diff --git a/_quarto.yml b/_quarto.yml new file mode 100755 index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 diff --git a/accelerate.qmd b/accelerate.qmd new file mode 100644 index 0000000000000000000000000000000000000000..b22e6cca1d4adc0c81387f07a7d9b1ce495c5ba5 --- /dev/null +++ b/accelerate.qmd @@ -0,0 +1,425 @@ +--- +title: "Hugging Face Accelerate: Making device-agnostic ML training and inference easy at scale" + +format: + revealjs: + theme: moon + fig-format: png + auto-play-media: true +--- + +## Who am I? + +- Zachary Mueller +- Technical Lead for the 🤗 Accelerate project +- Maintain the `transformers` Trainer +- API design geek + +## What is 🤗 Accelerate? + +* A training framework +* An inference framework +* A command-line interface + +## A Training Framework + +* Powered by PyTorch +* Change a few lines of code, gain device *and* hardware-agnostic capabilities +* Low-code, with minimal magic aimed at easy hackability and use without high-level abstractions +* We handle the intracies so you don't have to + +## A Training Framework + +::: {style="font-size: 70%;"} + +* Support for any hardware-accelerator on the market: + * CPU, GPU, TPU, XPU, NPU, MLU +* Automatic mixed-precision training *safely* in whatever fashion you may choose: + * FP16, BF16, FP8 (through either `TransformerEngine` or `MS-AMP`) +* Automatic and efficient gradient accumulation +* Support for quantization through `bitsandbytes` +* Support your favorite experiment trackers (`aim`, `clearml`, `comet_ml`, `dvc-lite`, `ml-flow`, `tensorboard`, `wandb`) +* Easy to configure plugin or YAML-level API for setting up advanced frameworks like `FSDP`, `DeepSpeed`, and `Megatron-LM` +::: + +## Low-Code + +::: {style="font-size: 70%;"} +* Biggest friction with "wrapper" libraries is control of your code +* By being minimally intrusive, your code just "works" while still giving you complete control +::: + +::: {style="font-size: 60%;padding-left:15%;padding-top:0%;padding-right:20%"} +```diff + import torch + import torch.nn.functional as F + from datasets import load_dataset ++ from accelerate import Accelerator + ++ accelerator = Accelerator() +- device = 'cpu' ++ device = accelerator.device + + model = torch.nn.Transformer().to(device) + optimizer = torch.optim.Adam(model.parameters()) + dataset = load_dataset('my_dataset') + data = torch.utils.data.DataLoader(dataset, shuffle=True) + ++ model, optimizer, dataloader = accelerator.prepare(model, optimizer, dataloader) + + model.train() + for epoch in range(10): + for source, targets in dataloader: + source, targets = source.to(device), targets.to(device) + optimizer.zero_grad() + output = model(source) + loss = F.cross_entropy(output, targets) +- loss.backward() ++ accelerator.backward(loss) + optimizer.step() +``` +::: + +## Easy to integrate + +::: {style="font-size: 70%;"} +* Due to the low-code nature, it's trivial to integrate into existing PyTorch frameworks: + 1. Create an `Accelerator` +::: + +::: {style="font-size: 60%;padding-left:15%;padding-top:0%;padding-right:20%"} +```diff + import torch + import torch.nn.functional as F + from datasets import load_dataset ++ from accelerate import Accelerator + ++ accelerator = Accelerator() + device = 'cpu' + + model = torch.nn.Transformer().to(device) + optimizer = torch.optim.Adam(model.parameters()) + dataset = load_dataset('my_dataset') + data = torch.utils.data.DataLoader(dataset, shuffle=True) + + model.train() + for epoch in range(10): + for source, targets in dataloader: + source, targets = source.to(device), targets.to(device) + optimizer.zero_grad() + output = model(source) + loss = F.cross_entropy(output, targets) + loss.backward() + optimizer.step() +``` +::: + +## Easy to integrate + +::: {style="font-size: 70%;"} +* Due to the low-code nature, it's trivial to integrate into existing PyTorch frameworks: + 2. Wrap your PyTorch objects with `accelerator.prepare` and remove device-placements +::: + +::: {style="font-size: 60%;padding-left:15%;padding-top:0%;padding-right:20%"} +```diff + import torch + import torch.nn.functional as F + from datasets import load_dataset + from accelerate import Accelerator + + accelerator = Accelerator() +- device = 'cpu' + + model = torch.nn.Transformer().to(device) + optimizer = torch.optim.Adam(model.parameters()) + dataset = load_dataset('my_dataset') + data = torch.utils.data.DataLoader(dataset, shuffle=True) + ++ model, optimizer, dataloader = accelerator.prepare(model, optimizer, dataloader) + + model.train() + for epoch in range(10): + for source, targets in dataloader: + source, targets = source.to(device), targets.to(device) + optimizer.zero_grad() + output = model(source) + loss = F.cross_entropy(output, targets) + loss.backward() + optimizer.step() +``` +::: + +## Easy to integrate + +::: {style="font-size: 70%;"} +* Due to the low-code nature, it's trivial to integrate into existing PyTorch frameworks: + 3. Use `accelerator.backward` for the backward pass +::: + +::: {style="font-size: 60%;padding-left:15%;padding-top:0%;padding-right:20%"} +```diff + import torch + import torch.nn.functional as F + from datasets import load_dataset + from accelerate import Accelerator + + accelerator = Accelerator() + + model = torch.nn.Transformer().to(device) + optimizer = torch.optim.Adam(model.parameters()) + dataset = load_dataset('my_dataset') + data = torch.utils.data.DataLoader(dataset, shuffle=True) + + model, optimizer, dataloader = accelerator.prepare(model, optimizer, dataloader) + + model.train() + for epoch in range(10): + for source, targets in dataloader: + source, targets = source.to(device), targets.to(device) + optimizer.zero_grad() + output = model(source) + loss = F.cross_entropy(output, targets) +- loss.backward() ++ accelerator.backward(loss) + optimizer.step() +``` +::: + + +## But what about inference? + +* 🤗 Accelerate is not just for training, and has helped make the GPU-Poor take control of the narrative +* Using tools like Big Model Inference, users with *tiny* compute can run large models locally +* Started with the boom of stable diffusion, and now has scaled to having the ability to run huge LLMs locally with a single graphics card + +## How does it work? + +* PyTorch introduced `device="meta"` +* 🤗 Accelerate introduced `device_map="auto"` + +::: {style="padding-left:15%;padding-right:20%"} +{{< video big_model_visualization.mp4 width="800" height="400" >}} +::: + +## A CLI Interface +* `accelerate config` + * Configure the environment +* `accelerate launch` + * How to run your script + +## Launching distributed training is hard + +::: {style="padding-top:0%;padding-left:10%;padding-right:15%;padding-bottom:0%"} +```bash +python script.py +``` +::: +::: {style="padding-left:50%;padding-bottom:0%;padding-top:0%;"} +vs. +::: +
+ +::: {style="padding-top:0%;padding-left:10%;padding-right:15%;padding-bottom:0%"} +```bash +torchrun --nnodes=1 --nproc_per_node=2 script.py +``` +::: +::: {style="padding-left:50%;padding-bottom:0%;padding-top:0%;"} +vs. +::: +
+ +::: {style="padding-top:0%;padding-left:10%;padding-right:15%;padding-bottom:0%"} +```bash +deepspeed --num_gpus=2 script.py +``` +
+::: +How can we make this better? + + +## `accelerate launch` + +::: {style="padding-top:0%;padding-left:5%;padding-right:10%;padding-bottom:0%"} +```bash +accelerate launch script.py +``` + +
+ +```bash +accelerate launch --multi_gpu --num_processes 2 script.py +``` + +
+ +```bash +accelerate launch \ + --multi_gpu \ + --use_deepspeed \ + --num_processes 2 \ + script.py +``` +::: + +## `accelerate config` +* Rely on `config.yaml` files +* Choose to either running `accelerate config` or write your own: + +:::: {.columns style="font-size: 60%;padding-left:5%;padding-right:5%"} +::: {.column width="40%"} +```{.yaml filename=ddp_config.yaml} +compute_environment: LOCAL_MACHINE +distributed_type: MULTI_GPU +main_training_function: main +mixed_precision: bf16 +num_machines: 1 +num_processes: 8 +``` +::: +::: {.column width="40%"} +```{.yaml filename=fsdp_config.yaml} +compute_environment: LOCAL_MACHINE +distributed_type: FSDP +fsdp_config: + fsdp_auto_wrap_policy: TRANSFORMER_BASED_WRAP + fsdp_backward_prefetch: BACKWARD_PRE + fsdp_cpu_ram_efficient_loading: true + fsdp_forward_prefetch: false + fsdp_offload_params: false + fsdp_sharding_strategy: FULL_SHARD + fsdp_state_dict_type: SHARDED_STATE_DICT + fsdp_sync_module_states: true + fsdp_use_orig_params: false +main_training_function: main +mixed_precision: bf16 +num_machines: 1 +num_processes: 8 +``` +::: +:::: + +# Now that you're up to speed, what's new? + +# We've had a busy last year, and so has the ML Community! + +## New training techniques +- Quantization has taken the field by storm +- New ideas such as FSDP + QLoRA to train huge models on tiny compute! +- New precision backends as we train natively on smaller precision +- Optimizing futher how much we can push on a single machine through efficient RAM and timing techniques + +## Larger compute landscape +- As we search for alternatives to NVIDIA, new compilers rise: + - XPU (Intel) + - NPU (Intel) + - MLU (Cambricon) + +All of which are supported by 🤗 Accelerate + + +## Lower abstractions +* While the `Accelerator` was great, needed better abstractions focused on controlling behaviors +* Introduced the `PartialState` + +::: {style="padding-left:10%;padding-top:0%;padding-right:15%"} +```python +from accelerate import PartialState + +if PartialState().is_main_process: + # Run on only 1 device + +with PartialState().main_process_first: + # Useful for dataset processing + +# Device-agnostic without the bulk of the `Accelerator` +device = PartialState().device +``` +::: + +## Faster and better inference alternatives +::: {style="font-size:70%"} +- `PiPPy` gives us efficient pipeline-parallelism in distributed environments to increase throughput while keeping a simple torch-bound API +- Rather than having to wait for each GPU, every GPU can be busy in parallel +::: +::: {style="font-size:60%;padding-left:19%;padding-top:0%;padding-right:24%;"} +```python +import torch +from transformers import AutoModelForSequenceClassification + +from accelerate import PartialState, prepare_pippy + +model = AutoModelForSequenceClassification.from_pretrained("gpt2") +model.eval() + +input = torch.randint( + low=0, + high=model.config.vocab_size, + size=(2, 1024), # bs x seq_len + device="cpu", +) + +model = prepare_pippy(model, split_points="auto", example_args=(input,)) + +with torch.no_grad(): + output = model(input) +``` +::: + + +# Adoption: Accelerate in the ecosystem + +## Accelerate in the Ecosystem +* Many of the frameworks you use daily already rely on 🤗 Accelerate! + * Nearly all of 🤗 + * `axolotl` + * `fastai` + * `FastChat` + * `lucidrains` + * `kornia` + + +## Accelerate in the Ecosystem +::: {style="font-size: 70%;"} +- Started as a way to isolate out distributed code on TPU and `DistributedDataParallelism` +::: + +::: {style="padding-left: 30%"} +![](sylvain_tweet.JPG){width="70%"} +::: + +## Accelerate in the Ecosystem +::: {style="font-size: 70%;"} +- Now is the backbone of some of the largest PyTorch training frameworks in the ecosystem +::: +::: {style="padding-left: 30%;"} +![](hf_trainer.JPG){width="70%"} +::: + +# What's next? + +# Elevating the community + +* Now that more advanced training techniques are reachable (FSDP, DeepSpeed, etc), we need to focus on educating the community on how to use it best +* Goes beyond how to use the `Trainer` or `Accelerator`, but how to use *what* where +* Keep Accelerate as a tool for the community to utilize when new techniques come out and play with, to push new ideas to scale quickly + +# 1.0.0: Soon! + +* Tried and battle-tested by over 7M users/month +* As we've been stable for over a year now, we're near ready to release 1.0.0 + +# Thanks for joining! + +::: {style="font-size: 70%;"} + +- [🤗 Accelerate documentation](https://hf.co/docs/accelerate) +- [Launching distributed code](https://huggingface.co./docs/accelerate/basic_tutorials/launch) +- [Distributed code and Jupyter Notebooks](https://huggingface.co./docs/accelerate/basic_tutorials/notebook) +- [Migrating to 🤗 Accelerate easily](https://huggingface.co./docs/accelerate/basic_tutorials/migration) +- [Big Model Inference tutorial](https://huggingface.co./docs/accelerate/usage_guides/big_modeling) +- [DeepSpeed and 🤗 Accelerate](https://huggingface.co./docs/accelerate/usage_guides/deepspeed) +- [Fully Sharded Data Parallelism and 🤗 Accelerate](https://huggingface.co./docs/accelerate/usage_guides/fsdp) +- [FSDP vs DeepSpeed In-Depth](https://huggingface.co./docs/accelerate/concept_guides/fsdp_and_deepspeed) +::: \ No newline at end of file diff --git a/accelerate_files/libs/clipboard/clipboard.min.js b/accelerate_files/libs/clipboard/clipboard.min.js new file mode 100644 index 0000000000000000000000000000000000000000..1103f811ed80f17985ecf61e0d50e3359484244f --- /dev/null +++ b/accelerate_files/libs/clipboard/clipboard.min.js @@ -0,0 +1,7 @@ +/*! + * clipboard.js v2.0.11 + * https://clipboardjs.com/ + * + * Licensed MIT © Zeno Rocha + */ +!function(t,e){"object"==typeof exports&&"object"==typeof 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url(data:application/font-woff;charset=utf-8;base64,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format("woff"); + font-weight: normal; + font-style: normal; +} +.vjs-icon-play, .video-js .vjs-play-control .vjs-icon-placeholder, .video-js .vjs-big-play-button .vjs-icon-placeholder:before { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-play:before, .video-js .vjs-play-control .vjs-icon-placeholder:before, .video-js .vjs-big-play-button .vjs-icon-placeholder:before { + content: "\f101"; +} + +.vjs-icon-play-circle { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-play-circle:before { + content: "\f102"; +} + +.vjs-icon-pause, .video-js .vjs-play-control.vjs-playing .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-pause:before, .video-js .vjs-play-control.vjs-playing .vjs-icon-placeholder:before { + content: "\f103"; +} + +.vjs-icon-volume-mute, .video-js .vjs-mute-control.vjs-vol-0 .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-volume-mute:before, .video-js .vjs-mute-control.vjs-vol-0 .vjs-icon-placeholder:before { + content: "\f104"; +} + +.vjs-icon-volume-low, .video-js .vjs-mute-control.vjs-vol-1 .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-volume-low:before, .video-js .vjs-mute-control.vjs-vol-1 .vjs-icon-placeholder:before { + content: "\f105"; +} + +.vjs-icon-volume-mid, .video-js .vjs-mute-control.vjs-vol-2 .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-volume-mid:before, .video-js .vjs-mute-control.vjs-vol-2 .vjs-icon-placeholder:before { + content: "\f106"; +} + +.vjs-icon-volume-high, .video-js .vjs-mute-control .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-volume-high:before, .video-js .vjs-mute-control .vjs-icon-placeholder:before { + content: "\f107"; +} + +.vjs-icon-fullscreen-enter, .video-js .vjs-fullscreen-control .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-fullscreen-enter:before, .video-js .vjs-fullscreen-control .vjs-icon-placeholder:before { + content: "\f108"; +} + +.vjs-icon-fullscreen-exit, .video-js.vjs-fullscreen .vjs-fullscreen-control .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-fullscreen-exit:before, .video-js.vjs-fullscreen .vjs-fullscreen-control .vjs-icon-placeholder:before { + content: "\f109"; +} + +.vjs-icon-square { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-square:before { + content: "\f10a"; +} + +.vjs-icon-spinner { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-spinner:before { + content: "\f10b"; +} + +.vjs-icon-subtitles, .video-js .vjs-subs-caps-button .vjs-icon-placeholder, +.video-js.video-js:lang(en-GB) .vjs-subs-caps-button .vjs-icon-placeholder, +.video-js.video-js:lang(en-IE) .vjs-subs-caps-button .vjs-icon-placeholder, +.video-js.video-js:lang(en-AU) .vjs-subs-caps-button .vjs-icon-placeholder, +.video-js.video-js:lang(en-NZ) .vjs-subs-caps-button .vjs-icon-placeholder, .video-js .vjs-subtitles-button .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-subtitles:before, .video-js .vjs-subs-caps-button .vjs-icon-placeholder:before, +.video-js.video-js:lang(en-GB) .vjs-subs-caps-button .vjs-icon-placeholder:before, +.video-js.video-js:lang(en-IE) .vjs-subs-caps-button .vjs-icon-placeholder:before, +.video-js.video-js:lang(en-AU) .vjs-subs-caps-button .vjs-icon-placeholder:before, +.video-js.video-js:lang(en-NZ) .vjs-subs-caps-button .vjs-icon-placeholder:before, .video-js .vjs-subtitles-button .vjs-icon-placeholder:before { + content: "\f10c"; +} + +.vjs-icon-captions, .video-js:lang(en) .vjs-subs-caps-button .vjs-icon-placeholder, +.video-js:lang(fr-CA) .vjs-subs-caps-button .vjs-icon-placeholder, .video-js .vjs-captions-button .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-captions:before, .video-js:lang(en) .vjs-subs-caps-button .vjs-icon-placeholder:before, +.video-js:lang(fr-CA) .vjs-subs-caps-button .vjs-icon-placeholder:before, .video-js .vjs-captions-button .vjs-icon-placeholder:before { + content: "\f10d"; +} + +.vjs-icon-chapters, .video-js .vjs-chapters-button .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-chapters:before, .video-js .vjs-chapters-button .vjs-icon-placeholder:before { + content: "\f10e"; +} + +.vjs-icon-share { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-share:before { + content: "\f10f"; +} + +.vjs-icon-cog { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-cog:before { + content: "\f110"; +} + +.vjs-icon-circle, .vjs-seek-to-live-control .vjs-icon-placeholder, .video-js .vjs-volume-level, .video-js .vjs-play-progress { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-circle:before, .vjs-seek-to-live-control .vjs-icon-placeholder:before, .video-js .vjs-volume-level:before, .video-js .vjs-play-progress:before { + content: "\f111"; +} + +.vjs-icon-circle-outline { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-circle-outline:before { + content: "\f112"; +} + +.vjs-icon-circle-inner-circle { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-circle-inner-circle:before { + content: "\f113"; +} + +.vjs-icon-hd { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-hd:before { + content: "\f114"; +} + +.vjs-icon-cancel, .video-js .vjs-control.vjs-close-button .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-cancel:before, .video-js .vjs-control.vjs-close-button .vjs-icon-placeholder:before { + content: "\f115"; +} + +.vjs-icon-replay, .video-js .vjs-play-control.vjs-ended .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-replay:before, .video-js .vjs-play-control.vjs-ended .vjs-icon-placeholder:before { + content: "\f116"; +} + +.vjs-icon-facebook { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-facebook:before { + content: "\f117"; +} + +.vjs-icon-gplus { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-gplus:before { + content: "\f118"; +} + +.vjs-icon-linkedin { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-linkedin:before { + content: "\f119"; +} + +.vjs-icon-twitter { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-twitter:before { + content: "\f11a"; +} + +.vjs-icon-tumblr { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-tumblr:before { + content: "\f11b"; +} + +.vjs-icon-pinterest { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-pinterest:before { + content: "\f11c"; +} + +.vjs-icon-audio-description, .video-js .vjs-descriptions-button .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-audio-description:before, .video-js .vjs-descriptions-button .vjs-icon-placeholder:before { + content: "\f11d"; +} + +.vjs-icon-audio, .video-js .vjs-audio-button .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-audio:before, .video-js .vjs-audio-button .vjs-icon-placeholder:before { + content: "\f11e"; +} + +.vjs-icon-next-item { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-next-item:before { + content: "\f11f"; +} + +.vjs-icon-previous-item { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-previous-item:before { + content: "\f120"; +} + +.vjs-icon-picture-in-picture-enter, .video-js .vjs-picture-in-picture-control .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-picture-in-picture-enter:before, .video-js .vjs-picture-in-picture-control .vjs-icon-placeholder:before { + content: "\f121"; +} + +.vjs-icon-picture-in-picture-exit, .video-js.vjs-picture-in-picture .vjs-picture-in-picture-control .vjs-icon-placeholder { + font-family: VideoJS; + font-weight: normal; + font-style: normal; +} +.vjs-icon-picture-in-picture-exit:before, .video-js.vjs-picture-in-picture .vjs-picture-in-picture-control .vjs-icon-placeholder:before { + content: "\f122"; +} + +.video-js { + display: block; + vertical-align: top; + box-sizing: border-box; + color: #fff; + background-color: #000; + position: relative; + padding: 0; + font-size: 10px; + line-height: 1; + font-weight: normal; + font-style: normal; + font-family: Arial, Helvetica, sans-serif; + word-break: initial; +} +.video-js:-moz-full-screen { + position: absolute; +} +.video-js:-webkit-full-screen { + width: 100% !important; + height: 100% !important; +} + +.video-js[tabindex="-1"] { + outline: none; +} + +.video-js *, +.video-js *:before, +.video-js *:after { + box-sizing: inherit; +} + +.video-js ul { + font-family: inherit; + font-size: inherit; + line-height: inherit; + list-style-position: outside; + margin-left: 0; + margin-right: 0; + margin-top: 0; + margin-bottom: 0; +} + +.video-js.vjs-fluid, +.video-js.vjs-16-9, +.video-js.vjs-4-3, +.video-js.vjs-9-16, +.video-js.vjs-1-1 { + width: 100%; + max-width: 100%; +} + +.video-js.vjs-fluid:not(.vjs-audio-only-mode), +.video-js.vjs-16-9:not(.vjs-audio-only-mode), +.video-js.vjs-4-3:not(.vjs-audio-only-mode), +.video-js.vjs-9-16:not(.vjs-audio-only-mode), +.video-js.vjs-1-1:not(.vjs-audio-only-mode) { + height: 0; +} + +.video-js.vjs-16-9:not(.vjs-audio-only-mode) { + padding-top: 56.25%; +} + +.video-js.vjs-4-3:not(.vjs-audio-only-mode) { + padding-top: 75%; +} + +.video-js.vjs-9-16:not(.vjs-audio-only-mode) { + padding-top: 177.7777777778%; +} + +.video-js.vjs-1-1:not(.vjs-audio-only-mode) { + padding-top: 100%; +} + +.video-js.vjs-fill:not(.vjs-audio-only-mode) { + width: 100%; + height: 100%; +} + +.video-js .vjs-tech { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; +} + +.video-js.vjs-audio-only-mode .vjs-tech { + display: none; +} + +body.vjs-full-window { + padding: 0; + margin: 0; + height: 100%; +} + +.vjs-full-window .video-js.vjs-fullscreen { + position: fixed; + overflow: hidden; + z-index: 1000; + left: 0; + top: 0; + bottom: 0; + right: 0; +} + +.video-js.vjs-fullscreen:not(.vjs-ios-native-fs) { + width: 100% !important; + height: 100% !important; + padding-top: 0 !important; +} + +.video-js.vjs-fullscreen.vjs-user-inactive { + cursor: none; +} + +.vjs-hidden { + display: none !important; +} + +.vjs-disabled { + opacity: 0.5; + cursor: default; +} + +.video-js .vjs-offscreen { + height: 1px; + left: -9999px; + position: absolute; + top: 0; + width: 1px; +} + +.vjs-lock-showing { + display: block !important; + opacity: 1 !important; + visibility: visible !important; +} + +.vjs-no-js { + padding: 20px; + color: #fff; + background-color: #000; + font-size: 18px; + font-family: Arial, Helvetica, sans-serif; + text-align: center; + width: 300px; + height: 150px; + margin: 0px auto; +} + +.vjs-no-js a, +.vjs-no-js a:visited { + color: #66A8CC; +} + +.video-js .vjs-big-play-button { + font-size: 3em; + line-height: 1.5em; + height: 1.63332em; + width: 3em; + display: block; + position: absolute; + top: 10px; + left: 10px; + padding: 0; + cursor: pointer; + opacity: 1; + border: 0.06666em solid #fff; + background-color: #2B333F; + background-color: rgba(43, 51, 63, 0.7); + border-radius: 0.3em; + transition: all 0.4s; +} +.vjs-big-play-centered .vjs-big-play-button { + top: 50%; + left: 50%; + margin-top: -0.81666em; + margin-left: -1.5em; +} + +.video-js:hover .vjs-big-play-button, +.video-js .vjs-big-play-button:focus { + border-color: #fff; + background-color: #73859f; + background-color: rgba(115, 133, 159, 0.5); + transition: all 0s; +} + +.vjs-controls-disabled .vjs-big-play-button, +.vjs-has-started .vjs-big-play-button, +.vjs-using-native-controls .vjs-big-play-button, +.vjs-error .vjs-big-play-button { + display: none; +} + +.vjs-has-started.vjs-paused.vjs-show-big-play-button-on-pause .vjs-big-play-button { + display: block; +} + +.video-js button { + background: none; + border: none; + color: inherit; + display: inline-block; + font-size: inherit; + line-height: inherit; + text-transform: none; + text-decoration: none; + transition: none; + -webkit-appearance: none; + -moz-appearance: none; + appearance: none; +} + +.vjs-control .vjs-button { + width: 100%; + height: 100%; +} + +.video-js .vjs-control.vjs-close-button { + cursor: pointer; + height: 3em; + position: absolute; + right: 0; + top: 0.5em; + z-index: 2; +} +.video-js .vjs-modal-dialog { + background: rgba(0, 0, 0, 0.8); + background: linear-gradient(180deg, rgba(0, 0, 0, 0.8), rgba(255, 255, 255, 0)); + overflow: auto; +} + +.video-js .vjs-modal-dialog > * { + box-sizing: border-box; +} + +.vjs-modal-dialog .vjs-modal-dialog-content { + font-size: 1.2em; + line-height: 1.5; + padding: 20px 24px; + z-index: 1; +} + +.vjs-menu-button { + cursor: pointer; +} + +.vjs-menu-button.vjs-disabled { + cursor: default; +} + +.vjs-workinghover .vjs-menu-button.vjs-disabled:hover .vjs-menu { + display: none; +} + +.vjs-menu .vjs-menu-content { + display: block; + padding: 0; + margin: 0; + font-family: Arial, Helvetica, sans-serif; + overflow: auto; +} + +.vjs-menu .vjs-menu-content > * { + box-sizing: border-box; +} + +.vjs-scrubbing .vjs-control.vjs-menu-button:hover .vjs-menu { + display: none; +} + +.vjs-menu li { + list-style: none; + margin: 0; + padding: 0.2em 0; + line-height: 1.4em; + font-size: 1.2em; + text-align: center; + text-transform: lowercase; +} + +.vjs-menu li.vjs-menu-item:focus, +.vjs-menu li.vjs-menu-item:hover, +.js-focus-visible .vjs-menu li.vjs-menu-item:hover { + background-color: #73859f; + background-color: rgba(115, 133, 159, 0.5); +} + +.vjs-menu li.vjs-selected, +.vjs-menu li.vjs-selected:focus, +.vjs-menu li.vjs-selected:hover, +.js-focus-visible .vjs-menu li.vjs-selected:hover { + background-color: #fff; + color: #2B333F; +} + +.video-js .vjs-menu *:not(.vjs-selected):focus:not(:focus-visible), +.js-focus-visible .vjs-menu *:not(.vjs-selected):focus:not(.focus-visible) { + background: none; +} + +.vjs-menu li.vjs-menu-title { + text-align: center; + text-transform: uppercase; + font-size: 1em; + line-height: 2em; + padding: 0; + margin: 0 0 0.3em 0; + font-weight: bold; + cursor: default; +} + +.vjs-menu-button-popup .vjs-menu { + display: none; + position: absolute; + bottom: 0; + width: 10em; + left: -3em; + height: 0em; + margin-bottom: 1.5em; + border-top-color: rgba(43, 51, 63, 0.7); +} + +.vjs-menu-button-popup .vjs-menu .vjs-menu-content { + background-color: #2B333F; + background-color: rgba(43, 51, 63, 0.7); + position: absolute; + width: 100%; + bottom: 1.5em; + max-height: 15em; +} + +.vjs-layout-tiny .vjs-menu-button-popup .vjs-menu .vjs-menu-content, +.vjs-layout-x-small .vjs-menu-button-popup .vjs-menu .vjs-menu-content { + max-height: 5em; +} + +.vjs-layout-small .vjs-menu-button-popup .vjs-menu .vjs-menu-content { + max-height: 10em; +} + +.vjs-layout-medium .vjs-menu-button-popup .vjs-menu .vjs-menu-content { + max-height: 14em; +} + +.vjs-layout-large .vjs-menu-button-popup .vjs-menu .vjs-menu-content, +.vjs-layout-x-large .vjs-menu-button-popup .vjs-menu .vjs-menu-content, +.vjs-layout-huge .vjs-menu-button-popup .vjs-menu .vjs-menu-content { + max-height: 25em; +} + +.vjs-workinghover .vjs-menu-button-popup.vjs-hover .vjs-menu, +.vjs-menu-button-popup .vjs-menu.vjs-lock-showing { + display: block; +} + +.video-js .vjs-menu-button-inline { + transition: all 0.4s; + overflow: hidden; +} + +.video-js .vjs-menu-button-inline:before { + width: 2.222222222em; +} + +.video-js .vjs-menu-button-inline:hover, +.video-js .vjs-menu-button-inline:focus, +.video-js .vjs-menu-button-inline.vjs-slider-active, +.video-js.vjs-no-flex .vjs-menu-button-inline { + width: 12em; +} + +.vjs-menu-button-inline .vjs-menu { + opacity: 0; + height: 100%; + width: auto; + position: absolute; + left: 4em; + top: 0; + padding: 0; + margin: 0; + transition: all 0.4s; +} + +.vjs-menu-button-inline:hover .vjs-menu, +.vjs-menu-button-inline:focus .vjs-menu, +.vjs-menu-button-inline.vjs-slider-active .vjs-menu { + display: block; + opacity: 1; +} + +.vjs-no-flex .vjs-menu-button-inline .vjs-menu { + display: block; + opacity: 1; + position: relative; + width: auto; +} + +.vjs-no-flex .vjs-menu-button-inline:hover .vjs-menu, +.vjs-no-flex .vjs-menu-button-inline:focus .vjs-menu, +.vjs-no-flex .vjs-menu-button-inline.vjs-slider-active .vjs-menu { + width: auto; +} + +.vjs-menu-button-inline .vjs-menu-content { + width: auto; + height: 100%; + margin: 0; + overflow: hidden; +} + +.video-js .vjs-control-bar { + display: none; + width: 100%; + position: absolute; + bottom: 0; + left: 0; + right: 0; + height: 3em; + background-color: #2B333F; + background-color: rgba(43, 51, 63, 0.7); +} + +.vjs-has-started .vjs-control-bar, +.vjs-audio-only-mode .vjs-control-bar { + display: flex; + visibility: visible; + opacity: 1; + transition: visibility 0.1s, opacity 0.1s; +} + +.vjs-has-started.vjs-user-inactive.vjs-playing .vjs-control-bar { + visibility: visible; + opacity: 0; + pointer-events: none; + transition: visibility 1s, opacity 1s; +} + +.vjs-controls-disabled .vjs-control-bar, +.vjs-using-native-controls .vjs-control-bar, +.vjs-error .vjs-control-bar { + display: none !important; +} + +.vjs-audio.vjs-has-started.vjs-user-inactive.vjs-playing .vjs-control-bar, +.vjs-audio-only-mode.vjs-has-started.vjs-user-inactive.vjs-playing .vjs-control-bar { + opacity: 1; + visibility: visible; + pointer-events: auto; +} + +.vjs-has-started.vjs-no-flex .vjs-control-bar { + display: table; +} + +.video-js .vjs-control { + position: relative; + text-align: center; + margin: 0; + padding: 0; + height: 100%; + width: 4em; + flex: none; +} + +.video-js .vjs-control.vjs-visible-text { + width: auto; + padding-left: 1em; + padding-right: 1em; +} + +.vjs-button > .vjs-icon-placeholder:before { + font-size: 1.8em; + line-height: 1.67; +} + +.vjs-button > .vjs-icon-placeholder { + display: block; +} + +.video-js .vjs-control:focus:before, +.video-js .vjs-control:hover:before, +.video-js .vjs-control:focus { + text-shadow: 0em 0em 1em white; +} + +.video-js *:not(.vjs-visible-text) > .vjs-control-text { + border: 0; + clip: rect(0 0 0 0); + height: 1px; + overflow: hidden; + padding: 0; + position: absolute; + width: 1px; +} + +.vjs-no-flex .vjs-control { + display: table-cell; + vertical-align: middle; +} + +.video-js .vjs-custom-control-spacer { + display: none; +} + +.video-js .vjs-progress-control { + cursor: pointer; + flex: auto; + display: flex; + align-items: center; + min-width: 4em; + touch-action: none; +} + +.video-js .vjs-progress-control.disabled { + cursor: default; +} + +.vjs-live .vjs-progress-control { + display: none; +} + +.vjs-liveui .vjs-progress-control { + display: flex; + align-items: center; +} + +.vjs-no-flex .vjs-progress-control { + width: auto; +} + +.video-js .vjs-progress-holder { + flex: auto; + transition: all 0.2s; + height: 0.3em; +} + +.video-js .vjs-progress-control .vjs-progress-holder { + margin: 0 10px; +} + +.video-js .vjs-progress-control:hover .vjs-progress-holder { + font-size: 1.6666666667em; +} + +.video-js .vjs-progress-control:hover .vjs-progress-holder.disabled { + font-size: 1em; +} + +.video-js .vjs-progress-holder .vjs-play-progress, +.video-js .vjs-progress-holder .vjs-load-progress, +.video-js .vjs-progress-holder .vjs-load-progress div { + position: absolute; + display: block; + height: 100%; + margin: 0; + padding: 0; + width: 0; +} + +.video-js .vjs-play-progress { + background-color: #fff; +} +.video-js .vjs-play-progress:before { + font-size: 0.9em; + position: absolute; + right: -0.5em; + top: -0.3333333333em; + z-index: 1; +} + +.video-js .vjs-load-progress { + background: rgba(115, 133, 159, 0.5); +} + +.video-js .vjs-load-progress div { + background: rgba(115, 133, 159, 0.75); +} + +.video-js .vjs-time-tooltip { + background-color: #fff; + background-color: rgba(255, 255, 255, 0.8); + border-radius: 0.3em; + color: #000; + float: right; + font-family: Arial, Helvetica, sans-serif; + font-size: 1em; + padding: 6px 8px 8px 8px; + pointer-events: none; + position: absolute; + top: -3.4em; + visibility: hidden; + z-index: 1; +} + +.video-js .vjs-progress-holder:focus .vjs-time-tooltip { + display: none; +} + +.video-js .vjs-progress-control:hover .vjs-time-tooltip, +.video-js .vjs-progress-control:hover .vjs-progress-holder:focus .vjs-time-tooltip { + display: block; + font-size: 0.6em; + visibility: visible; +} + +.video-js .vjs-progress-control.disabled:hover .vjs-time-tooltip { + font-size: 1em; +} + +.video-js .vjs-progress-control .vjs-mouse-display { + display: none; + position: absolute; + width: 1px; + height: 100%; + background-color: #000; + z-index: 1; +} + +.vjs-no-flex .vjs-progress-control .vjs-mouse-display { + z-index: 0; +} + +.video-js .vjs-progress-control:hover .vjs-mouse-display { + display: block; +} + +.video-js.vjs-user-inactive .vjs-progress-control .vjs-mouse-display { + visibility: hidden; + opacity: 0; + transition: visibility 1s, opacity 1s; +} + +.video-js.vjs-user-inactive.vjs-no-flex .vjs-progress-control .vjs-mouse-display { + display: none; +} + +.vjs-mouse-display .vjs-time-tooltip { + color: #fff; + background-color: #000; + background-color: rgba(0, 0, 0, 0.8); +} + +.video-js .vjs-slider { + position: relative; + cursor: pointer; + padding: 0; + margin: 0 0.45em 0 0.45em; + /* iOS Safari */ + -webkit-touch-callout: none; + /* Safari */ + -webkit-user-select: none; + /* Konqueror HTML */ + /* Firefox */ + -moz-user-select: none; + /* Internet Explorer/Edge */ + -ms-user-select: none; + /* Non-prefixed version, currently supported by Chrome and Opera */ + user-select: none; + background-color: #73859f; + background-color: rgba(115, 133, 159, 0.5); +} + +.video-js .vjs-slider.disabled { + cursor: default; +} + +.video-js .vjs-slider:focus { + text-shadow: 0em 0em 1em white; + box-shadow: 0 0 1em #fff; +} + +.video-js .vjs-mute-control { + cursor: pointer; + flex: none; +} +.video-js .vjs-volume-control { + cursor: pointer; + margin-right: 1em; + display: flex; +} + +.video-js .vjs-volume-control.vjs-volume-horizontal { + width: 5em; +} + +.video-js .vjs-volume-panel .vjs-volume-control { + visibility: visible; + opacity: 0; + width: 1px; + height: 1px; + margin-left: -1px; +} + +.video-js .vjs-volume-panel { + transition: width 1s; +} +.video-js .vjs-volume-panel.vjs-hover .vjs-volume-control, .video-js .vjs-volume-panel:active .vjs-volume-control, .video-js .vjs-volume-panel:focus .vjs-volume-control, .video-js .vjs-volume-panel .vjs-volume-control:active, .video-js .vjs-volume-panel.vjs-hover .vjs-mute-control ~ .vjs-volume-control, .video-js .vjs-volume-panel .vjs-volume-control.vjs-slider-active { + visibility: visible; + opacity: 1; + position: relative; + transition: visibility 0.1s, opacity 0.1s, height 0.1s, width 0.1s, left 0s, top 0s; +} +.video-js .vjs-volume-panel.vjs-hover .vjs-volume-control.vjs-volume-horizontal, .video-js .vjs-volume-panel:active .vjs-volume-control.vjs-volume-horizontal, .video-js .vjs-volume-panel:focus .vjs-volume-control.vjs-volume-horizontal, .video-js .vjs-volume-panel .vjs-volume-control:active.vjs-volume-horizontal, .video-js .vjs-volume-panel.vjs-hover .vjs-mute-control ~ .vjs-volume-control.vjs-volume-horizontal, .video-js .vjs-volume-panel .vjs-volume-control.vjs-slider-active.vjs-volume-horizontal { + width: 5em; + height: 3em; + margin-right: 0; +} +.video-js .vjs-volume-panel.vjs-hover .vjs-volume-control.vjs-volume-vertical, .video-js .vjs-volume-panel:active .vjs-volume-control.vjs-volume-vertical, .video-js .vjs-volume-panel:focus .vjs-volume-control.vjs-volume-vertical, .video-js .vjs-volume-panel .vjs-volume-control:active.vjs-volume-vertical, .video-js .vjs-volume-panel.vjs-hover .vjs-mute-control ~ .vjs-volume-control.vjs-volume-vertical, .video-js .vjs-volume-panel .vjs-volume-control.vjs-slider-active.vjs-volume-vertical { + left: -3.5em; + transition: left 0s; +} +.video-js .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-hover, .video-js .vjs-volume-panel.vjs-volume-panel-horizontal:active, .video-js .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-slider-active { + width: 10em; + transition: width 0.1s; +} +.video-js .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-mute-toggle-only { + width: 4em; +} + +.video-js .vjs-volume-panel .vjs-volume-control.vjs-volume-vertical { + height: 8em; + width: 3em; + left: -3000em; + transition: visibility 1s, opacity 1s, height 1s 1s, width 1s 1s, left 1s 1s, top 1s 1s; +} + +.video-js .vjs-volume-panel .vjs-volume-control.vjs-volume-horizontal { + transition: visibility 1s, opacity 1s, height 1s 1s, width 1s, left 1s 1s, top 1s 1s; +} + +.video-js.vjs-no-flex .vjs-volume-panel .vjs-volume-control.vjs-volume-horizontal { + width: 5em; + height: 3em; + visibility: visible; + opacity: 1; + position: relative; + transition: none; +} + +.video-js.vjs-no-flex .vjs-volume-control.vjs-volume-vertical, +.video-js.vjs-no-flex .vjs-volume-panel .vjs-volume-control.vjs-volume-vertical { + position: absolute; + bottom: 3em; + left: 0.5em; +} + +.video-js .vjs-volume-panel { + display: flex; +} + +.video-js .vjs-volume-bar { + margin: 1.35em 0.45em; +} + +.vjs-volume-bar.vjs-slider-horizontal { + width: 5em; + height: 0.3em; +} + +.vjs-volume-bar.vjs-slider-vertical { + width: 0.3em; + height: 5em; + margin: 1.35em auto; +} + +.video-js .vjs-volume-level { + position: absolute; + bottom: 0; + left: 0; + background-color: #fff; +} +.video-js .vjs-volume-level:before { + position: absolute; + font-size: 0.9em; + z-index: 1; +} + +.vjs-slider-vertical .vjs-volume-level { + width: 0.3em; +} +.vjs-slider-vertical .vjs-volume-level:before { + top: -0.5em; + left: -0.3em; + z-index: 1; +} + +.vjs-slider-horizontal .vjs-volume-level { + height: 0.3em; +} +.vjs-slider-horizontal .vjs-volume-level:before { + top: -0.3em; + right: -0.5em; +} + +.video-js .vjs-volume-panel.vjs-volume-panel-vertical { + width: 4em; +} + +.vjs-volume-bar.vjs-slider-vertical .vjs-volume-level { + height: 100%; +} + +.vjs-volume-bar.vjs-slider-horizontal .vjs-volume-level { + width: 100%; +} + +.video-js .vjs-volume-vertical { + width: 3em; + height: 8em; + bottom: 8em; + background-color: #2B333F; + background-color: rgba(43, 51, 63, 0.7); +} + +.video-js .vjs-volume-horizontal .vjs-menu { + left: -2em; +} + +.video-js .vjs-volume-tooltip { + background-color: #fff; + background-color: rgba(255, 255, 255, 0.8); + border-radius: 0.3em; + color: #000; + float: right; + font-family: Arial, Helvetica, sans-serif; + font-size: 1em; + padding: 6px 8px 8px 8px; + pointer-events: none; + position: absolute; + top: -3.4em; + visibility: hidden; + z-index: 1; +} + +.video-js .vjs-volume-control:hover .vjs-volume-tooltip, +.video-js .vjs-volume-control:hover .vjs-progress-holder:focus .vjs-volume-tooltip { + display: block; + font-size: 1em; + visibility: visible; +} + +.video-js .vjs-volume-vertical:hover .vjs-volume-tooltip, +.video-js .vjs-volume-vertical:hover .vjs-progress-holder:focus .vjs-volume-tooltip { + left: 1em; + top: -12px; +} + +.video-js .vjs-volume-control.disabled:hover .vjs-volume-tooltip { + font-size: 1em; +} + +.video-js .vjs-volume-control .vjs-mouse-display { + display: none; + position: absolute; + width: 100%; + height: 1px; + background-color: #000; + z-index: 1; +} + +.video-js .vjs-volume-horizontal .vjs-mouse-display { + width: 1px; + height: 100%; +} + +.vjs-no-flex .vjs-volume-control .vjs-mouse-display { + z-index: 0; +} + +.video-js .vjs-volume-control:hover .vjs-mouse-display { + display: block; +} + +.video-js.vjs-user-inactive .vjs-volume-control .vjs-mouse-display { + visibility: hidden; + opacity: 0; + transition: visibility 1s, opacity 1s; +} + +.video-js.vjs-user-inactive.vjs-no-flex .vjs-volume-control .vjs-mouse-display { + display: none; +} + +.vjs-mouse-display .vjs-volume-tooltip { + color: #fff; + background-color: #000; + background-color: rgba(0, 0, 0, 0.8); +} + +.vjs-poster { + display: inline-block; + vertical-align: middle; + background-repeat: no-repeat; + background-position: 50% 50%; + background-size: contain; + background-color: #000000; + cursor: pointer; + margin: 0; + padding: 0; + position: absolute; + top: 0; + right: 0; + bottom: 0; + left: 0; + height: 100%; +} + +.vjs-has-started .vjs-poster, +.vjs-using-native-controls .vjs-poster { + display: none; +} + +.vjs-audio.vjs-has-started .vjs-poster, +.vjs-has-started.vjs-audio-poster-mode .vjs-poster { + display: block; +} + +.video-js .vjs-live-control { + display: flex; + align-items: flex-start; + flex: auto; + font-size: 1em; + line-height: 3em; +} + +.vjs-no-flex .vjs-live-control { + display: table-cell; + width: auto; + text-align: left; +} + +.video-js:not(.vjs-live) .vjs-live-control, +.video-js.vjs-liveui .vjs-live-control { + display: none; +} + +.video-js .vjs-seek-to-live-control { + align-items: center; + cursor: pointer; + flex: none; + display: inline-flex; + height: 100%; + padding-left: 0.5em; + padding-right: 0.5em; + font-size: 1em; + line-height: 3em; + width: auto; + min-width: 4em; +} + +.vjs-no-flex .vjs-seek-to-live-control { + display: table-cell; + width: auto; + text-align: left; +} + +.video-js.vjs-live:not(.vjs-liveui) .vjs-seek-to-live-control, +.video-js:not(.vjs-live) .vjs-seek-to-live-control { + display: none; +} + +.vjs-seek-to-live-control.vjs-control.vjs-at-live-edge { + cursor: auto; +} + +.vjs-seek-to-live-control .vjs-icon-placeholder { + margin-right: 0.5em; + color: #888; +} + +.vjs-seek-to-live-control.vjs-control.vjs-at-live-edge .vjs-icon-placeholder { + color: red; +} + +.video-js .vjs-time-control { + flex: none; + font-size: 1em; + line-height: 3em; + min-width: 2em; + width: auto; + padding-left: 1em; + padding-right: 1em; +} + +.vjs-live .vjs-time-control { + display: none; +} + +.video-js .vjs-current-time, +.vjs-no-flex .vjs-current-time { + display: none; +} + +.video-js .vjs-duration, +.vjs-no-flex .vjs-duration { + display: none; +} + +.vjs-time-divider { + display: none; + line-height: 3em; +} + +.vjs-live .vjs-time-divider { + display: none; +} + +.video-js .vjs-play-control { + cursor: pointer; +} + +.video-js .vjs-play-control .vjs-icon-placeholder { + flex: none; +} + +.vjs-text-track-display { + position: absolute; + bottom: 3em; + left: 0; + right: 0; + top: 0; + pointer-events: none; +} + +.video-js.vjs-controls-disabled .vjs-text-track-display, +.video-js.vjs-user-inactive.vjs-playing .vjs-text-track-display { + bottom: 1em; +} + +.video-js .vjs-text-track { + font-size: 1.4em; + text-align: center; + margin-bottom: 0.1em; +} + +.vjs-subtitles { + color: #fff; +} + +.vjs-captions { + color: #fc6; +} + +.vjs-tt-cue { + display: block; +} + +video::-webkit-media-text-track-display { + transform: translateY(-3em); +} + +.video-js.vjs-controls-disabled video::-webkit-media-text-track-display, +.video-js.vjs-user-inactive.vjs-playing video::-webkit-media-text-track-display { + transform: translateY(-1.5em); +} + +.video-js .vjs-picture-in-picture-control { + cursor: pointer; + flex: none; +} +.video-js.vjs-audio-only-mode .vjs-picture-in-picture-control { + display: none; +} + +.video-js .vjs-fullscreen-control { + cursor: pointer; + flex: none; +} +.video-js.vjs-audio-only-mode .vjs-fullscreen-control { + display: none; +} + +.vjs-playback-rate > .vjs-menu-button, +.vjs-playback-rate .vjs-playback-rate-value { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; +} + +.vjs-playback-rate .vjs-playback-rate-value { + pointer-events: none; + font-size: 1.5em; + line-height: 2; + text-align: center; +} + +.vjs-playback-rate .vjs-menu { + width: 4em; + left: 0em; +} + +.vjs-error .vjs-error-display .vjs-modal-dialog-content { + font-size: 1.4em; + text-align: center; +} + +.vjs-error .vjs-error-display:before { + color: #fff; + content: "X"; + font-family: Arial, Helvetica, sans-serif; + font-size: 4em; + left: 0; + line-height: 1; + margin-top: -0.5em; + position: absolute; + text-shadow: 0.05em 0.05em 0.1em #000; + text-align: center; + top: 50%; + vertical-align: middle; + width: 100%; +} + +.vjs-loading-spinner { + display: none; + position: absolute; + top: 50%; + left: 50%; + margin: -25px 0 0 -25px; + opacity: 0.85; + text-align: left; + border: 6px solid rgba(43, 51, 63, 0.7); + box-sizing: border-box; + background-clip: padding-box; + width: 50px; + height: 50px; + border-radius: 25px; + visibility: hidden; +} + +.vjs-seeking .vjs-loading-spinner, +.vjs-waiting .vjs-loading-spinner { + display: block; + -webkit-animation: vjs-spinner-show 0s linear 0.3s forwards; + animation: vjs-spinner-show 0s linear 0.3s forwards; +} + +.vjs-loading-spinner:before, +.vjs-loading-spinner:after { + content: ""; + position: absolute; + margin: -6px; + box-sizing: inherit; + width: inherit; + height: inherit; + border-radius: inherit; + opacity: 1; + border: inherit; + border-color: transparent; + border-top-color: white; +} + +.vjs-seeking .vjs-loading-spinner:before, +.vjs-seeking .vjs-loading-spinner:after, +.vjs-waiting .vjs-loading-spinner:before, +.vjs-waiting .vjs-loading-spinner:after { + -webkit-animation: vjs-spinner-spin 1.1s cubic-bezier(0.6, 0.2, 0, 0.8) infinite, vjs-spinner-fade 1.1s linear infinite; + animation: vjs-spinner-spin 1.1s cubic-bezier(0.6, 0.2, 0, 0.8) infinite, vjs-spinner-fade 1.1s linear infinite; +} + +.vjs-seeking .vjs-loading-spinner:before, +.vjs-waiting .vjs-loading-spinner:before { + border-top-color: white; +} + +.vjs-seeking .vjs-loading-spinner:after, +.vjs-waiting .vjs-loading-spinner:after { + border-top-color: white; + -webkit-animation-delay: 0.44s; + animation-delay: 0.44s; +} + +@keyframes vjs-spinner-show { + to { + visibility: visible; + } +} +@-webkit-keyframes vjs-spinner-show { + to { + visibility: visible; + } +} +@keyframes vjs-spinner-spin { + 100% { + transform: rotate(360deg); + } +} +@-webkit-keyframes vjs-spinner-spin { + 100% { + -webkit-transform: rotate(360deg); + } +} +@keyframes vjs-spinner-fade { + 0% { + border-top-color: #73859f; + } + 20% { + border-top-color: #73859f; + } + 35% { + border-top-color: white; + } + 60% { + border-top-color: #73859f; + } + 100% { + border-top-color: #73859f; + } +} +@-webkit-keyframes vjs-spinner-fade { + 0% { + border-top-color: #73859f; + } + 20% { + border-top-color: #73859f; + } + 35% { + border-top-color: white; + } + 60% { + border-top-color: #73859f; + } + 100% { + border-top-color: #73859f; + } +} +.video-js.vjs-audio-only-mode .vjs-captions-button { + display: none; +} + +.vjs-chapters-button .vjs-menu ul { + width: 24em; +} + +.video-js.vjs-audio-only-mode .vjs-descriptions-button { + display: none; +} + +.video-js .vjs-subs-caps-button + .vjs-menu .vjs-captions-menu-item .vjs-menu-item-text .vjs-icon-placeholder { + vertical-align: middle; + display: inline-block; + margin-bottom: -0.1em; +} + +.video-js .vjs-subs-caps-button + .vjs-menu .vjs-captions-menu-item .vjs-menu-item-text .vjs-icon-placeholder:before { + font-family: VideoJS; + content: ""; + font-size: 1.5em; + line-height: inherit; +} + +.video-js.vjs-audio-only-mode .vjs-subs-caps-button { + display: none; +} + +.video-js .vjs-audio-button + .vjs-menu .vjs-main-desc-menu-item .vjs-menu-item-text .vjs-icon-placeholder { + vertical-align: middle; + display: inline-block; + margin-bottom: -0.1em; +} + +.video-js .vjs-audio-button + .vjs-menu .vjs-main-desc-menu-item .vjs-menu-item-text .vjs-icon-placeholder:before { + font-family: VideoJS; + content: " "; + font-size: 1.5em; + line-height: inherit; +} + +.video-js.vjs-layout-small .vjs-current-time, +.video-js.vjs-layout-small .vjs-time-divider, +.video-js.vjs-layout-small .vjs-duration, +.video-js.vjs-layout-small .vjs-remaining-time, +.video-js.vjs-layout-small .vjs-playback-rate, +.video-js.vjs-layout-small .vjs-volume-control, .video-js.vjs-layout-x-small .vjs-current-time, +.video-js.vjs-layout-x-small .vjs-time-divider, +.video-js.vjs-layout-x-small .vjs-duration, +.video-js.vjs-layout-x-small .vjs-remaining-time, +.video-js.vjs-layout-x-small .vjs-playback-rate, +.video-js.vjs-layout-x-small .vjs-volume-control, .video-js.vjs-layout-tiny .vjs-current-time, +.video-js.vjs-layout-tiny .vjs-time-divider, +.video-js.vjs-layout-tiny .vjs-duration, +.video-js.vjs-layout-tiny .vjs-remaining-time, +.video-js.vjs-layout-tiny .vjs-playback-rate, +.video-js.vjs-layout-tiny .vjs-volume-control { + display: none; +} +.video-js.vjs-layout-small .vjs-volume-panel.vjs-volume-panel-horizontal:hover, .video-js.vjs-layout-small .vjs-volume-panel.vjs-volume-panel-horizontal:active, .video-js.vjs-layout-small .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-slider-active, .video-js.vjs-layout-small .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-hover, .video-js.vjs-layout-x-small .vjs-volume-panel.vjs-volume-panel-horizontal:hover, .video-js.vjs-layout-x-small .vjs-volume-panel.vjs-volume-panel-horizontal:active, .video-js.vjs-layout-x-small .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-slider-active, .video-js.vjs-layout-x-small .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-hover, .video-js.vjs-layout-tiny .vjs-volume-panel.vjs-volume-panel-horizontal:hover, .video-js.vjs-layout-tiny .vjs-volume-panel.vjs-volume-panel-horizontal:active, .video-js.vjs-layout-tiny .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-slider-active, .video-js.vjs-layout-tiny .vjs-volume-panel.vjs-volume-panel-horizontal.vjs-hover { + width: auto; + width: initial; +} +.video-js.vjs-layout-x-small .vjs-progress-control, .video-js.vjs-layout-tiny .vjs-progress-control { + display: none; +} +.video-js.vjs-layout-x-small .vjs-custom-control-spacer { + flex: auto; + display: block; +} +.video-js.vjs-layout-x-small.vjs-no-flex .vjs-custom-control-spacer { + width: auto; +} + +.vjs-modal-dialog.vjs-text-track-settings { + background-color: #2B333F; + background-color: rgba(43, 51, 63, 0.75); + color: #fff; + height: 70%; +} + +.vjs-text-track-settings .vjs-modal-dialog-content { + display: table; +} + +.vjs-text-track-settings .vjs-track-settings-colors, +.vjs-text-track-settings .vjs-track-settings-font, +.vjs-text-track-settings .vjs-track-settings-controls { + display: table-cell; +} + +.vjs-text-track-settings .vjs-track-settings-controls { + text-align: right; + vertical-align: bottom; +} + +@supports (display: grid) { + .vjs-text-track-settings .vjs-modal-dialog-content { + display: grid; + grid-template-columns: 1fr 1fr; + grid-template-rows: 1fr; + padding: 20px 24px 0px 24px; + } + + .vjs-track-settings-controls .vjs-default-button { + margin-bottom: 20px; + } + + .vjs-text-track-settings .vjs-track-settings-controls { + grid-column: 1/-1; + } + + .vjs-layout-small .vjs-text-track-settings .vjs-modal-dialog-content, +.vjs-layout-x-small .vjs-text-track-settings .vjs-modal-dialog-content, +.vjs-layout-tiny .vjs-text-track-settings .vjs-modal-dialog-content { + grid-template-columns: 1fr; + } +} +.vjs-track-setting > select { + margin-right: 1em; + margin-bottom: 0.5em; +} + +.vjs-text-track-settings fieldset { + margin: 5px; + padding: 3px; + border: none; +} + +.vjs-text-track-settings fieldset span { + display: inline-block; +} + +.vjs-text-track-settings fieldset span > select { + max-width: 7.3em; +} + +.vjs-text-track-settings legend { + color: #fff; + margin: 0 0 5px 0; +} + +.vjs-text-track-settings .vjs-label { + position: absolute; + clip: rect(1px 1px 1px 1px); + clip: rect(1px, 1px, 1px, 1px); + display: block; + margin: 0 0 5px 0; + padding: 0; + border: 0; + height: 1px; + width: 1px; + overflow: hidden; +} + +.vjs-track-settings-controls button:focus, +.vjs-track-settings-controls button:active { + outline-style: solid; + outline-width: medium; + background-image: linear-gradient(0deg, #fff 88%, #73859f 100%); +} + +.vjs-track-settings-controls button:hover { + color: rgba(43, 51, 63, 0.75); +} + +.vjs-track-settings-controls button { + background-color: #fff; + background-image: linear-gradient(-180deg, #fff 88%, #73859f 100%); + color: #2B333F; + cursor: pointer; + border-radius: 2px; +} + +.vjs-track-settings-controls .vjs-default-button { + margin-right: 1em; +} + +@media print { + .video-js > *:not(.vjs-tech):not(.vjs-poster) { + visibility: hidden; + } +} +.vjs-resize-manager { + position: absolute; + top: 0; + left: 0; + width: 100%; + height: 100%; + border: none; + z-index: -1000; +} + +.js-focus-visible .video-js *:focus:not(.focus-visible) { + outline: none; +} + +.video-js *:focus:not(:focus-visible) { + outline: none; +} diff --git a/accelerate_files/libs/quarto-contrib/videojs/video.min.js b/accelerate_files/libs/quarto-contrib/videojs/video.min.js new file mode 100644 index 0000000000000000000000000000000000000000..3bc604f954b681abab6e59bd528dad7c5797a4dc --- /dev/null +++ b/accelerate_files/libs/quarto-contrib/videojs/video.min.js @@ -0,0 +1,25 @@ +/** + * @license + * Video.js 7.20.2 + * Copyright Brightcove, Inc. + * Available under Apache License Version 2.0 + * + * + * Includes vtt.js + * Available under Apache License Version 2.0 + * + */ +!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self).videojs=t()}(this,function(){"use strict";for(var e,u="7.20.2",i={},a=function(e,t){return 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Ei(e){var t=[],i="";if(!e||!e.childNodes)return"ltr";function a(e,t){for(var i=t.childNodes.length-1;0<=i;i--)e.push(t.childNodes[i])}for(a(t,e);i=function e(t){if(!t||!t.length)return null;var i=t.pop(),n=i.textContent||i.innerText;if(n){var r=n.match(/^.*(\n|\r)/);return r?r[t.length=0]:n}return"ruby"===i.tagName?e(t):i.childNodes?(a(t,i),e(t)):void 0}(t);)for(var n=0;n=i[0]&&e<=i[1])return 1}}(i.charCodeAt(n)))return"rtl";return"ltr"}function ki(){}function Ci(e,t,i){ki.call(this),this.cue=t,this.cueDiv=Si(e,t.text);var n={color:"rgba(255, 255, 255, 1)",backgroundColor:"rgba(0, 0, 0, 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r=0;switch(t.positionAlign){case"start":r=t.position;break;case"center":r=t.position-t.size/2;break;case"end":r=t.position-t.size}""===t.vertical?this.applyStyles({left:this.formatStyle(r,"%"),width:this.formatStyle(t.size,"%")}):this.applyStyles({top:this.formatStyle(r,"%"),height:this.formatStyle(t.size,"%")}),this.move=function(e){this.applyStyles({top:this.formatStyle(e.top,"px"),bottom:this.formatStyle(e.bottom,"px"),left:this.formatStyle(e.left,"px"),right:this.formatStyle(e.right,"px"),height:this.formatStyle(e.height,"px"),width:this.formatStyle(e.width,"px")})}}function Ii(e){var t,i,n,r;e.div&&(t=e.div.offsetHeight,i=e.div.offsetWidth,n=e.div.offsetTop,r=(r=e.div.childNodes)&&(r=r[0])&&r.getClientRects&&r.getClientRects(),e=e.div.getBoundingClientRect(),r=r?Math.max(r[0]&&r[0].height||0,e.height/r.length):0),this.left=e.left,this.right=e.right,this.top=e.top||n,this.height=e.height||t,this.bottom=e.bottom||n+(e.height||t),this.width=e.width||i,this.lineHeight=void 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this.lefte.right;case"+y":return this.tope.bottom}},Ii.prototype.intersectPercentage=function(e){return Math.max(0,Math.min(this.right,e.right)-Math.max(this.left,e.left))*Math.max(0,Math.min(this.bottom,e.bottom)-Math.max(this.top,e.top))/(this.height*this.width)},Ii.prototype.toCSSCompatValues=function(e){return{top:this.top-e.top,bottom:e.bottom-this.bottom,left:this.left-e.left,right:e.right-this.right,height:this.height,width:this.width}},Ii.getSimpleBoxPosition=function(e){var t=e.div?e.div.offsetHeight:e.tagName?e.offsetHeight:0,i=e.div?e.div.offsetWidth:e.tagName?e.offsetWidth:0,n=e.div?e.div.offsetTop:e.tagName?e.offsetTop:0;return{left:(e=e.div?e.div.getBoundingClientRect():e.tagName?e.getBoundingClientRect():e).left,right:e.right,top:e.top||n,height:e.height||t,bottom:e.bottom||n+(e.height||t),width:e.width||i}},Ai.StringDecoder=function(){return{decode:function(e){if(!e)return"";if("string"!=typeof e)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(e))}}},Ai.convertCueToDOMTree=function(e,t){return e&&t?Si(e,t):null};Ai.processCues=function(n,r,e){if(!n||!r||!e)return null;for(;e.firstChild;)e.removeChild(e.firstChild);var a=n.document.createElement("div");if(a.style.position="absolute",a.style.left="0",a.style.right="0",a.style.top="0",a.style.bottom="0",a.style.margin="1.5%",e.appendChild(a),function(e){for(var t=0;tt.length;u--)l.el_.removeChild(n[u-1]);n.length=t.length})},e}(pt)),pt.registerComponent("TimeTooltip",function(i){function e(e,t){t=i.call(this,e,t)||this;return t.update=We(Ve(ft(t),t.update),30),t}mt(e,i);var t=e.prototype;return t.createEl=function(){return i.prototype.createEl.call(this,"div",{className:"vjs-time-tooltip"},{"aria-hidden":"true"})},t.update=function(e,t,i){var n=he(this.el_),r=de(this.player_.el()),a=e.width*t;r&&n&&(t=e.left-r.left+a,r=e.width-a+(r.right-e.right),t<(e=n.width/2)?e+=e-t:rn.width&&(e=n.width),e=Math.round(e),this.el_.style.right="-"+e+"px",this.write(i))},t.write=function(e){J(this.el_,e)},t.updateTime=function(n,r,a,s){var o=this;this.requestNamedAnimationFrame("TimeTooltip#updateTime",function(){var e,t,i=o.player_.duration();i=o.player_.liveTracker&&o.player_.liveTracker.isLive()?((t=(e=o.player_.liveTracker.liveWindow())-r*e)<1?"":"-")+ln(t,e):ln(a,i),o.update(n,r,i),s&&s()})},e}(pt));Xt=function(i){function e(e,t){t=i.call(this,e,t)||this;return t.update=We(Ve(ft(t),t.update),30),t}mt(e,i);var t=e.prototype;return t.createEl=function(){return i.prototype.createEl.call(this,"div",{className:"vjs-play-progress vjs-slider-bar"},{"aria-hidden":"true"})},t.update=function(e,t){var i,n=this.getChild("timeTooltip");n&&(i=this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime(),n.updateTime(e,t,i))},e}(pt);Xt.prototype.options_={children:[]},q||A||Xt.prototype.options_.children.push("timeTooltip"),pt.registerComponent("PlayProgressBar",Xt);I=function(i){function e(e,t){t=i.call(this,e,t)||this;return t.update=We(Ve(ft(t),t.update),30),t}mt(e,i);var t=e.prototype;return t.createEl=function(){return i.prototype.createEl.call(this,"div",{className:"vjs-mouse-display"})},t.update=function(e,t){var i=this,n=t*this.player_.duration();this.getChild("timeTooltip").updateTime(e,t,n,function(){i.el_.style.left=e.width*t+"px"})},e}(pt);I.prototype.options_={children:["timeTooltip"]},pt.registerComponent("MouseTimeDisplay",I);Bt=function(a){function e(e,t){t=a.call(this,e,t)||this;return t.setEventHandlers_(),t}mt(e,a);var t=e.prototype;return t.setEventHandlers_=function(){var t=this;this.update_=Ve(this,this.update),this.update=We(this.update_,30),this.on(this.player_,["ended","durationchange","timeupdate"],this.update),this.player_.liveTracker&&this.on(this.player_.liveTracker,"liveedgechange",this.update),this.updateInterval=null,this.enableIntervalHandler_=function(e){return t.enableInterval_(e)},this.disableIntervalHandler_=function(e){return t.disableInterval_(e)},this.on(this.player_,["playing"],this.enableIntervalHandler_),this.on(this.player_,["ended","pause","waiting"],this.disableIntervalHandler_),"hidden"in document&&"visibilityState"in document&&this.on(document,"visibilitychange",this.toggleVisibility_)},t.toggleVisibility_=function(e){"hidden"===document.visibilityState?(this.cancelNamedAnimationFrame("SeekBar#update"),this.cancelNamedAnimationFrame("Slider#update"),this.disableInterval_(e)):(this.player_.ended()||this.player_.paused()||this.enableInterval_(),this.update())},t.enableInterval_=function(){this.updateInterval||(this.updateInterval=this.setInterval(this.update,30))},t.disableInterval_=function(e){this.player_.liveTracker&&this.player_.liveTracker.isLive()&&e&&"ended"!==e.type||this.updateInterval&&(this.clearInterval(this.updateInterval),this.updateInterval=null)},t.createEl=function(){return a.prototype.createEl.call(this,"div",{className:"vjs-progress-holder"},{"aria-label":this.localize("Progress Bar")})},t.update=function(e){var n=this;if("hidden"!==document.visibilityState){var r=a.prototype.update.call(this);return this.requestNamedAnimationFrame("SeekBar#update",function(){var e=n.player_.ended()?n.player_.duration():n.getCurrentTime_(),t=n.player_.liveTracker,i=n.player_.duration();t&&t.isLive()&&(i=n.player_.liveTracker.liveCurrentTime()),n.percent_!==r&&(n.el_.setAttribute("aria-valuenow",(100*r).toFixed(2)),n.percent_=r),n.currentTime_===e&&n.duration_===i||(n.el_.setAttribute("aria-valuetext",n.localize("progress bar timing: currentTime={1} duration={2}",[ln(e,i),ln(i,i)],"{1} of {2}")),n.currentTime_=e,n.duration_=i),n.bar&&n.bar.update(de(n.el()),n.getProgress())}),r}},t.userSeek_=function(e){this.player_.liveTracker&&this.player_.liveTracker.isLive()&&this.player_.liveTracker.nextSeekedFromUser(),this.player_.currentTime(e)},t.getCurrentTime_=function(){return this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime()},t.getPercent=function(){var e,t=this.getCurrentTime_(),i=this.player_.liveTracker;return i&&i.isLive()?(e=(t-i.seekableStart())/i.liveWindow(),i.atLiveEdge()&&(e=1)):e=t/this.player_.duration(),e},t.handleMouseDown=function(e){_e(e)&&(e.stopPropagation(),this.videoWasPlaying=!this.player_.paused(),this.player_.pause(),a.prototype.handleMouseDown.call(this,e))},t.handleMouseMove=function(e,t){if(void 0===t&&(t=!1),_e(e)){t||this.player_.scrubbing()||this.player_.scrubbing(!0);var i=this.calculateDistance(e),n=this.player_.liveTracker;if(n&&n.isLive()){if(.99<=i)return void n.seekToLiveEdge();var r,t=n.seekableStart(),e=n.liveCurrentTime();if((r=(r=e<=(r=t+i*n.liveWindow())?e:r)<=t?t+.1:r)===1/0)return}else(r=i*this.player_.duration())===this.player_.duration()&&(r-=.1);this.userSeek_(r)}},t.enable=function(){a.prototype.enable.call(this);var e=this.getChild("mouseTimeDisplay");e&&e.show()},t.disable=function(){a.prototype.disable.call(this);var e=this.getChild("mouseTimeDisplay");e&&e.hide()},t.handleMouseUp=function(e){a.prototype.handleMouseUp.call(this,e),e&&e.stopPropagation(),this.player_.scrubbing(!1),this.player_.trigger({type:"timeupdate",target:this,manuallyTriggered:!0}),this.videoWasPlaying?Et(this.player_.play()):this.update_()},t.stepForward=function(){this.userSeek_(this.player_.currentTime()+5)},t.stepBack=function(){this.userSeek_(this.player_.currentTime()-5)},t.handleAction=function(e){this.player_.paused()?this.player_.play():this.player_.pause()},t.handleKeyDown=function(e){var t,i=this.player_.liveTracker;ht.isEventKey(e,"Space")||ht.isEventKey(e,"Enter")?(e.preventDefault(),e.stopPropagation(),this.handleAction(e)):ht.isEventKey(e,"Home")?(e.preventDefault(),e.stopPropagation(),this.userSeek_(0)):ht.isEventKey(e,"End")?(e.preventDefault(),e.stopPropagation(),i&&i.isLive()?this.userSeek_(i.liveCurrentTime()):this.userSeek_(this.player_.duration())):/^[0-9]$/.test(ht(e))?(e.preventDefault(),e.stopPropagation(),t=10*(ht.codes[ht(e)]-ht.codes[0])/100,i&&i.isLive()?this.userSeek_(i.seekableStart()+i.liveWindow()*t):this.userSeek_(this.player_.duration()*t)):ht.isEventKey(e,"PgDn")?(e.preventDefault(),e.stopPropagation(),this.userSeek_(this.player_.currentTime()-60)):ht.isEventKey(e,"PgUp")?(e.preventDefault(),e.stopPropagation(),this.userSeek_(this.player_.currentTime()+60)):a.prototype.handleKeyDown.call(this,e)},t.dispose=function(){this.disableInterval_(),this.off(this.player_,["ended","durationchange","timeupdate"],this.update),this.player_.liveTracker&&this.off(this.player_.liveTracker,"liveedgechange",this.update),this.off(this.player_,["playing"],this.enableIntervalHandler_),this.off(this.player_,["ended","pause","waiting"],this.disableIntervalHandler_),"hidden"in document&&"visibilityState"in document&&this.off(document,"visibilitychange",this.toggleVisibility_),a.prototype.dispose.call(this)},e}(li);Bt.prototype.options_={children:["loadProgressBar","playProgressBar"],barName:"playProgressBar"},q||A||Bt.prototype.options_.children.splice(1,0,"mouseTimeDisplay"),pt.registerComponent("SeekBar",Bt);Ft=function(n){function e(e,t){var i=n.call(this,e,t)||this;return i.handleMouseMove=We(Ve(ft(i),i.handleMouseMove),30),i.throttledHandleMouseSeek=We(Ve(ft(i),i.handleMouseSeek),30),i.handleMouseUpHandler_=function(e){return i.handleMouseUp(e)},i.handleMouseDownHandler_=function(e){return i.handleMouseDown(e)},i.enable(),i}mt(e,n);var t=e.prototype;return t.createEl=function(){return n.prototype.createEl.call(this,"div",{className:"vjs-progress-control vjs-control"})},t.handleMouseMove=function(e){var t,i,n,r,a=this.getChild("seekBar");a&&(t=a.getChild("playProgressBar"),i=a.getChild("mouseTimeDisplay"),(t||i)&&(r=he(n=a.el()),e=pe(n,e).x,e=cn(e,0,1),i&&i.update(r,e),t&&t.update(r,a.getProgress())))},t.handleMouseSeek=function(e){var t=this.getChild("seekBar");t&&t.handleMouseMove(e)},t.enabled=function(){return this.enabled_},t.disable=function(){var e;this.children().forEach(function(e){return e.disable&&e.disable()}),this.enabled()&&(this.off(["mousedown","touchstart"],this.handleMouseDownHandler_),this.off(this.el_,"mousemove",this.handleMouseMove),this.removeListenersAddedOnMousedownAndTouchstart(),this.addClass("disabled"),this.enabled_=!1,this.player_.scrubbing()&&(e=this.getChild("seekBar"),this.player_.scrubbing(!1),e.videoWasPlaying&&Et(this.player_.play())))},t.enable=function(){this.children().forEach(function(e){return e.enable&&e.enable()}),this.enabled()||(this.on(["mousedown","touchstart"],this.handleMouseDownHandler_),this.on(this.el_,"mousemove",this.handleMouseMove),this.removeClass("disabled"),this.enabled_=!0)},t.removeListenersAddedOnMousedownAndTouchstart=function(){var e=this.el_.ownerDocument;this.off(e,"mousemove",this.throttledHandleMouseSeek),this.off(e,"touchmove",this.throttledHandleMouseSeek),this.off(e,"mouseup",this.handleMouseUpHandler_),this.off(e,"touchend",this.handleMouseUpHandler_)},t.handleMouseDown=function(e){var t=this.el_.ownerDocument,i=this.getChild("seekBar");i&&i.handleMouseDown(e),this.on(t,"mousemove",this.throttledHandleMouseSeek),this.on(t,"touchmove",this.throttledHandleMouseSeek),this.on(t,"mouseup",this.handleMouseUpHandler_),this.on(t,"touchend",this.handleMouseUpHandler_)},t.handleMouseUp=function(e){var t=this.getChild("seekBar");t&&t.handleMouseUp(e),this.removeListenersAddedOnMousedownAndTouchstart()},e}(pt);Ft.prototype.options_={children:["seekBar"]},pt.registerComponent("ProgressControl",Ft);jt=function(n){function e(e,t){var i=n.call(this,e,t)||this;return i.on(e,["enterpictureinpicture","leavepictureinpicture"],function(e){return i.handlePictureInPictureChange(e)}),i.on(e,["disablepictureinpicturechanged","loadedmetadata"],function(e){return i.handlePictureInPictureEnabledChange(e)}),i.on(e,["loadedmetadata","audioonlymodechange","audiopostermodechange"],function(){"audio"===e.currentType().substring(0,5)||e.audioPosterMode()||e.audioOnlyMode()?(e.isInPictureInPicture()&&e.exitPictureInPicture(),i.hide()):i.show()}),i.disable(),i}mt(e,n);var t=e.prototype;return t.buildCSSClass=function(){return"vjs-picture-in-picture-control "+n.prototype.buildCSSClass.call(this)},t.handlePictureInPictureEnabledChange=function(){document.pictureInPictureEnabled&&!1===this.player_.disablePictureInPicture()?this.enable():this.disable()},t.handlePictureInPictureChange=function(e){this.player_.isInPictureInPicture()?this.controlText("Exit Picture-in-Picture"):this.controlText("Picture-in-Picture"),this.handlePictureInPictureEnabledChange()},t.handleClick=function(e){this.player_.isInPictureInPicture()?this.player_.exitPictureInPicture():this.player_.requestPictureInPicture()},e}(sn);jt.prototype.controlText_="Picture-in-Picture",pt.registerComponent("PictureInPictureToggle",jt);j=function(n){function e(e,t){var i=n.call(this,e,t)||this;return i.on(e,"fullscreenchange",function(e){return i.handleFullscreenChange(e)}),!1===document[e.fsApi_.fullscreenEnabled]&&i.disable(),i}mt(e,n);var t=e.prototype;return t.buildCSSClass=function(){return"vjs-fullscreen-control "+n.prototype.buildCSSClass.call(this)},t.handleFullscreenChange=function(e){this.player_.isFullscreen()?this.controlText("Non-Fullscreen"):this.controlText("Fullscreen")},t.handleClick=function(e){this.player_.isFullscreen()?this.player_.exitFullscreen():this.player_.requestFullscreen()},e}(sn);j.prototype.controlText_="Fullscreen",pt.registerComponent("FullscreenToggle",j);pt.registerComponent("VolumeLevel",function(t){function e(){return t.apply(this,arguments)||this}return mt(e,t),e.prototype.createEl=function(){var e=t.prototype.createEl.call(this,"div",{className:"vjs-volume-level"});return e.appendChild(t.prototype.createEl.call(this,"span",{className:"vjs-control-text"})),e},e}(pt)),pt.registerComponent("VolumeLevelTooltip",function(i){function e(e,t){t=i.call(this,e,t)||this;return t.update=We(Ve(ft(t),t.update),30),t}mt(e,i);var t=e.prototype;return t.createEl=function(){return i.prototype.createEl.call(this,"div",{className:"vjs-volume-tooltip"},{"aria-hidden":"true"})},t.update=function(e,t,i,n){if(!i){var r=de(this.el_),a=de(this.player_.el()),i=e.width*t;if(!a||!r)return;t=e.left-a.left+i,a=e.width-i+(a.right-e.right),e=r.width/2;tr.width&&(e=r.width),this.el_.style.right="-"+e+"px"}this.write(n+"%")},t.write=function(e){J(this.el_,e)},t.updateVolume=function(e,t,i,n,r){var a=this;this.requestNamedAnimationFrame("VolumeLevelTooltip#updateVolume",function(){a.update(e,t,i,n.toFixed(0)),r&&r()})},e}(pt));k=function(i){function e(e,t){t=i.call(this,e,t)||this;return t.update=We(Ve(ft(t),t.update),30),t}mt(e,i);var t=e.prototype;return t.createEl=function(){return i.prototype.createEl.call(this,"div",{className:"vjs-mouse-display"})},t.update=function(e,t,i){var n=this,r=100*t;this.getChild("volumeLevelTooltip").updateVolume(e,t,i,r,function(){i?n.el_.style.bottom=e.height*t+"px":n.el_.style.left=e.width*t+"px"})},e}(pt);k.prototype.options_={children:["volumeLevelTooltip"]},pt.registerComponent("MouseVolumeLevelDisplay",k);f=function(n){function e(e,t){var i=n.call(this,e,t)||this;return i.on("slideractive",function(e){return i.updateLastVolume_(e)}),i.on(e,"volumechange",function(e){return i.updateARIAAttributes(e)}),e.ready(function(){return i.updateARIAAttributes()}),i}mt(e,n);var t=e.prototype;return t.createEl=function(){return n.prototype.createEl.call(this,"div",{className:"vjs-volume-bar vjs-slider-bar"},{"aria-label":this.localize("Volume Level"),"aria-live":"polite"})},t.handleMouseDown=function(e){_e(e)&&n.prototype.handleMouseDown.call(this,e)},t.handleMouseMove=function(e){var t,i,n,r=this.getChild("mouseVolumeLevelDisplay");r&&(t=de(n=this.el()),i=this.vertical(),n=pe(n,e),n=i?n.y:n.x,n=cn(n,0,1),r.update(t,n,i)),_e(e)&&(this.checkMuted(),this.player_.volume(this.calculateDistance(e)))},t.checkMuted=function(){this.player_.muted()&&this.player_.muted(!1)},t.getPercent=function(){return this.player_.muted()?0:this.player_.volume()},t.stepForward=function(){this.checkMuted(),this.player_.volume(this.player_.volume()+.1)},t.stepBack=function(){this.checkMuted(),this.player_.volume(this.player_.volume()-.1)},t.updateARIAAttributes=function(e){var t=this.player_.muted()?0:this.volumeAsPercentage_();this.el_.setAttribute("aria-valuenow",t),this.el_.setAttribute("aria-valuetext",t+"%")},t.volumeAsPercentage_=function(){return Math.round(100*this.player_.volume())},t.updateLastVolume_=function(){var e=this,t=this.player_.volume();this.one("sliderinactive",function(){0===e.player_.volume()&&e.player_.lastVolume_(t)})},e}(li);f.prototype.options_={children:["volumeLevel"],barName:"volumeLevel"},q||A||f.prototype.options_.children.splice(0,0,"mouseVolumeLevelDisplay"),f.prototype.playerEvent="volumechange",pt.registerComponent("VolumeBar",f);ui=function(a){function e(e,t){var i,n,r;return(t=void 0===t?{}:t).vertical=t.vertical||!1,"undefined"!=typeof t.volumeBar&&!S(t.volumeBar)||(t.volumeBar=t.volumeBar||{},t.volumeBar.vertical=t.vertical),i=a.call(this,e,t)||this,n=ft(i),(r=e).tech_&&!r.tech_.featuresVolumeControl&&n.addClass("vjs-hidden"),n.on(r,"loadstart",function(){r.tech_.featuresVolumeControl?n.removeClass("vjs-hidden"):n.addClass("vjs-hidden")}),i.throttledHandleMouseMove=We(Ve(ft(i),i.handleMouseMove),30),i.handleMouseUpHandler_=function(e){return i.handleMouseUp(e)},i.on("mousedown",function(e){return i.handleMouseDown(e)}),i.on("touchstart",function(e){return i.handleMouseDown(e)}),i.on("mousemove",function(e){return i.handleMouseMove(e)}),i.on(i.volumeBar,["focus","slideractive"],function(){i.volumeBar.addClass("vjs-slider-active"),i.addClass("vjs-slider-active"),i.trigger("slideractive")}),i.on(i.volumeBar,["blur","sliderinactive"],function(){i.volumeBar.removeClass("vjs-slider-active"),i.removeClass("vjs-slider-active"),i.trigger("sliderinactive")}),i}mt(e,a);var t=e.prototype;return t.createEl=function(){var e="vjs-volume-horizontal";return this.options_.vertical&&(e="vjs-volume-vertical"),a.prototype.createEl.call(this,"div",{className:"vjs-volume-control vjs-control "+e})},t.handleMouseDown=function(e){var t=this.el_.ownerDocument;this.on(t,"mousemove",this.throttledHandleMouseMove),this.on(t,"touchmove",this.throttledHandleMouseMove),this.on(t,"mouseup",this.handleMouseUpHandler_),this.on(t,"touchend",this.handleMouseUpHandler_)},t.handleMouseUp=function(e){var t=this.el_.ownerDocument;this.off(t,"mousemove",this.throttledHandleMouseMove),this.off(t,"touchmove",this.throttledHandleMouseMove),this.off(t,"mouseup",this.handleMouseUpHandler_),this.off(t,"touchend",this.handleMouseUpHandler_)},t.handleMouseMove=function(e){this.volumeBar.handleMouseMove(e)},e}(pt);ui.prototype.options_={children:["volumeBar"]},pt.registerComponent("VolumeControl",ui);Xt=function(a){function e(e,t){var i,n,r=a.call(this,e,t)||this;return i=ft(r),(n=e).tech_&&!n.tech_.featuresMuteControl&&i.addClass("vjs-hidden"),i.on(n,"loadstart",function(){n.tech_.featuresMuteControl?i.removeClass("vjs-hidden"):i.addClass("vjs-hidden")}),r.on(e,["loadstart","volumechange"],function(e){return r.update(e)}),r}mt(e,a);var t=e.prototype;return t.buildCSSClass=function(){return"vjs-mute-control "+a.prototype.buildCSSClass.call(this)},t.handleClick=function(e){var t=this.player_.volume(),i=this.player_.lastVolume_();0===t?(this.player_.volume(i<.1?.1:i),this.player_.muted(!1)):this.player_.muted(!this.player_.muted())},t.update=function(e){this.updateIcon_(),this.updateControlText_()},t.updateIcon_=function(){var e=this.player_.volume(),t=3;q&&this.player_.tech_&&this.player_.tech_.el_&&this.player_.muted(this.player_.tech_.el_.muted),0===e||this.player_.muted()?t=0:e<.33?t=1:e<.67&&(t=2);for(var i=0;i<4;i++)ie(this.el_,"vjs-vol-"+i);te(this.el_,"vjs-vol-"+t)},t.updateControlText_=function(){var e=this.player_.muted()||0===this.player_.volume()?"Unmute":"Mute";this.controlText()!==e&&this.controlText(e)},e}(sn);Xt.prototype.controlText_="Mute",pt.registerComponent("MuteToggle",Xt);I=function(n){function e(e,t){var i;return"undefined"!=typeof(t=void 0===t?{}:t).inline?t.inline=t.inline:t.inline=!0,"undefined"!=typeof t.volumeControl&&!S(t.volumeControl)||(t.volumeControl=t.volumeControl||{},t.volumeControl.vertical=!t.inline),(i=n.call(this,e,t)||this).handleKeyPressHandler_=function(e){return i.handleKeyPress(e)},i.on(e,["loadstart"],function(e){return i.volumePanelState_(e)}),i.on(i.muteToggle,"keyup",function(e){return i.handleKeyPress(e)}),i.on(i.volumeControl,"keyup",function(e){return i.handleVolumeControlKeyUp(e)}),i.on("keydown",function(e){return i.handleKeyPress(e)}),i.on("mouseover",function(e){return i.handleMouseOver(e)}),i.on("mouseout",function(e){return i.handleMouseOut(e)}),i.on(i.volumeControl,["slideractive"],i.sliderActive_),i.on(i.volumeControl,["sliderinactive"],i.sliderInactive_),i}mt(e,n);var t=e.prototype;return t.sliderActive_=function(){this.addClass("vjs-slider-active")},t.sliderInactive_=function(){this.removeClass("vjs-slider-active")},t.volumePanelState_=function(){this.volumeControl.hasClass("vjs-hidden")&&this.muteToggle.hasClass("vjs-hidden")&&this.addClass("vjs-hidden"),this.volumeControl.hasClass("vjs-hidden")&&!this.muteToggle.hasClass("vjs-hidden")&&this.addClass("vjs-mute-toggle-only")},t.createEl=function(){var e="vjs-volume-panel-horizontal";return this.options_.inline||(e="vjs-volume-panel-vertical"),n.prototype.createEl.call(this,"div",{className:"vjs-volume-panel vjs-control "+e})},t.dispose=function(){this.handleMouseOut(),n.prototype.dispose.call(this)},t.handleVolumeControlKeyUp=function(e){ht.isEventKey(e,"Esc")&&this.muteToggle.focus()},t.handleMouseOver=function(e){this.addClass("vjs-hover"),Be(document,"keyup",this.handleKeyPressHandler_)},t.handleMouseOut=function(e){this.removeClass("vjs-hover"),Fe(document,"keyup",this.handleKeyPressHandler_)},t.handleKeyPress=function(e){ht.isEventKey(e,"Esc")&&this.handleMouseOut()},e}(pt);I.prototype.options_={children:["muteToggle","volumeControl"]},pt.registerComponent("VolumePanel",I);var hn=function(n){function e(e,t){var i=n.call(this,e,t)||this;return t&&(i.menuButton_=t.menuButton),i.focusedChild_=-1,i.on("keydown",function(e){return i.handleKeyDown(e)}),i.boundHandleBlur_=function(e){return i.handleBlur(e)},i.boundHandleTapClick_=function(e){return i.handleTapClick(e)},i}mt(e,n);var t=e.prototype;return t.addEventListenerForItem=function(e){e instanceof pt&&(this.on(e,"blur",this.boundHandleBlur_),this.on(e,["tap","click"],this.boundHandleTapClick_))},t.removeEventListenerForItem=function(e){e instanceof pt&&(this.off(e,"blur",this.boundHandleBlur_),this.off(e,["tap","click"],this.boundHandleTapClick_))},t.removeChild=function(e){"string"==typeof e&&(e=this.getChild(e)),this.removeEventListenerForItem(e),n.prototype.removeChild.call(this,e)},t.addItem=function(e){e=this.addChild(e);e&&this.addEventListenerForItem(e)},t.createEl=function(){var e=this.options_.contentElType||"ul";this.contentEl_=$(e,{className:"vjs-menu-content"}),this.contentEl_.setAttribute("role","menu");e=n.prototype.createEl.call(this,"div",{append:this.contentEl_,className:"vjs-menu"});return e.appendChild(this.contentEl_),Be(e,"click",function(e){e.preventDefault(),e.stopImmediatePropagation()}),e},t.dispose=function(){this.contentEl_=null,this.boundHandleBlur_=null,this.boundHandleTapClick_=null,n.prototype.dispose.call(this)},t.handleBlur=function(e){var t=e.relatedTarget||document.activeElement;this.children().some(function(e){return e.el()===t})||(e=this.menuButton_)&&e.buttonPressed_&&t!==e.el().firstChild&&e.unpressButton()},t.handleTapClick=function(t){var e;this.menuButton_&&(this.menuButton_.unpressButton(),e=this.children(),!Array.isArray(e)||(e=e.filter(function(e){return e.el()===t.target})[0])&&"CaptionSettingsMenuItem"!==e.name()&&this.menuButton_.focus())},t.handleKeyDown=function(e){ht.isEventKey(e,"Left")||ht.isEventKey(e,"Down")?(e.preventDefault(),e.stopPropagation(),this.stepForward()):(ht.isEventKey(e,"Right")||ht.isEventKey(e,"Up"))&&(e.preventDefault(),e.stopPropagation(),this.stepBack())},t.stepForward=function(){var e=0;void 0!==this.focusedChild_&&(e=this.focusedChild_+1),this.focus(e)},t.stepBack=function(){var e=0;void 0!==this.focusedChild_&&(e=this.focusedChild_-1),this.focus(e)},t.focus=function(e){void 0===e&&(e=0);var t=this.children().slice();t.length&&t[0].hasClass("vjs-menu-title")&&t.shift(),0=t.length&&(e=t.length-1),t[this.focusedChild_=e].el_.focus())},e}(pt);pt.registerComponent("Menu",hn);Bt=function(n){function e(e,t){var i;(i=n.call(this,e,t=void 0===t?{}:t)||this).menuButton_=new sn(e,t),i.menuButton_.controlText(i.controlText_),i.menuButton_.el_.setAttribute("aria-haspopup","true");t=sn.prototype.buildCSSClass();i.menuButton_.el_.className=i.buildCSSClass()+" "+t,i.menuButton_.removeClass("vjs-control"),i.addChild(i.menuButton_),i.update(),i.enabled_=!0;t=function(e){return i.handleClick(e)};return i.handleMenuKeyUp_=function(e){return i.handleMenuKeyUp(e)},i.on(i.menuButton_,"tap",t),i.on(i.menuButton_,"click",t),i.on(i.menuButton_,"keydown",function(e){return i.handleKeyDown(e)}),i.on(i.menuButton_,"mouseenter",function(){i.addClass("vjs-hover"),i.menu.show(),Be(document,"keyup",i.handleMenuKeyUp_)}),i.on("mouseleave",function(e){return i.handleMouseLeave(e)}),i.on("keydown",function(e){return i.handleSubmenuKeyDown(e)}),i}mt(e,n);var t=e.prototype;return t.update=function(){var e=this.createMenu();this.menu&&(this.menu.dispose(),this.removeChild(this.menu)),this.menu=e,this.addChild(e),this.buttonPressed_=!1,this.menuButton_.el_.setAttribute("aria-expanded","false"),this.items&&this.items.length<=this.hideThreshold_?(this.hide(),this.menu.contentEl_.removeAttribute("role")):(this.show(),this.menu.contentEl_.setAttribute("role","menu"))},t.createMenu=function(){var e,t=new hn(this.player_,{menuButton:this});if(this.hideThreshold_=0,this.options_.title&&(e=$("li",{className:"vjs-menu-title",textContent:ut(this.options_.title),tabIndex:-1}),e=new pt(this.player_,{el:e}),t.addItem(e)),this.items=this.createItems(),this.items)for(var i=0;i select",id:"captions-background-color-%s",label:"Color",options:[ui,Bt,jt,Ft,j,C,I,Xt]},backgroundOpacity:{selector:".vjs-bg-opacity > select",id:"captions-background-opacity-%s",label:"Transparency",options:[k,li,f]},color:{selector:".vjs-fg-color > select",id:"captions-foreground-color-%s",label:"Color",options:[Bt,ui,jt,Ft,j,C,I,Xt]},edgeStyle:{selector:".vjs-edge-style > select",id:"%s",label:"Text Edge Style",options:[["none","None"],["raised","Raised"],["depressed","Depressed"],["uniform","Uniform"],["dropshadow","Dropshadow"]]},fontFamily:{selector:".vjs-font-family > select",id:"captions-font-family-%s",label:"Font Family",options:[["proportionalSansSerif","Proportional Sans-Serif"],["monospaceSansSerif","Monospace Sans-Serif"],["proportionalSerif","Proportional Serif"],["monospaceSerif","Monospace Serif"],["casual","Casual"],["script","Script"],["small-caps","Small Caps"]]},fontPercent:{selector:".vjs-font-percent > select",id:"captions-font-size-%s",label:"Font Size",options:[["0.50","50%"],["0.75","75%"],["1.00","100%"],["1.25","125%"],["1.50","150%"],["1.75","175%"],["2.00","200%"],["3.00","300%"],["4.00","400%"]],default:2,parser:function(e){return"1.00"===e?null:Number(e)}},textOpacity:{selector:".vjs-text-opacity > select",id:"captions-foreground-opacity-%s",label:"Transparency",options:[k,li]},windowColor:{selector:".vjs-window-color > select",id:"captions-window-color-%s",label:"Color"},windowOpacity:{selector:".vjs-window-opacity > select",id:"captions-window-opacity-%s",label:"Transparency",options:[f,li,k]}};function wn(e,t){if((e=t?t(e):e)&&"none"!==e)return e}Sn.windowColor.options=Sn.backgroundColor.options,pt.registerComponent("TextTrackSettings",function(n){function e(e,t){var i;return t.temporary=!1,(i=n.call(this,e,t)||this).updateDisplay=i.updateDisplay.bind(ft(i)),i.fill(),i.hasBeenOpened_=i.hasBeenFilled_=!0,i.endDialog=$("p",{className:"vjs-control-text",textContent:i.localize("End of dialog 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a=0;a>>0,o=e.subarray(a+4,a+8);if(0==s)break;var u=a+s;if(u>e.length){if(i)break;u=e.length}s=e.subarray(a+8,u);wr(o,t[0])&&(1===t.length?r.push(s):r.push.apply(r,io(s,t.slice(1),i))),a=u}return r}function no(e,t,i,n){void 0===i&&(i=!0),void 0===n&&(n=!1);var r=function(e){for(var t=1,i=0;i=t.length)return t.length;var n=no(t,i,!1);if(wr(e.bytes,n.bytes))return i;var r=no(t,i+n.length);return ao(e,t,i+r.length+r.value+n.length)}function so(e,t){var i;i=t,t=Array.isArray(i)?i.map(ro):[ro(i)],e=br(e);var n=[];if(!t.length)return n;for(var r=0;re.length?e.length:o+s.value,u=e.subarray(o,u);wr(t[0],a.bytes)&&(1===t.length?n.push(u):n=n.concat(so(u,t.slice(1)))),r+=a.length+s.length+u.length}return n}function oo(e,t,i,n){void 0===n&&(n=1/0),e=br(e),i=[].concat(i);for(var r,a=0,s=0;a>1&63),-1!==i.indexOf(u)&&(r=a+o),a+=o+("h264"===t?1:2)}else a++}return e.subarray(0,0)}var 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e}},bo={"urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b":"org.w3.clearkey","urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed":"com.widevine.alpha","urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95":"com.microsoft.playready","urn:uuid:f239e769-efa3-4850-9c16-a903c6932efb":"com.adobe.primetime"},To=Math.pow(2,32),So=function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return t.getBigUint64?(e=t.getBigUint64(0))>>7,referencedSize:2147483647&t.getUint32(n),subsegmentDuration:t.getUint32(n+4),startsWithSap:!!(128&e[n+8]),sapType:(112&e[n+8])>>>4,sapDeltaTime:268435455&t.getUint32(n+8)});return 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t=eo(e);return wr(e,[255,16],{offset:t,mask:[255,22]})},mp3:function(e){var t=eo(e);return wr(e,[255,2],{offset:t,mask:[255,6]})},webm:function(e){e=so(e,[ko.EBML,ko.DocType])[0];return wr(e,Po.webm)},mkv:function(e){e=so(e,[ko.EBML,ko.DocType])[0];return wr(e,Po.matroska)},mp4:function(e){return!Lo["3gp"](e)&&!Lo.mov(e)&&(!(!wr(e,Po.mp4,{offset:4})&&!wr(e,Po.fmp4,{offset:4}))||(!(!wr(e,Po.moof,{offset:4})&&!wr(e,Po.moov,{offset:4}))||void 0))},mov:function(e){return wr(e,Po.mov,{offset:4})},"3gp":function(e){return wr(e,Po["3gp"],{offset:4})},ac3:function(e){var t=eo(e);return wr(e,Po.ac3,{offset:t})},ts:function(e){if(e.length<189&&1<=e.length)return 71===e[0];for(var t=0;t+188"):function(){}}function No(e,t){var i,n=[];if(e&&e.length)for(i=0;i "+e.end(i));return t.join(", ")}function jo(e){for(var t=[],i=0;iDate.now()}function Zo(e){return e.excludeUntil&&e.excludeUntil===1/0}function eu(e){var t=Jo(e);return!e.disabled&&!t}function tu(e,t){return 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Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,(65280&e.width)>>8,255&e.width,(65280&e.height)>>8,255&e.height,0,72,0,0,0,72,0,0,0,0,0,0,0,1,19,118,105,100,101,111,106,115,45,99,111,110,116,114,105,98,45,104,108,115,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),u(T.avcC,new Uint8Array([1,e.profileIdc,e.profileCompatibility,e.levelIdc,255].concat([n.length],a,[r.length],s))),u(T.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192]))],e.sarRatio&&(i=e.sarRatio[0],e=e.sarRatio[1],t.push(u(T.pasp,new Uint8Array([(4278190080&i)>>24,(16711680&i)>>16,(65280&i)>>8,255&i,(4278190080&e)>>24,(16711680&e)>>16,(65280&e)>>8,255&e])))),u.apply(null,t)},N=function(e){return u(T.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,(65280&e.channelcount)>>8,255&e.channelcount,(65280&e.samplesize)>>8,255&e.samplesize,0,0,0,0,(65280&e.samplerate)>>8,255&e.samplerate,0,0]),i(e))},d=function(e){e=new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,(4278190080&e.id)>>24,(16711680&e.id)>>16,(65280&e.id)>>8,255&e.id,0,0,0,0,(4278190080&e.duration)>>24,(16711680&e.duration)>>16,(65280&e.duration)>>8,255&e.duration,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,(65280&e.width)>>8,255&e.width,0,0,(65280&e.height)>>8,255&e.height,0,0]);return u(T.tkhd,e)},v=function(e){var t,i=u(T.tfhd,new Uint8Array([0,0,0,58,(4278190080&e.id)>>24,(16711680&e.id)>>16,(65280&e.id)>>8,255&e.id,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0])),n=Math.floor(e.baseMediaDecodeTime/V),r=Math.floor(e.baseMediaDecodeTime%V),n=u(T.tfdt,new Uint8Array([1,0,0,0,n>>>24&255,n>>>16&255,n>>>8&255,255&n,r>>>24&255,r>>>16&255,r>>>8&255,255&r]));return"audio"===e.type?(t=b(e,92),u(T.traf,i,n,t)):(r=m(e),t=b(e,r.length+92),u(T.traf,i,n,t,r))},c=function(e){return e.duration=e.duration||4294967295,u(T.trak,d(e),h(e))},_=function(e){var t=new Uint8Array([0,0,0,0,(4278190080&e.id)>>24,(16711680&e.id)>>16,(65280&e.id)>>8,255&e.id,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return"video"!==e.type&&(t[t.length-1]=0),u(T.trex,t)},U=function(e,t){var i=0,n=0,r=0,a=0;return e.length&&(void 0!==e[0].duration&&(i=1),void 0!==e[0].size&&(n=2),void 0!==e[0].flags&&(r=4),void 0!==e[0].compositionTimeOffset&&(a=8)),[0,0,i|n|r|a,1,(4278190080&e.length)>>>24,(16711680&e.length)>>>16,(65280&e.length)>>>8,255&e.length,(4278190080&t)>>>24,(16711680&t)>>>16,(65280&t)>>>8,255&t]},B=function(e,t){var i,n,r,a,s=e.samples||[];for(t+=20+16*s.length,t=U(s,t),(n=new Uint8Array(t.length+16*s.length)).set(t),i=t.length,a=0;a>>24,n[i++]=(16711680&r.duration)>>>16,n[i++]=(65280&r.duration)>>>8,n[i++]=255&r.duration,n[i++]=(4278190080&r.size)>>>24,n[i++]=(16711680&r.size)>>>16,n[i++]=(65280&r.size)>>>8,n[i++]=255&r.size,n[i++]=r.flags.isLeading<<2|r.flags.dependsOn,n[i++]=r.flags.isDependedOn<<6|r.flags.hasRedundancy<<4|r.flags.paddingValue<<1|r.flags.isNonSyncSample,n[i++]=61440&r.flags.degradationPriority,n[i++]=15&r.flags.degradationPriority,n[i++]=(4278190080&r.compositionTimeOffset)>>>24,n[i++]=(16711680&r.compositionTimeOffset)>>>16,n[i++]=(65280&r.compositionTimeOffset)>>>8,n[i++]=255&r.compositionTimeOffset;return u(T.trun,n)},F=function(e,t){var i,n,r,a,s=e.samples||[];for(t+=20+8*s.length,t=U(s,t),(i=new Uint8Array(t.length+8*s.length)).set(t),n=t.length,a=0;a>>24,i[n++]=(16711680&r.duration)>>>16,i[n++]=(65280&r.duration)>>>8,i[n++]=255&r.duration,i[n++]=(4278190080&r.size)>>>24,i[n++]=(16711680&r.size)>>>16,i[n++]=(65280&r.size)>>>8,i[n++]=255&r.size;return u(T.trun,i)},b=function(e,t){return("audio"===e.type?F:B)(e,t)};n=function(){return u(T.ftyp,S,w,S,E)};function W(e,t){var i={size:0,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0,degradationPriority:0,isNonSyncSample:1}};return i.dataOffset=t,i.compositionTimeOffset=e.pts-e.dts,i.duration=e.duration,i.size=4*e.length,i.size+=e.byteLength,e.keyFrame&&(i.flags.dependsOn=2,i.flags.isNonSyncSample=0),i}function G(e){for(var t=[];e--;)t.push(0);return t}function z(){var e,i;return X||(e={96e3:[ie,[227,64],G(154),[56]],88200:[ie,[231],G(170),[56]],64e3:[ie,[248,192],G(240),[56]],48e3:[ie,[255,192],G(268),[55,148,128],G(54),[112]],44100:[ie,[255,192],G(268),[55,163,128],G(84),[112]],32e3:[ie,[255,192],G(268),[55,234],G(226),[112]],24e3:[ie,[255,192],G(268),[55,255,128],G(268),[111,112],G(126),[224]],16e3:[ie,[255,192],G(268),[55,255,128],G(268),[111,255],G(269),[223,108],G(195),[1,192]],12e3:[ne,G(268),[3,127,248],G(268),[6,255,240],G(268),[13,255,224],G(268),[27,253,128],G(259),[56]],11025:[ne,G(268),[3,127,248],G(268),[6,255,240],G(268),[13,255,224],G(268),[27,255,192],G(268),[55,175,128],G(108),[112]],8e3:[ne,G(268),[3,121,16],G(47),[7]]},i=e,X=Object.keys(i).reduce(function(e,t){return e[t]=new Uint8Array(i[t].reduce(function(e,t){return e.concat(t)},[])),e},{})),X}var X,K=function(e){return u(T.mdat,e)},Y=We,Q=function(e){var t=n(),i=s(e),e=new Uint8Array(t.byteLength+i.byteLength);return e.set(t),e.set(i,t.byteLength),e},$=function(e){var t,i,n=[],r=[];for(r.byteLength=0,r.nalCount=0,r.duration=0,t=n.byteLength=0;t=i?e:(t.minSegmentDts=1/0,e.filter(function(e){return e.dts>=i&&(t.minSegmentDts=Math.min(t.minSegmentDts,e.dts),t.minSegmentPts=t.minSegmentDts,!0)}))},ge=function(e){for(var t,i=[],n=0;n=this.virtualRowCount&&"function"==typeof this.beforeRowOverflow&&this.beforeRowOverflow(e),0this.virtualRowCount;)this.rows.shift(),this.rowIdx--},Ae.prototype.isEmpty=function(){return 0===this.rows.length||1===this.rows.length&&""===this.rows[0]},Ae.prototype.addText=function(e){this.rows[this.rowIdx]+=e},Ae.prototype.backspace=function(){var e;this.isEmpty()||(e=this.rows[this.rowIdx],this.rows[this.rowIdx]=e.substr(0,e.length-1))};function Le(e,t,i){this.serviceNum=e,this.text="",this.currentWindow=new Ae(-1),this.windows=[],this.stream=i,"string"==typeof t&&this.createTextDecoder(t)}Le.prototype.init=function(e,t){this.startPts=e;for(var i=0;i<8;i++)this.windows[i]=new Ae(i),"function"==typeof t&&(this.windows[i].beforeRowOverflow=t)},Le.prototype.setCurrentWindow=function(e){this.currentWindow=this.windows[e]},Le.prototype.createTextDecoder=function(t){if("undefined"==typeof TextDecoder)this.stream.trigger("log",{level:"warn",message:"The `encoding` option is unsupported without TextDecoder support"});else try{this.textDecoder_=new TextDecoder(t)}catch(e){this.stream.trigger("log",{level:"warn",message:"TextDecoder could not be created with "+t+" encoding. "+e})}};var De=function e(t){t=t||{},e.prototype.init.call(this);var i,n=this,r=t.captionServices||{},a={};Object.keys(r).forEach(function(e){i=r[e],/^SERVICE/.test(e)&&(a[e]=i.encoding)}),this.serviceEncodings=a,this.current708Packet=null,this.services={},this.push=function(e){(3===e.type||null===n.current708Packet)&&n.new708Packet(),n.add708Bytes(e)}};De.prototype=new j,De.prototype.new708Packet=function(){null!==this.current708Packet&&this.push708Packet(),this.current708Packet={data:[],ptsVals:[]}},De.prototype.add708Bytes=function(e){var t=e.ccData,i=t>>>8,t=255&t;this.current708Packet.ptsVals.push(e.pts),this.current708Packet.data.push(i),this.current708Packet.data.push(t)},De.prototype.push708Packet=function(){var e,t=this.current708Packet,i=t.data,n=null,r=0,a=i[r++];for(t.seq=a>>6,t.sizeCode=63&a;r>5)&&0>5,t.rowLock=(16&n)>>4,t.columnLock=(8&n)>>3,t.priority=7&n,n=i[++e],t.relativePositioning=(128&n)>>7,t.anchorVertical=127&n,n=i[++e],t.anchorHorizontal=n,n=i[++e],t.anchorPoint=(240&n)>>4,t.rowCount=15&n,n=i[++e],t.columnCount=63&n,n=i[++e],t.windowStyle=(56&n)>>3,t.penStyle=7&n,t.virtualRowCount=t.rowCount+1,e},De.prototype.setWindowAttributes=function(e,t){var i=this.current708Packet.data,n=i[e],t=t.currentWindow.winAttr,n=i[++e];return t.fillOpacity=(192&n)>>6,t.fillRed=(48&n)>>4,t.fillGreen=(12&n)>>2,t.fillBlue=3&n,n=i[++e],t.borderType=(192&n)>>6,t.borderRed=(48&n)>>4,t.borderGreen=(12&n)>>2,t.borderBlue=3&n,n=i[++e],t.borderType+=(128&n)>>5,t.wordWrap=(64&n)>>6,t.printDirection=(48&n)>>4,t.scrollDirection=(12&n)>>2,t.justify=3&n,n=i[++e],t.effectSpeed=(240&n)>>4,t.effectDirection=(12&n)>>2,t.displayEffect=3&n,e},De.prototype.flushDisplayed=function(e,t){for(var i=[],n=0;n<8;n++)t.windows[n].visible&&!t.windows[n].isEmpty()&&i.push(t.windows[n].getText());t.endPts=e,t.text=i.join("\n\n"),this.pushCaption(t),t.startPts=e},De.prototype.pushCaption=function(e){""!==e.text&&(this.trigger("data",{startPts:e.startPts,endPts:e.endPts,text:e.text,stream:"cc708_"+e.serviceNum}),e.text="",e.startPts=e.endPts)},De.prototype.displayWindows=function(e,t){var i=this.current708Packet.data[++e],n=this.getPts(e);this.flushDisplayed(n,t);for(var r=0;r<8;r++)i&1<>4,t.offset=(12&n)>>2,t.penSize=3&n,n=i[++e],t.italics=(128&n)>>7,t.underline=(64&n)>>6,t.edgeType=(56&n)>>3,t.fontStyle=7&n,e},De.prototype.setPenColor=function(e,t){var i=this.current708Packet.data,n=i[e],t=t.currentWindow.penColor,n=i[++e];return t.fgOpacity=(192&n)>>6,t.fgRed=(48&n)>>4,t.fgGreen=(12&n)>>2,t.fgBlue=3&n,n=i[++e],t.bgOpacity=(192&n)>>6,t.bgRed=(48&n)>>4,t.bgGreen=(12&n)>>2,t.bgBlue=3&n,n=i[++e],t.edgeRed=(48&n)>>4,t.edgeGreen=(12&n)>>2,t.edgeBlue=3&n,e},De.prototype.setPenLocation=function(e,t){var i=this.current708Packet.data,n=i[e],r=t.currentWindow.penLoc;return t.currentWindow.pendingNewLine=!0,n=i[++e],r.row=15&n,n=i[++e],r.column=63&n,e},De.prototype.reset=function(e,t){var i=this.getPts(e);return this.flushDisplayed(i,t),this.initService(t.serviceNum,e)};function Oe(e){return null===e?"":(e=Re[e]||e,String.fromCharCode(e))}function Me(){for(var e=[],t=15;t--;)e.push("");return e}var Re={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},Ne=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],Ue=function e(t,i){e.prototype.init.call(this),this.field_=t||0,this.dataChannel_=i||0,this.name_="CC"+(1+(this.field_<<1|this.dataChannel_)),this.setConstants(),this.reset(),this.push=function(e){var t,i,n,r,a=32639&e.ccData;a!==this.lastControlCode_?(4096==(61440&a)?this.lastControlCode_=a:a!==this.PADDING_&&(this.lastControlCode_=null),t=a>>>8,i=255&a,a===this.PADDING_||(a===this.RESUME_CAPTION_LOADING_?this.mode_="popOn":a===this.END_OF_CAPTION_?(this.mode_="popOn",this.clearFormatting(e.pts),this.flushDisplayed(e.pts),r=this.displayed_,this.displayed_=this.nonDisplayed_,this.nonDisplayed_=r,this.startPts_=e.pts):a===this.ROLL_UP_2_ROWS_?(this.rollUpRows_=2,this.setRollUp(e.pts)):a===this.ROLL_UP_3_ROWS_?(this.rollUpRows_=3,this.setRollUp(e.pts)):a===this.ROLL_UP_4_ROWS_?(this.rollUpRows_=4,this.setRollUp(e.pts)):a===this.CARRIAGE_RETURN_?(this.clearFormatting(e.pts),this.flushDisplayed(e.pts),this.shiftRowsUp_(),this.startPts_=e.pts):a===this.BACKSPACE_?"popOn"===this.mode_?this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1):this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1):a===this.ERASE_DISPLAYED_MEMORY_?(this.flushDisplayed(e.pts),this.displayed_=Me()):a===this.ERASE_NON_DISPLAYED_MEMORY_?this.nonDisplayed_=Me():a===this.RESUME_DIRECT_CAPTIONING_?("paintOn"!==this.mode_&&(this.flushDisplayed(e.pts),this.displayed_=Me()),this.mode_="paintOn",this.startPts_=e.pts):this.isSpecialCharacter(t,i)?(n=Oe((t=(3&t)<<8)|i),this[this.mode_](e.pts,n),this.column_++):this.isExtCharacter(t,i)?("popOn"===this.mode_?this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1):this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1),n=Oe((t=(3&t)<<8)|i),this[this.mode_](e.pts,n),this.column_++):this.isMidRowCode(t,i)?(this.clearFormatting(e.pts),this[this.mode_](e.pts," "),this.column_++,14==(14&i)&&this.addFormatting(e.pts,["i"]),1==(1&i)&&this.addFormatting(e.pts,["u"])):this.isOffsetControlCode(t,i)?this.column_+=3&i:this.isPAC(t,i)?(r=Ne.indexOf(7968&a),"rollUp"===this.mode_&&(r-this.rollUpRows_+1<0&&(r=this.rollUpRows_-1),this.setRollUp(e.pts,r)),r!==this.row_&&(this.clearFormatting(e.pts),this.row_=r),1&i&&-1===this.formatting_.indexOf("u")&&this.addFormatting(e.pts,["u"]),16==(16&a)&&(this.column_=4*((14&a)>>1)),this.isColorPAC(i)&&14==(14&i)&&this.addFormatting(e.pts,["i"])):this.isNormalChar(t)&&(0===i&&(i=null),n=Oe(t),n+=Oe(i),this[this.mode_](e.pts,n),this.column_+=n.length))):this.lastControlCode_=null}};Ue.prototype=new j,Ue.prototype.flushDisplayed=function(e){var t=this.displayed_.map(function(e,t){try{return e.trim()}catch(e){return this.trigger("log",{level:"warn",message:"Skipping a malformed 608 caption at index "+t+"."}),""}},this).join("\n").replace(/^\n+|\n+$/g,"");t.length&&this.trigger("data",{startPts:this.startPts_,endPts:e,text:t,stream:this.name_})},Ue.prototype.reset=function(){this.mode_="popOn",this.topRow_=0,this.startPts_=0,this.displayed_=Me(),this.nonDisplayed_=Me(),this.lastControlCode_=null,this.column_=0,this.row_=14,this.rollUpRows_=2,this.formatting_=[]},Ue.prototype.setConstants=function(){0===this.dataChannel_?(this.BASE_=16,this.EXT_=17,this.CONTROL_=(20|this.field_)<<8,this.OFFSET_=23):1===this.dataChannel_&&(this.BASE_=24,this.EXT_=25,this.CONTROL_=(28|this.field_)<<8,this.OFFSET_=31),this.PADDING_=0,this.RESUME_CAPTION_LOADING_=32|this.CONTROL_,this.END_OF_CAPTION_=47|this.CONTROL_,this.ROLL_UP_2_ROWS_=37|this.CONTROL_,this.ROLL_UP_3_ROWS_=38|this.CONTROL_,this.ROLL_UP_4_ROWS_=39|this.CONTROL_,this.CARRIAGE_RETURN_=45|this.CONTROL_,this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_,this.BACKSPACE_=33|this.CONTROL_,this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_,this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_},Ue.prototype.isSpecialCharacter=function(e,t){return e===this.EXT_&&48<=t&&t<=63},Ue.prototype.isExtCharacter=function(e,t){return(e===this.EXT_+1||e===this.EXT_+2)&&32<=t&&t<=63},Ue.prototype.isMidRowCode=function(e,t){return e===this.EXT_&&32<=t&&t<=47},Ue.prototype.isOffsetControlCode=function(e,t){return e===this.OFFSET_&&33<=t&&t<=35},Ue.prototype.isPAC=function(e,t){return e>=this.BASE_&&e"},"");this[this.mode_](e,t)},Ue.prototype.clearFormatting=function(e){var t;this.formatting_.length&&(t=this.formatting_.reverse().reduce(function(e,t){return e+""},""),this.formatting_=[],this[this.mode_](e,t))},Ue.prototype.popOn=function(e,t){var i=this.nonDisplayed_[this.row_];this.nonDisplayed_[this.row_]=i+=t},Ue.prototype.rollUp=function(e,t){var i=this.displayed_[this.row_];this.displayed_[this.row_]=i+=t},Ue.prototype.shiftRowsUp_=function(){for(var e=0;e>>2,s*=4,s+=3&a[7],o.timeStamp=s,void 0===t.pts&&void 0===t.dts&&(t.pts=o.timeStamp,t.dts=o.timeStamp),this.trigger("timestamp",o))),t.frames.push(o),i+=10,(i+=n)>>4&&(i+=e[i]+1),0===t.pid)t.type="pat",n(e.subarray(i),t),this.trigger("data",t);else if(t.pid===this.pmtPid)for(t.type="pmt",n(e.subarray(i),t),this.trigger("data",t);this.packetsWaitingForPmt.length;)this.processPes_.apply(this,this.packetsWaitingForPmt.shift());else void 0===this.programMapTable?this.packetsWaitingForPmt.push([e,i,t]):this.processPes_(e,i,t)},this.processPes_=function(e,t,i){i.pid===this.programMapTable.video?i.streamType=je.H264_STREAM_TYPE:i.pid===this.programMapTable.audio?i.streamType=je.ADTS_STREAM_TYPE:i.streamType=this.programMapTable["timed-metadata"][i.pid],i.type="pes",i.data=e.subarray(t),this.trigger("data",i)}}).prototype=new j,Xe.STREAM_TYPES={h264:27,adts:15},(Ke=function(){function n(e,t,i){var n,r,a,s,o=new Uint8Array(e.size),u={type:t},l=0,c=0;if(e.data.length&&!(e.size<9)){for(u.trackId=e.data[0].pid,l=0;l>>3,a.pts*=4,a.pts+=(6&r[13])>>>1,a.dts=a.pts,64&s&&(a.dts=(14&r[14])<<27|(255&r[15])<<20|(254&r[16])<<12|(255&r[17])<<5|(254&r[18])>>>3,a.dts*=4,a.dts+=(6&r[18])>>>1)),a.data=r.subarray(9+r[8])),t="video"===t||u.packetLength<=e.size,(i||t)&&(e.size=0,e.data.length=0),t&&d.trigger("data",u)}}var t,d=this,r=!1,a={data:[],size:0},s={data:[],size:0},o={data:[],size:0};Ke.prototype.init.call(this),this.push=function(i){({pat:function(){},pes:function(){var e,t;switch(i.streamType){case je.H264_STREAM_TYPE:e=a,t="video";break;case je.ADTS_STREAM_TYPE:e=s,t="audio";break;case je.METADATA_STREAM_TYPE:e=o,t="timed-metadata";break;default:return}i.payloadUnitStartIndicator&&n(e,t,!0),e.data.push(i),e.size+=i.data.byteLength},pmt:function(){var e={type:"metadata",tracks:[]};null!==(t=i.programMapTable).video&&e.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+t.video,codec:"avc",type:"video"}),null!==t.audio&&e.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+t.audio,codec:"adts",type:"audio"}),r=!0,d.trigger("data",e)}})[i.type]()},this.reset=function(){a.size=0,a.data.length=0,s.size=0,s.data.length=0,this.trigger("reset")},this.flushStreams_=function(){n(a,"video"),n(s,"audio"),n(o,"timed-metadata")},this.flush=function(){var e;!r&&t&&(e={type:"metadata",tracks:[]},null!==t.video&&e.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+t.video,codec:"avc",type:"video"}),null!==t.audio&&e.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+t.audio,codec:"adts",type:"audio"}),d.trigger("data",e)),r=!1,this.flushStreams_(),this.trigger("done")}}).prototype=new j;var Qe,$e={PAT_PID:0,MP2T_PACKET_LENGTH:188,TransportPacketStream:Ye,TransportParseStream:Xe,ElementaryStream:Ke,TimestampRolloverStream:We,CaptionStream:Fe.CaptionStream,Cea608Stream:Fe.Cea608Stream,Cea708Stream:Fe.Cea708Stream,MetadataStream:e};for(Qe in je)je.hasOwnProperty(Qe)&&($e[Qe]=je[Qe]);var Je=$e,Ze=ue,et=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],tt=function(u){var l,c=0;tt.prototype.init.call(this),this.skipWarn_=function(e,t){this.trigger("log",{level:"warn",message:"adts skiping bytes "+e+" to "+t+" in frame "+c+" outside syncword"})},this.push=function(e){var t,i,n,r,a,s,o=0;if(u||(c=0),"audio"===e.type){for(l&&l.length?(n=l,(l=new Uint8Array(n.byteLength+e.data.byteLength)).set(n),l.set(e.data,n.byteLength)):l=e.data;o+7>5,a=(r=1024*(1+(3&l[o+6])))*Ze/et[(60&l[o+2])>>>2],l.byteLength-o>>6&3),channelcount:(1&l[o+2])<<2|(192&l[o+3])>>>6,samplerate:et[(60&l[o+2])>>>2],samplingfrequencyindex:(60&l[o+2])>>>2,samplesize:16,data:l.subarray(o+7+i,o+t)}),c++,o+=t}else"number"!=typeof s&&(s=o),o++;"number"==typeof s&&(this.skipWarn_(s,o),s=null),l=l.subarray(o)}},this.flush=function(){c=0,this.trigger("done")},this.reset=function(){l=void 0,this.trigger("reset")},this.endTimeline=function(){l=void 0,this.trigger("endedtimeline")}};tt.prototype=new j;var it,nt,rt=tt,at=function(n){var r=n.byteLength,a=0,s=0;this.length=function(){return 8*r},this.bitsAvailable=function(){return 8*r+s},this.loadWord=function(){var e=n.byteLength-r,t=new Uint8Array(4),i=Math.min(4,r);if(0===i)throw new Error("no bytes available");t.set(n.subarray(e,e+i)),a=new DataView(t.buffer).getUint32(0),s=8*i,r-=i},this.skipBits=function(e){var t;e>>32-t;return 0<(s-=t)?a<<=t:0>>e))return a<<=e,s-=e,e;return this.loadWord(),e+this.skipLeadingZeros()},this.skipUnsignedExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())},this.skipExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())},this.readUnsignedExpGolomb=function(){var e=this.skipLeadingZeros();return this.readBits(e+1)-1},this.readExpGolomb=function(){var e=this.readUnsignedExpGolomb();return 1&e?1+e>>>1:-1*(e>>>1)},this.readBoolean=function(){return 1===this.readBits(1)},this.readUnsignedByte=function(){return this.readBits(8)},this.loadWord()},st=function(){var n,r,a=0;st.prototype.init.call(this),this.push=function(e){for(var t,i=(r=r?((t=new Uint8Array(r.byteLength+e.data.byteLength)).set(r),t.set(e.data,r.byteLength),t):e.data).byteLength;a>4?i+20:i+10}function ut(e,t){return e.length-t<10||e[t]!=="I".charCodeAt(0)||e[t+1]!=="D".charCodeAt(0)||e[t+2]!=="3".charCodeAt(0)?t:ut(e,t+=ot(e,t))}function lt(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]}var e={H264Stream:it,NalByteStream:st},ct=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],dt={isLikelyAacData:function(e){var t=ut(e,0);return e.length>=t+2&&255==(255&e[t])&&240==(240&e[t+1])&&16==(22&e[t+1])},parseId3TagSize:ot,parseAdtsSize:function(e,t){var i=(224&e[t+5])>>5,n=e[t+4]<<3;return 6144&e[t+3]|n|i},parseType:function(e,t){return e[t]==="I".charCodeAt(0)&&e[t+1]==="D".charCodeAt(0)&&e[t+2]==="3".charCodeAt(0)?"timed-metadata":!0&e[t]&&240==(240&e[t+1])?"audio":null},parseSampleRate:function(e){for(var t=0;t+5>>2];t++}return null},parseAacTimestamp:function(e){var t,i=10;64&e[5]&&(i+=4,i+=lt(e.subarray(10,14)));do{if((t=lt(e.subarray(i+4,i+8)))<1)return null;if("PRIV"===String.fromCharCode(e[i],e[i+1],e[i+2],e[i+3]))for(var n=e.subarray(i+10,i+t+10),r=0;r>>2;return s*=4,s+=3&a[7]}}while(i+=10,(i+=t)a.length)break;t={type:"audio",data:a.subarray(r,r+n),pts:s,dts:s},this.trigger("data",t),r+=n}else{if(a.length-r<10)break;if(r+(n=dt.parseId3TagSize(a,r))>a.length)break;t={type:"timed-metadata",data:a.subarray(r,r+n)},this.trigger("data",t),r+=n}e=a.length-r,a=0i.pts?u++:(t++,a-=n.byteLength,s-=n.nalCount,o-=n.duration);return 0===t?e:t===e.length?null:((r=e.slice(t)).byteLength=a,r.duration=o,r.nalCount=s,r.pts=r[0].pts,r.dts=r[0].dts,r)},this.alignGopsAtEnd_=function(e){for(var t,i,n=l.length-1,r=e.length-1,a=null,s=!1;0<=n&&0<=r;){if(t=l[n],i=e[r],t.pts===i.pts){s=!0;break}t.pts>i.pts?n--:(n===l.length-1&&(a=r),r--)}if(!s&&null===a)return null;if(0===(u=s?r:a))return e;var o=e.slice(u),u=o.reduce(function(e,t){return e.byteLength+=t.byteLength,e.duration+=t.duration,e.nalCount+=t.nalCount,e},{byteLength:0,duration:0,nalCount:0});return o.byteLength=u.byteLength,o.duration=u.duration,o.nalCount=u.nalCount,o.pts=o[0].pts,o.dts=o[0].dts,o},this.alignGopsWith=function(e){l=e}}).prototype=new j,(_t=function(e,t){this.numberOfTracks=0,this.metadataStream=t,"undefined"!=typeof(e=e||{}).remux?this.remuxTracks=!!e.remux:this.remuxTracks=!0,"boolean"==typeof e.keepOriginalTimestamps?this.keepOriginalTimestamps=e.keepOriginalTimestamps:this.keepOriginalTimestamps=!1,this.pendingTracks=[],this.videoTrack=null,this.pendingBoxes=[],this.pendingCaptions=[],this.pendingMetadata=[],this.pendingBytes=0,this.emittedTracks=0,_t.prototype.init.call(this),this.push=function(e){return e.text?this.pendingCaptions.push(e):e.frames?this.pendingMetadata.push(e):(this.pendingTracks.push(e.track),this.pendingBytes+=e.boxes.byteLength,"video"===e.track.type&&(this.videoTrack=e.track,this.pendingBoxes.push(e.boxes)),void("audio"===e.track.type&&(this.audioTrack=e.track,this.pendingBoxes.unshift(e.boxes))))}}).prototype=new j,_t.prototype.flush=function(e){var t,i,n,r=0,a={captions:[],captionStreams:{},metadata:[],info:{}},s=0;if(this.pendingTracks.length=this.numberOfTracks&&(this.trigger("done"),this.emittedTracks=0))}if(this.videoTrack?(s=this.videoTrack.timelineStartInfo.pts,St.forEach(function(e){a.info[e]=this.videoTrack[e]},this)):this.audioTrack&&(s=this.audioTrack.timelineStartInfo.pts,Tt.forEach(function(e){a.info[e]=this.audioTrack[e]},this)),this.videoTrack||this.audioTrack){for(1===this.pendingTracks.length?a.type=this.pendingTracks[0].type:a.type="combined",this.emittedTracks+=this.pendingTracks.length,e=Q(this.pendingTracks),a.initSegment=new Uint8Array(e.byteLength),a.initSegment.set(e),a.data=new Uint8Array(this.pendingBytes),n=0;n=this.numberOfTracks&&(this.trigger("done"),this.emittedTracks=0)},_t.prototype.setRemux=function(e){this.remuxTracks=e},(vt=function(n){var r,a,s=this,i=!0;vt.prototype.init.call(this),this.baseMediaDecodeTime=(n=n||{}).baseMediaDecodeTime||0,this.transmuxPipeline_={},this.setupAacPipeline=function(){var t={};(this.transmuxPipeline_=t).type="aac",t.metadataStream=new Je.MetadataStream,t.aacStream=new bt,t.audioTimestampRolloverStream=new Je.TimestampRolloverStream("audio"),t.timedMetadataTimestampRolloverStream=new Je.TimestampRolloverStream("timed-metadata"),t.adtsStream=new rt,t.coalesceStream=new _t(n,t.metadataStream),t.headOfPipeline=t.aacStream,t.aacStream.pipe(t.audioTimestampRolloverStream).pipe(t.adtsStream),t.aacStream.pipe(t.timedMetadataTimestampRolloverStream).pipe(t.metadataStream).pipe(t.coalesceStream),t.metadataStream.on("timestamp",function(e){t.aacStream.setTimestamp(e.timeStamp)}),t.aacStream.on("data",function(e){"timed-metadata"!==e.type&&"audio"!==e.type||t.audioSegmentStream||(a=a||{timelineStartInfo:{baseMediaDecodeTime:s.baseMediaDecodeTime},codec:"adts",type:"audio"},t.coalesceStream.numberOfTracks++,t.audioSegmentStream=new Ct(a,n),t.audioSegmentStream.on("log",s.getLogTrigger_("audioSegmentStream")),t.audioSegmentStream.on("timingInfo",s.trigger.bind(s,"audioTimingInfo")),t.adtsStream.pipe(t.audioSegmentStream).pipe(t.coalesceStream),s.trigger("trackinfo",{hasAudio:!!a,hasVideo:!!r}))}),t.coalesceStream.on("data",this.trigger.bind(this,"data")),t.coalesceStream.on("done",this.trigger.bind(this,"done")),ft(this,t)},this.setupTsPipeline=function(){var i={};(this.transmuxPipeline_=i).type="ts",i.metadataStream=new Je.MetadataStream,i.packetStream=new Je.TransportPacketStream,i.parseStream=new Je.TransportParseStream,i.elementaryStream=new Je.ElementaryStream,i.timestampRolloverStream=new Je.TimestampRolloverStream,i.adtsStream=new rt,i.h264Stream=new wt,i.captionStream=new Je.CaptionStream(n),i.coalesceStream=new _t(n,i.metadataStream),i.headOfPipeline=i.packetStream,i.packetStream.pipe(i.parseStream).pipe(i.elementaryStream).pipe(i.timestampRolloverStream),i.timestampRolloverStream.pipe(i.h264Stream),i.timestampRolloverStream.pipe(i.adtsStream),i.timestampRolloverStream.pipe(i.metadataStream).pipe(i.coalesceStream),i.h264Stream.pipe(i.captionStream).pipe(i.coalesceStream),i.elementaryStream.on("data",function(e){var t;if("metadata"===e.type){for(t=e.tracks.length;t--;)r||"video"!==e.tracks[t].type?a||"audio"!==e.tracks[t].type||((a=e.tracks[t]).timelineStartInfo.baseMediaDecodeTime=s.baseMediaDecodeTime):(r=e.tracks[t]).timelineStartInfo.baseMediaDecodeTime=s.baseMediaDecodeTime;r&&!i.videoSegmentStream&&(i.coalesceStream.numberOfTracks++,i.videoSegmentStream=new yt(r,n),i.videoSegmentStream.on("log",s.getLogTrigger_("videoSegmentStream")),i.videoSegmentStream.on("timelineStartInfo",function(e){a&&!n.keepOriginalTimestamps&&(a.timelineStartInfo=e,i.audioSegmentStream.setEarliestDts(e.dts-s.baseMediaDecodeTime))}),i.videoSegmentStream.on("processedGopsInfo",s.trigger.bind(s,"gopInfo")),i.videoSegmentStream.on("segmentTimingInfo",s.trigger.bind(s,"videoSegmentTimingInfo")),i.videoSegmentStream.on("baseMediaDecodeTime",function(e){a&&i.audioSegmentStream.setVideoBaseMediaDecodeTime(e)}),i.videoSegmentStream.on("timingInfo",s.trigger.bind(s,"videoTimingInfo")),i.h264Stream.pipe(i.videoSegmentStream).pipe(i.coalesceStream)),a&&!i.audioSegmentStream&&(i.coalesceStream.numberOfTracks++,i.audioSegmentStream=new Ct(a,n),i.audioSegmentStream.on("log",s.getLogTrigger_("audioSegmentStream")),i.audioSegmentStream.on("timingInfo",s.trigger.bind(s,"audioTimingInfo")),i.audioSegmentStream.on("segmentTimingInfo",s.trigger.bind(s,"audioSegmentTimingInfo")),i.adtsStream.pipe(i.audioSegmentStream).pipe(i.coalesceStream)),s.trigger("trackinfo",{hasAudio:!!a,hasVideo:!!r})}}),i.coalesceStream.on("data",this.trigger.bind(this,"data")),i.coalesceStream.on("id3Frame",function(e){e.dispatchType=i.metadataStream.dispatchType,s.trigger("id3Frame",e)}),i.coalesceStream.on("caption",this.trigger.bind(this,"caption")),i.coalesceStream.on("done",this.trigger.bind(this,"done")),ft(this,i)},this.setBaseMediaDecodeTime=function(e){var t=this.transmuxPipeline_;n.keepOriginalTimestamps||(this.baseMediaDecodeTime=e),a&&(a.timelineStartInfo.dts=void 0,a.timelineStartInfo.pts=void 0,_e(a),t.audioTimestampRolloverStream&&t.audioTimestampRolloverStream.discontinuity()),r&&(t.videoSegmentStream&&(t.videoSegmentStream.gopCache_=[]),r.timelineStartInfo.dts=void 0,r.timelineStartInfo.pts=void 0,_e(r),t.captionStream.reset()),t.timestampRolloverStream&&t.timestampRolloverStream.discontinuity()},this.setAudioAppendStart=function(e){a&&this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(e)},this.setRemux=function(e){var t=this.transmuxPipeline_;n.remux=e,t&&t.coalesceStream&&t.coalesceStream.setRemux(e)},this.alignGopsWith=function(e){r&&this.transmuxPipeline_.videoSegmentStream&&this.transmuxPipeline_.videoSegmentStream.alignGopsWith(e)},this.getLogTrigger_=function(t){var i=this;return function(e){e.stream=t,i.trigger("log",e)}},this.push=function(e){var t;i&&((t=Et(e))&&"aac"!==this.transmuxPipeline_.type?this.setupAacPipeline():t||"ts"===this.transmuxPipeline_.type||this.setupTsPipeline(),i=!1),this.transmuxPipeline_.headOfPipeline.push(e)},this.flush=function(){i=!0,this.transmuxPipeline_.headOfPipeline.flush()},this.endTimeline=function(){this.transmuxPipeline_.headOfPipeline.endTimeline()},this.reset=function(){this.transmuxPipeline_.headOfPipeline&&this.transmuxPipeline_.headOfPipeline.reset()},this.resetCaptions=function(){this.transmuxPipeline_.captionStream&&this.transmuxPipeline_.captionStream.reset()}}).prototype=new j;function It(e,c){var i=Rt(e,["moof","traf"]),e=Rt(e,["mdat"]),d={},n=[];return e.forEach(function(e,t){t=i[t];n.push({mdat:e,traf:t})}),n.forEach(function(e){var t,i,n,r,a,s=e.mdat,o=e.traf,u=Rt(o,["tfhd"]),l=Ht(u[0]),e=l.trackId,u=Rt(o,["tfdt"]),u=0>>4&&(t+=e[4]+1),t}function Lt(e){switch(e){case 5:return"slice_layer_without_partitioning_rbsp_idr";case 6:return"sei_rbsp";case 7:return"seq_parameter_set_rbsp";case 8:return"pic_parameter_set_rbsp";case 9:return"access_unit_delimiter_rbsp";default:return null}}var Dt={Transmuxer:vt,VideoSegmentStream:yt,AudioSegmentStream:Ct,AUDIO_PROPERTIES:Tt,VIDEO_PROPERTIES:St,generateSegmentTimingInfo:gt},e=function(e){return e>>>0},Ot=function(e){var t="";return t+=String.fromCharCode(e[0]),t+=String.fromCharCode(e[1]),t+=String.fromCharCode(e[2]),t+=String.fromCharCode(e[3])},Mt=e,Rt=function e(t,i){var n,r,a,s=[];if(!i.length)return null;for(n=0;n>>2,dependsOn:3&e[0],isDependedOn:(192&e[1])>>>6,hasRedundancy:(48&e[1])>>>4,paddingValue:(14&e[1])>>>1,isNonSyncSample:1&e[1],degradationPriority:e[2]<<8|e[3]}},jt=function(e){var t,i={version:e[0],flags:new Uint8Array(e.subarray(1,4)),samples:[]},n=new DataView(e.buffer,e.byteOffset,e.byteLength),r=1&i.flags[2],a=4&i.flags[2],s=1&i.flags[1],o=2&i.flags[1],u=4&i.flags[1],l=8&i.flags[1],c=n.getUint32(4),d=8;for(r&&(i.dataOffset=n.getInt32(d),d+=4),a&&c&&(t={flags:Ft(e.subarray(d,d+4))},d+=4,s&&(t.duration=n.getUint32(d),d+=4),o&&(t.size=n.getUint32(d),d+=4),l&&(1===i.version?t.compositionTimeOffset=n.getInt32(d):t.compositionTimeOffset=n.getUint32(d),d+=4),i.samples.push(t),c--);c--;)t={},s&&(t.duration=n.getUint32(d),d+=4),o&&(t.size=n.getUint32(d),d+=4),u&&(t.flags=Ft(e.subarray(d,d+4)),d+=4),l&&(1===i.version?t.compositionTimeOffset=n.getInt32(d):t.compositionTimeOffset=n.getUint32(d),d+=4),i.samples.push(t);return i},Ht=function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),i={version:e[0],flags:new Uint8Array(e.subarray(1,4)),trackId:t.getUint32(4)},n=1&i.flags[2],r=2&i.flags[2],a=8&i.flags[2],s=16&i.flags[2],o=32&i.flags[2],u=65536&i.flags[0],l=131072&i.flags[0],e=8;return n&&(e+=4,i.baseDataOffset=t.getUint32(12),e+=4),r&&(i.sampleDescriptionIndex=t.getUint32(e),e+=4),a&&(i.defaultSampleDuration=t.getUint32(e),e+=4),s&&(i.defaultSampleSize=t.getUint32(e),e+=4),o&&(i.defaultSampleFlags=t.getUint32(e)),u&&(i.durationIsEmpty=!0),!n&&l&&(i.baseDataOffsetIsMoof=!0),i},j="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{},j="undefined"!=typeof window?window:"undefined"!=typeof j?j:"undefined"!=typeof self?self:{},qt=j,Vt=ke,Wt=Fe.CaptionStream,Gt=function(){var t,r,a,s,o,i,n=!1;this.isInitialized=function(){return n},this.init=function(e){t=new Wt,n=!0,i=!!e&&e.isPartial,t.on("data",function(e){e.startTime=e.startPts/s,e.endTime=e.endPts/s,o.captions.push(e),o.captionStreams[e.stream]=!0}),t.on("log",function(e){o.logs.push(e)})},this.isNewInit=function(e,t){return!(e&&0===e.length||t&&"object"==typeof t&&0===Object.keys(t).length)&&(a!==e[0]||s!==t[a])},this.parse=function(e,t,i){if(!this.isInitialized())return null;if(!t||!i)return null;if(this.isNewInit(t,i))a=t[0],s=i[a];else if(null===a||!s)return r.push(e),null;for(;0>>2&63).replace(/^0/,"")):t.codec="mp4a.40.2"):t.codec=t.codec.toLowerCase()));e=Rt(e,["mdia","mdhd"])[0];e&&(t.timescale=Yt(e)),s.push(t)}),s},Qt=ke,$t=q,Jt=Ie,Zt={};Zt.ts={parseType:function(e,t){e=xt(e);return 0===e?"pat":e===t?"pmt":t?"pes":null},parsePat:function(e){var t=At(e),i=4+Pt(e);return t&&(i+=e[i]+1),(31&e[i+10])<<8|e[i+11]},parsePmt:function(e){var t={},i=At(e),n=4+Pt(e);if(i&&(n+=e[n]+1),1&e[n+5]){for(var r=3+((15&e[n+1])<<8|e[n+2])-4,a=12+((15&e[n+10])<<8|e[n+11]);a=e.byteLength)return null;var i=null,n=e[t+7];return 192&n&&((i={}).pts=(14&e[t+9])<<27|(255&e[t+10])<<20|(254&e[t+11])<<12|(255&e[t+12])<<5|(254&e[t+13])>>>3,i.pts*=4,i.pts+=(6&e[t+13])>>>1,i.dts=i.pts,64&n&&(i.dts=(14&e[t+14])<<27|(255&e[t+15])<<20|(254&e[t+16])<<12|(255&e[t+17])<<5|(254&e[t+18])>>>3,i.dts*=4,i.dts+=(6&e[t+18])>>>1)),i},videoPacketContainsKeyFrame:function(e){for(var t=4+Pt(e),i=e.subarray(t),n=0,r=0,a=!1;re.length){i=!0;break}null===a&&(t=e.subarray(o,o+s),a=Zt.aac.parseAacTimestamp(t)),o+=s;break;case"audio":if(e.length-o<7){i=!0;break}if((s=Zt.aac.parseAdtsSize(e,o))>e.length){i=!0;break}null===r&&(t=e.subarray(o,o+s),r=Zt.aac.parseSampleRate(t)),n++,o+=s;break;default:o++}if(i)return null}if(null===r||null===a)return null;var u=ii/r;return{audio:[{type:"audio",dts:a,pts:a},{type:"audio",dts:a+1024*n*u,pts:a+1024*n*u}]}}:ti)(e);return r&&(r.audio||r.video)?(e=t,(t=r).audio&&t.audio.length&&("undefined"!=typeof(i=e)&&!isNaN(i)||(i=t.audio[0].dts),t.audio.forEach(function(e){e.dts=Jt(e.dts,i),e.pts=Jt(e.pts,i),e.dtsTime=e.dts/ii,e.ptsTime=e.pts/ii})),t.video&&t.video.length&&("undefined"!=typeof(n=e)&&!isNaN(n)||(n=t.video[0].dts),t.video.forEach(function(e){e.dts=Jt(e.dts,n),e.pts=Jt(e.pts,n),e.dtsTime=e.dts/ii,e.ptsTime=e.pts/ii}),t.firstKeyFrame&&((t=t.firstKeyFrame).dts=Jt(t.dts,n),t.pts=Jt(t.pts,n),t.dtsTime=t.dts/ii,t.ptsTime=t.pts/ii)),r):null},ri=function(){function e(e,t){this.options=t||{},this.self=e,this.init()}var t=e.prototype;return t.init=function(){var i,e;this.transmuxer&&this.transmuxer.dispose(),this.transmuxer=new Dt.Transmuxer(this.options),i=this.self,(e=this.transmuxer).on("data",function(e){var t=e.initSegment;e.initSegment={data:t.buffer,byteOffset:t.byteOffset,byteLength:t.byteLength};t=e.data;e.data=t.buffer,i.postMessage({action:"data",segment:e,byteOffset:t.byteOffset,byteLength:t.byteLength},[e.data])}),e.on("done",function(e){i.postMessage({action:"done"})}),e.on("gopInfo",function(e){i.postMessage({action:"gopInfo",gopInfo:e})}),e.on("videoSegmentTimingInfo",function(e){var t={start:{decode:ce(e.start.dts),presentation:ce(e.start.pts)},end:{decode:ce(e.end.dts),presentation:ce(e.end.pts)},baseMediaDecodeTime:ce(e.baseMediaDecodeTime)};e.prependedContentDuration&&(t.prependedContentDuration=ce(e.prependedContentDuration)),i.postMessage({action:"videoSegmentTimingInfo",videoSegmentTimingInfo:t})}),e.on("audioSegmentTimingInfo",function(e){var t={start:{decode:ce(e.start.dts),presentation:ce(e.start.pts)},end:{decode:ce(e.end.dts),presentation:ce(e.end.pts)},baseMediaDecodeTime:ce(e.baseMediaDecodeTime)};e.prependedContentDuration&&(t.prependedContentDuration=ce(e.prependedContentDuration)),i.postMessage({action:"audioSegmentTimingInfo",audioSegmentTimingInfo:t})}),e.on("id3Frame",function(e){i.postMessage({action:"id3Frame",id3Frame:e})}),e.on("caption",function(e){i.postMessage({action:"caption",caption:e})}),e.on("trackinfo",function(e){i.postMessage({action:"trackinfo",trackInfo:e})}),e.on("audioTimingInfo",function(e){i.postMessage({action:"audioTimingInfo",audioTimingInfo:{start:ce(e.start),end:ce(e.end)}})}),e.on("videoTimingInfo",function(e){i.postMessage({action:"videoTimingInfo",videoTimingInfo:{start:ce(e.start),end:ce(e.end)}})}),e.on("log",function(e){i.postMessage({action:"log",log:e})})},t.pushMp4Captions=function(e){this.captionParser||(this.captionParser=new Gt,this.captionParser.init());var t=new Uint8Array(e.data,e.byteOffset,e.byteLength),e=this.captionParser.parse(t,e.trackIds,e.timescales);this.self.postMessage({action:"mp4Captions",captions:e&&e.captions||[],logs:e&&e.logs||[],data:t.buffer},[t.buffer])},t.probeMp4StartTime=function(e){var t=e.timescales,e=e.data,t=Qt(t,e);this.self.postMessage({action:"probeMp4StartTime",startTime:t,data:e},[e.buffer])},t.probeMp4Tracks=function(e){var t=e.data,e=$t(t);this.self.postMessage({action:"probeMp4Tracks",tracks:e,data:t},[t.buffer])},t.probeTs=function(e){var t=e.data,i=e.baseStartTime,e="number"!=typeof i||isNaN(i)?void 0:i*ue,i=ni(t,e),e=null;i&&((e={hasVideo:i.video&&2===i.video.length||!1,hasAudio:i.audio&&2===i.audio.length||!1}).hasVideo&&(e.videoStart=i.video[0].ptsTime),e.hasAudio&&(e.audioStart=i.audio[0].ptsTime)),this.self.postMessage({action:"probeTs",result:e,data:t},[t.buffer])},t.clearAllMp4Captions=function(){this.captionParser&&this.captionParser.clearAllCaptions()},t.clearParsedMp4Captions=function(){this.captionParser&&this.captionParser.clearParsedCaptions()},t.push=function(e){e=new Uint8Array(e.data,e.byteOffset,e.byteLength);this.transmuxer.push(e)},t.reset=function(){this.transmuxer.reset()},t.setTimestampOffset=function(e){e=e.timestampOffset||0;this.transmuxer.setBaseMediaDecodeTime(Math.round(le(e)))},t.setAudioAppendStart=function(e){this.transmuxer.setAudioAppendStart(Math.ceil(le(e.appendStart)))},t.setRemux=function(e){this.transmuxer.setRemux(e.remux)},t.flush=function(e){this.transmuxer.flush(),self.postMessage({action:"done",type:"transmuxed"})},t.endTimeline=function(){this.transmuxer.endTimeline(),self.postMessage({action:"endedtimeline",type:"transmuxed"})},t.alignGopsWith=function(e){this.transmuxer.alignGopsWith(e.gopsToAlignWith.slice())},e}();self.onmessage=function(e){"init"===e.data.action&&e.data.options?this.messageHandlers=new ri(self,e.data.options):(this.messageHandlers||(this.messageHandlers=new ri(self)),e.data&&e.data.action&&"init"!==e.data.action&&this.messageHandlers[e.data.action]&&this.messageHandlers[e.data.action](e.data))}}))),Cl=function(e){e.currentTransmux=null,e.transmuxQueue.length&&(e.currentTransmux=e.transmuxQueue.shift(),"function"==typeof e.currentTransmux?e.currentTransmux():Du(e.currentTransmux))},Il=function(e){Mu("reset",e)},xl=function(e){var t=new kl;t.currentTransmux=null,t.transmuxQueue=[];var i=t.terminate;return t.terminate=function(){return t.currentTransmux=null,t.transmuxQueue.length=0,i.call(t)},t.postMessage({action:"init",options:e}),t},Al=2,Pl=-101,Ll=-102,Dl=Ro("CodecUtils"),Ol=Ro("PlaylistSelector"),ar=function(){var e=this.useDevicePixelRatio&&window.devicePixelRatio||1;return il(this.playlists.master,this.systemBandwidth,parseInt(Zu(this.tech_.el(),"width"),10)*e,parseInt(Zu(this.tech_.el(),"height"),10)*e,this.limitRenditionByPlayerDimensions,this.masterPlaylistController_)},Ml=function(n){function e(e,t){var i=n.call(this)||this;if(!e)throw new TypeError("Initialization settings are required");if("function"!=typeof e.currentTime)throw new TypeError("No currentTime getter specified");if(!e.mediaSource)throw new TypeError("No MediaSource specified");return i.bandwidth=e.bandwidth,i.throughput={rate:0,count:0},i.roundTrip=NaN,i.resetStats_(),i.mediaIndex=null,i.partIndex=null,i.hasPlayed_=e.hasPlayed,i.currentTime_=e.currentTime,i.seekable_=e.seekable,i.seeking_=e.seeking,i.duration_=e.duration,i.mediaSource_=e.mediaSource,i.vhs_=e.vhs,i.loaderType_=e.loaderType,i.currentMediaInfo_=void 0,i.startingMediaInfo_=void 0,i.segmentMetadataTrack_=e.segmentMetadataTrack,i.goalBufferLength_=e.goalBufferLength,i.sourceType_=e.sourceType,i.sourceUpdater_=e.sourceUpdater,i.inbandTextTracks_=e.inbandTextTracks,i.state_="INIT",i.timelineChangeController_=e.timelineChangeController,i.shouldSaveSegmentTimingInfo_=!0,i.parse708captions_=e.parse708captions,i.useDtsForTimestampOffset_=e.useDtsForTimestampOffset,i.captionServices_=e.captionServices,i.experimentalExactManifestTimings=e.experimentalExactManifestTimings,i.checkBufferTimeout_=null,i.error_=void 0,i.currentTimeline_=-1,i.pendingSegment_=null,i.xhrOptions_=null,i.pendingSegments_=[],i.audioDisabled_=!1,i.isPendingTimestampOffset_=!1,i.gopBuffer_=[],i.timeMapping_=0,i.safeAppend_=11<=tr.browser.IE_VERSION,i.appendInitSegment_={audio:!0,video:!0},i.playlistOfLastInitSegment_={audio:null,video:null},i.callQueue_=[],i.loadQueue_=[],i.metadataQueue_={id3:[],caption:[]},i.waitingOnRemove_=!1,i.quotaExceededErrorRetryTimeout_=null,i.activeInitSegmentId_=null,i.initSegments_={},i.cacheEncryptionKeys_=e.cacheEncryptionKeys,i.keyCache_={},i.decrypter_=e.decrypter,i.syncController_=e.syncController,i.syncPoint_={segmentIndex:0,time:0},i.transmuxer_=i.createTransmuxer_(),i.triggerSyncInfoUpdate_=function(){return i.trigger("syncinfoupdate")},i.syncController_.on("syncinfoupdate",i.triggerSyncInfoUpdate_),i.mediaSource_.addEventListener("sourceopen",function(){i.isEndOfStream_()||(i.ended_=!1)}),i.fetchAtBuffer_=!1,i.logger_=Ro("SegmentLoader["+i.loaderType_+"]"),Object.defineProperty(ft(i),"state",{get:function(){return this.state_},set:function(e){e!==this.state_&&(this.logger_(this.state_+" -> "+e),this.state_=e,this.trigger("statechange"))}}),i.sourceUpdater_.on("ready",function(){i.hasEnoughInfoToAppend_()&&i.processCallQueue_()}),"main"===i.loaderType_&&i.timelineChangeController_.on("pendingtimelinechange",function(){i.hasEnoughInfoToAppend_()&&i.processCallQueue_()}),"audio"===i.loaderType_&&i.timelineChangeController_.on("timelinechange",function(){i.hasEnoughInfoToLoad_()&&i.processLoadQueue_(),i.hasEnoughInfoToAppend_()&&i.processCallQueue_()}),i}mt(e,n);var t=e.prototype;return t.createTransmuxer_=function(){return xl({remux:!1,alignGopsAtEnd:this.safeAppend_,keepOriginalTimestamps:!0,parse708captions:this.parse708captions_,captionServices:this.captionServices_})},t.resetStats_=function(){this.mediaBytesTransferred=0,this.mediaRequests=0,this.mediaRequestsAborted=0,this.mediaRequestsTimedout=0,this.mediaRequestsErrored=0,this.mediaTransferDuration=0,this.mediaSecondsLoaded=0,this.mediaAppends=0},t.dispose=function(){this.trigger("dispose"),this.state="DISPOSED",this.pause(),this.abort_(),this.transmuxer_&&this.transmuxer_.terminate(),this.resetStats_(),this.checkBufferTimeout_&&window.clearTimeout(this.checkBufferTimeout_),this.syncController_&&this.triggerSyncInfoUpdate_&&this.syncController_.off("syncinfoupdate",this.triggerSyncInfoUpdate_),this.off()},t.setAudio=function(e){this.audioDisabled_=!e,e?this.appendInitSegment_.audio=!0:this.sourceUpdater_.removeAudio(0,this.duration_())},t.abort=function(){"WAITING"===this.state?(this.abort_(),this.state="READY",this.paused()||this.monitorBuffer_()):this.pendingSegment_&&(this.pendingSegment_=null)},t.abort_=function(){this.pendingSegment_&&this.pendingSegment_.abortRequests&&this.pendingSegment_.abortRequests(),this.pendingSegment_=null,this.callQueue_=[],this.loadQueue_=[],this.metadataQueue_.id3=[],this.metadataQueue_.caption=[],this.timelineChangeController_.clearPendingTimelineChange(this.loaderType_),this.waitingOnRemove_=!1,window.clearTimeout(this.quotaExceededErrorRetryTimeout_),this.quotaExceededErrorRetryTimeout_=null},t.checkForAbort_=function(e){return"APPENDING"!==this.state||this.pendingSegment_?!this.pendingSegment_||this.pendingSegment_.requestId!==e:(this.state="READY",!0)},t.error=function(e){return"undefined"!=typeof e&&(this.logger_("error occurred:",e),this.error_=e),this.pendingSegment_=null,this.error_},t.endOfStream=function(){this.ended_=!0,this.transmuxer_&&Il(this.transmuxer_),this.gopBuffer_.length=0,this.pause(),this.trigger("ended")},t.buffered_=function(){var e=this.getMediaInfo_();if(!this.sourceUpdater_||!e)return tr.createTimeRanges();if("main"===this.loaderType_){var t=e.hasAudio,i=e.hasVideo,e=e.isMuxed;if(i&&t&&!this.audioDisabled_&&!e)return this.sourceUpdater_.buffered();if(i)return this.sourceUpdater_.videoBuffered()}return this.sourceUpdater_.audioBuffered()},t.initSegmentForMap=function(e,t){if(void 0===t&&(t=!1),!e)return null;var i=Su(e),n=this.initSegments_[i];return t&&!n&&e.bytes&&(this.initSegments_[i]=n={resolvedUri:e.resolvedUri,byterange:e.byterange,bytes:e.bytes,tracks:e.tracks,timescales:e.timescales}),n||e},t.segmentKey=function(e,t){if(void 0===t&&(t=!1),!e)return null;var i=wu(e),n=this.keyCache_[i];this.cacheEncryptionKeys_&&t&&!n&&e.bytes&&(this.keyCache_[i]=n={resolvedUri:e.resolvedUri,bytes:e.bytes});e={resolvedUri:(n||e).resolvedUri};return n&&(e.bytes=n.bytes),e},t.couldBeginLoading_=function(){return this.playlist_&&!this.paused()},t.load=function(){if(this.monitorBuffer_(),this.playlist_)return"INIT"===this.state&&this.couldBeginLoading_()?this.init_():void(!this.couldBeginLoading_()||"READY"!==this.state&&"INIT"!==this.state||(this.state="READY"))},t.init_=function(){return this.state="READY",this.resetEverything(),this.monitorBuffer_()},t.playlist=function(e,t){if(void 0===t&&(t={}),e){var i=this.playlist_,n=this.pendingSegment_;this.playlist_=e,this.xhrOptions_=t,"INIT"===this.state&&(e.syncInfo={mediaSequence:e.mediaSequence,time:0},"main"===this.loaderType_&&this.syncController_.setDateTimeMappingForStart(e));var r=null;if(i&&(i.id?r=i.id:i.uri&&(r=i.uri)),this.logger_("playlist update ["+r+" => "+(e.id||e.uri)+"]"),this.trigger("syncinfoupdate"),"INIT"===this.state&&this.couldBeginLoading_())return this.init_();if(!i||i.uri!==e.uri)return null!==this.mediaIndex&&(e.endList?this.resyncLoader():this.resetLoader()),this.currentMediaInfo_=void 0,void this.trigger("playlistupdate");t=e.mediaSequence-i.mediaSequence;this.logger_("live window shift ["+t+"]"),null!==this.mediaIndex&&(this.mediaIndex-=t,this.mediaIndex<0?(this.mediaIndex=null,this.partIndex=null):(r=this.playlist_.segments[this.mediaIndex],!this.partIndex||r.parts&&r.parts.length&&r.parts[this.partIndex]||(r=this.mediaIndex,this.logger_("currently processing part (index "+this.partIndex+") no longer exists."),this.resetLoader(),this.mediaIndex=r))),n&&(n.mediaIndex-=t,n.mediaIndex<0?(n.mediaIndex=null,n.partIndex=null):(0<=n.mediaIndex&&(n.segment=e.segments[n.mediaIndex]),0<=n.partIndex&&n.segment.parts&&(n.part=n.segment.parts[n.partIndex]))),this.syncController_.saveExpiredSegmentInfo(i,e)}},t.pause=function(){this.checkBufferTimeout_&&(window.clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=null)},t.paused=function(){return null===this.checkBufferTimeout_},t.resetEverything=function(e){this.ended_=!1,this.appendInitSegment_={audio:!0,video:!0},this.resetLoader(),this.remove(0,1/0,e),this.transmuxer_&&(this.transmuxer_.postMessage({action:"clearAllMp4Captions"}),this.transmuxer_.postMessage({action:"reset"}))},t.resetLoader=function(){this.fetchAtBuffer_=!1,this.resyncLoader()},t.resyncLoader=function(){this.transmuxer_&&Il(this.transmuxer_),this.mediaIndex=null,this.partIndex=null,this.syncPoint_=null,this.isPendingTimestampOffset_=!1,this.callQueue_=[],this.loadQueue_=[],this.metadataQueue_.id3=[],this.metadataQueue_.caption=[],this.abort(),this.transmuxer_&&this.transmuxer_.postMessage({action:"clearParsedMp4Captions"})},t.remove=function(e,t,i,n){if(void 0===i&&(i=function(){}),void 0===n&&(n=!1),(t=t===1/0?this.duration_():t)<=e)this.logger_("skipping remove because end ${end} is <= start ${start}");else if(this.sourceUpdater_&&this.getMediaInfo_()){var r,a=1,s=function(){0===--a&&i()};for(r in!n&&this.audioDisabled_||(a++,this.sourceUpdater_.removeAudio(e,t,s)),!n&&"main"!==this.loaderType_||(this.gopBuffer_=function(e,t,i,n){for(var r=Math.ceil((t-n)*hl),a=Math.ceil((i-n)*hl),n=e.slice(),s=e.length;s--&&!(e[s].pts<=a););if(-1===s)return n;for(var o=s+1;o--&&!(e[o].pts<=r););return o=Math.max(o,0),n.splice(o,s-o+1),n}(this.gopBuffer_,e,t,this.timeMapping_),a++,this.sourceUpdater_.removeVideo(e,t,s)),this.inbandTextTracks_)rl(e,t,this.inbandTextTracks_[r]);rl(e,t,this.segmentMetadataTrack_),s()}else this.logger_("skipping remove because no source updater or starting media info")},t.monitorBuffer_=function(){this.checkBufferTimeout_&&window.clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=window.setTimeout(this.monitorBufferTick_.bind(this),1)},t.monitorBufferTick_=function(){"READY"===this.state&&this.fillBuffer_(),this.checkBufferTimeout_&&window.clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=window.setTimeout(this.monitorBufferTick_.bind(this),500)},t.fillBuffer_=function(){var e;this.sourceUpdater_.updating()||(e=this.chooseNextRequest_())&&("number"==typeof e.timestampOffset&&(this.isPendingTimestampOffset_=!1,this.timelineChangeController_.pendingTimelineChange({type:this.loaderType_,from:this.currentTimeline_,to:e.timeline})),this.loadSegment_(e))},t.isEndOfStream_=function(e,t,i){if(void 0===e&&(e=this.mediaIndex),void 0===t&&(t=this.playlist_),void 0===i&&(i=this.partIndex),!t||!this.mediaSource_)return!1;var n="number"==typeof e&&t.segments[e],e=e+1===t.segments.length,n=!n||!n.parts||i+1===n.parts.length;return t.endList&&"open"===this.mediaSource_.readyState&&e&&n},t.chooseNextRequest_=function(){var e=this.buffered_(),t=Ho(e)||0,i=qo(e,this.currentTime_()),n=!this.hasPlayed_()&&1<=i,r=i>=this.goalBufferLength_(),e=this.playlist_.segments;if(!e.length||n||r)return null;this.syncPoint_=this.syncPoint_||this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_());var a,n={partIndex:null,mediaIndex:null,startOfSegment:null,playlist:this.playlist_,isSyncRequest:Boolean(!this.syncPoint_)};n.isSyncRequest?n.mediaIndex=function(e,t,i){t=t||[];for(var n=[],r=0,a=0;a=e.length-1&&s&&!this.seeking_()?null:this.generateSegmentInfo_(n)},t.generateSegmentInfo_=function(e){var t=e.independent,i=e.playlist,n=e.mediaIndex,r=e.startOfSegment,a=e.isSyncRequest,s=e.partIndex,o=e.forceTimestampOffset,u=e.getMediaInfoForTime,l=i.segments[n],e="number"==typeof s&&l.parts[s],t={requestId:"segment-loader-"+Math.random(),uri:e&&e.resolvedUri||l.resolvedUri,mediaIndex:n,partIndex:e?s:null,isSyncRequest:a,startOfSegment:r,playlist:i,bytes:null,encryptedBytes:null,timestampOffset:null,timeline:l.timeline,duration:e&&e.duration||l.duration,segment:l,part:e,byteLength:0,transmuxer:this.transmuxer_,getMediaInfoForTime:u,independent:t},o="undefined"!=typeof o?o:this.isPendingTimestampOffset_;t.timestampOffset=this.timestampOffsetForSegment_({segmentTimeline:l.timeline,currentTimeline:this.currentTimeline_,startOfSegment:r,buffered:this.buffered_(),overrideCheck:o});o=Ho(this.sourceUpdater_.audioBuffered());return"number"==typeof o&&(t.audioAppendStart=o-this.sourceUpdater_.audioTimestampOffset()),this.sourceUpdater_.videoBuffered().length&&(t.gopsToAlignWith=function(e,t,i){if("undefined"==typeof t||null===t||!e.length)return[];for(var n=Math.ceil((t-i+3)*hl),r=0;rn);r++);return e.slice(r)}(this.gopBuffer_,this.currentTime_()-this.sourceUpdater_.videoTimestampOffset(),this.timeMapping_)),t},t.timestampOffsetForSegment_=function(e){return i=(t=e).segmentTimeline,n=t.currentTimeline,r=t.startOfSegment,e=t.buffered,t.overrideCheck||i!==n?!(i "+p+" for "+e),t=m,i=v.vhs_.tech_,t[n=e]||(i.trigger({type:"usage",name:"vhs-608"}),i.trigger({type:"usage",name:"hls-608"}),/^cc708_/.test(r=n)&&(r="SERVICE"+n.split("_")[1]),(o=i.textTracks().getTrackById(r))?t[n]=o:(s=a=n,d=!1,(o=(i.options_.vhs&&i.options_.vhs.captionServices||{})[r])&&(a=o.label,s=o.language,d=o.default),t[n]=i.addRemoteTextTrack({kind:"captions",id:r,default:d,label:a,language:s},!1).track)),rl(h,p,m[e]),l=(f={captionArray:f,inbandTextTracks:m,timestampOffset:g}).inbandTextTracks,m=f.captionArray,c=f.timestampOffset,m&&(u=window.WebKitDataCue||window.VTTCue,m.forEach(function(e){var t=e.stream;l[t].addCue(new u(e.startTime+c,e.endTime+c,e.text))}))}),this.transmuxer_&&this.transmuxer_.postMessage({action:"clearParsedMp4Captions"})):this.metadataQueue_.caption.push(this.handleCaptions_.bind(this,e,t)):this.logger_("SegmentLoader received no captions from a caption event"))},t.handleId3_=function(e,t,i){var n,r,a,s;this.earlyAbortWhenNeeded_(e.stats),this.checkForAbort_(e.requestId)||(this.pendingSegment_.hasAppendedData_?(n=null===this.sourceUpdater_.videoTimestampOffset()?this.sourceUpdater_.audioTimestampOffset():this.sourceUpdater_.videoTimestampOffset(),r=this.inbandTextTracks_,a=i,s=this.vhs_.tech_,r.metadataTrack_||(r.metadataTrack_=s.addRemoteTextTrack({kind:"metadata",label:"Timed Metadata"},!1).track,r.metadataTrack_.inBandMetadataTrackDispatchType=a),nl({inbandTextTracks:this.inbandTextTracks_,metadataArray:t,timestampOffset:n,videoDuration:this.duration_()})):this.metadataQueue_.id3.push(this.handleId3_.bind(this,e,t,i)))},t.processMetadataQueue_=function(){this.metadataQueue_.id3.forEach(function(e){return e()}),this.metadataQueue_.caption.forEach(function(e){return e()}),this.metadataQueue_.id3=[],this.metadataQueue_.caption=[]},t.processCallQueue_=function(){var e=this.callQueue_;this.callQueue_=[],e.forEach(function(e){return e()})},t.processLoadQueue_=function(){var e=this.loadQueue_;this.loadQueue_=[],e.forEach(function(e){return e()})},t.hasEnoughInfoToLoad_=function(){if("audio"!==this.loaderType_)return!0;var e=this.pendingSegment_;return!!e&&(!this.getCurrentMediaInfo_()||!ul({timelineChangeController:this.timelineChangeController_,currentTimeline:this.currentTimeline_,segmentTimeline:e.timeline,loaderType:this.loaderType_,audioDisabled:this.audioDisabled_}))},t.getCurrentMediaInfo_=function(e){return(e=void 0===e?this.pendingSegment_:e)&&e.trackInfo||this.currentMediaInfo_},t.getMediaInfo_=function(e){return void 0===e&&(e=this.pendingSegment_),this.getCurrentMediaInfo_(e)||this.startingMediaInfo_},t.hasEnoughInfoToAppend_=function(){if(!this.sourceUpdater_.ready())return!1;if(this.waitingOnRemove_||this.quotaExceededErrorRetryTimeout_)return!1;var e=this.pendingSegment_,t=this.getCurrentMediaInfo_();if(!e||!t)return!1;var i=t.hasAudio,n=t.hasVideo,t=t.isMuxed;return!(n&&!e.videoTimingInfo)&&(!(i&&!this.audioDisabled_&&!t&&!e.audioTimingInfo)&&!ul({timelineChangeController:this.timelineChangeController_,currentTimeline:this.currentTimeline_,segmentTimeline:e.timeline,loaderType:this.loaderType_,audioDisabled:this.audioDisabled_}))},t.handleData_=function(e,t){if(this.earlyAbortWhenNeeded_(e.stats),!this.checkForAbort_(e.requestId))if(!this.callQueue_.length&&this.hasEnoughInfoToAppend_()){var i,n=this.pendingSegment_;if(this.setTimeMapping_(n.timeline),this.updateMediaSecondsLoaded_(n.part||n.segment),"closed"!==this.mediaSource_.readyState){if(e.map&&(e.map=this.initSegmentForMap(e.map,!0),n.segment.map=e.map),e.key&&this.segmentKey(e.key,!0),n.isFmp4=e.isFmp4,n.timingInfo=n.timingInfo||{},n.isFmp4?(this.trigger("fmp4"),n.timingInfo.start=n[ol(t.type)].start):(i=this.getCurrentMediaInfo_(),(i="main"===this.loaderType_&&i&&i.hasVideo)&&(r=n.videoTimingInfo.start),n.timingInfo.start=this.trueSegmentStart_({currentStart:n.timingInfo.start,playlist:n.playlist,mediaIndex:n.mediaIndex,currentVideoTimestampOffset:this.sourceUpdater_.videoTimestampOffset(),useVideoTimingInfo:i,firstVideoFrameTimeForData:r,videoTimingInfo:n.videoTimingInfo,audioTimingInfo:n.audioTimingInfo})),this.updateAppendInitSegmentStatus(n,t.type),this.updateSourceBufferTimestampOffset_(n),n.isSyncRequest){this.updateTimingInfoEnd_(n),this.syncController_.saveSegmentTimingInfo({segmentInfo:n,shouldSaveTimelineMapping:"main"===this.loaderType_});var r=this.chooseNextRequest_();if(r.mediaIndex!==n.mediaIndex||r.partIndex!==n.partIndex)return void this.logger_("sync segment was incorrect, not appending");this.logger_("sync segment was correct, appending")}n.hasAppendedData_=!0,this.processMetadataQueue_(),this.appendData_(n,t)}}else this.callQueue_.push(this.handleData_.bind(this,e,t))},t.updateAppendInitSegmentStatus=function(e,t){"main"!==this.loaderType_||"number"!=typeof e.timestampOffset||e.changedTimestampOffset||(this.appendInitSegment_={audio:!0,video:!0}),this.playlistOfLastInitSegment_[t]!==e.playlist&&(this.appendInitSegment_[t]=!0)},t.getInitSegmentAndUpdateState_=function(e){var t=e.type,i=e.initSegment,n=e.map,r=e.playlist;if(n){e=Su(n);if(this.activeInitSegmentId_===e)return null;i=this.initSegmentForMap(n,!0).bytes,this.activeInitSegmentId_=e}return i&&this.appendInitSegment_[t]?(this.playlistOfLastInitSegment_[t]=r,this.appendInitSegment_[t]=!1,this.activeInitSegmentId_=null,i):null},t.handleQuotaExceededError_=function(e,t){var i=this,n=e.segmentInfo,r=e.type,a=e.bytes,s=this.sourceUpdater_.audioBuffered(),o=this.sourceUpdater_.videoBuffered();1=n);r++);return e.slice(0,r).concat(t)}(this.gopBuffer_,i.gopInfo,this.safeAppend_)),this.state="APPENDING",this.trigger("appending"),this.waitForAppendsToComplete_(e)}},t.setTimeMapping_=function(e){e=this.syncController_.mappingForTimeline(e);null!==e&&(this.timeMapping_=e)},t.updateMediaSecondsLoaded_=function(e){"number"==typeof e.start&&"number"==typeof e.end?this.mediaSecondsLoaded+=e.end-e.start:this.mediaSecondsLoaded+=e.duration},t.shouldUpdateTransmuxerTimestampOffset_=function(e){return null!==e&&("main"===this.loaderType_&&e!==this.sourceUpdater_.videoTimestampOffset()||!this.audioDisabled_&&e!==this.sourceUpdater_.audioTimestampOffset())},t.trueSegmentStart_=function(e){var t=e.currentStart,i=e.playlist,n=e.mediaIndex,r=e.firstVideoFrameTimeForData,a=e.currentVideoTimestampOffset,s=e.useVideoTimingInfo,o=e.videoTimingInfo,e=e.audioTimingInfo;if("undefined"!=typeof t)return t;if(!s)return e.start;i=i.segments[n-1];return 0!==n&&i&&"undefined"!=typeof i.start&&i.end===r+a?o.start:r},t.waitForAppendsToComplete_=function(e){var t=this.getCurrentMediaInfo_(e);if(!t)return this.error({message:"No starting media returned, likely due to an unsupported media format.",blacklistDuration:1/0}),void this.trigger("error");var i=t.hasAudio,n=t.hasVideo,t=t.isMuxed,n="main"===this.loaderType_&&n,t=!this.audioDisabled_&&i&&!t;if(e.waitingOnAppends=0,!e.hasAppendedData_)return e.timingInfo||"number"!=typeof e.timestampOffset||(this.isPendingTimestampOffset_=!0),e.timingInfo={start:0},e.waitingOnAppends++,this.isPendingTimestampOffset_||(this.updateSourceBufferTimestampOffset_(e),this.processMetadataQueue_()),void this.checkAppendsDone_(e);n&&e.waitingOnAppends++,t&&e.waitingOnAppends++,n&&this.sourceUpdater_.videoQueueCallback(this.checkAppendsDone_.bind(this,e)),t&&this.sourceUpdater_.audioQueueCallback(this.checkAppendsDone_.bind(this,e))},t.checkAppendsDone_=function(e){this.checkForAbort_(e.requestId)||(e.waitingOnAppends--,0===e.waitingOnAppends&&this.handleAppendsDone_())},t.checkForIllegalMediaSwitch=function(e){var t,i,e=(t=this.loaderType_,i=this.getCurrentMediaInfo_(),e=e,"main"===t&&i&&e?e.hasAudio||e.hasVideo?i.hasVideo&&!e.hasVideo?"Only audio found in segment when we expected video. We can't switch to audio only from a stream that had video. To get rid of this message, please add codec information to the manifest.":!i.hasVideo&&e.hasVideo?"Video found in segment when we expected only audio. We can't switch to a stream with video from an audio only stream. To get rid of this message, please add codec information to the manifest.":null:"Neither audio nor video found in segment.":null);return!!e&&(this.error({message:e,blacklistDuration:1/0}),this.trigger("error"),!0)},t.updateSourceBufferTimestampOffset_=function(e){var t;null===e.timestampOffset||"number"!=typeof e.timingInfo.start||e.changedTimestampOffset||"main"!==this.loaderType_||(t=!1,e.timestampOffset-=this.getSegmentStartTimeForTimestampOffsetCalculation_({videoTimingInfo:e.segment.videoTimingInfo,audioTimingInfo:e.segment.audioTimingInfo,timingInfo:e.timingInfo}),e.changedTimestampOffset=!0,e.timestampOffset!==this.sourceUpdater_.videoTimestampOffset()&&(this.sourceUpdater_.videoTimestampOffset(e.timestampOffset),t=!0),e.timestampOffset!==this.sourceUpdater_.audioTimestampOffset()&&(this.sourceUpdater_.audioTimestampOffset(e.timestampOffset),t=!0),t&&this.trigger("timestampoffset"))},t.getSegmentStartTimeForTimestampOffsetCalculation_=function(e){var t=e.videoTimingInfo,i=e.audioTimingInfo,e=e.timingInfo;return this.useDtsForTimestampOffset_?t&&"number"==typeof t.transmuxedDecodeStart?t.transmuxedDecodeStart:i&&"number"==typeof i.transmuxedDecodeStart?i.transmuxedDecodeStart:e.start:e.start},t.updateTimingInfoEnd_=function(e){e.timingInfo=e.timingInfo||{};var t=this.getMediaInfo_(),t="main"===this.loaderType_&&t&&t.hasVideo&&e.videoTimingInfo?e.videoTimingInfo:e.audioTimingInfo;t&&(e.timingInfo.end="number"==typeof t.end?t.end:t.start+e.duration)},t.handleAppendsDone_=function(){if(this.pendingSegment_&&this.trigger("appendsdone"),!this.pendingSegment_)return this.state="READY",void(this.paused()||this.monitorBuffer_());var e=this.pendingSegment_;this.updateTimingInfoEnd_(e),this.shouldSaveSegmentTimingInfo_&&this.syncController_.saveSegmentTimingInfo({segmentInfo:e,shouldSaveTimelineMapping:"main"===this.loaderType_});var t=cl(e,this.sourceType_);if(t&&("warn"===t.severity?tr.log.warn(t.message):this.logger_(t.message)),this.recordThroughput_(e),this.pendingSegment_=null,this.state="READY",!e.isSyncRequest||(this.trigger("syncinfoupdate"),e.hasAppendedData_)){this.logger_("Appended "+sl(e)),this.addSegmentMetadataCue_(e),this.fetchAtBuffer_=!0,this.currentTimeline_!==e.timeline&&(this.timelineChangeController_.lastTimelineChange({type:this.loaderType_,from:this.currentTimeline_,to:e.timeline}),"main"!==this.loaderType_||this.audioDisabled_||this.timelineChangeController_.lastTimelineChange({type:"audio",from:this.currentTimeline_,to:e.timeline})),this.currentTimeline_=e.timeline,this.trigger("syncinfoupdate");var i=e.segment,t=e.part,i=i.end&&this.currentTime_()-i.end>3*e.playlist.targetDuration,t=t&&t.end&&this.currentTime_()-t.end>3*e.playlist.partTargetDuration;if(i||t)return this.logger_("bad "+(i?"segment":"part")+" "+sl(e)),void this.resetEverything();null!==this.mediaIndex&&this.trigger("bandwidthupdate"),this.trigger("progress"),this.mediaIndex=e.mediaIndex,this.partIndex=e.partIndex,this.isEndOfStream_(e.mediaIndex,e.playlist,e.partIndex)&&this.endOfStream(),this.trigger("appended"),e.hasAppendedData_&&this.mediaAppends++,this.paused()||this.monitorBuffer_()}else this.logger_("Throwing away un-appended sync request "+sl(e))},t.recordThroughput_=function(e){var t,i;e.duration<1/60?this.logger_("Ignoring segment's throughput because its duration of "+e.duration+" is less than the min to record "+1/60):(t=this.throughput.rate,i=Date.now()-e.endOfAllRequests+1,i=Math.floor(e.byteLength/i*8*1e3),this.throughput.rate+=(i-t)/++this.throughput.count)},t.addSegmentMetadataCue_=function(e){var t,i,n,r;this.segmentMetadataTrack_&&(i=(t=e.segment).start,r=t.end,al(i)&&al(r)&&(rl(i,r,this.segmentMetadataTrack_),n=window.WebKitDataCue||window.VTTCue,e={custom:t.custom,dateTimeObject:t.dateTimeObject,dateTimeString:t.dateTimeString,bandwidth:e.playlist.attributes.BANDWIDTH,resolution:e.playlist.attributes.RESOLUTION,codecs:e.playlist.attributes.CODECS,byteLength:e.byteLength,uri:e.uri,timeline:e.timeline,playlist:e.playlist.id,start:i,end:r},(r=new n(i,r,JSON.stringify(e))).value=e,this.segmentMetadataTrack_.addCue(r)))},e}(tr.EventTarget);function Rl(){}function Nl(e){return"string"!=typeof e?e:e.replace(/./,function(e){return e.toUpperCase()})}function Ul(e,t){var i=t[e+"Buffer"];return i&&i.updating||t.queuePending[e]}function Bl(e,t){if(0!==t.queue.length){var i=0,n=t.queue[i];if("mediaSource"!==n.type){if("mediaSource"!==e&&t.ready()&&"closed"!==t.mediaSource.readyState&&!Ul(e,t)){if(n.type!==e){if(null===(i=function(e,t){for(var i=0;i=e.playlist.segments.length){e=null;break}e=this.generateSegmentInfo_({playlist:e.playlist,mediaIndex:e.mediaIndex+1,startOfSegment:e.startOfSegment+e.duration,isSyncRequest:e.isSyncRequest})}return e},t.stopForError=function(e){this.error(e),this.state="READY",this.pause(),this.trigger("error")},t.segmentRequestFinished_=function(e,t,i){var n=this;if(this.subtitlesTrack_){if(this.saveTransferStats_(t.stats),!this.pendingSegment_)return this.state="READY",void(this.mediaRequestsAborted+=1);if(e)return e.code===Pl&&this.handleTimeout_(),e.code===Ll?this.mediaRequestsAborted+=1:this.mediaRequestsErrored+=1,void this.stopForError(e);var r=this.pendingSegment_;this.saveBandwidthRelatedStats_(r.duration,t.stats),this.state="APPENDING",this.trigger("appending");var a=r.segment;if(a.map&&(a.map.bytes=t.map.bytes),r.bytes=t.bytes,"function"!=typeof window.WebVTT&&this.subtitlesTrack_&&this.subtitlesTrack_.tech_){var s=function(){n.subtitlesTrack_.tech_.off("vttjsloaded",o),n.stopForError({message:"Error loading vtt.js"})},o=function(){n.subtitlesTrack_.tech_.off("vttjserror",s),n.segmentRequestFinished_(e,t,i)};return this.state="WAITING_ON_VTTJS",this.subtitlesTrack_.tech_.one("vttjsloaded",o),void this.subtitlesTrack_.tech_.one("vttjserror",s)}a.requested=!0;try{this.parseVTTCues_(r)}catch(e){return void this.stopForError({message:e.message})}if(this.updateTimeMapping_(r,this.syncController_.timelines[r.timeline],this.playlist_),r.cues.length?r.timingInfo={start:r.cues[0].startTime,end:r.cues[r.cues.length-1].endTime}:r.timingInfo={start:r.startOfSegment,end:r.startOfSegment+r.duration},r.isSyncRequest)return this.trigger("syncinfoupdate"),this.pendingSegment_=null,void(this.state="READY");r.byteLength=r.bytes.byteLength,this.mediaSecondsLoaded+=a.duration,r.cues.forEach(function(e){n.subtitlesTrack_.addCue(n.featuresNativeTextTracks_?new 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i=0;i>7))^f]=f;for(e=t=0;!c[e];e^=i||1,t=p[t]||1)for(s=16843009*h[n=h[i=h[d[c[e]=r=(r=t^t<<1^t<<2^t<<3^t<<4)>>8^255&r^99]=e]]]^65537*n^257*i^16843008*e,a=257*h[r]^16843008*r,f=0;f<4;f++)u[f][e]=a=a<<24^a>>>8,l[f][r]=s=s<<24^s>>>8;for(f=0;f<5;f++)u[f]=u[f].slice(0),l[f]=l[f].slice(0);return o}(),this._tables=[[c[0][0].slice(),c[0][1].slice(),c[0][2].slice(),c[0][3].slice(),c[0][4].slice()],[c[1][0].slice(),c[1][1].slice(),c[1][2].slice(),c[1][3].slice(),c[1][4].slice()]];var r=this._tables[0][4],a=this._tables[1],s=e.length,o=1;if(4!==s&&6!==s&&8!==s)throw new Error("Invalid aes key size");var u=e.slice(0),l=[];for(this._key=[u,l],t=s;t<4*s+28;t++)n=u[t-1],(t%s==0||8===s&&t%s==4)&&(n=r[n>>>24]<<24^r[n>>16&255]<<16^r[n>>8&255]<<8^r[255&n],t%s==0&&(n=n<<8^n>>>24^o<<24,o=o<<1^283*(o>>7))),u[t]=u[t-s]^n;for(i=0;t;i++,t--)n=u[3&i?t:t-4],l[i]=t<=4||i<4?n:a[0][r[n>>>24]]^a[1][r[n>>16&255]]^a[2][r[n>>8&255]]^a[3][r[255&n]]}return e.prototype.decrypt=function(e,t,i,n,r,a){for(var s,o,u,l=this._key[1],c=e^l[0],d=n^l[1],h=i^l[2],p=t^l[3],f=l.length/4-2,m=4,t=this._tables[1],g=t[0],y=t[1],v=t[2],_=t[3],b=t[4],T=0;T>>24]^y[d>>16&255]^v[h>>8&255]^_[255&p]^l[m],o=g[d>>>24]^y[h>>16&255]^v[p>>8&255]^_[255&c]^l[m+1],u=g[h>>>24]^y[p>>16&255]^v[c>>8&255]^_[255&d]^l[m+2],p=g[p>>>24]^y[c>>16&255]^v[d>>8&255]^_[255&h]^l[m+3],m+=4,c=s,d=o,h=u;for(T=0;T<4;T++)r[(3&-T)+a]=b[c>>>24]<<24^b[d>>16&255]<<16^b[h>>8&255]<<8^b[255&p]^l[m++],s=c,c=d,d=h,h=p,p=s},e}(),l=function(t){function e(){var e=t.call(this,a)||this;return e.jobs=[],e.delay=1,e.timeout_=null,e}r(e,t);var i=e.prototype;return i.processJob_=function(){this.jobs.shift()(),this.jobs.length?this.timeout_=setTimeout(this.processJob_.bind(this),this.delay):this.timeout_=null},i.push=function(e){this.jobs.push(e),this.timeout_||(this.timeout_=setTimeout(this.processJob_.bind(this),this.delay))},e}(a),g=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},s=function(){function u(e,t,i,n){var r=u.STEP,a=new Int32Array(e.buffer),s=new Uint8Array(e.byteLength),o=0;for(this.asyncStream_=new l,this.asyncStream_.push(this.decryptChunk_(a.subarray(o,o+r),t,i,s)),o=r;o>2),u=new m(Array.prototype.slice.call(t)),e=new Uint8Array(e.byteLength),l=new Int32Array(e.buffer),c=i[0],d=i[1],h=i[2],p=i[3],f=0;f "+n+" from "+t),this.tech_.trigger({type:"usage",name:"vhs-rendition-change-"+t})),this.masterPlaylistLoader_.media(e,i)},t.startABRTimer_=function(){var e=this;this.stopABRTimer_(),this.abrTimer_=window.setInterval(function(){return e.checkABR_()},250)},t.stopABRTimer_=function(){this.tech_.scrubbing&&this.tech_.scrubbing()||(window.clearInterval(this.abrTimer_),this.abrTimer_=null)},t.getAudioTrackPlaylists_=function(){var e=this.master(),t=e&&e.playlists||[];if(!e||!e.mediaGroups||!e.mediaGroups.AUDIO)return t;var i,n=e.mediaGroups.AUDIO,r=Object.keys(n);if(Object.keys(this.mediaTypes_.AUDIO.groups).length)i=this.mediaTypes_.AUDIO.activeTrack();else{var a,s=n.main||r.length&&n[r[0]];for(a in s)if(s[a].default){i={label:a};break}}if(!i)return t;var o,u=[];for(o in n)if(n[o][i.label]){var l=n[o][i.label];if(l.playlists&&l.playlists.length)u.push.apply(u,l.playlists);else if(l.uri)u.push(l);else if(e.playlists.length)for(var c=0;c "+r.id;if(!t)return l(c+" as current playlist is not set"),!0;if(r.id===t.id)return!1;e=Boolean(Uo(i,n).length);if(!t.endList)return e||"number"!=typeof t.partTargetDuration?(l(c+" as current playlist is live"),!0):(l("not "+c+" as current playlist is live llhls, but currentTime isn't in buffered."),!1);i=qo(i,n),n=u?El.EXPERIMENTAL_MAX_BUFFER_LOW_WATER_LINE:El.MAX_BUFFER_LOW_WATER_LINE;if(o= bufferLowWaterLine ("+i+" >= "+a+")";return u&&(a+=" and next bandwidth > current bandwidth ("+n+" > "+r+")"),l(a),!0}return l("not "+c+" as no switching criteria met"),!1}({buffered:this.tech_.buffered(),currentTime:i,currentPlaylist:t,nextPlaylist:e,bufferLowWaterLine:n,bufferHighWaterLine:r,duration:this.duration(),experimentalBufferBasedABR:this.experimentalBufferBasedABR,log:this.logger_})},t.setupSegmentLoaderListeners_=function(){var t=this;this.experimentalBufferBasedABR||(this.mainSegmentLoader_.on("bandwidthupdate",function(){var e=t.selectPlaylist();t.shouldSwitchToMedia_(e)&&t.switchMedia_(e,"bandwidthupdate"),t.tech_.trigger("bandwidthupdate")}),this.mainSegmentLoader_.on("progress",function(){t.trigger("progress")})),this.mainSegmentLoader_.on("error",function(){t.blacklistCurrentPlaylist(t.mainSegmentLoader_.error())}),this.mainSegmentLoader_.on("appenderror",function(){t.error=t.mainSegmentLoader_.error_,t.trigger("error")}),this.mainSegmentLoader_.on("syncinfoupdate",function(){t.onSyncInfoUpdate_()}),this.mainSegmentLoader_.on("timestampoffset",function(){t.tech_.trigger({type:"usage",name:"vhs-timestamp-offset"}),t.tech_.trigger({type:"usage",name:"hls-timestamp-offset"})}),this.audioSegmentLoader_.on("syncinfoupdate",function(){t.onSyncInfoUpdate_()}),this.audioSegmentLoader_.on("appenderror",function(){t.error=t.audioSegmentLoader_.error_,t.trigger("error")}),this.mainSegmentLoader_.on("ended",function(){t.logger_("main segment loader ended"),t.onEndOfStream()}),this.mainSegmentLoader_.on("earlyabort",function(e){t.experimentalBufferBasedABR||(t.delegateLoaders_("all",["abort"]),t.blacklistCurrentPlaylist({message:"Aborted early because there isn't enough bandwidth to complete the request without rebuffering."},120))});function e(){if(!t.sourceUpdater_.hasCreatedSourceBuffers())return t.tryToCreateSourceBuffers_();var e=t.getCodecsOrExclude_();e&&t.sourceUpdater_.addOrChangeSourceBuffers(e)}this.mainSegmentLoader_.on("trackinfo",e),this.audioSegmentLoader_.on("trackinfo",e),this.mainSegmentLoader_.on("fmp4",function(){t.triggeredFmp4Usage||(t.tech_.trigger({type:"usage",name:"vhs-fmp4"}),t.tech_.trigger({type:"usage",name:"hls-fmp4"}),t.triggeredFmp4Usage=!0)}),this.audioSegmentLoader_.on("fmp4",function(){t.triggeredFmp4Usage||(t.tech_.trigger({type:"usage",name:"vhs-fmp4"}),t.tech_.trigger({type:"usage",name:"hls-fmp4"}),t.triggeredFmp4Usage=!0)}),this.audioSegmentLoader_.on("ended",function(){t.logger_("audioSegmentLoader ended"),t.onEndOfStream()})},t.mediaSecondsLoaded_=function(){return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded+this.mainSegmentLoader_.mediaSecondsLoaded)},t.load=function(){this.mainSegmentLoader_.load(),this.mediaTypes_.AUDIO.activePlaylistLoader&&this.audioSegmentLoader_.load(),this.mediaTypes_.SUBTITLES.activePlaylistLoader&&this.subtitleSegmentLoader_.load()},t.smoothQualityChange_=function(e){void 0===e&&(e=this.selectPlaylist()),this.fastQualityChange_(e)},t.fastQualityChange_=function(e){var t=this;(e=void 0===e?this.selectPlaylist():e)!==this.masterPlaylistLoader_.media()?(this.switchMedia_(e,"fast-quality"),this.mainSegmentLoader_.resetEverything(function(){tr.browser.IE_VERSION||tr.browser.IS_EDGE?t.tech_.setCurrentTime(t.tech_.currentTime()+.04):t.tech_.setCurrentTime(t.tech_.currentTime())})):this.logger_("skipping fastQualityChange because new media is same as old")},t.play=function(){if(!this.setupFirstPlay()){this.tech_.ended()&&this.tech_.setCurrentTime(0),this.hasPlayed_&&this.load();var e=this.tech_.seekable();return this.tech_.duration()===1/0&&this.tech_.currentTime()this.maxPlaylistRetries?1/0:Date.now()+1e3*t,i.excludeUntil=a,e.reason&&(i.lastExcludeReason_=e.reason),this.tech_.trigger("blacklistplaylist"),this.tech_.trigger({type:"usage",name:"vhs-rendition-blacklisted"}),this.tech_.trigger({type:"usage",name:"hls-rendition-blacklisted"});r=this.selectPlaylist();if(!r)return this.error="Playback cannot continue. No available working or supported playlists.",void this.trigger("error");t=e.internal?this.logger_:tr.log.warn,a=e.message?" "+e.message:"";t((e.internal?"Internal problem":"Problem")+" encountered with playlist "+i.id+"."+a+" Switching to playlist "+r.id+"."),r.attributes.AUDIO!==i.attributes.AUDIO&&this.delegateLoaders_("audio",["abort","pause"]),r.attributes.SUBTITLES!==i.attributes.SUBTITLES&&this.delegateLoaders_("subtitle",["abort","pause"]),this.delegateLoaders_("main",["abort","pause"]);a=r.targetDuration/2*1e3||5e3,a="number"==typeof r.lastRequest&&Date.now()-r.lastRequest<=a;return this.switchMedia_(r,"exclude",s||a)},t.pauseLoading=function(){this.delegateLoaders_("all",["abort","pause"]),this.stopABRTimer_()},t.delegateLoaders_=function(i,e){var n=this,r=[],t="all"===i;!t&&"main"!==i||r.push(this.masterPlaylistLoader_);var a=[];!t&&"audio"!==i||a.push("AUDIO"),!t&&"subtitle"!==i||(a.push("CLOSED-CAPTIONS"),a.push("SUBTITLES")),a.forEach(function(e){e=n.mediaTypes_[e]&&n.mediaTypes_[e].activePlaylistLoader;e&&r.push(e)}),["main","audio","subtitle"].forEach(function(e){var t=n[e+"SegmentLoader_"];!t||i!==e&&"all"!==i||r.push(t)}),r.forEach(function(t){return e.forEach(function(e){"function"==typeof t[e]&&t[e]()})})},t.setCurrentTime=function(e){var t=Uo(this.tech_.buffered(),e);return this.masterPlaylistLoader_&&this.masterPlaylistLoader_.media()&&this.masterPlaylistLoader_.media().segments?t&&t.length?e:(this.mainSegmentLoader_.resetEverything(),this.mainSegmentLoader_.abort(),this.mediaTypes_.AUDIO.activePlaylistLoader&&(this.audioSegmentLoader_.resetEverything(),this.audioSegmentLoader_.abort()),this.mediaTypes_.SUBTITLES.activePlaylistLoader&&(this.subtitleSegmentLoader_.resetEverything(),this.subtitleSegmentLoader_.abort()),void this.load()):0},t.duration=function(){if(!this.masterPlaylistLoader_)return 0;var e=this.masterPlaylistLoader_.media();return e?e.endList?this.mediaSource?this.mediaSource.duration:Ql.Playlist.duration(e):1/0:0},t.seekable=function(){return this.seekable_},t.onSyncInfoUpdate_=function(){var e;if(this.masterPlaylistLoader_){var t=this.masterPlaylistLoader_.media();if(t){var i=this.syncController_.getExpiredTime(t,this.duration());if(null!==i){var n,r,a=this.masterPlaylistLoader_.master,s=Ql.Playlist.seekable(t,i,Ql.Playlist.liveEdgeDelay(a,t));if(0!==s.length){if(this.mediaTypes_.AUDIO.activePlaylistLoader){if(t=this.mediaTypes_.AUDIO.activePlaylistLoader.media(),null===(i=this.syncController_.getExpiredTime(t,this.duration())))return;if(0===(e=Ql.Playlist.seekable(t,i,Ql.Playlist.liveEdgeDelay(a,t))).length)return}this.seekable_&&this.seekable_.length&&(n=this.seekable_.end(0),r=this.seekable_.start(0)),!e||e.start(0)>s.end(0)||s.start(0)>e.end(0)?this.seekable_=s:this.seekable_=tr.createTimeRanges([[(e.start(0)>s.start(0)?e:s).start(0),(e.end(0) "'+a[e]+'"')}),u.length)return void this.blacklistCurrentPlaylist({playlist:this.media(),message:"Codec switching not supported: "+u.join(", ")+".",blacklistDuration:1/0,internal:!0})}return a}t=Object.keys(o).reduce(function(e,t){return e&&(e+=", "),e+=t+' does not support codec(s): "'+o[t].join(",")+'"'},"")+".";this.blacklistCurrentPlaylist({playlist:this.media(),internal:!0,message:t,blacklistDuration:1/0})}else this.blacklistCurrentPlaylist({playlist:this.media(),message:"Could not determine codecs for playlist.",blacklistDuration:1/0})},t.tryToCreateSourceBuffers_=function(){var e;"open"!==this.mediaSource.readyState||this.sourceUpdater_.hasCreatedSourceBuffers()||!this.areMediaTypesKnown_()||(e=this.getCodecsOrExclude_())&&(this.sourceUpdater_.createSourceBuffers(e),e=[e.video,e.audio].filter(Boolean).join(","),this.excludeIncompatibleVariants_(e))},t.excludeUnsupportedVariants_=function(){var n=this,r=this.master().playlists,a=[];Object.keys(r).forEach(function(e){var t,i=r[e];-1===a.indexOf(i.id)&&(a.push(i.id),t=[],!(e=$u(n.master,i)).audio||yr(e.audio)||gr(e.audio)||t.push("audio codec "+e.audio),!e.video||yr(e.video)||gr(e.video)||t.push("video codec "+e.video),e.text&&"stpp.ttml.im1t"===e.text&&t.push("text codec "+e.text),t.length&&(i.excludeUntil=1/0,n.logger_("excluding "+i.id+" for unsupported: "+t.join(", "))))})},t.excludeIncompatibleVariants_=function(e){var r=this,a=[],s=this.master().playlists,e=Yu(pr(e)),o=Qu(e),u=e.video&&pr(e.video)[0]||null,l=e.audio&&pr(e.audio)[0]||null;Object.keys(s).forEach(function(e){var t,i,n=s[e];-1===a.indexOf(n.id)&&n.excludeUntil!==1/0&&(a.push(n.id),t=[],i=$u(r.masterPlaylistLoader_.master,n),e=Qu(i),(i.audio||i.video)&&(e!==o&&t.push('codec count "'+e+'" !== "'+o+'"'),r.sourceUpdater_.canChangeType()||(e=i.video&&pr(i.video)[0]||null,i=i.audio&&pr(i.audio)[0]||null,e&&u&&e.type.toLowerCase()!==u.type.toLowerCase()&&t.push('video codec "'+e.type+'" !== "'+u.type+'"'),i&&l&&i.type.toLowerCase()!==l.type.toLowerCase()&&t.push('audio codec "'+i.type+'" !== "'+l.type+'"')),t.length&&(n.excludeUntil=1/0,r.logger_("blacklisting "+n.id+": "+t.join(" && ")))))})},t.updateAdCues_=function(e){var t=0,i=this.seekable();i.length&&(t=i.start(0)),function(e,t,i){if(void 0===i&&(i=0),e.segments)for(var n=i,r=0;r=r.adStartTime&&t<=r.adEndTime)return r}return null}(t,n+u.duration/2)){if("cueIn"in u){o.endTime=n,o.adEndTime=n,n+=u.duration,o=null;continue}if(n=t.end(t.length-1)))return this.techWaiting_();5<=this.consecutiveUpdates&&e===this.lastRecordedTime?(this.consecutiveUpdates++,this.waiting_()):e===this.lastRecordedTime?this.consecutiveUpdates++:(this.consecutiveUpdates=0,this.lastRecordedTime=e)}},t.cancelTimer_=function(){this.consecutiveUpdates=0,this.timer_&&(this.logger_("cancelTimer_"),clearTimeout(this.timer_)),this.timer_=null},t.fixesBadSeeks_=function(){if(!this.tech_.seeking())return!1;var e,t=this.seekable(),i=this.tech_.currentTime();if(this.afterSeekableWindow_(t,i,this.media(),this.allowSeeksWithinUnsafeLiveWindow)&&(e=t.end(t.length-1)),"undefined"!=typeof(e=this.beforeSeekableWindow_(t,i)?(a=t.start(0))+(a===t.end(0)?0:.1):e))return this.logger_("Trying to seek outside of seekable at time "+i+" with seekable range "+Fo(t)+". Seeking to "+e+"."),this.tech_.setCurrentTime(e),!0;for(var n=this.masterPlaylistController_.sourceUpdater_,r=this.tech_.buffered(),a=n.audioBuffer?n.audioBuffered():null,t=n.videoBuffer?n.videoBuffered():null,n=this.media(),s=n.partTargetDuration||2*(n.targetDuration-fl),o=[a,t],u=0;u "+t.end(0)+"]. Attempting to resume playback by seeking to the current time."),this.tech_.trigger({type:"usage",name:"vhs-unknown-waiting"}),this.tech_.trigger({type:"usage",name:"hls-unknown-waiting"})))},t.techWaiting_=function(){var e=this.seekable(),t=this.tech_.currentTime();if(this.tech_.seeking()||null!==this.timer_)return!0;if(this.beforeSeekableWindow_(e,t)){var i=e.end(e.length-1);return this.logger_("Fell out of live window at time "+t+". 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this.cancelTimer_(),this.tech_.setCurrentTime(t),this.tech_.trigger({type:"usage",name:"vhs-video-underflow"}),this.tech_.trigger({type:"usage",name:"hls-video-underflow"}),!0;e=Bo(i,t);if(0.tippy-backdrop{background-color:#fff}.tippy-box[data-theme~=light-border]>.tippy-arrow:after,.tippy-box[data-theme~=light-border]>.tippy-svg-arrow:after{content:"";position:absolute;z-index:-1}.tippy-box[data-theme~=light-border]>.tippy-arrow:after{border-color:transparent;border-style:solid}.tippy-box[data-theme~=light-border][data-placement^=top]>.tippy-arrow:before{border-top-color:#fff}.tippy-box[data-theme~=light-border][data-placement^=top]>.tippy-arrow:after{border-top-color:rgba(0,8,16,.2);border-width:7px 7px 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0000000000000000000000000000000000000000..c2857c39b32aaf9a1dfc71de07a1948875a4ec76 --- /dev/null +++ b/accelerate_files/libs/quarto-html/quarto-html.min.css @@ -0,0 +1 @@ +/*# sourceMappingURL=0a6b880beb84f9b6f36107a76f82c5b1.css.map */ diff --git a/accelerate_files/libs/quarto-html/quarto-syntax-highlighting-dark.css b/accelerate_files/libs/quarto-html/quarto-syntax-highlighting-dark.css new file mode 100644 index 0000000000000000000000000000000000000000..343d2f80cafd818c562eab967cd4b28adacac885 --- /dev/null +++ b/accelerate_files/libs/quarto-html/quarto-syntax-highlighting-dark.css @@ -0,0 +1,189 @@ +/* quarto syntax highlight colors */ +:root { + --quarto-hl-al-color: #f07178; + --quarto-hl-an-color: #d4d0ab; + --quarto-hl-at-color: #00e0e0; + --quarto-hl-bn-color: #d4d0ab; + --quarto-hl-bu-color: #abe338; + --quarto-hl-ch-color: #abe338; + --quarto-hl-co-color: #f8f8f2; + --quarto-hl-cv-color: #ffd700; + --quarto-hl-cn-color: #ffd700; + --quarto-hl-cf-color: #ffa07a; + --quarto-hl-dt-color: #ffa07a; + --quarto-hl-dv-color: #d4d0ab; + --quarto-hl-do-color: #f8f8f2; + --quarto-hl-er-color: #f07178; + --quarto-hl-ex-color: #00e0e0; + --quarto-hl-fl-color: #d4d0ab; + --quarto-hl-fu-color: #ffa07a; + --quarto-hl-im-color: #abe338; + --quarto-hl-in-color: #d4d0ab; + --quarto-hl-kw-color: #ffa07a; + --quarto-hl-op-color: #ffa07a; + --quarto-hl-ot-color: #00e0e0; + --quarto-hl-pp-color: #dcc6e0; + --quarto-hl-re-color: #00e0e0; + --quarto-hl-sc-color: #abe338; + --quarto-hl-ss-color: #abe338; + --quarto-hl-st-color: #abe338; + --quarto-hl-va-color: #00e0e0; + --quarto-hl-vs-color: #abe338; + --quarto-hl-wa-color: #dcc6e0; +} + +/* other quarto variables */ +:root { + --quarto-font-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; +} + +code span.al { + background-color: #2a0f15; + font-weight: bold; + color: #f07178; +} + +code span.an { + color: #d4d0ab; +} + +code span.at { + color: #00e0e0; +} + +code span.bn { + color: #d4d0ab; +} + +code span.bu { + color: #abe338; +} + +code span.ch { + color: #abe338; +} + +code span.co { + font-style: italic; + color: #f8f8f2; +} + +code span.cv { + color: #ffd700; +} + +code span.cn { + color: #ffd700; +} + +code span.cf { + font-weight: bold; + color: #ffa07a; +} + +code span.dt { + color: #ffa07a; +} + +code span.dv { + color: #d4d0ab; +} + +code span.do { + color: #f8f8f2; +} + +code span.er { + color: #f07178; + text-decoration: underline; +} + +code span.ex { + font-weight: bold; + color: #00e0e0; +} + +code span.fl { + color: #d4d0ab; +} + +code span.fu { + color: #ffa07a; +} + +code span.im { + color: #abe338; +} + +code span.in { + color: #d4d0ab; +} + +code span.kw { + font-weight: bold; + color: #ffa07a; +} + +pre > code.sourceCode > span { + color: #f8f8f2; +} + +code span { + color: #f8f8f2; +} + +code.sourceCode > span { + color: #f8f8f2; +} + +div.sourceCode, +div.sourceCode pre.sourceCode { + color: #f8f8f2; +} + +code span.op { + color: #ffa07a; +} + +code span.ot { + color: #00e0e0; +} + +code span.pp { + color: #dcc6e0; +} + +code span.re { + background-color: #f8f8f2; + color: #00e0e0; +} + +code span.sc { + color: #abe338; +} + +code span.ss { + color: #abe338; +} + +code span.st { + color: #abe338; +} + +code span.va { + color: #00e0e0; +} + +code span.vs { + color: #abe338; +} + +code span.wa { + color: #dcc6e0; +} + +.prevent-inlining { + content: " !el.hasAttribute("disabled") && !el.getAttribute("aria-hidden") + ); + }; + + /** + * Remove roles and attributes from a tab and its content + * @param {Node} tab The tab + * @param {Node} content The tab content + * @param {Object} settings User settings and options + */ + var destroyTab = function (tab, content, settings) { + // Remove the generated ID + if (tab.id.slice(0, settings.idPrefix.length) === settings.idPrefix) { + tab.id = ""; + } + + // remove event listener + tab.removeEventListener("focus", focusHandler, true); + + // Remove roles + tab.removeAttribute("role"); + tab.removeAttribute("aria-controls"); + tab.removeAttribute("aria-selected"); + tab.removeAttribute("tabindex"); + tab.closest("li").removeAttribute("role"); + content.removeAttribute("role"); + content.removeAttribute("aria-labelledby"); + content.removeAttribute("hidden"); + }; + + /** + * Add the required roles and attributes to a tab and its content + * @param {Node} tab The tab + * @param {Node} content The tab content + * @param {Object} settings User settings and options + */ + var setupTab = function (tab, content, settings) { + // Give tab an ID if it doesn't already have one + if (!tab.id) { + tab.id = settings.idPrefix + content.id; + } + + // Add roles + tab.setAttribute("role", "tab"); + tab.setAttribute("aria-controls", content.id); + tab.closest("li").setAttribute("role", "presentation"); + content.setAttribute("role", "tabpanel"); + content.setAttribute("aria-labelledby", tab.id); + + // Add selected state + if (tab.matches(settings.default)) { + tab.setAttribute("aria-selected", "true"); + } else { + tab.setAttribute("aria-selected", "false"); + content.setAttribute("hidden", "hidden"); + } + + // add focus event listender + tab.addEventListener("focus", focusHandler); + }; + + /** + * Hide a tab and its content + * @param {Node} newTab The new tab that's replacing it + */ + var hide = function (newTab) { + // Variables + var tabGroup = newTab.closest('[role="tablist"]'); + if (!tabGroup) return {}; + var tab = tabGroup.querySelector('[role="tab"][aria-selected="true"]'); + if (!tab) return {}; + var content = document.querySelector(tab.hash); + + // Hide the tab + tab.setAttribute("aria-selected", "false"); + + // Hide the content + if (!content) return { previousTab: tab }; + content.setAttribute("hidden", "hidden"); + + // Return the hidden tab and content + return { + previousTab: tab, + previousContent: content, + }; + }; + + /** + * Show a tab and its content + * @param {Node} tab The tab + * @param {Node} content The tab content + */ + var show = function (tab, content) { + tab.setAttribute("aria-selected", "true"); + content.removeAttribute("hidden"); + tab.focus(); + }; + + /** + * Toggle a new tab + * @param {Node} tab The tab to show + */ + var toggle = function (tab) { + // Make sure there's a tab to toggle and it's not already active + if (!tab || tab.getAttribute("aria-selected") == "true") return; + + // Variables + var content = document.querySelector(tab.hash); + if (!content) return; + + // Hide active tab and content + var details = hide(tab); + + // Show new tab and content + show(tab, content); + + // Add event details + details.tab = tab; + details.content = content; + + // Emit a custom event + emitEvent(tab, details); + }; + + /** + * Get all of the tabs in a tablist + * @param {Node} tab A tab from the list + * @return {Object} The tabs and the index of the currently active one + */ + var getTabsMap = function (tab) { + var tabGroup = tab.closest('[role="tablist"]'); + var tabs = tabGroup ? tabGroup.querySelectorAll('[role="tab"]') : null; + if (!tabs) return; + return { + tabs: tabs, + index: Array.prototype.indexOf.call(tabs, tab), + }; + }; + + /** + * Switch the active tab based on keyboard activity + * @param {Node} tab The currently active tab + * @param {Key} key The key that was pressed + */ + var switchTabs = function (tab, key) { + // Get a map of tabs + var map = getTabsMap(tab); + if (!map) return; + var length = map.tabs.length - 1; + var index; + + // Go to previous tab + if (["ArrowUp", "ArrowLeft", "Up", "Left"].indexOf(key) > -1) { + index = map.index < 1 ? length : map.index - 1; + } + + // Go to next tab + else if (["ArrowDown", "ArrowRight", "Down", "Right"].indexOf(key) > -1) { + index = map.index === length ? 0 : map.index + 1; + } + + // Go to home + else if (key === "Home") { + index = 0; + } + + // Go to end + else if (key === "End") { + index = length; + } + + // Toggle the tab + toggle(map.tabs[index]); + }; + + /** + * Create the Constructor object + */ + var Constructor = function (selector, options) { + // + // Variables + // + + var publicAPIs = {}; + var settings, tabWrapper; + + // + // Methods + // + + publicAPIs.destroy = function () { + // Get all tabs + var tabs = tabWrapper.querySelectorAll("a"); + + // Add roles to tabs + Array.prototype.forEach.call(tabs, function (tab) { + // Get the tab content + var content = document.querySelector(tab.hash); + if (!content) return; + + // Setup the tab + destroyTab(tab, content, settings); + }); + + // Remove role from wrapper + tabWrapper.removeAttribute("role"); + + // Remove event listeners + document.documentElement.removeEventListener( + "click", + clickHandler, + true + ); + tabWrapper.removeEventListener("keydown", keyHandler, true); + + // Reset variables + settings = null; + tabWrapper = null; + }; + + /** + * Setup the DOM with the proper attributes + */ + publicAPIs.setup = function () { + // Variables + tabWrapper = document.querySelector(selector); + if (!tabWrapper) return; + var tabs = tabWrapper.querySelectorAll("a"); + + // Add role to wrapper + tabWrapper.setAttribute("role", "tablist"); + + // Add roles to tabs. provide dynanmic tab indexes if we are within reveal + var contentTabindexes = + window.document.body.classList.contains("reveal-viewport"); + var nextTabindex = 1; + Array.prototype.forEach.call(tabs, function (tab) { + if (contentTabindexes) { + tab.setAttribute("tabindex", "" + nextTabindex++); + } else { + tab.setAttribute("tabindex", "0"); + } + + // Get the tab content + var content = document.querySelector(tab.hash); + if (!content) return; + + // set tab indexes for content + if (contentTabindexes) { + getKeyboardFocusableElements(content).forEach(function (el) { + el.setAttribute("tabindex", "" + nextTabindex++); + }); + } + + // Setup the tab + setupTab(tab, content, settings); + }); + }; + + /** + * Toggle a tab based on an ID + * @param {String|Node} id The tab to toggle + */ + publicAPIs.toggle = function (id) { + // Get the tab + var tab = id; + if (typeof id === "string") { + tab = document.querySelector( + selector + ' [role="tab"][href*="' + id + '"]' + ); + } + + // Toggle the tab + toggle(tab); + }; + + /** + * Handle click events + */ + var clickHandler = function (event) { + // Only run on toggles + var tab = event.target.closest(selector + ' [role="tab"]'); + if (!tab) return; + + // Prevent link behavior + event.preventDefault(); + + // Toggle the tab + toggle(tab); + }; + + /** + * Handle keydown events + */ + var keyHandler = function (event) { + // Only run if a tab is in focus + var tab = document.activeElement; + if (!tab.matches(selector + ' [role="tab"]')) return; + + // Only run for specific keys + if (["Home", "End"].indexOf(event.key) < 0) return; + + // Switch tabs + switchTabs(tab, event.key); + }; + + /** + * Initialize the instance + */ + var init = function () { + // Merge user options with defaults + settings = extend(defaults, options || {}); + + // Setup the DOM + publicAPIs.setup(); + + // Add event listeners + document.documentElement.addEventListener("click", clickHandler, true); + tabWrapper.addEventListener("keydown", keyHandler, true); + }; + + // + // Initialize and return the Public APIs + // + + init(); + return publicAPIs; + }; + + // + // Return the Constructor + // + + return Constructor; + } +); diff --git a/accelerate_files/libs/quarto-html/tippy.css b/accelerate_files/libs/quarto-html/tippy.css new file mode 100644 index 0000000000000000000000000000000000000000..e6ae635cb1f82b176c18afa80dfa029c7a536e70 --- /dev/null +++ b/accelerate_files/libs/quarto-html/tippy.css @@ -0,0 +1 @@ +.tippy-box[data-animation=fade][data-state=hidden]{opacity:0}[data-tippy-root]{max-width:calc(100vw - 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+{"version":3,"file":"reveal.esm.js","sources":["../js/utils/util.js","../js/utils/device.js","../node_modules/fitty/dist/fitty.module.js","../js/controllers/slidecontent.js","../js/controllers/slidenumber.js","../js/utils/color.js","../js/controllers/backgrounds.js","../js/utils/constants.js","../js/controllers/autoanimate.js","../js/controllers/fragments.js","../js/controllers/overview.js","../js/controllers/keyboard.js","../js/controllers/location.js","../js/controllers/controls.js","../js/controllers/progress.js","../js/controllers/pointer.js","../js/utils/loader.js","../js/controllers/plugins.js","../js/controllers/print.js","../js/controllers/touch.js","../js/controllers/focus.js","../js/controllers/notes.js","../js/components/playback.js","../js/config.js","../js/reveal.js","../js/index.js"],"sourcesContent":["/**\n * Extend object a with the properties of object b.\n * If there's a conflict, object b takes precedence.\n *\n * @param {object} a\n * @param {object} b\n */\nexport const extend = ( a, b ) => {\n\n\tfor( let i in b ) {\n\t\ta[ i ] = b[ i ];\n\t}\n\n\treturn a;\n\n}\n\n/**\n * querySelectorAll but returns an Array.\n */\nexport const queryAll = ( el, selector ) => {\n\n\treturn Array.from( el.querySelectorAll( selector ) );\n\n}\n\n/**\n * classList.toggle() with cross browser support\n */\nexport const toggleClass = ( el, className, value ) => {\n\tif( value ) {\n\t\tel.classList.add( className );\n\t}\n\telse {\n\t\tel.classList.remove( className );\n\t}\n}\n\n/**\n * Utility for deserializing a value.\n *\n * @param {*} value\n * @return {*}\n */\nexport const deserialize = ( value ) => {\n\n\tif( typeof value === 'string' ) {\n\t\tif( value === 'null' ) return null;\n\t\telse if( value === 'true' ) return true;\n\t\telse if( value === 'false' ) return false;\n\t\telse if( value.match( /^-?[\\d\\.]+$/ ) ) return parseFloat( value );\n\t}\n\n\treturn value;\n\n}\n\n/**\n * Measures the distance in pixels between point a\n * and point b.\n *\n * @param {object} a point with x/y properties\n * @param {object} b point with x/y properties\n *\n * @return {number}\n */\nexport const distanceBetween = ( a, b ) => {\n\n\tlet dx = a.x - b.x,\n\t\tdy = a.y - b.y;\n\n\treturn Math.sqrt( dx*dx + dy*dy );\n\n}\n\n/**\n * Applies a CSS transform to the target element.\n *\n * @param {HTMLElement} element\n * @param {string} transform\n */\nexport const transformElement = ( element, transform ) => {\n\n\telement.style.transform = transform;\n\n}\n\n/**\n * Element.matches with IE support.\n *\n * @param {HTMLElement} target The element to match\n * @param {String} selector The CSS selector to match\n * the element against\n *\n * @return {Boolean}\n */\nexport const matches = ( target, selector ) => {\n\n\tlet matchesMethod = target.matches || target.matchesSelector || target.msMatchesSelector;\n\n\treturn !!( matchesMethod && matchesMethod.call( target, selector ) );\n\n}\n\n/**\n * Find the closest parent that matches the given\n * selector.\n *\n * @param {HTMLElement} target The child element\n * @param {String} selector The CSS selector to match\n * the parents against\n *\n * @return {HTMLElement} The matched parent or null\n * if no matching parent was found\n */\nexport const closest = ( target, selector ) => {\n\n\t// Native Element.closest\n\tif( typeof target.closest === 'function' ) {\n\t\treturn target.closest( selector );\n\t}\n\n\t// Polyfill\n\twhile( target ) {\n\t\tif( matches( target, selector ) ) {\n\t\t\treturn target;\n\t\t}\n\n\t\t// Keep searching\n\t\ttarget = target.parentNode;\n\t}\n\n\treturn null;\n\n}\n\n/**\n * Handling the fullscreen functionality via the fullscreen API\n *\n * @see http://fullscreen.spec.whatwg.org/\n * @see https://developer.mozilla.org/en-US/docs/DOM/Using_fullscreen_mode\n */\nexport const enterFullscreen = element => {\n\n\telement = element || document.documentElement;\n\n\t// Check which implementation is available\n\tlet requestMethod = element.requestFullscreen ||\n\t\t\t\t\t\telement.webkitRequestFullscreen ||\n\t\t\t\t\t\telement.webkitRequestFullScreen ||\n\t\t\t\t\t\telement.mozRequestFullScreen ||\n\t\t\t\t\t\telement.msRequestFullscreen;\n\n\tif( requestMethod ) {\n\t\trequestMethod.apply( element );\n\t}\n\n}\n\n/**\n * Creates an HTML element and returns a reference to it.\n * If the element already exists the existing instance will\n * be returned.\n *\n * @param {HTMLElement} container\n * @param {string} tagname\n * @param {string} classname\n * @param {string} innerHTML\n *\n * @return {HTMLElement}\n */\nexport const createSingletonNode = ( container, tagname, classname, innerHTML='' ) => {\n\n\t// Find all nodes matching the description\n\tlet nodes = container.querySelectorAll( '.' + classname );\n\n\t// Check all matches to find one which is a direct child of\n\t// the specified container\n\tfor( let i = 0; i < nodes.length; i++ ) {\n\t\tlet testNode = nodes[i];\n\t\tif( testNode.parentNode === container ) {\n\t\t\treturn testNode;\n\t\t}\n\t}\n\n\t// If no node was found, create it now\n\tlet node = document.createElement( tagname );\n\tnode.className = classname;\n\tnode.innerHTML = innerHTML;\n\tcontainer.appendChild( node );\n\n\treturn node;\n\n}\n\n/**\n * Injects the given CSS styles into the DOM.\n *\n * @param {string} value\n */\nexport const createStyleSheet = ( value ) => {\n\n\tlet tag = document.createElement( 'style' );\n\ttag.type = 'text/css';\n\n\tif( value && value.length > 0 ) {\n\t\tif( tag.styleSheet ) {\n\t\t\ttag.styleSheet.cssText = value;\n\t\t}\n\t\telse {\n\t\t\ttag.appendChild( document.createTextNode( value ) );\n\t\t}\n\t}\n\n\tdocument.head.appendChild( tag );\n\n\treturn tag;\n\n}\n\n/**\n * Returns a key:value hash of all query params.\n */\nexport const getQueryHash = () => {\n\n\tlet query = {};\n\n\tlocation.search.replace( /[A-Z0-9]+?=([\\w\\.%-]*)/gi, a => {\n\t\tquery[ a.split( '=' ).shift() ] = a.split( '=' ).pop();\n\t} );\n\n\t// Basic deserialization\n\tfor( let i in query ) {\n\t\tlet value = query[ i ];\n\n\t\tquery[ i ] = deserialize( unescape( value ) );\n\t}\n\n\t// Do not accept new dependencies via query config to avoid\n\t// the potential of malicious script injection\n\tif( typeof query['dependencies'] !== 'undefined' ) delete query['dependencies'];\n\n\treturn query;\n\n}\n\n/**\n * Returns the remaining height within the parent of the\n * target element.\n *\n * remaining height = [ configured parent height ] - [ current parent height ]\n *\n * @param {HTMLElement} element\n * @param {number} [height]\n */\nexport const getRemainingHeight = ( element, height = 0 ) => {\n\n\tif( element ) {\n\t\tlet newHeight, oldHeight = element.style.height;\n\n\t\t// Change the .stretch element height to 0 in order find the height of all\n\t\t// the other elements\n\t\telement.style.height = '0px';\n\n\t\t// In Overview mode, the parent (.slide) height is set of 700px.\n\t\t// Restore it temporarily to its natural height.\n\t\telement.parentNode.style.height = 'auto';\n\n\t\tnewHeight = height - element.parentNode.offsetHeight;\n\n\t\t// Restore the old height, just in case\n\t\telement.style.height = oldHeight + 'px';\n\n\t\t// Clear the parent (.slide) height. .removeProperty works in IE9+\n\t\telement.parentNode.style.removeProperty('height');\n\n\t\treturn newHeight;\n\t}\n\n\treturn height;\n\n}\n\nconst fileExtensionToMimeMap = {\n\t'mp4': 'video/mp4',\n\t'm4a': 'video/mp4',\n\t'ogv': 'video/ogg',\n\t'mpeg': 'video/mpeg',\n\t'webm': 'video/webm'\n}\n\n/**\n * Guess the MIME type for common file formats.\n */\nexport const getMimeTypeFromFile = ( filename='' ) => {\n\treturn fileExtensionToMimeMap[filename.split('.').pop()]\n}","const UA = navigator.userAgent;\n\nexport const isMobile = /(iphone|ipod|ipad|android)/gi.test( UA ) ||\n\t\t\t\t\t\t( navigator.platform === 'MacIntel' && navigator.maxTouchPoints > 1 ); // iPadOS\n\nexport const isChrome = /chrome/i.test( UA ) && !/edge/i.test( UA );\n\nexport const isAndroid = /android/gi.test( UA );","/*\n * fitty v2.3.3 - Snugly resizes text to fit its parent container\n * Copyright (c) 2020 Rik Schennink (https://pqina.nl/)\n */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n value: true\n});\n\nvar _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\nexports.default = function (w) {\n\n // no window, early exit\n if (!w) return;\n\n // node list to array helper method\n var toArray = function toArray(nl) {\n return [].slice.call(nl);\n };\n\n // states\n var DrawState = {\n IDLE: 0,\n DIRTY_CONTENT: 1,\n DIRTY_LAYOUT: 2,\n DIRTY: 3\n };\n\n // all active fitty elements\n var fitties = [];\n\n // group all redraw calls till next frame, we cancel each frame request when a new one comes in. If no support for request animation frame, this is an empty function and supports for fitty stops.\n var redrawFrame = null;\n var requestRedraw = 'requestAnimationFrame' in w ? function () {\n w.cancelAnimationFrame(redrawFrame);\n redrawFrame = w.requestAnimationFrame(function () {\n return redraw(fitties.filter(function (f) {\n return f.dirty && f.active;\n }));\n });\n } : function () {};\n\n // sets all fitties to dirty so they are redrawn on the next redraw loop, then calls redraw\n var redrawAll = function redrawAll(type) {\n return function () {\n fitties.forEach(function (f) {\n return f.dirty = type;\n });\n requestRedraw();\n };\n };\n\n // redraws fitties so they nicely fit their parent container\n var redraw = function redraw(fitties) {\n\n // getting info from the DOM at this point should not trigger a reflow, let's gather as much intel as possible before triggering a reflow\n\n // check if styles of all fitties have been computed\n fitties.filter(function (f) {\n return !f.styleComputed;\n }).forEach(function (f) {\n f.styleComputed = computeStyle(f);\n });\n\n // restyle elements that require pre-styling, this triggers a reflow, please try to prevent by adding CSS rules (see docs)\n fitties.filter(shouldPreStyle).forEach(applyStyle);\n\n // we now determine which fitties should be redrawn\n var fittiesToRedraw = fitties.filter(shouldRedraw);\n\n // we calculate final styles for these fitties\n fittiesToRedraw.forEach(calculateStyles);\n\n // now we apply the calculated styles from our previous loop\n fittiesToRedraw.forEach(function (f) {\n applyStyle(f);\n markAsClean(f);\n });\n\n // now we dispatch events for all restyled fitties\n fittiesToRedraw.forEach(dispatchFitEvent);\n };\n\n var markAsClean = function markAsClean(f) {\n return f.dirty = DrawState.IDLE;\n };\n\n var calculateStyles = function calculateStyles(f) {\n\n // get available width from parent node\n f.availableWidth = f.element.parentNode.clientWidth;\n\n // the space our target element uses\n f.currentWidth = f.element.scrollWidth;\n\n // remember current font size\n f.previousFontSize = f.currentFontSize;\n\n // let's calculate the new font size\n f.currentFontSize = Math.min(Math.max(f.minSize, f.availableWidth / f.currentWidth * f.previousFontSize), f.maxSize);\n\n // if allows wrapping, only wrap when at minimum font size (otherwise would break container)\n f.whiteSpace = f.multiLine && f.currentFontSize === f.minSize ? 'normal' : 'nowrap';\n };\n\n // should always redraw if is not dirty layout, if is dirty layout, only redraw if size has changed\n var shouldRedraw = function shouldRedraw(f) {\n return f.dirty !== DrawState.DIRTY_LAYOUT || f.dirty === DrawState.DIRTY_LAYOUT && f.element.parentNode.clientWidth !== f.availableWidth;\n };\n\n // every fitty element is tested for invalid styles\n var computeStyle = function computeStyle(f) {\n\n // get style properties\n var style = w.getComputedStyle(f.element, null);\n\n // get current font size in pixels (if we already calculated it, use the calculated version)\n f.currentFontSize = parseFloat(style.getPropertyValue('font-size'));\n\n // get display type and wrap mode\n f.display = style.getPropertyValue('display');\n f.whiteSpace = style.getPropertyValue('white-space');\n };\n\n // determines if this fitty requires initial styling, can be prevented by applying correct styles through CSS\n var shouldPreStyle = function shouldPreStyle(f) {\n\n var preStyle = false;\n\n // if we already tested for prestyling we don't have to do it again\n if (f.preStyleTestCompleted) return false;\n\n // should have an inline style, if not, apply\n if (!/inline-/.test(f.display)) {\n preStyle = true;\n f.display = 'inline-block';\n }\n\n // to correctly calculate dimensions the element should have whiteSpace set to nowrap\n if (f.whiteSpace !== 'nowrap') {\n preStyle = true;\n f.whiteSpace = 'nowrap';\n }\n\n // we don't have to do this twice\n f.preStyleTestCompleted = true;\n\n return preStyle;\n };\n\n // apply styles to single fitty\n var applyStyle = function applyStyle(f) {\n f.element.style.whiteSpace = f.whiteSpace;\n f.element.style.display = f.display;\n f.element.style.fontSize = f.currentFontSize + 'px';\n };\n\n // dispatch a fit event on a fitty\n var dispatchFitEvent = function dispatchFitEvent(f) {\n f.element.dispatchEvent(new CustomEvent('fit', {\n detail: {\n oldValue: f.previousFontSize,\n newValue: f.currentFontSize,\n scaleFactor: f.currentFontSize / f.previousFontSize\n }\n }));\n };\n\n // fit method, marks the fitty as dirty and requests a redraw (this will also redraw any other fitty marked as dirty)\n var fit = function fit(f, type) {\n return function () {\n f.dirty = type;\n if (!f.active) return;\n requestRedraw();\n };\n };\n\n var init = function init(f) {\n\n // save some of the original CSS properties before we change them\n f.originalStyle = {\n whiteSpace: f.element.style.whiteSpace,\n display: f.element.style.display,\n fontSize: f.element.style.fontSize\n };\n\n // should we observe DOM mutations\n observeMutations(f);\n\n // this is a new fitty so we need to validate if it's styles are in order\n f.newbie = true;\n\n // because it's a new fitty it should also be dirty, we want it to redraw on the first loop\n f.dirty = true;\n\n // we want to be able to update this fitty\n fitties.push(f);\n };\n\n var destroy = function destroy(f) {\n return function () {\n\n // remove from fitties array\n fitties = fitties.filter(function (_) {\n return _.element !== f.element;\n });\n\n // stop observing DOM\n if (f.observeMutations) f.observer.disconnect();\n\n // reset the CSS properties we changes\n f.element.style.whiteSpace = f.originalStyle.whiteSpace;\n f.element.style.display = f.originalStyle.display;\n f.element.style.fontSize = f.originalStyle.fontSize;\n };\n };\n\n // add a new fitty, does not redraw said fitty\n var subscribe = function subscribe(f) {\n return function () {\n if (f.active) return;\n f.active = true;\n requestRedraw();\n };\n };\n\n // remove an existing fitty\n var unsubscribe = function unsubscribe(f) {\n return function () {\n return f.active = false;\n };\n };\n\n var observeMutations = function observeMutations(f) {\n\n // no observing?\n if (!f.observeMutations) return;\n\n // start observing mutations\n f.observer = new MutationObserver(fit(f, DrawState.DIRTY_CONTENT));\n\n // start observing\n f.observer.observe(f.element, f.observeMutations);\n };\n\n // default mutation observer settings\n var mutationObserverDefaultSetting = {\n subtree: true,\n childList: true,\n characterData: true\n };\n\n // default fitty options\n var defaultOptions = {\n minSize: 16,\n maxSize: 512,\n multiLine: true,\n observeMutations: 'MutationObserver' in w ? mutationObserverDefaultSetting : false\n };\n\n // array of elements in, fitty instances out\n function fittyCreate(elements, options) {\n\n // set options object\n var fittyOptions = _extends({}, defaultOptions, options);\n\n // create fitties\n var publicFitties = elements.map(function (element) {\n\n // create fitty instance\n var f = _extends({}, fittyOptions, {\n\n // internal options for this fitty\n element: element,\n active: true\n });\n\n // initialise this fitty\n init(f);\n\n // expose API\n return {\n element: element,\n fit: fit(f, DrawState.DIRTY),\n unfreeze: subscribe(f),\n freeze: unsubscribe(f),\n unsubscribe: destroy(f)\n };\n });\n\n // call redraw on newly initiated fitties\n requestRedraw();\n\n // expose fitties\n return publicFitties;\n }\n\n // fitty creation function\n function fitty(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n\n // if target is a string\n return typeof target === 'string' ?\n\n // treat it as a querySelector\n fittyCreate(toArray(document.querySelectorAll(target)), options) :\n\n // create single fitty\n fittyCreate([target], options)[0];\n }\n\n // handles viewport changes, redraws all fitties, but only does so after a timeout\n var resizeDebounce = null;\n var onWindowResized = function onWindowResized() {\n w.clearTimeout(resizeDebounce);\n resizeDebounce = w.setTimeout(redrawAll(DrawState.DIRTY_LAYOUT), fitty.observeWindowDelay);\n };\n\n // define observe window property, so when we set it to true or false events are automatically added and removed\n var events = ['resize', 'orientationchange'];\n Object.defineProperty(fitty, 'observeWindow', {\n set: function set(enabled) {\n var method = (enabled ? 'add' : 'remove') + 'EventListener';\n events.forEach(function (e) {\n w[method](e, onWindowResized);\n });\n }\n });\n\n // fitty global properties (by setting observeWindow to true the events above get added)\n fitty.observeWindow = true;\n fitty.observeWindowDelay = 100;\n\n // public fit all method, will force redraw no matter what\n fitty.fitAll = redrawAll(DrawState.DIRTY);\n\n // export our fitty function, we don't want to keep it to our selves\n return fitty;\n}(typeof window === 'undefined' ? null : window);","import { extend, queryAll, closest, getMimeTypeFromFile } from '../utils/util.js'\nimport { isMobile } from '../utils/device.js'\n\nimport fitty from 'fitty';\n\n/**\n * Handles loading, unloading and playback of slide\n * content such as images, videos and iframes.\n */\nexport default class SlideContent {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.startEmbeddedIframe = this.startEmbeddedIframe.bind( this );\n\n\t}\n\n\t/**\n\t * Should the given element be preloaded?\n\t * Decides based on local element attributes and global config.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tshouldPreload( element ) {\n\n\t\t// Prefer an explicit global preload setting\n\t\tlet preload = this.Reveal.getConfig().preloadIframes;\n\n\t\t// If no global setting is available, fall back on the element's\n\t\t// own preload setting\n\t\tif( typeof preload !== 'boolean' ) {\n\t\t\tpreload = element.hasAttribute( 'data-preload' );\n\t\t}\n\n\t\treturn preload;\n\t}\n\n\t/**\n\t * Called when the given slide is within the configured view\n\t * distance. Shows the slide element and loads any content\n\t * that is set to load lazily (data-src).\n\t *\n\t * @param {HTMLElement} slide Slide to show\n\t */\n\tload( slide, options = {} ) {\n\n\t\t// Show the slide element\n\t\tslide.style.display = this.Reveal.getConfig().display;\n\n\t\t// Media elements with data-src attributes\n\t\tqueryAll( slide, 'img[data-src], video[data-src], audio[data-src], iframe[data-src]' ).forEach( element => {\n\t\t\tif( element.tagName !== 'IFRAME' || this.shouldPreload( element ) ) {\n\t\t\t\telement.setAttribute( 'src', element.getAttribute( 'data-src' ) );\n\t\t\t\telement.setAttribute( 'data-lazy-loaded', '' );\n\t\t\t\telement.removeAttribute( 'data-src' );\n\t\t\t}\n\t\t} );\n\n\t\t// Media elements with children\n\t\tqueryAll( slide, 'video, audio' ).forEach( media => {\n\t\t\tlet sources = 0;\n\n\t\t\tqueryAll( media, 'source[data-src]' ).forEach( source => {\n\t\t\t\tsource.setAttribute( 'src', source.getAttribute( 'data-src' ) );\n\t\t\t\tsource.removeAttribute( 'data-src' );\n\t\t\t\tsource.setAttribute( 'data-lazy-loaded', '' );\n\t\t\t\tsources += 1;\n\t\t\t} );\n\n\t\t\t// Enable inline video playback in mobile Safari\n\t\t\tif( isMobile && media.tagName === 'VIDEO' ) {\n\t\t\t\tmedia.setAttribute( 'playsinline', '' );\n\t\t\t}\n\n\t\t\t// If we rewrote sources for this video/audio element, we need\n\t\t\t// to manually tell it to load from its new origin\n\t\t\tif( sources > 0 ) {\n\t\t\t\tmedia.load();\n\t\t\t}\n\t\t} );\n\n\n\t\t// Show the corresponding background element\n\t\tlet background = slide.slideBackgroundElement;\n\t\tif( background ) {\n\t\t\tbackground.style.display = 'block';\n\n\t\t\tlet backgroundContent = slide.slideBackgroundContentElement;\n\t\t\tlet backgroundIframe = slide.getAttribute( 'data-background-iframe' );\n\n\t\t\t// If the background contains media, load it\n\t\t\tif( background.hasAttribute( 'data-loaded' ) === false ) {\n\t\t\t\tbackground.setAttribute( 'data-loaded', 'true' );\n\n\t\t\t\tlet backgroundImage = slide.getAttribute( 'data-background-image' ),\n\t\t\t\t\tbackgroundVideo = slide.getAttribute( 'data-background-video' ),\n\t\t\t\t\tbackgroundVideoLoop = slide.hasAttribute( 'data-background-video-loop' ),\n\t\t\t\t\tbackgroundVideoMuted = slide.hasAttribute( 'data-background-video-muted' );\n\n\t\t\t\t// Images\n\t\t\t\tif( backgroundImage ) {\n\t\t\t\t\t// base64\n\t\t\t\t\tif( /^data:/.test( backgroundImage.trim() ) ) {\n\t\t\t\t\t\tbackgroundContent.style.backgroundImage = `url(${backgroundImage.trim()})`;\n\t\t\t\t\t}\n\t\t\t\t\t// URL(s)\n\t\t\t\t\telse {\n\t\t\t\t\t\tbackgroundContent.style.backgroundImage = backgroundImage.split( ',' ).map( background => {\n\t\t\t\t\t\t\treturn `url(${encodeURI(background.trim())})`;\n\t\t\t\t\t\t}).join( ',' );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t// Videos\n\t\t\t\telse if ( backgroundVideo && !this.Reveal.isSpeakerNotes() ) {\n\t\t\t\t\tlet video = document.createElement( 'video' );\n\n\t\t\t\t\tif( backgroundVideoLoop ) {\n\t\t\t\t\t\tvideo.setAttribute( 'loop', '' );\n\t\t\t\t\t}\n\n\t\t\t\t\tif( backgroundVideoMuted ) {\n\t\t\t\t\t\tvideo.muted = true;\n\t\t\t\t\t}\n\n\t\t\t\t\t// Enable inline playback in mobile Safari\n\t\t\t\t\t//\n\t\t\t\t\t// Mute is required for video to play when using\n\t\t\t\t\t// swipe gestures to navigate since they don't\n\t\t\t\t\t// count as direct user actions :'(\n\t\t\t\t\tif( isMobile ) {\n\t\t\t\t\t\tvideo.muted = true;\n\t\t\t\t\t\tvideo.setAttribute( 'playsinline', '' );\n\t\t\t\t\t}\n\n\t\t\t\t\t// Support comma separated lists of video sources\n\t\t\t\t\tbackgroundVideo.split( ',' ).forEach( source => {\n\t\t\t\t\t\tlet type = getMimeTypeFromFile( source );\n\t\t\t\t\t\tif( type ) {\n\t\t\t\t\t\t\tvideo.innerHTML += ``;\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tvideo.innerHTML += ``;\n\t\t\t\t\t\t}\n\t\t\t\t\t} );\n\n\t\t\t\t\tbackgroundContent.appendChild( video );\n\t\t\t\t}\n\t\t\t\t// Iframes\n\t\t\t\telse if( backgroundIframe && options.excludeIframes !== true ) {\n\t\t\t\t\tlet iframe = document.createElement( 'iframe' );\n\t\t\t\t\tiframe.setAttribute( 'allowfullscreen', '' );\n\t\t\t\t\tiframe.setAttribute( 'mozallowfullscreen', '' );\n\t\t\t\t\tiframe.setAttribute( 'webkitallowfullscreen', '' );\n\t\t\t\t\tiframe.setAttribute( 'allow', 'autoplay' );\n\n\t\t\t\t\tiframe.setAttribute( 'data-src', backgroundIframe );\n\n\t\t\t\t\tiframe.style.width = '100%';\n\t\t\t\t\tiframe.style.height = '100%';\n\t\t\t\t\tiframe.style.maxHeight = '100%';\n\t\t\t\t\tiframe.style.maxWidth = '100%';\n\n\t\t\t\t\tbackgroundContent.appendChild( iframe );\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// Start loading preloadable iframes\n\t\t\tlet backgroundIframeElement = backgroundContent.querySelector( 'iframe[data-src]' );\n\t\t\tif( backgroundIframeElement ) {\n\n\t\t\t\t// Check if this iframe is eligible to be preloaded\n\t\t\t\tif( this.shouldPreload( background ) && !/autoplay=(1|true|yes)/gi.test( backgroundIframe ) ) {\n\t\t\t\t\tif( backgroundIframeElement.getAttribute( 'src' ) !== backgroundIframe ) {\n\t\t\t\t\t\tbackgroundIframeElement.setAttribute( 'src', backgroundIframe );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\tthis.layout( slide );\n\n\t}\n\n\t/**\n\t * Applies JS-dependent layout helpers for the given slide,\n\t * if there are any.\n\t */\n\tlayout( slide ) {\n\n\t\t// Autosize text with the r-fit-text class based on the\n\t\t// size of its container. This needs to happen after the\n\t\t// slide is visible in order to measure the text.\n\t\tArray.from( slide.querySelectorAll( '.r-fit-text' ) ).forEach( element => {\n\t\t\tfitty( element, {\n\t\t\t\tminSize: 24,\n\t\t\t\tmaxSize: this.Reveal.getConfig().height * 0.8,\n\t\t\t\tobserveMutations: false,\n\t\t\t\tobserveWindow: false\n\t\t\t} );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Unloads and hides the given slide. This is called when the\n\t * slide is moved outside of the configured view distance.\n\t *\n\t * @param {HTMLElement} slide\n\t */\n\tunload( slide ) {\n\n\t\t// Hide the slide element\n\t\tslide.style.display = 'none';\n\n\t\t// Hide the corresponding background element\n\t\tlet background = this.Reveal.getSlideBackground( slide );\n\t\tif( background ) {\n\t\t\tbackground.style.display = 'none';\n\n\t\t\t// Unload any background iframes\n\t\t\tqueryAll( background, 'iframe[src]' ).forEach( element => {\n\t\t\t\telement.removeAttribute( 'src' );\n\t\t\t} );\n\t\t}\n\n\t\t// Reset lazy-loaded media elements with src attributes\n\t\tqueryAll( slide, 'video[data-lazy-loaded][src], audio[data-lazy-loaded][src], iframe[data-lazy-loaded][src]' ).forEach( element => {\n\t\t\telement.setAttribute( 'data-src', element.getAttribute( 'src' ) );\n\t\t\telement.removeAttribute( 'src' );\n\t\t} );\n\n\t\t// Reset lazy-loaded media elements with children\n\t\tqueryAll( slide, 'video[data-lazy-loaded] source[src], audio source[src]' ).forEach( source => {\n\t\t\tsource.setAttribute( 'data-src', source.getAttribute( 'src' ) );\n\t\t\tsource.removeAttribute( 'src' );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Enforces origin-specific format rules for embedded media.\n\t */\n\tformatEmbeddedContent() {\n\n\t\tlet _appendParamToIframeSource = ( sourceAttribute, sourceURL, param ) => {\n\t\t\tqueryAll( this.Reveal.getSlidesElement(), 'iframe['+ sourceAttribute +'*=\"'+ sourceURL +'\"]' ).forEach( el => {\n\t\t\t\tlet src = el.getAttribute( sourceAttribute );\n\t\t\t\tif( src && src.indexOf( param ) === -1 ) {\n\t\t\t\t\tel.setAttribute( sourceAttribute, src + ( !/\\?/.test( src ) ? '?' : '&' ) + param );\n\t\t\t\t}\n\t\t\t});\n\t\t};\n\n\t\t// YouTube frames must include \"?enablejsapi=1\"\n\t\t_appendParamToIframeSource( 'src', 'youtube.com/embed/', 'enablejsapi=1' );\n\t\t_appendParamToIframeSource( 'data-src', 'youtube.com/embed/', 'enablejsapi=1' );\n\n\t\t// Vimeo frames must include \"?api=1\"\n\t\t_appendParamToIframeSource( 'src', 'player.vimeo.com/', 'api=1' );\n\t\t_appendParamToIframeSource( 'data-src', 'player.vimeo.com/', 'api=1' );\n\n\t}\n\n\t/**\n\t * Start playback of any embedded content inside of\n\t * the given element.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tstartEmbeddedContent( element ) {\n\n\t\tif( element && !this.Reveal.isSpeakerNotes() ) {\n\n\t\t\t// Restart GIFs\n\t\t\tqueryAll( element, 'img[src$=\".gif\"]' ).forEach( el => {\n\t\t\t\t// Setting the same unchanged source like this was confirmed\n\t\t\t\t// to work in Chrome, FF & Safari\n\t\t\t\tel.setAttribute( 'src', el.getAttribute( 'src' ) );\n\t\t\t} );\n\n\t\t\t// HTML5 media elements\n\t\t\tqueryAll( element, 'video, audio' ).forEach( el => {\n\t\t\t\tif( closest( el, '.fragment' ) && !closest( el, '.fragment.visible' ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\t// Prefer an explicit global autoplay setting\n\t\t\t\tlet autoplay = this.Reveal.getConfig().autoPlayMedia;\n\n\t\t\t\t// If no global setting is available, fall back on the element's\n\t\t\t\t// own autoplay setting\n\t\t\t\tif( typeof autoplay !== 'boolean' ) {\n\t\t\t\t\tautoplay = el.hasAttribute( 'data-autoplay' ) || !!closest( el, '.slide-background' );\n\t\t\t\t}\n\n\t\t\t\tif( autoplay && typeof el.play === 'function' ) {\n\n\t\t\t\t\t// If the media is ready, start playback\n\t\t\t\t\tif( el.readyState > 1 ) {\n\t\t\t\t\t\tthis.startEmbeddedMedia( { target: el } );\n\t\t\t\t\t}\n\t\t\t\t\t// Mobile devices never fire a loaded event so instead\n\t\t\t\t\t// of waiting, we initiate playback\n\t\t\t\t\telse if( isMobile ) {\n\t\t\t\t\t\tlet promise = el.play();\n\n\t\t\t\t\t\t// If autoplay does not work, ensure that the controls are visible so\n\t\t\t\t\t\t// that the viewer can start the media on their own\n\t\t\t\t\t\tif( promise && typeof promise.catch === 'function' && el.controls === false ) {\n\t\t\t\t\t\t\tpromise.catch( () => {\n\t\t\t\t\t\t\t\tel.controls = true;\n\n\t\t\t\t\t\t\t\t// Once the video does start playing, hide the controls again\n\t\t\t\t\t\t\t\tel.addEventListener( 'play', () => {\n\t\t\t\t\t\t\t\t\tel.controls = false;\n\t\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t// If the media isn't loaded, wait before playing\n\t\t\t\t\telse {\n\t\t\t\t\t\tel.removeEventListener( 'loadeddata', this.startEmbeddedMedia ); // remove first to avoid dupes\n\t\t\t\t\t\tel.addEventListener( 'loadeddata', this.startEmbeddedMedia );\n\t\t\t\t\t}\n\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\t// Normal iframes\n\t\t\tqueryAll( element, 'iframe[src]' ).forEach( el => {\n\t\t\t\tif( closest( el, '.fragment' ) && !closest( el, '.fragment.visible' ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tthis.startEmbeddedIframe( { target: el } );\n\t\t\t} );\n\n\t\t\t// Lazy loading iframes\n\t\t\tqueryAll( element, 'iframe[data-src]' ).forEach( el => {\n\t\t\t\tif( closest( el, '.fragment' ) && !closest( el, '.fragment.visible' ) ) {\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tif( el.getAttribute( 'src' ) !== el.getAttribute( 'data-src' ) ) {\n\t\t\t\t\tel.removeEventListener( 'load', this.startEmbeddedIframe ); // remove first to avoid dupes\n\t\t\t\t\tel.addEventListener( 'load', this.startEmbeddedIframe );\n\t\t\t\t\tel.setAttribute( 'src', el.getAttribute( 'data-src' ) );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Starts playing an embedded video/audio element after\n\t * it has finished loading.\n\t *\n\t * @param {object} event\n\t */\n\tstartEmbeddedMedia( event ) {\n\n\t\tlet isAttachedToDOM = !!closest( event.target, 'html' ),\n\t\t\tisVisible \t\t= !!closest( event.target, '.present' );\n\n\t\tif( isAttachedToDOM && isVisible ) {\n\t\t\tevent.target.currentTime = 0;\n\t\t\tevent.target.play();\n\t\t}\n\n\t\tevent.target.removeEventListener( 'loadeddata', this.startEmbeddedMedia );\n\n\t}\n\n\t/**\n\t * \"Starts\" the content of an embedded iframe using the\n\t * postMessage API.\n\t *\n\t * @param {object} event\n\t */\n\tstartEmbeddedIframe( event ) {\n\n\t\tlet iframe = event.target;\n\n\t\tif( iframe && iframe.contentWindow ) {\n\n\t\t\tlet isAttachedToDOM = !!closest( event.target, 'html' ),\n\t\t\t\tisVisible \t\t= !!closest( event.target, '.present' );\n\n\t\t\tif( isAttachedToDOM && isVisible ) {\n\n\t\t\t\t// Prefer an explicit global autoplay setting\n\t\t\t\tlet autoplay = this.Reveal.getConfig().autoPlayMedia;\n\n\t\t\t\t// If no global setting is available, fall back on the element's\n\t\t\t\t// own autoplay setting\n\t\t\t\tif( typeof autoplay !== 'boolean' ) {\n\t\t\t\t\tautoplay = iframe.hasAttribute( 'data-autoplay' ) || !!closest( iframe, '.slide-background' );\n\t\t\t\t}\n\n\t\t\t\t// YouTube postMessage API\n\t\t\t\tif( /youtube\\.com\\/embed\\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {\n\t\t\t\t\tiframe.contentWindow.postMessage( '{\"event\":\"command\",\"func\":\"playVideo\",\"args\":\"\"}', '*' );\n\t\t\t\t}\n\t\t\t\t// Vimeo postMessage API\n\t\t\t\telse if( /player\\.vimeo\\.com\\//.test( iframe.getAttribute( 'src' ) ) && autoplay ) {\n\t\t\t\t\tiframe.contentWindow.postMessage( '{\"method\":\"play\"}', '*' );\n\t\t\t\t}\n\t\t\t\t// Generic postMessage API\n\t\t\t\telse {\n\t\t\t\t\tiframe.contentWindow.postMessage( 'slide:start', '*' );\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Stop playback of any embedded content inside of\n\t * the targeted slide.\n\t *\n\t * @param {HTMLElement} element\n\t */\n\tstopEmbeddedContent( element, options = {} ) {\n\n\t\toptions = extend( {\n\t\t\t// Defaults\n\t\t\tunloadIframes: true\n\t\t}, options );\n\n\t\tif( element && element.parentNode ) {\n\t\t\t// HTML5 media elements\n\t\t\tqueryAll( element, 'video, audio' ).forEach( el => {\n\t\t\t\tif( !el.hasAttribute( 'data-ignore' ) && typeof el.pause === 'function' ) {\n\t\t\t\t\tel.setAttribute('data-paused-by-reveal', '');\n\t\t\t\t\tel.pause();\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\t// Generic postMessage API for non-lazy loaded iframes\n\t\t\tqueryAll( element, 'iframe' ).forEach( el => {\n\t\t\t\tif( el.contentWindow ) el.contentWindow.postMessage( 'slide:stop', '*' );\n\t\t\t\tel.removeEventListener( 'load', this.startEmbeddedIframe );\n\t\t\t});\n\n\t\t\t// YouTube postMessage API\n\t\t\tqueryAll( element, 'iframe[src*=\"youtube.com/embed/\"]' ).forEach( el => {\n\t\t\t\tif( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {\n\t\t\t\t\tel.contentWindow.postMessage( '{\"event\":\"command\",\"func\":\"pauseVideo\",\"args\":\"\"}', '*' );\n\t\t\t\t}\n\t\t\t});\n\n\t\t\t// Vimeo postMessage API\n\t\t\tqueryAll( element, 'iframe[src*=\"player.vimeo.com/\"]' ).forEach( el => {\n\t\t\t\tif( !el.hasAttribute( 'data-ignore' ) && el.contentWindow && typeof el.contentWindow.postMessage === 'function' ) {\n\t\t\t\t\tel.contentWindow.postMessage( '{\"method\":\"pause\"}', '*' );\n\t\t\t\t}\n\t\t\t});\n\n\t\t\tif( options.unloadIframes === true ) {\n\t\t\t\t// Unload lazy-loaded iframes\n\t\t\t\tqueryAll( element, 'iframe[data-src]' ).forEach( el => {\n\t\t\t\t\t// Only removing the src doesn't actually unload the frame\n\t\t\t\t\t// in all browsers (Firefox) so we set it to blank first\n\t\t\t\t\tel.setAttribute( 'src', 'about:blank' );\n\t\t\t\t\tel.removeAttribute( 'src' );\n\t\t\t\t} );\n\t\t\t}\n\t\t}\n\n\t}\n\n}\n","/**\n * Handles the display of reveal.js' optional slide number.\n */\nexport default class SlideNumber {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\trender() {\n\n\t\tthis.element = document.createElement( 'div' );\n\t\tthis.element.className = 'slide-number';\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tlet slideNumberDisplay = 'none';\n\t\tif( config.slideNumber && !this.Reveal.isPrintingPDF() ) {\n\t\t\tif( config.showSlideNumber === 'all' ) {\n\t\t\t\tslideNumberDisplay = 'block';\n\t\t\t}\n\t\t\telse if( config.showSlideNumber === 'speaker' && this.Reveal.isSpeakerNotes() ) {\n\t\t\t\tslideNumberDisplay = 'block';\n\t\t\t}\n\t\t}\n\n\t\tthis.element.style.display = slideNumberDisplay;\n\n\t}\n\n\t/**\n\t * Updates the slide number to match the current slide.\n\t */\n\tupdate() {\n\n\t\t// Update slide number if enabled\n\t\tif( this.Reveal.getConfig().slideNumber && this.element ) {\n\t\t\tthis.element.innerHTML = this.getSlideNumber();\n\t\t}\n\n\t}\n\n\t/**\n\t * Returns the HTML string corresponding to the current slide\n\t * number, including formatting.\n\t */\n\tgetSlideNumber( slide = this.Reveal.getCurrentSlide() ) {\n\n\t\tlet config = this.Reveal.getConfig();\n\t\tlet value;\n\t\tlet format = 'h.v';\n\n\t\tif ( typeof config.slideNumber === 'function' ) {\n\t\t\tvalue = config.slideNumber( slide );\n\t\t} else {\n\t\t\t// Check if a custom number format is available\n\t\t\tif( typeof config.slideNumber === 'string' ) {\n\t\t\t\tformat = config.slideNumber;\n\t\t\t}\n\n\t\t\t// If there are ONLY vertical slides in this deck, always use\n\t\t\t// a flattened slide number\n\t\t\tif( !/c/.test( format ) && this.Reveal.getHorizontalSlides().length === 1 ) {\n\t\t\t\tformat = 'c';\n\t\t\t}\n\n\t\t\t// Offset the current slide number by 1 to make it 1-indexed\n\t\t\tlet horizontalOffset = slide && slide.dataset.visibility === 'uncounted' ? 0 : 1;\n\n\t\t\tvalue = [];\n\t\t\tswitch( format ) {\n\t\t\t\tcase 'c':\n\t\t\t\t\tvalue.push( this.Reveal.getSlidePastCount( slide ) + horizontalOffset );\n\t\t\t\t\tbreak;\n\t\t\t\tcase 'c/t':\n\t\t\t\t\tvalue.push( this.Reveal.getSlidePastCount( slide ) + horizontalOffset, '/', this.Reveal.getTotalSlides() );\n\t\t\t\t\tbreak;\n\t\t\t\tdefault:\n\t\t\t\t\tlet indices = this.Reveal.getIndices( slide );\n\t\t\t\t\tvalue.push( indices.h + horizontalOffset );\n\t\t\t\t\tlet sep = format === 'h/v' ? '/' : '.';\n\t\t\t\t\tif( this.Reveal.isVerticalSlide( slide ) ) value.push( sep, indices.v + 1 );\n\t\t\t}\n\t\t}\n\n\t\tlet url = '#' + this.Reveal.location.getHash( slide );\n\t\treturn this.formatNumber( value[0], value[1], value[2], url );\n\n\t}\n\n\t/**\n\t * Applies HTML formatting to a slide number before it's\n\t * written to the DOM.\n\t *\n\t * @param {number} a Current slide\n\t * @param {string} delimiter Character to separate slide numbers\n\t * @param {(number|*)} b Total slides\n\t * @param {HTMLElement} [url='#'+locationHash()] The url to link to\n\t * @return {string} HTML string fragment\n\t */\n\tformatNumber( a, delimiter, b, url = '#' + this.Reveal.location.getHash() ) {\n\n\t\tif( typeof b === 'number' && !isNaN( b ) ) {\n\t\t\treturn `\n\t\t\t\t\t${a}\n\t\t\t\t\t${delimiter}\n\t\t\t\t\t${b}\n\t\t\t\t\t`;\n\t\t}\n\t\telse {\n\t\t\treturn `\n\t\t\t\t\t${a}\n\t\t\t\t\t`;\n\t\t}\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.element.remove();\n\n\t}\n\n}","/**\n * Converts various color input formats to an {r:0,g:0,b:0} object.\n *\n * @param {string} color The string representation of a color\n * @example\n * colorToRgb('#000');\n * @example\n * colorToRgb('#000000');\n * @example\n * colorToRgb('rgb(0,0,0)');\n * @example\n * colorToRgb('rgba(0,0,0)');\n *\n * @return {{r: number, g: number, b: number, [a]: number}|null}\n */\nexport const colorToRgb = ( color ) => {\n\n\tlet hex3 = color.match( /^#([0-9a-f]{3})$/i );\n\tif( hex3 && hex3[1] ) {\n\t\thex3 = hex3[1];\n\t\treturn {\n\t\t\tr: parseInt( hex3.charAt( 0 ), 16 ) * 0x11,\n\t\t\tg: parseInt( hex3.charAt( 1 ), 16 ) * 0x11,\n\t\t\tb: parseInt( hex3.charAt( 2 ), 16 ) * 0x11\n\t\t};\n\t}\n\n\tlet hex6 = color.match( /^#([0-9a-f]{6})$/i );\n\tif( hex6 && hex6[1] ) {\n\t\thex6 = hex6[1];\n\t\treturn {\n\t\t\tr: parseInt( hex6.slice( 0, 2 ), 16 ),\n\t\t\tg: parseInt( hex6.slice( 2, 4 ), 16 ),\n\t\t\tb: parseInt( hex6.slice( 4, 6 ), 16 )\n\t\t};\n\t}\n\n\tlet rgb = color.match( /^rgb\\s*\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\)$/i );\n\tif( rgb ) {\n\t\treturn {\n\t\t\tr: parseInt( rgb[1], 10 ),\n\t\t\tg: parseInt( rgb[2], 10 ),\n\t\t\tb: parseInt( rgb[3], 10 )\n\t\t};\n\t}\n\n\tlet rgba = color.match( /^rgba\\s*\\(\\s*(\\d+)\\s*,\\s*(\\d+)\\s*,\\s*(\\d+)\\s*\\,\\s*([\\d]+|[\\d]*.[\\d]+)\\s*\\)$/i );\n\tif( rgba ) {\n\t\treturn {\n\t\t\tr: parseInt( rgba[1], 10 ),\n\t\t\tg: parseInt( rgba[2], 10 ),\n\t\t\tb: parseInt( rgba[3], 10 ),\n\t\t\ta: parseFloat( rgba[4] )\n\t\t};\n\t}\n\n\treturn null;\n\n}\n\n/**\n * Calculates brightness on a scale of 0-255.\n *\n * @param {string} color See colorToRgb for supported formats.\n * @see {@link colorToRgb}\n */\nexport const colorBrightness = ( color ) => {\n\n\tif( typeof color === 'string' ) color = colorToRgb( color );\n\n\tif( color ) {\n\t\treturn ( color.r * 299 + color.g * 587 + color.b * 114 ) / 1000;\n\t}\n\n\treturn null;\n\n}","import { queryAll } from '../utils/util.js'\nimport { colorToRgb, colorBrightness } from '../utils/color.js'\n\n/**\n * Creates and updates slide backgrounds.\n */\nexport default class Backgrounds {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\trender() {\n\n\t\tthis.element = document.createElement( 'div' );\n\t\tthis.element.className = 'backgrounds';\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t}\n\n\t/**\n\t * Creates the slide background elements and appends them\n\t * to the background container. One element is created per\n\t * slide no matter if the given slide has visible background.\n\t */\n\tcreate() {\n\n\t\t// Clear prior backgrounds\n\t\tthis.element.innerHTML = '';\n\t\tthis.element.classList.add( 'no-transition' );\n\n\t\t// Iterate over all horizontal slides\n\t\tthis.Reveal.getHorizontalSlides().forEach( slideh => {\n\n\t\t\tlet backgroundStack = this.createBackground( slideh, this.element );\n\n\t\t\t// Iterate over all vertical slides\n\t\t\tqueryAll( slideh, 'section' ).forEach( slidev => {\n\n\t\t\t\tthis.createBackground( slidev, backgroundStack );\n\n\t\t\t\tbackgroundStack.classList.add( 'stack' );\n\n\t\t\t} );\n\n\t\t} );\n\n\t\t// Add parallax background if specified\n\t\tif( this.Reveal.getConfig().parallaxBackgroundImage ) {\n\n\t\t\tthis.element.style.backgroundImage = 'url(\"' + this.Reveal.getConfig().parallaxBackgroundImage + '\")';\n\t\t\tthis.element.style.backgroundSize = this.Reveal.getConfig().parallaxBackgroundSize;\n\t\t\tthis.element.style.backgroundRepeat = this.Reveal.getConfig().parallaxBackgroundRepeat;\n\t\t\tthis.element.style.backgroundPosition = this.Reveal.getConfig().parallaxBackgroundPosition;\n\n\t\t\t// Make sure the below properties are set on the element - these properties are\n\t\t\t// needed for proper transitions to be set on the element via CSS. To remove\n\t\t\t// annoying background slide-in effect when the presentation starts, apply\n\t\t\t// these properties after short time delay\n\t\t\tsetTimeout( () => {\n\t\t\t\tthis.Reveal.getRevealElement().classList.add( 'has-parallax-background' );\n\t\t\t}, 1 );\n\n\t\t}\n\t\telse {\n\n\t\t\tthis.element.style.backgroundImage = '';\n\t\t\tthis.Reveal.getRevealElement().classList.remove( 'has-parallax-background' );\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Creates a background for the given slide.\n\t *\n\t * @param {HTMLElement} slide\n\t * @param {HTMLElement} container The element that the background\n\t * should be appended to\n\t * @return {HTMLElement} New background div\n\t */\n\tcreateBackground( slide, container ) {\n\n\t\t// Main slide background element\n\t\tlet element = document.createElement( 'div' );\n\t\telement.className = 'slide-background ' + slide.className.replace( /present|past|future/, '' );\n\n\t\t// Inner background element that wraps images/videos/iframes\n\t\tlet contentElement = document.createElement( 'div' );\n\t\tcontentElement.className = 'slide-background-content';\n\n\t\telement.appendChild( contentElement );\n\t\tcontainer.appendChild( element );\n\n\t\tslide.slideBackgroundElement = element;\n\t\tslide.slideBackgroundContentElement = contentElement;\n\n\t\t// Syncs the background to reflect all current background settings\n\t\tthis.sync( slide );\n\n\t\treturn element;\n\n\t}\n\n\t/**\n\t * Renders all of the visual properties of a slide background\n\t * based on the various background attributes.\n\t *\n\t * @param {HTMLElement} slide\n\t */\n\tsync( slide ) {\n\n\t\tconst element = slide.slideBackgroundElement,\n\t\t\tcontentElement = slide.slideBackgroundContentElement;\n\n\t\tconst data = {\n\t\t\tbackground: slide.getAttribute( 'data-background' ),\n\t\t\tbackgroundSize: slide.getAttribute( 'data-background-size' ),\n\t\t\tbackgroundImage: slide.getAttribute( 'data-background-image' ),\n\t\t\tbackgroundVideo: slide.getAttribute( 'data-background-video' ),\n\t\t\tbackgroundIframe: slide.getAttribute( 'data-background-iframe' ),\n\t\t\tbackgroundColor: slide.getAttribute( 'data-background-color' ),\n\t\t\tbackgroundRepeat: slide.getAttribute( 'data-background-repeat' ),\n\t\t\tbackgroundPosition: slide.getAttribute( 'data-background-position' ),\n\t\t\tbackgroundTransition: slide.getAttribute( 'data-background-transition' ),\n\t\t\tbackgroundOpacity: slide.getAttribute( 'data-background-opacity' ),\n\t\t};\n\n\t\tconst dataPreload = slide.hasAttribute( 'data-preload' );\n\n\t\t// Reset the prior background state in case this is not the\n\t\t// initial sync\n\t\tslide.classList.remove( 'has-dark-background' );\n\t\tslide.classList.remove( 'has-light-background' );\n\n\t\telement.removeAttribute( 'data-loaded' );\n\t\telement.removeAttribute( 'data-background-hash' );\n\t\telement.removeAttribute( 'data-background-size' );\n\t\telement.removeAttribute( 'data-background-transition' );\n\t\telement.style.backgroundColor = '';\n\n\t\tcontentElement.style.backgroundSize = '';\n\t\tcontentElement.style.backgroundRepeat = '';\n\t\tcontentElement.style.backgroundPosition = '';\n\t\tcontentElement.style.backgroundImage = '';\n\t\tcontentElement.style.opacity = '';\n\t\tcontentElement.innerHTML = '';\n\n\t\tif( data.background ) {\n\t\t\t// Auto-wrap image urls in url(...)\n\t\t\tif( /^(http|file|\\/\\/)/gi.test( data.background ) || /\\.(svg|png|jpg|jpeg|gif|bmp)([?#\\s]|$)/gi.test( data.background ) ) {\n\t\t\t\tslide.setAttribute( 'data-background-image', data.background );\n\t\t\t}\n\t\t\telse {\n\t\t\t\telement.style.background = data.background;\n\t\t\t}\n\t\t}\n\n\t\t// Create a hash for this combination of background settings.\n\t\t// This is used to determine when two slide backgrounds are\n\t\t// the same.\n\t\tif( data.background || data.backgroundColor || data.backgroundImage || data.backgroundVideo || data.backgroundIframe ) {\n\t\t\telement.setAttribute( 'data-background-hash', data.background +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundSize +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundImage +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundVideo +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundIframe +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundColor +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundRepeat +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundPosition +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundTransition +\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tdata.backgroundOpacity );\n\t\t}\n\n\t\t// Additional and optional background properties\n\t\tif( data.backgroundSize ) element.setAttribute( 'data-background-size', data.backgroundSize );\n\t\tif( data.backgroundColor ) element.style.backgroundColor = data.backgroundColor;\n\t\tif( data.backgroundTransition ) element.setAttribute( 'data-background-transition', data.backgroundTransition );\n\n\t\tif( dataPreload ) element.setAttribute( 'data-preload', '' );\n\n\t\t// Background image options are set on the content wrapper\n\t\tif( data.backgroundSize ) contentElement.style.backgroundSize = data.backgroundSize;\n\t\tif( data.backgroundRepeat ) contentElement.style.backgroundRepeat = data.backgroundRepeat;\n\t\tif( data.backgroundPosition ) contentElement.style.backgroundPosition = data.backgroundPosition;\n\t\tif( data.backgroundOpacity ) contentElement.style.opacity = data.backgroundOpacity;\n\n\t\t// If this slide has a background color, we add a class that\n\t\t// signals if it is light or dark. If the slide has no background\n\t\t// color, no class will be added\n\t\tlet contrastColor = data.backgroundColor;\n\n\t\t// If no bg color was found, or it cannot be converted by colorToRgb, check the computed background\n\t\tif( !contrastColor || !colorToRgb( contrastColor ) ) {\n\t\t\tlet computedBackgroundStyle = window.getComputedStyle( element );\n\t\t\tif( computedBackgroundStyle && computedBackgroundStyle.backgroundColor ) {\n\t\t\t\tcontrastColor = computedBackgroundStyle.backgroundColor;\n\t\t\t}\n\t\t}\n\n\t\tif( contrastColor ) {\n\t\t\tconst rgb = colorToRgb( contrastColor );\n\n\t\t\t// Ignore fully transparent backgrounds. Some browsers return\n\t\t\t// rgba(0,0,0,0) when reading the computed background color of\n\t\t\t// an element with no background\n\t\t\tif( rgb && rgb.a !== 0 ) {\n\t\t\t\tif( colorBrightness( contrastColor ) < 128 ) {\n\t\t\t\t\tslide.classList.add( 'has-dark-background' );\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tslide.classList.add( 'has-light-background' );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the background elements to reflect the current\n\t * slide.\n\t *\n\t * @param {boolean} includeAll If true, the backgrounds of\n\t * all vertical slides (not just the present) will be updated.\n\t */\n\tupdate( includeAll = false ) {\n\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tlet indices = this.Reveal.getIndices();\n\n\t\tlet currentBackground = null;\n\n\t\t// Reverse past/future classes when in RTL mode\n\t\tlet horizontalPast = this.Reveal.getConfig().rtl ? 'future' : 'past',\n\t\t\thorizontalFuture = this.Reveal.getConfig().rtl ? 'past' : 'future';\n\n\t\t// Update the classes of all backgrounds to match the\n\t\t// states of their slides (past/present/future)\n\t\tArray.from( this.element.childNodes ).forEach( ( backgroundh, h ) => {\n\n\t\t\tbackgroundh.classList.remove( 'past', 'present', 'future' );\n\n\t\t\tif( h < indices.h ) {\n\t\t\t\tbackgroundh.classList.add( horizontalPast );\n\t\t\t}\n\t\t\telse if ( h > indices.h ) {\n\t\t\t\tbackgroundh.classList.add( horizontalFuture );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tbackgroundh.classList.add( 'present' );\n\n\t\t\t\t// Store a reference to the current background element\n\t\t\t\tcurrentBackground = backgroundh;\n\t\t\t}\n\n\t\t\tif( includeAll || h === indices.h ) {\n\t\t\t\tqueryAll( backgroundh, '.slide-background' ).forEach( ( backgroundv, v ) => {\n\n\t\t\t\t\tbackgroundv.classList.remove( 'past', 'present', 'future' );\n\n\t\t\t\t\tif( v < indices.v ) {\n\t\t\t\t\t\tbackgroundv.classList.add( 'past' );\n\t\t\t\t\t}\n\t\t\t\t\telse if ( v > indices.v ) {\n\t\t\t\t\t\tbackgroundv.classList.add( 'future' );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tbackgroundv.classList.add( 'present' );\n\n\t\t\t\t\t\t// Only if this is the present horizontal and vertical slide\n\t\t\t\t\t\tif( h === indices.h ) currentBackground = backgroundv;\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\t\t\t}\n\n\t\t} );\n\n\t\t// Stop content inside of previous backgrounds\n\t\tif( this.previousBackground ) {\n\n\t\t\tthis.Reveal.slideContent.stopEmbeddedContent( this.previousBackground, { unloadIframes: !this.Reveal.slideContent.shouldPreload( this.previousBackground ) } );\n\n\t\t}\n\n\t\t// Start content in the current background\n\t\tif( currentBackground ) {\n\n\t\t\tthis.Reveal.slideContent.startEmbeddedContent( currentBackground );\n\n\t\t\tlet currentBackgroundContent = currentBackground.querySelector( '.slide-background-content' );\n\t\t\tif( currentBackgroundContent ) {\n\n\t\t\t\tlet backgroundImageURL = currentBackgroundContent.style.backgroundImage || '';\n\n\t\t\t\t// Restart GIFs (doesn't work in Firefox)\n\t\t\t\tif( /\\.gif/i.test( backgroundImageURL ) ) {\n\t\t\t\t\tcurrentBackgroundContent.style.backgroundImage = '';\n\t\t\t\t\twindow.getComputedStyle( currentBackgroundContent ).opacity;\n\t\t\t\t\tcurrentBackgroundContent.style.backgroundImage = backgroundImageURL;\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t\t// Don't transition between identical backgrounds. This\n\t\t\t// prevents unwanted flicker.\n\t\t\tlet previousBackgroundHash = this.previousBackground ? this.previousBackground.getAttribute( 'data-background-hash' ) : null;\n\t\t\tlet currentBackgroundHash = currentBackground.getAttribute( 'data-background-hash' );\n\t\t\tif( currentBackgroundHash && currentBackgroundHash === previousBackgroundHash && currentBackground !== this.previousBackground ) {\n\t\t\t\tthis.element.classList.add( 'no-transition' );\n\t\t\t}\n\n\t\t\tthis.previousBackground = currentBackground;\n\n\t\t}\n\n\t\t// If there's a background brightness flag for this slide,\n\t\t// bubble it to the .reveal container\n\t\tif( currentSlide ) {\n\t\t\t[ 'has-light-background', 'has-dark-background' ].forEach( classToBubble => {\n\t\t\t\tif( currentSlide.classList.contains( classToBubble ) ) {\n\t\t\t\t\tthis.Reveal.getRevealElement().classList.add( classToBubble );\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.getRevealElement().classList.remove( classToBubble );\n\t\t\t\t}\n\t\t\t}, this );\n\t\t}\n\n\t\t// Allow the first background to apply without transition\n\t\tsetTimeout( () => {\n\t\t\tthis.element.classList.remove( 'no-transition' );\n\t\t}, 1 );\n\n\t}\n\n\t/**\n\t * Updates the position of the parallax background based\n\t * on the current slide index.\n\t */\n\tupdateParallax() {\n\n\t\tlet indices = this.Reveal.getIndices();\n\n\t\tif( this.Reveal.getConfig().parallaxBackgroundImage ) {\n\n\t\t\tlet horizontalSlides = this.Reveal.getHorizontalSlides(),\n\t\t\t\tverticalSlides = this.Reveal.getVerticalSlides();\n\n\t\t\tlet backgroundSize = this.element.style.backgroundSize.split( ' ' ),\n\t\t\t\tbackgroundWidth, backgroundHeight;\n\n\t\t\tif( backgroundSize.length === 1 ) {\n\t\t\t\tbackgroundWidth = backgroundHeight = parseInt( backgroundSize[0], 10 );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tbackgroundWidth = parseInt( backgroundSize[0], 10 );\n\t\t\t\tbackgroundHeight = parseInt( backgroundSize[1], 10 );\n\t\t\t}\n\n\t\t\tlet slideWidth = this.element.offsetWidth,\n\t\t\t\thorizontalSlideCount = horizontalSlides.length,\n\t\t\t\thorizontalOffsetMultiplier,\n\t\t\t\thorizontalOffset;\n\n\t\t\tif( typeof this.Reveal.getConfig().parallaxBackgroundHorizontal === 'number' ) {\n\t\t\t\thorizontalOffsetMultiplier = this.Reveal.getConfig().parallaxBackgroundHorizontal;\n\t\t\t}\n\t\t\telse {\n\t\t\t\thorizontalOffsetMultiplier = horizontalSlideCount > 1 ? ( backgroundWidth - slideWidth ) / ( horizontalSlideCount-1 ) : 0;\n\t\t\t}\n\n\t\t\thorizontalOffset = horizontalOffsetMultiplier * indices.h * -1;\n\n\t\t\tlet slideHeight = this.element.offsetHeight,\n\t\t\t\tverticalSlideCount = verticalSlides.length,\n\t\t\t\tverticalOffsetMultiplier,\n\t\t\t\tverticalOffset;\n\n\t\t\tif( typeof this.Reveal.getConfig().parallaxBackgroundVertical === 'number' ) {\n\t\t\t\tverticalOffsetMultiplier = this.Reveal.getConfig().parallaxBackgroundVertical;\n\t\t\t}\n\t\t\telse {\n\t\t\t\tverticalOffsetMultiplier = ( backgroundHeight - slideHeight ) / ( verticalSlideCount-1 );\n\t\t\t}\n\n\t\t\tverticalOffset = verticalSlideCount > 0 ? verticalOffsetMultiplier * indices.v : 0;\n\n\t\t\tthis.element.style.backgroundPosition = horizontalOffset + 'px ' + -verticalOffset + 'px';\n\n\t\t}\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.element.remove();\n\n\t}\n\n}\n","\nexport const SLIDES_SELECTOR = '.slides section';\nexport const HORIZONTAL_SLIDES_SELECTOR = '.slides>section';\nexport const VERTICAL_SLIDES_SELECTOR = '.slides>section.present>section';\n\n// Methods that may not be invoked via the postMessage API\nexport const POST_MESSAGE_METHOD_BLACKLIST = /registerPlugin|registerKeyboardShortcut|addKeyBinding|addEventListener/;\n\n// Regex for retrieving the fragment style from a class attribute\nexport const FRAGMENT_STYLE_REGEX = /fade-(down|up|right|left|out|in-then-out|in-then-semi-out)|semi-fade-out|current-visible|shrink|grow/;","import { queryAll, extend, createStyleSheet, matches, closest } from '../utils/util.js'\nimport { FRAGMENT_STYLE_REGEX } from '../utils/constants.js'\n\n// Counter used to generate unique IDs for auto-animated elements\nlet autoAnimateCounter = 0;\n\n/**\n * Automatically animates matching elements across\n * slides with the [data-auto-animate] attribute.\n */\nexport default class AutoAnimate {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\t/**\n\t * Runs an auto-animation between the given slides.\n\t *\n\t * @param {HTMLElement} fromSlide\n\t * @param {HTMLElement} toSlide\n\t */\n\trun( fromSlide, toSlide ) {\n\n\t\t// Clean up after prior animations\n\t\tthis.reset();\n\n\t\tlet allSlides = this.Reveal.getSlides();\n\t\tlet toSlideIndex = allSlides.indexOf( toSlide );\n\t\tlet fromSlideIndex = allSlides.indexOf( fromSlide );\n\n\t\t// Ensure that both slides are auto-animate targets with the same data-auto-animate-id value\n\t\t// (including null if absent on both) and that data-auto-animate-restart isn't set on the\n\t\t// physically latter slide (independent of slide direction)\n\t\tif( fromSlide.hasAttribute( 'data-auto-animate' ) && toSlide.hasAttribute( 'data-auto-animate' )\n\t\t\t\t&& fromSlide.getAttribute( 'data-auto-animate-id' ) === toSlide.getAttribute( 'data-auto-animate-id' ) \n\t\t\t\t&& !( toSlideIndex > fromSlideIndex ? toSlide : fromSlide ).hasAttribute( 'data-auto-animate-restart' ) ) {\n\n\t\t\t// Create a new auto-animate sheet\n\t\t\tthis.autoAnimateStyleSheet = this.autoAnimateStyleSheet || createStyleSheet();\n\n\t\t\tlet animationOptions = this.getAutoAnimateOptions( toSlide );\n\n\t\t\t// Set our starting state\n\t\t\tfromSlide.dataset.autoAnimate = 'pending';\n\t\t\ttoSlide.dataset.autoAnimate = 'pending';\n\n\t\t\t// Flag the navigation direction, needed for fragment buildup\n\t\t\tanimationOptions.slideDirection = toSlideIndex > fromSlideIndex ? 'forward' : 'backward';\n\n\t\t\t// Inject our auto-animate styles for this transition\n\t\t\tlet css = this.getAutoAnimatableElements( fromSlide, toSlide ).map( elements => {\n\t\t\t\treturn this.autoAnimateElements( elements.from, elements.to, elements.options || {}, animationOptions, autoAnimateCounter++ );\n\t\t\t} );\n\n\t\t\t// Animate unmatched elements, if enabled\n\t\t\tif( toSlide.dataset.autoAnimateUnmatched !== 'false' && this.Reveal.getConfig().autoAnimateUnmatched === true ) {\n\n\t\t\t\t// Our default timings for unmatched elements\n\t\t\t\tlet defaultUnmatchedDuration = animationOptions.duration * 0.8,\n\t\t\t\t\tdefaultUnmatchedDelay = animationOptions.duration * 0.2;\n\n\t\t\t\tthis.getUnmatchedAutoAnimateElements( toSlide ).forEach( unmatchedElement => {\n\n\t\t\t\t\tlet unmatchedOptions = this.getAutoAnimateOptions( unmatchedElement, animationOptions );\n\t\t\t\t\tlet id = 'unmatched';\n\n\t\t\t\t\t// If there is a duration or delay set specifically for this\n\t\t\t\t\t// element our unmatched elements should adhere to those\n\t\t\t\t\tif( unmatchedOptions.duration !== animationOptions.duration || unmatchedOptions.delay !== animationOptions.delay ) {\n\t\t\t\t\t\tid = 'unmatched-' + autoAnimateCounter++;\n\t\t\t\t\t\tcss.push( `[data-auto-animate=\"running\"] [data-auto-animate-target=\"${id}\"] { transition: opacity ${unmatchedOptions.duration}s ease ${unmatchedOptions.delay}s; }` );\n\t\t\t\t\t}\n\n\t\t\t\t\tunmatchedElement.dataset.autoAnimateTarget = id;\n\n\t\t\t\t}, this );\n\n\t\t\t\t// Our default transition for unmatched elements\n\t\t\t\tcss.push( `[data-auto-animate=\"running\"] [data-auto-animate-target=\"unmatched\"] { transition: opacity ${defaultUnmatchedDuration}s ease ${defaultUnmatchedDelay}s; }` );\n\n\t\t\t}\n\n\t\t\t// Setting the whole chunk of CSS at once is the most\n\t\t\t// efficient way to do this. Using sheet.insertRule\n\t\t\t// is multiple factors slower.\n\t\t\tthis.autoAnimateStyleSheet.innerHTML = css.join( '' );\n\n\t\t\t// Start the animation next cycle\n\t\t\trequestAnimationFrame( () => {\n\t\t\t\tif( this.autoAnimateStyleSheet ) {\n\t\t\t\t\t// This forces our newly injected styles to be applied in Firefox\n\t\t\t\t\tgetComputedStyle( this.autoAnimateStyleSheet ).fontWeight;\n\n\t\t\t\t\ttoSlide.dataset.autoAnimate = 'running';\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\ttype: 'autoanimate',\n\t\t\t\tdata: {\n\t\t\t\t\tfromSlide,\n\t\t\t\t\ttoSlide,\n\t\t\t\t\tsheet: this.autoAnimateStyleSheet\n\t\t\t\t}\n\t\t\t});\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Rolls back all changes that we've made to the DOM so\n\t * that as part of animating.\n\t */\n\treset() {\n\n\t\t// Reset slides\n\t\tqueryAll( this.Reveal.getRevealElement(), '[data-auto-animate]:not([data-auto-animate=\"\"])' ).forEach( element => {\n\t\t\telement.dataset.autoAnimate = '';\n\t\t} );\n\n\t\t// Reset elements\n\t\tqueryAll( this.Reveal.getRevealElement(), '[data-auto-animate-target]' ).forEach( element => {\n\t\t\tdelete element.dataset.autoAnimateTarget;\n\t\t} );\n\n\t\t// Remove the animation sheet\n\t\tif( this.autoAnimateStyleSheet && this.autoAnimateStyleSheet.parentNode ) {\n\t\t\tthis.autoAnimateStyleSheet.parentNode.removeChild( this.autoAnimateStyleSheet );\n\t\t\tthis.autoAnimateStyleSheet = null;\n\t\t}\n\n\t}\n\n\t/**\n\t * Creates a FLIP animation where the `to` element starts out\n\t * in the `from` element position and animates to its original\n\t * state.\n\t *\n\t * @param {HTMLElement} from\n\t * @param {HTMLElement} to\n\t * @param {Object} elementOptions Options for this element pair\n\t * @param {Object} animationOptions Options set at the slide level\n\t * @param {String} id Unique ID that we can use to identify this\n\t * auto-animate element in the DOM\n\t */\n\tautoAnimateElements( from, to, elementOptions, animationOptions, id ) {\n\n\t\t// 'from' elements are given a data-auto-animate-target with no value,\n\t\t// 'to' elements are are given a data-auto-animate-target with an ID\n\t\tfrom.dataset.autoAnimateTarget = '';\n\t\tto.dataset.autoAnimateTarget = id;\n\n\t\t// Each element may override any of the auto-animate options\n\t\t// like transition easing, duration and delay via data-attributes\n\t\tlet options = this.getAutoAnimateOptions( to, animationOptions );\n\n\t\t// If we're using a custom element matcher the element options\n\t\t// may contain additional transition overrides\n\t\tif( typeof elementOptions.delay !== 'undefined' ) options.delay = elementOptions.delay;\n\t\tif( typeof elementOptions.duration !== 'undefined' ) options.duration = elementOptions.duration;\n\t\tif( typeof elementOptions.easing !== 'undefined' ) options.easing = elementOptions.easing;\n\n\t\tlet fromProps = this.getAutoAnimatableProperties( 'from', from, elementOptions ),\n\t\t\ttoProps = this.getAutoAnimatableProperties( 'to', to, elementOptions );\n\n\t\t// Maintain fragment visibility for matching elements when\n\t\t// we're navigating forwards, this way the viewer won't need\n\t\t// to step through the same fragments twice\n\t\tif( to.classList.contains( 'fragment' ) ) {\n\n\t\t\t// Don't auto-animate the opacity of fragments to avoid\n\t\t\t// conflicts with fragment animations\n\t\t\tdelete toProps.styles['opacity'];\n\n\t\t\tif( from.classList.contains( 'fragment' ) ) {\n\n\t\t\t\tlet fromFragmentStyle = ( from.className.match( FRAGMENT_STYLE_REGEX ) || [''] )[0];\n\t\t\t\tlet toFragmentStyle = ( to.className.match( FRAGMENT_STYLE_REGEX ) || [''] )[0];\n\n\t\t\t\t// Only skip the fragment if the fragment animation style\n\t\t\t\t// remains unchanged\n\t\t\t\tif( fromFragmentStyle === toFragmentStyle && animationOptions.slideDirection === 'forward' ) {\n\t\t\t\t\tto.classList.add( 'visible', 'disabled' );\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// If translation and/or scaling are enabled, css transform\n\t\t// the 'to' element so that it matches the position and size\n\t\t// of the 'from' element\n\t\tif( elementOptions.translate !== false || elementOptions.scale !== false ) {\n\n\t\t\tlet presentationScale = this.Reveal.getScale();\n\n\t\t\tlet delta = {\n\t\t\t\tx: ( fromProps.x - toProps.x ) / presentationScale,\n\t\t\t\ty: ( fromProps.y - toProps.y ) / presentationScale,\n\t\t\t\tscaleX: fromProps.width / toProps.width,\n\t\t\t\tscaleY: fromProps.height / toProps.height\n\t\t\t};\n\n\t\t\t// Limit decimal points to avoid 0.0001px blur and stutter\n\t\t\tdelta.x = Math.round( delta.x * 1000 ) / 1000;\n\t\t\tdelta.y = Math.round( delta.y * 1000 ) / 1000;\n\t\t\tdelta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000;\n\t\t\tdelta.scaleX = Math.round( delta.scaleX * 1000 ) / 1000;\n\n\t\t\tlet translate = elementOptions.translate !== false && ( delta.x !== 0 || delta.y !== 0 ),\n\t\t\t\tscale = elementOptions.scale !== false && ( delta.scaleX !== 0 || delta.scaleY !== 0 );\n\n\t\t\t// No need to transform if nothing's changed\n\t\t\tif( translate || scale ) {\n\n\t\t\t\tlet transform = [];\n\n\t\t\t\tif( translate ) transform.push( `translate(${delta.x}px, ${delta.y}px)` );\n\t\t\t\tif( scale ) transform.push( `scale(${delta.scaleX}, ${delta.scaleY})` );\n\n\t\t\t\tfromProps.styles['transform'] = transform.join( ' ' );\n\t\t\t\tfromProps.styles['transform-origin'] = 'top left';\n\n\t\t\t\ttoProps.styles['transform'] = 'none';\n\n\t\t\t}\n\n\t\t}\n\n\t\t// Delete all unchanged 'to' styles\n\t\tfor( let propertyName in toProps.styles ) {\n\t\t\tconst toValue = toProps.styles[propertyName];\n\t\t\tconst fromValue = fromProps.styles[propertyName];\n\n\t\t\tif( toValue === fromValue ) {\n\t\t\t\tdelete toProps.styles[propertyName];\n\t\t\t}\n\t\t\telse {\n\t\t\t\t// If these property values were set via a custom matcher providing\n\t\t\t\t// an explicit 'from' and/or 'to' value, we always inject those values.\n\t\t\t\tif( toValue.explicitValue === true ) {\n\t\t\t\t\ttoProps.styles[propertyName] = toValue.value;\n\t\t\t\t}\n\n\t\t\t\tif( fromValue.explicitValue === true ) {\n\t\t\t\t\tfromProps.styles[propertyName] = fromValue.value;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tlet css = '';\n\n\t\tlet toStyleProperties = Object.keys( toProps.styles );\n\n\t\t// Only create animate this element IF at least one style\n\t\t// property has changed\n\t\tif( toStyleProperties.length > 0 ) {\n\n\t\t\t// Instantly move to the 'from' state\n\t\t\tfromProps.styles['transition'] = 'none';\n\n\t\t\t// Animate towards the 'to' state\n\t\t\ttoProps.styles['transition'] = `all ${options.duration}s ${options.easing} ${options.delay}s`;\n\t\t\ttoProps.styles['transition-property'] = toStyleProperties.join( ', ' );\n\t\t\ttoProps.styles['will-change'] = toStyleProperties.join( ', ' );\n\n\t\t\t// Build up our custom CSS. We need to override inline styles\n\t\t\t// so we need to make our styles vErY IMPORTANT!1!!\n\t\t\tlet fromCSS = Object.keys( fromProps.styles ).map( propertyName => {\n\t\t\t\treturn propertyName + ': ' + fromProps.styles[propertyName] + ' !important;';\n\t\t\t} ).join( '' );\n\n\t\t\tlet toCSS = Object.keys( toProps.styles ).map( propertyName => {\n\t\t\t\treturn propertyName + ': ' + toProps.styles[propertyName] + ' !important;';\n\t\t\t} ).join( '' );\n\n\t\t\tcss = \t'[data-auto-animate-target=\"'+ id +'\"] {'+ fromCSS +'}' +\n\t\t\t\t\t'[data-auto-animate=\"running\"] [data-auto-animate-target=\"'+ id +'\"] {'+ toCSS +'}';\n\n\t\t}\n\n\t\treturn css;\n\n\t}\n\n\t/**\n\t * Returns the auto-animate options for the given element.\n\t *\n\t * @param {HTMLElement} element Element to pick up options\n\t * from, either a slide or an animation target\n\t * @param {Object} [inheritedOptions] Optional set of existing\n\t * options\n\t */\n\tgetAutoAnimateOptions( element, inheritedOptions ) {\n\n\t\tlet options = {\n\t\t\teasing: this.Reveal.getConfig().autoAnimateEasing,\n\t\t\tduration: this.Reveal.getConfig().autoAnimateDuration,\n\t\t\tdelay: 0\n\t\t};\n\n\t\toptions = extend( options, inheritedOptions );\n\n\t\t// Inherit options from parent elements\n\t\tif( element.parentNode ) {\n\t\t\tlet autoAnimatedParent = closest( element.parentNode, '[data-auto-animate-target]' );\n\t\t\tif( autoAnimatedParent ) {\n\t\t\t\toptions = this.getAutoAnimateOptions( autoAnimatedParent, options );\n\t\t\t}\n\t\t}\n\n\t\tif( element.dataset.autoAnimateEasing ) {\n\t\t\toptions.easing = element.dataset.autoAnimateEasing;\n\t\t}\n\n\t\tif( element.dataset.autoAnimateDuration ) {\n\t\t\toptions.duration = parseFloat( element.dataset.autoAnimateDuration );\n\t\t}\n\n\t\tif( element.dataset.autoAnimateDelay ) {\n\t\t\toptions.delay = parseFloat( element.dataset.autoAnimateDelay );\n\t\t}\n\n\t\treturn options;\n\n\t}\n\n\t/**\n\t * Returns an object containing all of the properties\n\t * that can be auto-animated for the given element and\n\t * their current computed values.\n\t *\n\t * @param {String} direction 'from' or 'to'\n\t */\n\tgetAutoAnimatableProperties( direction, element, elementOptions ) {\n\n\t\tlet config = this.Reveal.getConfig();\n\n\t\tlet properties = { styles: [] };\n\n\t\t// Position and size\n\t\tif( elementOptions.translate !== false || elementOptions.scale !== false ) {\n\t\t\tlet bounds;\n\n\t\t\t// Custom auto-animate may optionally return a custom tailored\n\t\t\t// measurement function\n\t\t\tif( typeof elementOptions.measure === 'function' ) {\n\t\t\t\tbounds = elementOptions.measure( element );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tif( config.center ) {\n\t\t\t\t\t// More precise, but breaks when used in combination\n\t\t\t\t\t// with zoom for scaling the deck ¯\\_(ツ)_/¯\n\t\t\t\t\tbounds = element.getBoundingClientRect();\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tlet scale = this.Reveal.getScale();\n\t\t\t\t\tbounds = {\n\t\t\t\t\t\tx: element.offsetLeft * scale,\n\t\t\t\t\t\ty: element.offsetTop * scale,\n\t\t\t\t\t\twidth: element.offsetWidth * scale,\n\t\t\t\t\t\theight: element.offsetHeight * scale\n\t\t\t\t\t};\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tproperties.x = bounds.x;\n\t\t\tproperties.y = bounds.y;\n\t\t\tproperties.width = bounds.width;\n\t\t\tproperties.height = bounds.height;\n\t\t}\n\n\t\tconst computedStyles = getComputedStyle( element );\n\n\t\t// CSS styles\n\t\t( elementOptions.styles || config.autoAnimateStyles ).forEach( style => {\n\t\t\tlet value;\n\n\t\t\t// `style` is either the property name directly, or an object\n\t\t\t// definition of a style property\n\t\t\tif( typeof style === 'string' ) style = { property: style };\n\n\t\t\tif( typeof style.from !== 'undefined' && direction === 'from' ) {\n\t\t\t\tvalue = { value: style.from, explicitValue: true };\n\t\t\t}\n\t\t\telse if( typeof style.to !== 'undefined' && direction === 'to' ) {\n\t\t\t\tvalue = { value: style.to, explicitValue: true };\n\t\t\t}\n\t\t\telse {\n\t\t\t\tvalue = computedStyles[style.property];\n\t\t\t}\n\n\t\t\tif( value !== '' ) {\n\t\t\t\tproperties.styles[style.property] = value;\n\t\t\t}\n\t\t} );\n\n\t\treturn properties;\n\n\t}\n\n\t/**\n\t * Get a list of all element pairs that we can animate\n\t * between the given slides.\n\t *\n\t * @param {HTMLElement} fromSlide\n\t * @param {HTMLElement} toSlide\n\t *\n\t * @return {Array} Each value is an array where [0] is\n\t * the element we're animating from and [1] is the\n\t * element we're animating to\n\t */\n\tgetAutoAnimatableElements( fromSlide, toSlide ) {\n\n\t\tlet matcher = typeof this.Reveal.getConfig().autoAnimateMatcher === 'function' ? this.Reveal.getConfig().autoAnimateMatcher : this.getAutoAnimatePairs;\n\n\t\tlet pairs = matcher.call( this, fromSlide, toSlide );\n\n\t\tlet reserved = [];\n\n\t\t// Remove duplicate pairs\n\t\treturn pairs.filter( ( pair, index ) => {\n\t\t\tif( reserved.indexOf( pair.to ) === -1 ) {\n\t\t\t\treserved.push( pair.to );\n\t\t\t\treturn true;\n\t\t\t}\n\t\t} );\n\n\t}\n\n\t/**\n\t * Identifies matching elements between slides.\n\t *\n\t * You can specify a custom matcher function by using\n\t * the `autoAnimateMatcher` config option.\n\t */\n\tgetAutoAnimatePairs( fromSlide, toSlide ) {\n\n\t\tlet pairs = [];\n\n\t\tconst codeNodes = 'pre';\n\t\tconst textNodes = 'h1, h2, h3, h4, h5, h6, p, li';\n\t\tconst mediaNodes = 'img, video, iframe';\n\n\t\t// Eplicit matches via data-id\n\t\tthis.findAutoAnimateMatches( pairs, fromSlide, toSlide, '[data-id]', node => {\n\t\t\treturn node.nodeName + ':::' + node.getAttribute( 'data-id' );\n\t\t} );\n\n\t\t// Text\n\t\tthis.findAutoAnimateMatches( pairs, fromSlide, toSlide, textNodes, node => {\n\t\t\treturn node.nodeName + ':::' + node.innerText;\n\t\t} );\n\n\t\t// Media\n\t\tthis.findAutoAnimateMatches( pairs, fromSlide, toSlide, mediaNodes, node => {\n\t\t\treturn node.nodeName + ':::' + ( node.getAttribute( 'src' ) || node.getAttribute( 'data-src' ) );\n\t\t} );\n\n\t\t// Code\n\t\tthis.findAutoAnimateMatches( pairs, fromSlide, toSlide, codeNodes, node => {\n\t\t\treturn node.nodeName + ':::' + node.innerText;\n\t\t} );\n\n\t\tpairs.forEach( pair => {\n\n\t\t\t// Disable scale transformations on text nodes, we transition\n\t\t\t// each individual text property instead\n\t\t\tif( matches( pair.from, textNodes ) ) {\n\t\t\t\tpair.options = { scale: false };\n\t\t\t}\n\t\t\t// Animate individual lines of code\n\t\t\telse if( matches( pair.from, codeNodes ) ) {\n\n\t\t\t\t// Transition the code block's width and height instead of scaling\n\t\t\t\t// to prevent its content from being squished\n\t\t\t\tpair.options = { scale: false, styles: [ 'width', 'height' ] };\n\n\t\t\t\t// Lines of code\n\t\t\t\tthis.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-code', node => {\n\t\t\t\t\treturn node.textContent;\n\t\t\t\t}, {\n\t\t\t\t\tscale: false,\n\t\t\t\t\tstyles: [],\n\t\t\t\t\tmeasure: this.getLocalBoundingBox.bind( this )\n\t\t\t\t} );\n\n\t\t\t\t// Line numbers\n\t\t\t\tthis.findAutoAnimateMatches( pairs, pair.from, pair.to, '.hljs .hljs-ln-line[data-line-number]', node => {\n\t\t\t\t\treturn node.getAttribute( 'data-line-number' );\n\t\t\t\t}, {\n\t\t\t\t\tscale: false,\n\t\t\t\t\tstyles: [ 'width' ],\n\t\t\t\t\tmeasure: this.getLocalBoundingBox.bind( this )\n\t\t\t\t} );\n\n\t\t\t}\n\n\t\t}, this );\n\n\t\treturn pairs;\n\n\t}\n\n\t/**\n\t * Helper method which returns a bounding box based on\n\t * the given elements offset coordinates.\n\t *\n\t * @param {HTMLElement} element\n\t * @return {Object} x, y, width, height\n\t */\n\tgetLocalBoundingBox( element ) {\n\n\t\tconst presentationScale = this.Reveal.getScale();\n\n\t\treturn {\n\t\t\tx: Math.round( ( element.offsetLeft * presentationScale ) * 100 ) / 100,\n\t\t\ty: Math.round( ( element.offsetTop * presentationScale ) * 100 ) / 100,\n\t\t\twidth: Math.round( ( element.offsetWidth * presentationScale ) * 100 ) / 100,\n\t\t\theight: Math.round( ( element.offsetHeight * presentationScale ) * 100 ) / 100\n\t\t};\n\n\t}\n\n\t/**\n\t * Finds matching elements between two slides.\n\t *\n\t * @param {Array} pairs \tList of pairs to push matches to\n\t * @param {HTMLElement} fromScope Scope within the from element exists\n\t * @param {HTMLElement} toScope Scope within the to element exists\n\t * @param {String} selector CSS selector of the element to match\n\t * @param {Function} serializer A function that accepts an element and returns\n\t * a stringified ID based on its contents\n\t * @param {Object} animationOptions Optional config options for this pair\n\t */\n\tfindAutoAnimateMatches( pairs, fromScope, toScope, selector, serializer, animationOptions ) {\n\n\t\tlet fromMatches = {};\n\t\tlet toMatches = {};\n\n\t\t[].slice.call( fromScope.querySelectorAll( selector ) ).forEach( ( element, i ) => {\n\t\t\tconst key = serializer( element );\n\t\t\tif( typeof key === 'string' && key.length ) {\n\t\t\t\tfromMatches[key] = fromMatches[key] || [];\n\t\t\t\tfromMatches[key].push( element );\n\t\t\t}\n\t\t} );\n\n\t\t[].slice.call( toScope.querySelectorAll( selector ) ).forEach( ( element, i ) => {\n\t\t\tconst key = serializer( element );\n\t\t\ttoMatches[key] = toMatches[key] || [];\n\t\t\ttoMatches[key].push( element );\n\n\t\t\tlet fromElement;\n\n\t\t\t// Retrieve the 'from' element\n\t\t\tif( fromMatches[key] ) {\n\t\t\t\tconst pimaryIndex = toMatches[key].length - 1;\n\t\t\t\tconst secondaryIndex = fromMatches[key].length - 1;\n\n\t\t\t\t// If there are multiple identical from elements, retrieve\n\t\t\t\t// the one at the same index as our to-element.\n\t\t\t\tif( fromMatches[key][ pimaryIndex ] ) {\n\t\t\t\t\tfromElement = fromMatches[key][ pimaryIndex ];\n\t\t\t\t\tfromMatches[key][ pimaryIndex ] = null;\n\t\t\t\t}\n\t\t\t\t// If there are no matching from-elements at the same index,\n\t\t\t\t// use the last one.\n\t\t\t\telse if( fromMatches[key][ secondaryIndex ] ) {\n\t\t\t\t\tfromElement = fromMatches[key][ secondaryIndex ];\n\t\t\t\t\tfromMatches[key][ secondaryIndex ] = null;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\t// If we've got a matching pair, push it to the list of pairs\n\t\t\tif( fromElement ) {\n\t\t\t\tpairs.push({\n\t\t\t\t\tfrom: fromElement,\n\t\t\t\t\tto: element,\n\t\t\t\t\toptions: animationOptions\n\t\t\t\t});\n\t\t\t}\n\t\t} );\n\n\t}\n\n\t/**\n\t * Returns a all elements within the given scope that should\n\t * be considered unmatched in an auto-animate transition. If\n\t * fading of unmatched elements is turned on, these elements\n\t * will fade when going between auto-animate slides.\n\t *\n\t * Note that parents of auto-animate targets are NOT considerd\n\t * unmatched since fading them would break the auto-animation.\n\t *\n\t * @param {HTMLElement} rootElement\n\t * @return {Array}\n\t */\n\tgetUnmatchedAutoAnimateElements( rootElement ) {\n\n\t\treturn [].slice.call( rootElement.children ).reduce( ( result, element ) => {\n\n\t\t\tconst containsAnimatedElements = element.querySelector( '[data-auto-animate-target]' );\n\n\t\t\t// The element is unmatched if\n\t\t\t// - It is not an auto-animate target\n\t\t\t// - It does not contain any auto-animate targets\n\t\t\tif( !element.hasAttribute( 'data-auto-animate-target' ) && !containsAnimatedElements ) {\n\t\t\t\tresult.push( element );\n\t\t\t}\n\n\t\t\tif( element.querySelector( '[data-auto-animate-target]' ) ) {\n\t\t\t\tresult = result.concat( this.getUnmatchedAutoAnimateElements( element ) );\n\t\t\t}\n\n\t\t\treturn result;\n\n\t\t}, [] );\n\n\t}\n\n}\n","import { extend, queryAll } from '../utils/util.js'\n\n/**\n * Handles sorting and navigation of slide fragments.\n * Fragments are elements within a slide that are\n * revealed/animated incrementally.\n */\nexport default class Fragments {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.fragments === false ) {\n\t\t\tthis.disable();\n\t\t}\n\t\telse if( oldConfig.fragments === false ) {\n\t\t\tthis.enable();\n\t\t}\n\n\t}\n\n\t/**\n\t * If fragments are disabled in the deck, they should all be\n\t * visible rather than stepped through.\n\t */\n\tdisable() {\n\n\t\tqueryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => {\n\t\t\telement.classList.add( 'visible' );\n\t\t\telement.classList.remove( 'current-fragment' );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Reverse of #disable(). Only called if fragments have\n\t * previously been disabled.\n\t */\n\tenable() {\n\n\t\tqueryAll( this.Reveal.getSlidesElement(), '.fragment' ).forEach( element => {\n\t\t\telement.classList.remove( 'visible' );\n\t\t\telement.classList.remove( 'current-fragment' );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Returns an object describing the available fragment\n\t * directions.\n\t *\n\t * @return {{prev: boolean, next: boolean}}\n\t */\n\tavailableRoutes() {\n\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tif( currentSlide && this.Reveal.getConfig().fragments ) {\n\t\t\tlet fragments = currentSlide.querySelectorAll( '.fragment:not(.disabled)' );\n\t\t\tlet hiddenFragments = currentSlide.querySelectorAll( '.fragment:not(.disabled):not(.visible)' );\n\n\t\t\treturn {\n\t\t\t\tprev: fragments.length - hiddenFragments.length > 0,\n\t\t\t\tnext: !!hiddenFragments.length\n\t\t\t};\n\t\t}\n\t\telse {\n\t\t\treturn { prev: false, next: false };\n\t\t}\n\n\t}\n\n\t/**\n\t * Return a sorted fragments list, ordered by an increasing\n\t * \"data-fragment-index\" attribute.\n\t *\n\t * Fragments will be revealed in the order that they are returned by\n\t * this function, so you can use the index attributes to control the\n\t * order of fragment appearance.\n\t *\n\t * To maintain a sensible default fragment order, fragments are presumed\n\t * to be passed in document order. This function adds a \"fragment-index\"\n\t * attribute to each node if such an attribute is not already present,\n\t * and sets that attribute to an integer value which is the position of\n\t * the fragment within the fragments list.\n\t *\n\t * @param {object[]|*} fragments\n\t * @param {boolean} grouped If true the returned array will contain\n\t * nested arrays for all fragments with the same index\n\t * @return {object[]} sorted Sorted array of fragments\n\t */\n\tsort( fragments, grouped = false ) {\n\n\t\tfragments = Array.from( fragments );\n\n\t\tlet ordered = [],\n\t\t\tunordered = [],\n\t\t\tsorted = [];\n\n\t\t// Group ordered and unordered elements\n\t\tfragments.forEach( fragment => {\n\t\t\tif( fragment.hasAttribute( 'data-fragment-index' ) ) {\n\t\t\t\tlet index = parseInt( fragment.getAttribute( 'data-fragment-index' ), 10 );\n\n\t\t\t\tif( !ordered[index] ) {\n\t\t\t\t\tordered[index] = [];\n\t\t\t\t}\n\n\t\t\t\tordered[index].push( fragment );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tunordered.push( [ fragment ] );\n\t\t\t}\n\t\t} );\n\n\t\t// Append fragments without explicit indices in their\n\t\t// DOM order\n\t\tordered = ordered.concat( unordered );\n\n\t\t// Manually count the index up per group to ensure there\n\t\t// are no gaps\n\t\tlet index = 0;\n\n\t\t// Push all fragments in their sorted order to an array,\n\t\t// this flattens the groups\n\t\tordered.forEach( group => {\n\t\t\tgroup.forEach( fragment => {\n\t\t\t\tsorted.push( fragment );\n\t\t\t\tfragment.setAttribute( 'data-fragment-index', index );\n\t\t\t} );\n\n\t\t\tindex ++;\n\t\t} );\n\n\t\treturn grouped === true ? ordered : sorted;\n\n\t}\n\n\t/**\n\t * Sorts and formats all of fragments in the\n\t * presentation.\n\t */\n\tsortAll() {\n\n\t\tthis.Reveal.getHorizontalSlides().forEach( horizontalSlide => {\n\n\t\t\tlet verticalSlides = queryAll( horizontalSlide, 'section' );\n\t\t\tverticalSlides.forEach( ( verticalSlide, y ) => {\n\n\t\t\t\tthis.sort( verticalSlide.querySelectorAll( '.fragment' ) );\n\n\t\t\t}, this );\n\n\t\t\tif( verticalSlides.length === 0 ) this.sort( horizontalSlide.querySelectorAll( '.fragment' ) );\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Refreshes the fragments on the current slide so that they\n\t * have the appropriate classes (.visible + .current-fragment).\n\t *\n\t * @param {number} [index] The index of the current fragment\n\t * @param {array} [fragments] Array containing all fragments\n\t * in the current slide\n\t *\n\t * @return {{shown: array, hidden: array}}\n\t */\n\tupdate( index, fragments ) {\n\n\t\tlet changedFragments = {\n\t\t\tshown: [],\n\t\t\thidden: []\n\t\t};\n\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tif( currentSlide && this.Reveal.getConfig().fragments ) {\n\n\t\t\tfragments = fragments || this.sort( currentSlide.querySelectorAll( '.fragment' ) );\n\n\t\t\tif( fragments.length ) {\n\n\t\t\t\tlet maxIndex = 0;\n\n\t\t\t\tif( typeof index !== 'number' ) {\n\t\t\t\t\tlet currentFragment = this.sort( currentSlide.querySelectorAll( '.fragment.visible' ) ).pop();\n\t\t\t\t\tif( currentFragment ) {\n\t\t\t\t\t\tindex = parseInt( currentFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\tArray.from( fragments ).forEach( ( el, i ) => {\n\n\t\t\t\t\tif( el.hasAttribute( 'data-fragment-index' ) ) {\n\t\t\t\t\t\ti = parseInt( el.getAttribute( 'data-fragment-index' ), 10 );\n\t\t\t\t\t}\n\n\t\t\t\t\tmaxIndex = Math.max( maxIndex, i );\n\n\t\t\t\t\t// Visible fragments\n\t\t\t\t\tif( i <= index ) {\n\t\t\t\t\t\tlet wasVisible = el.classList.contains( 'visible' )\n\t\t\t\t\t\tel.classList.add( 'visible' );\n\t\t\t\t\t\tel.classList.remove( 'current-fragment' );\n\n\t\t\t\t\t\tif( i === index ) {\n\t\t\t\t\t\t\t// Announce the fragments one by one to the Screen Reader\n\t\t\t\t\t\t\tthis.Reveal.announceStatus( this.Reveal.getStatusText( el ) );\n\n\t\t\t\t\t\t\tel.classList.add( 'current-fragment' );\n\t\t\t\t\t\t\tthis.Reveal.slideContent.startEmbeddedContent( el );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\tif( !wasVisible ) {\n\t\t\t\t\t\t\tchangedFragments.shown.push( el )\n\t\t\t\t\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\t\t\t\t\ttarget: el,\n\t\t\t\t\t\t\t\ttype: 'visible',\n\t\t\t\t\t\t\t\tbubbles: false\n\t\t\t\t\t\t\t});\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\t// Hidden fragments\n\t\t\t\t\telse {\n\t\t\t\t\t\tlet wasVisible = el.classList.contains( 'visible' )\n\t\t\t\t\t\tel.classList.remove( 'visible' );\n\t\t\t\t\t\tel.classList.remove( 'current-fragment' );\n\n\t\t\t\t\t\tif( wasVisible ) {\n\t\t\t\t\t\t\tthis.Reveal.slideContent.stopEmbeddedContent( el );\n\t\t\t\t\t\t\tchangedFragments.hidden.push( el );\n\t\t\t\t\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\t\t\t\t\ttarget: el,\n\t\t\t\t\t\t\t\ttype: 'hidden',\n\t\t\t\t\t\t\t\tbubbles: false\n\t\t\t\t\t\t\t});\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\n\t\t\t\t} );\n\n\t\t\t\t// Write the current fragment index to the slide
.\n\t\t\t\t// This can be used by end users to apply styles based on\n\t\t\t\t// the current fragment index.\n\t\t\t\tindex = typeof index === 'number' ? index : -1;\n\t\t\t\tindex = Math.max( Math.min( index, maxIndex ), -1 );\n\t\t\t\tcurrentSlide.setAttribute( 'data-fragment', index );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn changedFragments;\n\n\t}\n\n\t/**\n\t * Formats the fragments on the given slide so that they have\n\t * valid indices. Call this if fragments are changed in the DOM\n\t * after reveal.js has already initialized.\n\t *\n\t * @param {HTMLElement} slide\n\t * @return {Array} a list of the HTML fragments that were synced\n\t */\n\tsync( slide = this.Reveal.getCurrentSlide() ) {\n\n\t\treturn this.sort( slide.querySelectorAll( '.fragment' ) );\n\n\t}\n\n\t/**\n\t * Navigate to the specified slide fragment.\n\t *\n\t * @param {?number} index The index of the fragment that\n\t * should be shown, -1 means all are invisible\n\t * @param {number} offset Integer offset to apply to the\n\t * fragment index\n\t *\n\t * @return {boolean} true if a change was made in any\n\t * fragments visibility as part of this call\n\t */\n\tgoto( index, offset = 0 ) {\n\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tif( currentSlide && this.Reveal.getConfig().fragments ) {\n\n\t\t\tlet fragments = this.sort( currentSlide.querySelectorAll( '.fragment:not(.disabled)' ) );\n\t\t\tif( fragments.length ) {\n\n\t\t\t\t// If no index is specified, find the current\n\t\t\t\tif( typeof index !== 'number' ) {\n\t\t\t\t\tlet lastVisibleFragment = this.sort( currentSlide.querySelectorAll( '.fragment:not(.disabled).visible' ) ).pop();\n\n\t\t\t\t\tif( lastVisibleFragment ) {\n\t\t\t\t\t\tindex = parseInt( lastVisibleFragment.getAttribute( 'data-fragment-index' ) || 0, 10 );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tindex = -1;\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// Apply the offset if there is one\n\t\t\t\tindex += offset;\n\n\t\t\t\tlet changedFragments = this.update( index, fragments );\n\n\t\t\t\tif( changedFragments.hidden.length ) {\n\t\t\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\t\t\ttype: 'fragmenthidden',\n\t\t\t\t\t\tdata: {\n\t\t\t\t\t\t\tfragment: changedFragments.hidden[0],\n\t\t\t\t\t\t\tfragments: changedFragments.hidden\n\t\t\t\t\t\t}\n\t\t\t\t\t});\n\t\t\t\t}\n\n\t\t\t\tif( changedFragments.shown.length ) {\n\t\t\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\t\t\ttype: 'fragmentshown',\n\t\t\t\t\t\tdata: {\n\t\t\t\t\t\t\tfragment: changedFragments.shown[0],\n\t\t\t\t\t\t\tfragments: changedFragments.shown\n\t\t\t\t\t\t}\n\t\t\t\t\t});\n\t\t\t\t}\n\n\t\t\t\tthis.Reveal.controls.update();\n\t\t\t\tthis.Reveal.progress.update();\n\n\t\t\t\tif( this.Reveal.getConfig().fragmentInURL ) {\n\t\t\t\t\tthis.Reveal.location.writeURL();\n\t\t\t\t}\n\n\t\t\t\treturn !!( changedFragments.shown.length || changedFragments.hidden.length );\n\n\t\t\t}\n\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t/**\n\t * Navigate to the next slide fragment.\n\t *\n\t * @return {boolean} true if there was a next fragment,\n\t * false otherwise\n\t */\n\tnext() {\n\n\t\treturn this.goto( null, 1 );\n\n\t}\n\n\t/**\n\t * Navigate to the previous slide fragment.\n\t *\n\t * @return {boolean} true if there was a previous fragment,\n\t * false otherwise\n\t */\n\tprev() {\n\n\t\treturn this.goto( null, -1 );\n\n\t}\n\n}","import { SLIDES_SELECTOR } from '../utils/constants.js'\nimport { extend, queryAll, transformElement } from '../utils/util.js'\n\n/**\n * Handles all logic related to the overview mode\n * (birds-eye view of all slides).\n */\nexport default class Overview {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.active = false;\n\n\t\tthis.onSlideClicked = this.onSlideClicked.bind( this );\n\n\t}\n\n\t/**\n\t * Displays the overview of slides (quick nav) by scaling\n\t * down and arranging all slide elements.\n\t */\n\tactivate() {\n\n\t\t// Only proceed if enabled in config\n\t\tif( this.Reveal.getConfig().overview && !this.isActive() ) {\n\n\t\t\tthis.active = true;\n\n\t\t\tthis.Reveal.getRevealElement().classList.add( 'overview' );\n\n\t\t\t// Don't auto-slide while in overview mode\n\t\t\tthis.Reveal.cancelAutoSlide();\n\n\t\t\t// Move the backgrounds element into the slide container to\n\t\t\t// that the same scaling is applied\n\t\t\tthis.Reveal.getSlidesElement().appendChild( this.Reveal.getBackgroundsElement() );\n\n\t\t\t// Clicking on an overview slide navigates to it\n\t\t\tqueryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( slide => {\n\t\t\t\tif( !slide.classList.contains( 'stack' ) ) {\n\t\t\t\t\tslide.addEventListener( 'click', this.onSlideClicked, true );\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\t// Calculate slide sizes\n\t\t\tconst margin = 70;\n\t\t\tconst slideSize = this.Reveal.getComputedSlideSize();\n\t\t\tthis.overviewSlideWidth = slideSize.width + margin;\n\t\t\tthis.overviewSlideHeight = slideSize.height + margin;\n\n\t\t\t// Reverse in RTL mode\n\t\t\tif( this.Reveal.getConfig().rtl ) {\n\t\t\t\tthis.overviewSlideWidth = -this.overviewSlideWidth;\n\t\t\t}\n\n\t\t\tthis.Reveal.updateSlidesVisibility();\n\n\t\t\tthis.layout();\n\t\t\tthis.update();\n\n\t\t\tthis.Reveal.layout();\n\n\t\t\tconst indices = this.Reveal.getIndices();\n\n\t\t\t// Notify observers of the overview showing\n\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\ttype: 'overviewshown',\n\t\t\t\tdata: {\n\t\t\t\t\t'indexh': indices.h,\n\t\t\t\t\t'indexv': indices.v,\n\t\t\t\t\t'currentSlide': this.Reveal.getCurrentSlide()\n\t\t\t\t}\n\t\t\t});\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Uses CSS transforms to position all slides in a grid for\n\t * display inside of the overview mode.\n\t */\n\tlayout() {\n\n\t\t// Layout slides\n\t\tthis.Reveal.getHorizontalSlides().forEach( ( hslide, h ) => {\n\t\t\thslide.setAttribute( 'data-index-h', h );\n\t\t\ttransformElement( hslide, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' );\n\n\t\t\tif( hslide.classList.contains( 'stack' ) ) {\n\n\t\t\t\tqueryAll( hslide, 'section' ).forEach( ( vslide, v ) => {\n\t\t\t\t\tvslide.setAttribute( 'data-index-h', h );\n\t\t\t\t\tvslide.setAttribute( 'data-index-v', v );\n\n\t\t\t\t\ttransformElement( vslide, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' );\n\t\t\t\t} );\n\n\t\t\t}\n\t\t} );\n\n\t\t// Layout slide backgrounds\n\t\tArray.from( this.Reveal.getBackgroundsElement().childNodes ).forEach( ( hbackground, h ) => {\n\t\t\ttransformElement( hbackground, 'translate3d(' + ( h * this.overviewSlideWidth ) + 'px, 0, 0)' );\n\n\t\t\tqueryAll( hbackground, '.slide-background' ).forEach( ( vbackground, v ) => {\n\t\t\t\ttransformElement( vbackground, 'translate3d(0, ' + ( v * this.overviewSlideHeight ) + 'px, 0)' );\n\t\t\t} );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Moves the overview viewport to the current slides.\n\t * Called each time the current slide changes.\n\t */\n\tupdate() {\n\n\t\tconst vmin = Math.min( window.innerWidth, window.innerHeight );\n\t\tconst scale = Math.max( vmin / 5, 150 ) / vmin;\n\t\tconst indices = this.Reveal.getIndices();\n\n\t\tthis.Reveal.transformSlides( {\n\t\t\toverview: [\n\t\t\t\t'scale('+ scale +')',\n\t\t\t\t'translateX('+ ( -indices.h * this.overviewSlideWidth ) +'px)',\n\t\t\t\t'translateY('+ ( -indices.v * this.overviewSlideHeight ) +'px)'\n\t\t\t].join( ' ' )\n\t\t} );\n\n\t}\n\n\t/**\n\t * Exits the slide overview and enters the currently\n\t * active slide.\n\t */\n\tdeactivate() {\n\n\t\t// Only proceed if enabled in config\n\t\tif( this.Reveal.getConfig().overview ) {\n\n\t\t\tthis.active = false;\n\n\t\t\tthis.Reveal.getRevealElement().classList.remove( 'overview' );\n\n\t\t\t// Temporarily add a class so that transitions can do different things\n\t\t\t// depending on whether they are exiting/entering overview, or just\n\t\t\t// moving from slide to slide\n\t\t\tthis.Reveal.getRevealElement().classList.add( 'overview-deactivating' );\n\n\t\t\tsetTimeout( () => {\n\t\t\t\tthis.Reveal.getRevealElement().classList.remove( 'overview-deactivating' );\n\t\t\t}, 1 );\n\n\t\t\t// Move the background element back out\n\t\t\tthis.Reveal.getRevealElement().appendChild( this.Reveal.getBackgroundsElement() );\n\n\t\t\t// Clean up changes made to slides\n\t\t\tqueryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR ).forEach( slide => {\n\t\t\t\ttransformElement( slide, '' );\n\n\t\t\t\tslide.removeEventListener( 'click', this.onSlideClicked, true );\n\t\t\t} );\n\n\t\t\t// Clean up changes made to backgrounds\n\t\t\tqueryAll( this.Reveal.getBackgroundsElement(), '.slide-background' ).forEach( background => {\n\t\t\t\ttransformElement( background, '' );\n\t\t\t} );\n\n\t\t\tthis.Reveal.transformSlides( { overview: '' } );\n\n\t\t\tconst indices = this.Reveal.getIndices();\n\n\t\t\tthis.Reveal.slide( indices.h, indices.v );\n\t\t\tthis.Reveal.layout();\n\t\t\tthis.Reveal.cueAutoSlide();\n\n\t\t\t// Notify observers of the overview hiding\n\t\t\tthis.Reveal.dispatchEvent({\n\t\t\t\ttype: 'overviewhidden',\n\t\t\t\tdata: {\n\t\t\t\t\t'indexh': indices.h,\n\t\t\t\t\t'indexv': indices.v,\n\t\t\t\t\t'currentSlide': this.Reveal.getCurrentSlide()\n\t\t\t\t}\n\t\t\t});\n\n\t\t}\n\t}\n\n\t/**\n\t * Toggles the slide overview mode on and off.\n\t *\n\t * @param {Boolean} [override] Flag which overrides the\n\t * toggle logic and forcibly sets the desired state. True means\n\t * overview is open, false means it's closed.\n\t */\n\ttoggle( override ) {\n\n\t\tif( typeof override === 'boolean' ) {\n\t\t\toverride ? this.activate() : this.deactivate();\n\t\t}\n\t\telse {\n\t\t\tthis.isActive() ? this.deactivate() : this.activate();\n\t\t}\n\n\t}\n\n\t/**\n\t * Checks if the overview is currently active.\n\t *\n\t * @return {Boolean} true if the overview is active,\n\t * false otherwise\n\t */\n\tisActive() {\n\n\t\treturn this.active;\n\n\t}\n\n\t/**\n\t * Invoked when a slide is and we're in the overview.\n\t *\n\t * @param {object} event\n\t */\n\tonSlideClicked( event ) {\n\n\t\tif( this.isActive() ) {\n\t\t\tevent.preventDefault();\n\n\t\t\tlet element = event.target;\n\n\t\t\twhile( element && !element.nodeName.match( /section/gi ) ) {\n\t\t\t\telement = element.parentNode;\n\t\t\t}\n\n\t\t\tif( element && !element.classList.contains( 'disabled' ) ) {\n\n\t\t\t\tthis.deactivate();\n\n\t\t\t\tif( element.nodeName.match( /section/gi ) ) {\n\t\t\t\t\tlet h = parseInt( element.getAttribute( 'data-index-h' ), 10 ),\n\t\t\t\t\t\tv = parseInt( element.getAttribute( 'data-index-v' ), 10 );\n\n\t\t\t\t\tthis.Reveal.slide( h, v );\n\t\t\t\t}\n\n\t\t\t}\n\t\t}\n\n\t}\n\n}","import { enterFullscreen } from '../utils/util.js'\n\n/**\n * Handles all reveal.js keyboard interactions.\n */\nexport default class Keyboard {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\t// A key:value map of keyboard keys and descriptions of\n\t\t// the actions they trigger\n\t\tthis.shortcuts = {};\n\n\t\t// Holds custom key code mappings\n\t\tthis.bindings = {};\n\n\t\tthis.onDocumentKeyDown = this.onDocumentKeyDown.bind( this );\n\t\tthis.onDocumentKeyPress = this.onDocumentKeyPress.bind( this );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.navigationMode === 'linear' ) {\n\t\t\tthis.shortcuts['→ , ↓ , SPACE , N , L , J'] = 'Next slide';\n\t\t\tthis.shortcuts['← , ↑ , P , H , K'] = 'Previous slide';\n\t\t}\n\t\telse {\n\t\t\tthis.shortcuts['N , SPACE'] = 'Next slide';\n\t\t\tthis.shortcuts['P , Shift SPACE'] = 'Previous slide';\n\t\t\tthis.shortcuts['← , H'] = 'Navigate left';\n\t\t\tthis.shortcuts['→ , L'] = 'Navigate right';\n\t\t\tthis.shortcuts['↑ , K'] = 'Navigate up';\n\t\t\tthis.shortcuts['↓ , J'] = 'Navigate down';\n\t\t}\n\n\t\tthis.shortcuts['Alt + ←/↑/→/↓'] = 'Navigate without fragments';\n\t\tthis.shortcuts['Shift + ←/↑/→/↓'] = 'Jump to first/last slide';\n\t\tthis.shortcuts['B , .'] = 'Pause';\n\t\tthis.shortcuts['F'] = 'Fullscreen';\n\t\tthis.shortcuts['ESC, O'] = 'Slide overview';\n\n\t}\n\n\t/**\n\t * Starts listening for keyboard events.\n\t */\n\tbind() {\n\n\t\tdocument.addEventListener( 'keydown', this.onDocumentKeyDown, false );\n\t\tdocument.addEventListener( 'keypress', this.onDocumentKeyPress, false );\n\n\t}\n\n\t/**\n\t * Stops listening for keyboard events.\n\t */\n\tunbind() {\n\n\t\tdocument.removeEventListener( 'keydown', this.onDocumentKeyDown, false );\n\t\tdocument.removeEventListener( 'keypress', this.onDocumentKeyPress, false );\n\n\t}\n\n\t/**\n\t * Add a custom key binding with optional description to\n\t * be added to the help screen.\n\t */\n\taddKeyBinding( binding, callback ) {\n\n\t\tif( typeof binding === 'object' && binding.keyCode ) {\n\t\t\tthis.bindings[binding.keyCode] = {\n\t\t\t\tcallback: callback,\n\t\t\t\tkey: binding.key,\n\t\t\t\tdescription: binding.description\n\t\t\t};\n\t\t}\n\t\telse {\n\t\t\tthis.bindings[binding] = {\n\t\t\t\tcallback: callback,\n\t\t\t\tkey: null,\n\t\t\t\tdescription: null\n\t\t\t};\n\t\t}\n\n\t}\n\n\t/**\n\t * Removes the specified custom key binding.\n\t */\n\tremoveKeyBinding( keyCode ) {\n\n\t\tdelete this.bindings[keyCode];\n\n\t}\n\n\t/**\n\t * Programmatically triggers a keyboard event\n\t *\n\t * @param {int} keyCode\n\t */\n\ttriggerKey( keyCode ) {\n\n\t\tthis.onDocumentKeyDown( { keyCode } );\n\n\t}\n\n\t/**\n\t * Registers a new shortcut to include in the help overlay\n\t *\n\t * @param {String} key\n\t * @param {String} value\n\t */\n\tregisterKeyboardShortcut( key, value ) {\n\n\t\tthis.shortcuts[key] = value;\n\n\t}\n\n\tgetShortcuts() {\n\n\t\treturn this.shortcuts;\n\n\t}\n\n\tgetBindings() {\n\n\t\treturn this.bindings;\n\n\t}\n\n\t/**\n\t * Handler for the document level 'keypress' event.\n\t *\n\t * @param {object} event\n\t */\n\tonDocumentKeyPress( event ) {\n\n\t\t// Check if the pressed key is question mark\n\t\tif( event.shiftKey && event.charCode === 63 ) {\n\t\t\tthis.Reveal.toggleHelp();\n\t\t}\n\n\t}\n\n\t/**\n\t * Handler for the document level 'keydown' event.\n\t *\n\t * @param {object} event\n\t */\n\tonDocumentKeyDown( event ) {\n\n\t\tlet config = this.Reveal.getConfig();\n\n\t\t// If there's a condition specified and it returns false,\n\t\t// ignore this event\n\t\tif( typeof config.keyboardCondition === 'function' && config.keyboardCondition(event) === false ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// If keyboardCondition is set, only capture keyboard events\n\t\t// for embedded decks when they are focused\n\t\tif( config.keyboardCondition === 'focused' && !this.Reveal.isFocused() ) {\n\t\t\treturn true;\n\t\t}\n\n\t\t// Shorthand\n\t\tlet keyCode = event.keyCode;\n\n\t\t// Remember if auto-sliding was paused so we can toggle it\n\t\tlet autoSlideWasPaused = !this.Reveal.isAutoSliding();\n\n\t\tthis.Reveal.onUserInput( event );\n\n\t\t// Is there a focused element that could be using the keyboard?\n\t\tlet activeElementIsCE = document.activeElement && document.activeElement.isContentEditable === true;\n\t\tlet activeElementIsInput = document.activeElement && document.activeElement.tagName && /input|textarea/i.test( document.activeElement.tagName );\n\t\tlet activeElementIsNotes = document.activeElement && document.activeElement.className && /speaker-notes/i.test( document.activeElement.className);\n\n\t\t// Whitelist certain modifiers for slide navigation shortcuts\n\t\tlet isNavigationKey = [32, 37, 38, 39, 40, 78, 80].indexOf( event.keyCode ) !== -1;\n\n\t\t// Prevent all other events when a modifier is pressed\n\t\tlet unusedModifier = \t!( isNavigationKey && event.shiftKey || event.altKey ) &&\n\t\t\t\t\t\t\t\t( event.shiftKey || event.altKey || event.ctrlKey || event.metaKey );\n\n\t\t// Disregard the event if there's a focused element or a\n\t\t// keyboard modifier key is present\n\t\tif( activeElementIsCE || activeElementIsInput || activeElementIsNotes || unusedModifier ) return;\n\n\t\t// While paused only allow resume keyboard events; 'b', 'v', '.'\n\t\tlet resumeKeyCodes = [66,86,190,191];\n\t\tlet key;\n\n\t\t// Custom key bindings for togglePause should be able to resume\n\t\tif( typeof config.keyboard === 'object' ) {\n\t\t\tfor( key in config.keyboard ) {\n\t\t\t\tif( config.keyboard[key] === 'togglePause' ) {\n\t\t\t\t\tresumeKeyCodes.push( parseInt( key, 10 ) );\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\tif( this.Reveal.isPaused() && resumeKeyCodes.indexOf( keyCode ) === -1 ) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Use linear navigation if we're configured to OR if\n\t\t// the presentation is one-dimensional\n\t\tlet useLinearMode = config.navigationMode === 'linear' || !this.Reveal.hasHorizontalSlides() || !this.Reveal.hasVerticalSlides();\n\n\t\tlet triggered = false;\n\n\t\t// 1. User defined key bindings\n\t\tif( typeof config.keyboard === 'object' ) {\n\n\t\t\tfor( key in config.keyboard ) {\n\n\t\t\t\t// Check if this binding matches the pressed key\n\t\t\t\tif( parseInt( key, 10 ) === keyCode ) {\n\n\t\t\t\t\tlet value = config.keyboard[ key ];\n\n\t\t\t\t\t// Callback function\n\t\t\t\t\tif( typeof value === 'function' ) {\n\t\t\t\t\t\tvalue.apply( null, [ event ] );\n\t\t\t\t\t}\n\t\t\t\t\t// String shortcuts to reveal.js API\n\t\t\t\t\telse if( typeof value === 'string' && typeof this.Reveal[ value ] === 'function' ) {\n\t\t\t\t\t\tthis.Reveal[ value ].call();\n\t\t\t\t\t}\n\n\t\t\t\t\ttriggered = true;\n\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}\n\n\t\t// 2. Registered custom key bindings\n\t\tif( triggered === false ) {\n\n\t\t\tfor( key in this.bindings ) {\n\n\t\t\t\t// Check if this binding matches the pressed key\n\t\t\t\tif( parseInt( key, 10 ) === keyCode ) {\n\n\t\t\t\t\tlet action = this.bindings[ key ].callback;\n\n\t\t\t\t\t// Callback function\n\t\t\t\t\tif( typeof action === 'function' ) {\n\t\t\t\t\t\taction.apply( null, [ event ] );\n\t\t\t\t\t}\n\t\t\t\t\t// String shortcuts to reveal.js API\n\t\t\t\t\telse if( typeof action === 'string' && typeof this.Reveal[ action ] === 'function' ) {\n\t\t\t\t\t\tthis.Reveal[ action ].call();\n\t\t\t\t\t}\n\n\t\t\t\t\ttriggered = true;\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\n\t\t// 3. System defined key bindings\n\t\tif( triggered === false ) {\n\n\t\t\t// Assume true and try to prove false\n\t\t\ttriggered = true;\n\n\t\t\t// P, PAGE UP\n\t\t\tif( keyCode === 80 || keyCode === 33 ) {\n\t\t\t\tthis.Reveal.prev({skipFragments: event.altKey});\n\t\t\t}\n\t\t\t// N, PAGE DOWN\n\t\t\telse if( keyCode === 78 || keyCode === 34 ) {\n\t\t\t\tthis.Reveal.next({skipFragments: event.altKey});\n\t\t\t}\n\t\t\t// H, LEFT\n\t\t\telse if( keyCode === 72 || keyCode === 37 ) {\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.slide( 0 );\n\t\t\t\t}\n\t\t\t\telse if( !this.Reveal.overview.isActive() && useLinearMode ) {\n\t\t\t\t\tthis.Reveal.prev({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.left({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// L, RIGHT\n\t\t\telse if( keyCode === 76 || keyCode === 39 ) {\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.slide( this.Reveal.getHorizontalSlides().length - 1 );\n\t\t\t\t}\n\t\t\t\telse if( !this.Reveal.overview.isActive() && useLinearMode ) {\n\t\t\t\t\tthis.Reveal.next({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.right({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// K, UP\n\t\t\telse if( keyCode === 75 || keyCode === 38 ) {\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.slide( undefined, 0 );\n\t\t\t\t}\n\t\t\t\telse if( !this.Reveal.overview.isActive() && useLinearMode ) {\n\t\t\t\t\tthis.Reveal.prev({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.up({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// J, DOWN\n\t\t\telse if( keyCode === 74 || keyCode === 40 ) {\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.slide( undefined, Number.MAX_VALUE );\n\t\t\t\t}\n\t\t\t\telse if( !this.Reveal.overview.isActive() && useLinearMode ) {\n\t\t\t\t\tthis.Reveal.next({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.down({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// HOME\n\t\t\telse if( keyCode === 36 ) {\n\t\t\t\tthis.Reveal.slide( 0 );\n\t\t\t}\n\t\t\t// END\n\t\t\telse if( keyCode === 35 ) {\n\t\t\t\tthis.Reveal.slide( this.Reveal.getHorizontalSlides().length - 1 );\n\t\t\t}\n\t\t\t// SPACE\n\t\t\telse if( keyCode === 32 ) {\n\t\t\t\tif( this.Reveal.overview.isActive() ) {\n\t\t\t\t\tthis.Reveal.overview.deactivate();\n\t\t\t\t}\n\t\t\t\tif( event.shiftKey ) {\n\t\t\t\t\tthis.Reveal.prev({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.Reveal.next({skipFragments: event.altKey});\n\t\t\t\t}\n\t\t\t}\n\t\t\t// TWO-SPOT, SEMICOLON, B, V, PERIOD, LOGITECH PRESENTER TOOLS \"BLACK SCREEN\" BUTTON\n\t\t\telse if( keyCode === 58 || keyCode === 59 || keyCode === 66 || keyCode === 86 || keyCode === 190 || keyCode === 191 ) {\n\t\t\t\tthis.Reveal.togglePause();\n\t\t\t}\n\t\t\t// F\n\t\t\telse if( keyCode === 70 ) {\n\t\t\t\tenterFullscreen( config.embedded ? this.Reveal.getViewportElement() : document.documentElement );\n\t\t\t}\n\t\t\t// A\n\t\t\telse if( keyCode === 65 ) {\n\t\t\t\tif ( config.autoSlideStoppable ) {\n\t\t\t\t\tthis.Reveal.toggleAutoSlide( autoSlideWasPaused );\n\t\t\t\t}\n\t\t\t}\n\t\t\telse {\n\t\t\t\ttriggered = false;\n\t\t\t}\n\n\t\t}\n\n\t\t// If the input resulted in a triggered action we should prevent\n\t\t// the browsers default behavior\n\t\tif( triggered ) {\n\t\t\tevent.preventDefault && event.preventDefault();\n\t\t}\n\t\t// ESC or O key\n\t\telse if( keyCode === 27 || keyCode === 79 ) {\n\t\t\tif( this.Reveal.closeOverlay() === false ) {\n\t\t\t\tthis.Reveal.overview.toggle();\n\t\t\t}\n\n\t\t\tevent.preventDefault && event.preventDefault();\n\t\t}\n\n\t\t// If auto-sliding is enabled we need to cue up\n\t\t// another timeout\n\t\tthis.Reveal.cueAutoSlide();\n\n\t}\n\n}","/**\n * Reads and writes the URL based on reveal.js' current state.\n */\nexport default class Location {\n\n\t// The minimum number of milliseconds that must pass between\n\t// calls to history.replaceState\n\tMAX_REPLACE_STATE_FREQUENCY = 1000\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\t// Delays updates to the URL due to a Chrome thumbnailer bug\n\t\tthis.writeURLTimeout = 0;\n\n\t\tthis.replaceStateTimestamp = 0;\n\n\t\tthis.onWindowHashChange = this.onWindowHashChange.bind( this );\n\n\t}\n\n\tbind() {\n\n\t\twindow.addEventListener( 'hashchange', this.onWindowHashChange, false );\n\n\t}\n\n\tunbind() {\n\n\t\twindow.removeEventListener( 'hashchange', this.onWindowHashChange, false );\n\n\t}\n\n\t/**\n\t * Returns the slide indices for the given hash link.\n\t *\n\t * @param {string} [hash] the hash string that we want to\n\t * find the indices for\n\t *\n\t * @returns slide indices or null\n\t */\n\tgetIndicesFromHash( hash=window.location.hash ) {\n\n\t\t// Attempt to parse the hash as either an index or name\n\t\tlet name = hash.replace( /^#\\/?/, '' );\n\t\tlet bits = name.split( '/' );\n\n\t\t// If the first bit is not fully numeric and there is a name we\n\t\t// can assume that this is a named link\n\t\tif( !/^[0-9]*$/.test( bits[0] ) && name.length ) {\n\t\t\tlet element;\n\n\t\t\tlet f;\n\n\t\t\t// Parse named links with fragments (#/named-link/2)\n\t\t\tif( /\\/[-\\d]+$/g.test( name ) ) {\n\t\t\t\tf = parseInt( name.split( '/' ).pop(), 10 );\n\t\t\t\tf = isNaN(f) ? undefined : f;\n\t\t\t\tname = name.split( '/' ).shift();\n\t\t\t}\n\n\t\t\t// Ensure the named link is a valid HTML ID attribute\n\t\t\ttry {\n\t\t\t\telement = document.getElementById( decodeURIComponent( name ) );\n\t\t\t}\n\t\t\tcatch ( error ) { }\n\n\t\t\tif( element ) {\n\t\t\t\treturn { ...this.Reveal.getIndices( element ), f };\n\t\t\t}\n\t\t}\n\t\telse {\n\t\t\tconst config = this.Reveal.getConfig();\n\t\t\tlet hashIndexBase = config.hashOneBasedIndex ? 1 : 0;\n\n\t\t\t// Read the index components of the hash\n\t\t\tlet h = ( parseInt( bits[0], 10 ) - hashIndexBase ) || 0,\n\t\t\t\tv = ( parseInt( bits[1], 10 ) - hashIndexBase ) || 0,\n\t\t\t\tf;\n\n\t\t\tif( config.fragmentInURL ) {\n\t\t\t\tf = parseInt( bits[2], 10 );\n\t\t\t\tif( isNaN( f ) ) {\n\t\t\t\t\tf = undefined;\n\t\t\t\t}\n\t\t\t}\n\n\t\t\treturn { h, v, f };\n\t\t}\n\n\t\t// The hash couldn't be parsed or no matching named link was found\n\t\treturn null\n\n\t}\n\n\t/**\n\t * Reads the current URL (hash) and navigates accordingly.\n\t */\n\treadURL() {\n\n\t\tconst currentIndices = this.Reveal.getIndices();\n\t\tconst newIndices = this.getIndicesFromHash();\n\n\t\tif( newIndices ) {\n\t\t\tif( ( newIndices.h !== currentIndices.h || newIndices.v !== currentIndices.v || newIndices.f !== undefined ) ) {\n\t\t\t\t\tthis.Reveal.slide( newIndices.h, newIndices.v, newIndices.f );\n\t\t\t}\n\t\t}\n\t\t// If no new indices are available, we're trying to navigate to\n\t\t// a slide hash that does not exist\n\t\telse {\n\t\t\tthis.Reveal.slide( currentIndices.h || 0, currentIndices.v || 0 );\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the page URL (hash) to reflect the current\n\t * state.\n\t *\n\t * @param {number} delay The time in ms to wait before\n\t * writing the hash\n\t */\n\twriteURL( delay ) {\n\n\t\tlet config = this.Reveal.getConfig();\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\n\t\t// Make sure there's never more than one timeout running\n\t\tclearTimeout( this.writeURLTimeout );\n\n\t\t// If a delay is specified, timeout this call\n\t\tif( typeof delay === 'number' ) {\n\t\t\tthis.writeURLTimeout = setTimeout( this.writeURL, delay );\n\t\t}\n\t\telse if( currentSlide ) {\n\n\t\t\tlet hash = this.getHash();\n\n\t\t\t// If we're configured to push to history OR the history\n\t\t\t// API is not avaialble.\n\t\t\tif( config.history ) {\n\t\t\t\twindow.location.hash = hash;\n\t\t\t}\n\t\t\t// If we're configured to reflect the current slide in the\n\t\t\t// URL without pushing to history.\n\t\t\telse if( config.hash ) {\n\t\t\t\t// If the hash is empty, don't add it to the URL\n\t\t\t\tif( hash === '/' ) {\n\t\t\t\t\tthis.debouncedReplaceState( window.location.pathname + window.location.search );\n\t\t\t\t}\n\t\t\t\telse {\n\t\t\t\t\tthis.debouncedReplaceState( '#' + hash );\n\t\t\t\t}\n\t\t\t}\n\t\t\t// UPDATE: The below nuking of all hash changes breaks\n\t\t\t// anchors on pages where reveal.js is running. Removed\n\t\t\t// in 4.0. Why was it here in the first place? ¯\\_(ツ)_/¯\n\t\t\t//\n\t\t\t// If history and hash are both disabled, a hash may still\n\t\t\t// be added to the URL by clicking on a href with a hash\n\t\t\t// target. Counter this by always removing the hash.\n\t\t\t// else {\n\t\t\t// \twindow.history.replaceState( null, null, window.location.pathname + window.location.search );\n\t\t\t// }\n\n\t\t}\n\n\t}\n\n\treplaceState( url ) {\n\n\t\twindow.history.replaceState( null, null, url );\n\t\tthis.replaceStateTimestamp = Date.now();\n\n\t}\n\n\tdebouncedReplaceState( url ) {\n\n\t\tclearTimeout( this.replaceStateTimeout );\n\n\t\tif( Date.now() - this.replaceStateTimestamp > this.MAX_REPLACE_STATE_FREQUENCY ) {\n\t\t\tthis.replaceState( url );\n\t\t}\n\t\telse {\n\t\t\tthis.replaceStateTimeout = setTimeout( () => this.replaceState( url ), this.MAX_REPLACE_STATE_FREQUENCY );\n\t\t}\n\n\t}\n\n\t/**\n\t * Return a hash URL that will resolve to the given slide location.\n\t *\n\t * @param {HTMLElement} [slide=currentSlide] The slide to link to\n\t */\n\tgetHash( slide ) {\n\n\t\tlet url = '/';\n\n\t\t// Attempt to create a named link based on the slide's ID\n\t\tlet s = slide || this.Reveal.getCurrentSlide();\n\t\tlet id = s ? s.getAttribute( 'id' ) : null;\n\t\tif( id ) {\n\t\t\tid = encodeURIComponent( id );\n\t\t}\n\n\t\tlet index = this.Reveal.getIndices( slide );\n\t\tif( !this.Reveal.getConfig().fragmentInURL ) {\n\t\t\tindex.f = undefined;\n\t\t}\n\n\t\t// If the current slide has an ID, use that as a named link,\n\t\t// but we don't support named links with a fragment index\n\t\tif( typeof id === 'string' && id.length ) {\n\t\t\turl = '/' + id;\n\n\t\t\t// If there is also a fragment, append that at the end\n\t\t\t// of the named link, like: #/named-link/2\n\t\t\tif( index.f >= 0 ) url += '/' + index.f;\n\t\t}\n\t\t// Otherwise use the /h/v index\n\t\telse {\n\t\t\tlet hashIndexBase = this.Reveal.getConfig().hashOneBasedIndex ? 1 : 0;\n\t\t\tif( index.h > 0 || index.v > 0 || index.f >= 0 ) url += index.h + hashIndexBase;\n\t\t\tif( index.v > 0 || index.f >= 0 ) url += '/' + (index.v + hashIndexBase );\n\t\t\tif( index.f >= 0 ) url += '/' + index.f;\n\t\t}\n\n\t\treturn url;\n\n\t}\n\n\t/**\n\t * Handler for the window level 'hashchange' event.\n\t *\n\t * @param {object} [event]\n\t */\n\tonWindowHashChange( event ) {\n\n\t\tthis.readURL();\n\n\t}\n\n}","import { queryAll } from '../utils/util.js'\nimport { isAndroid } from '../utils/device.js'\n\n/**\n * Manages our presentation controls. This includes both\n * the built-in control arrows as well as event monitoring\n * of any elements within the presentation with either of the\n * following helper classes:\n * - .navigate-up\n * - .navigate-right\n * - .navigate-down\n * - .navigate-left\n * - .navigate-next\n * - .navigate-prev\n */\nexport default class Controls {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.onNavigateLeftClicked = this.onNavigateLeftClicked.bind( this );\n\t\tthis.onNavigateRightClicked = this.onNavigateRightClicked.bind( this );\n\t\tthis.onNavigateUpClicked = this.onNavigateUpClicked.bind( this );\n\t\tthis.onNavigateDownClicked = this.onNavigateDownClicked.bind( this );\n\t\tthis.onNavigatePrevClicked = this.onNavigatePrevClicked.bind( this );\n\t\tthis.onNavigateNextClicked = this.onNavigateNextClicked.bind( this );\n\n\t}\n\n\trender() {\n\n\t\tconst rtl = this.Reveal.getConfig().rtl;\n\t\tconst revealElement = this.Reveal.getRevealElement();\n\n\t\tthis.element = document.createElement( 'aside' );\n\t\tthis.element.className = 'controls';\n\t\tthis.element.innerHTML =\n\t\t\t`\n\t\t\t\n\t\t\t\n\t\t\t`;\n\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t\t// There can be multiple instances of controls throughout the page\n\t\tthis.controlsLeft = queryAll( revealElement, '.navigate-left' );\n\t\tthis.controlsRight = queryAll( revealElement, '.navigate-right' );\n\t\tthis.controlsUp = queryAll( revealElement, '.navigate-up' );\n\t\tthis.controlsDown = queryAll( revealElement, '.navigate-down' );\n\t\tthis.controlsPrev = queryAll( revealElement, '.navigate-prev' );\n\t\tthis.controlsNext = queryAll( revealElement, '.navigate-next' );\n\n\t\t// The left, right and down arrows in the standard reveal.js controls\n\t\tthis.controlsRightArrow = this.element.querySelector( '.navigate-right' );\n\t\tthis.controlsLeftArrow = this.element.querySelector( '.navigate-left' );\n\t\tthis.controlsDownArrow = this.element.querySelector( '.navigate-down' );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tthis.element.style.display = config.controls ? 'block' : 'none';\n\n\t\tthis.element.setAttribute( 'data-controls-layout', config.controlsLayout );\n\t\tthis.element.setAttribute( 'data-controls-back-arrows', config.controlsBackArrows );\n\n\t}\n\n\tbind() {\n\n\t\t// Listen to both touch and click events, in case the device\n\t\t// supports both\n\t\tlet pointerEvents = [ 'touchstart', 'click' ];\n\n\t\t// Only support touch for Android, fixes double navigations in\n\t\t// stock browser\n\t\tif( isAndroid ) {\n\t\t\tpointerEvents = [ 'touchstart' ];\n\t\t}\n\n\t\tpointerEvents.forEach( eventName => {\n\t\t\tthis.controlsLeft.forEach( el => el.addEventListener( eventName, this.onNavigateLeftClicked, false ) );\n\t\t\tthis.controlsRight.forEach( el => el.addEventListener( eventName, this.onNavigateRightClicked, false ) );\n\t\t\tthis.controlsUp.forEach( el => el.addEventListener( eventName, this.onNavigateUpClicked, false ) );\n\t\t\tthis.controlsDown.forEach( el => el.addEventListener( eventName, this.onNavigateDownClicked, false ) );\n\t\t\tthis.controlsPrev.forEach( el => el.addEventListener( eventName, this.onNavigatePrevClicked, false ) );\n\t\t\tthis.controlsNext.forEach( el => el.addEventListener( eventName, this.onNavigateNextClicked, false ) );\n\t\t} );\n\n\t}\n\n\tunbind() {\n\n\t\t[ 'touchstart', 'click' ].forEach( eventName => {\n\t\t\tthis.controlsLeft.forEach( el => el.removeEventListener( eventName, this.onNavigateLeftClicked, false ) );\n\t\t\tthis.controlsRight.forEach( el => el.removeEventListener( eventName, this.onNavigateRightClicked, false ) );\n\t\t\tthis.controlsUp.forEach( el => el.removeEventListener( eventName, this.onNavigateUpClicked, false ) );\n\t\t\tthis.controlsDown.forEach( el => el.removeEventListener( eventName, this.onNavigateDownClicked, false ) );\n\t\t\tthis.controlsPrev.forEach( el => el.removeEventListener( eventName, this.onNavigatePrevClicked, false ) );\n\t\t\tthis.controlsNext.forEach( el => el.removeEventListener( eventName, this.onNavigateNextClicked, false ) );\n\t\t} );\n\n\t}\n\n\t/**\n\t * Updates the state of all control/navigation arrows.\n\t */\n\tupdate() {\n\n\t\tlet routes = this.Reveal.availableRoutes();\n\n\t\t// Remove the 'enabled' class from all directions\n\t\t[...this.controlsLeft, ...this.controlsRight, ...this.controlsUp, ...this.controlsDown, ...this.controlsPrev, ...this.controlsNext].forEach( node => {\n\t\t\tnode.classList.remove( 'enabled', 'fragmented' );\n\n\t\t\t// Set 'disabled' attribute on all directions\n\t\t\tnode.setAttribute( 'disabled', 'disabled' );\n\t\t} );\n\n\t\t// Add the 'enabled' class to the available routes; remove 'disabled' attribute to enable buttons\n\t\tif( routes.left ) this.controlsLeft.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\tif( routes.right ) this.controlsRight.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\tif( routes.up ) this.controlsUp.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\tif( routes.down ) this.controlsDown.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\n\t\t// Prev/next buttons\n\t\tif( routes.left || routes.up ) this.controlsPrev.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\tif( routes.right || routes.down ) this.controlsNext.forEach( el => { el.classList.add( 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\n\t\t// Highlight fragment directions\n\t\tlet currentSlide = this.Reveal.getCurrentSlide();\n\t\tif( currentSlide ) {\n\n\t\t\tlet fragmentsRoutes = this.Reveal.fragments.availableRoutes();\n\n\t\t\t// Always apply fragment decorator to prev/next buttons\n\t\t\tif( fragmentsRoutes.prev ) this.controlsPrev.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\tif( fragmentsRoutes.next ) this.controlsNext.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\n\t\t\t// Apply fragment decorators to directional buttons based on\n\t\t\t// what slide axis they are in\n\t\t\tif( this.Reveal.isVerticalSlide( currentSlide ) ) {\n\t\t\t\tif( fragmentsRoutes.prev ) this.controlsUp.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\t\tif( fragmentsRoutes.next ) this.controlsDown.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tif( fragmentsRoutes.prev ) this.controlsLeft.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\t\tif( fragmentsRoutes.next ) this.controlsRight.forEach( el => { el.classList.add( 'fragmented', 'enabled' ); el.removeAttribute( 'disabled' ); } );\n\t\t\t}\n\n\t\t}\n\n\t\tif( this.Reveal.getConfig().controlsTutorial ) {\n\n\t\t\tlet indices = this.Reveal.getIndices();\n\n\t\t\t// Highlight control arrows with an animation to ensure\n\t\t\t// that the viewer knows how to navigate\n\t\t\tif( !this.Reveal.hasNavigatedVertically() && routes.down ) {\n\t\t\t\tthis.controlsDownArrow.classList.add( 'highlight' );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tthis.controlsDownArrow.classList.remove( 'highlight' );\n\n\t\t\t\tif( this.Reveal.getConfig().rtl ) {\n\n\t\t\t\t\tif( !this.Reveal.hasNavigatedHorizontally() && routes.left && indices.v === 0 ) {\n\t\t\t\t\t\tthis.controlsLeftArrow.classList.add( 'highlight' );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.controlsLeftArrow.classList.remove( 'highlight' );\n\t\t\t\t\t}\n\n\t\t\t\t} else {\n\n\t\t\t\t\tif( !this.Reveal.hasNavigatedHorizontally() && routes.right && indices.v === 0 ) {\n\t\t\t\t\t\tthis.controlsRightArrow.classList.add( 'highlight' );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.controlsRightArrow.classList.remove( 'highlight' );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\tdestroy() {\n\n\t\tthis.unbind();\n\t\tthis.element.remove();\n\n\t}\n\n\t/**\n\t * Event handlers for navigation control buttons.\n\t */\n\tonNavigateLeftClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tif( this.Reveal.getConfig().navigationMode === 'linear' ) {\n\t\t\tthis.Reveal.prev();\n\t\t}\n\t\telse {\n\t\t\tthis.Reveal.left();\n\t\t}\n\n\t}\n\n\tonNavigateRightClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tif( this.Reveal.getConfig().navigationMode === 'linear' ) {\n\t\t\tthis.Reveal.next();\n\t\t}\n\t\telse {\n\t\t\tthis.Reveal.right();\n\t\t}\n\n\t}\n\n\tonNavigateUpClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tthis.Reveal.up();\n\n\t}\n\n\tonNavigateDownClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tthis.Reveal.down();\n\n\t}\n\n\tonNavigatePrevClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tthis.Reveal.prev();\n\n\t}\n\n\tonNavigateNextClicked( event ) {\n\n\t\tevent.preventDefault();\n\t\tthis.Reveal.onUserInput();\n\n\t\tthis.Reveal.next();\n\n\t}\n\n\n}","/**\n * Creates a visual progress bar for the presentation.\n */\nexport default class Progress {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.onProgressClicked = this.onProgressClicked.bind( this );\n\n\t}\n\n\trender() {\n\n\t\tthis.element = document.createElement( 'div' );\n\t\tthis.element.className = 'progress';\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t\tthis.bar = document.createElement( 'span' );\n\t\tthis.element.appendChild( this.bar );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tthis.element.style.display = config.progress ? 'block' : 'none';\n\n\t}\n\n\tbind() {\n\n\t\tif( this.Reveal.getConfig().progress && this.element ) {\n\t\t\tthis.element.addEventListener( 'click', this.onProgressClicked, false );\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tif ( this.Reveal.getConfig().progress && this.element ) {\n\t\t\tthis.element.removeEventListener( 'click', this.onProgressClicked, false );\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the progress bar to reflect the current slide.\n\t */\n\tupdate() {\n\n\t\t// Update progress if enabled\n\t\tif( this.Reveal.getConfig().progress && this.bar ) {\n\n\t\t\tlet scale = this.Reveal.getProgress();\n\n\t\t\t// Don't fill the progress bar if there's only one slide\n\t\t\tif( this.Reveal.getTotalSlides() < 2 ) {\n\t\t\t\tscale = 0;\n\t\t\t}\n\n\t\t\tthis.bar.style.transform = 'scaleX('+ scale +')';\n\n\t\t}\n\n\t}\n\n\tgetMaxWidth() {\n\n\t\treturn this.Reveal.getRevealElement().offsetWidth;\n\n\t}\n\n\t/**\n\t * Clicking on the progress bar results in a navigation to the\n\t * closest approximate horizontal slide using this equation:\n\t *\n\t * ( clickX / presentationWidth ) * numberOfSlides\n\t *\n\t * @param {object} event\n\t */\n\tonProgressClicked( event ) {\n\n\t\tthis.Reveal.onUserInput( event );\n\n\t\tevent.preventDefault();\n\n\t\tlet slides = this.Reveal.getSlides();\n\t\tlet slidesTotal = slides.length;\n\t\tlet slideIndex = Math.floor( ( event.clientX / this.getMaxWidth() ) * slidesTotal );\n\n\t\tif( this.Reveal.getConfig().rtl ) {\n\t\t\tslideIndex = slidesTotal - slideIndex;\n\t\t}\n\n\t\tlet targetIndices = this.Reveal.getIndices(slides[slideIndex]);\n\t\tthis.Reveal.slide( targetIndices.h, targetIndices.v );\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.element.remove();\n\n\t}\n\n}","/**\n * Handles hiding of the pointer/cursor when inactive.\n */\nexport default class Pointer {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\t// Throttles mouse wheel navigation\n\t\tthis.lastMouseWheelStep = 0;\n\n\t\t// Is the mouse pointer currently hidden from view\n\t\tthis.cursorHidden = false;\n\n\t\t// Timeout used to determine when the cursor is inactive\n\t\tthis.cursorInactiveTimeout = 0;\n\n\t\tthis.onDocumentCursorActive = this.onDocumentCursorActive.bind( this );\n\t\tthis.onDocumentMouseScroll = this.onDocumentMouseScroll.bind( this );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.mouseWheel ) {\n\t\t\tdocument.addEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false ); // FF\n\t\t\tdocument.addEventListener( 'mousewheel', this.onDocumentMouseScroll, false );\n\t\t}\n\t\telse {\n\t\t\tdocument.removeEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false ); // FF\n\t\t\tdocument.removeEventListener( 'mousewheel', this.onDocumentMouseScroll, false );\n\t\t}\n\n\t\t// Auto-hide the mouse pointer when its inactive\n\t\tif( config.hideInactiveCursor ) {\n\t\t\tdocument.addEventListener( 'mousemove', this.onDocumentCursorActive, false );\n\t\t\tdocument.addEventListener( 'mousedown', this.onDocumentCursorActive, false );\n\t\t}\n\t\telse {\n\t\t\tthis.showCursor();\n\n\t\t\tdocument.removeEventListener( 'mousemove', this.onDocumentCursorActive, false );\n\t\t\tdocument.removeEventListener( 'mousedown', this.onDocumentCursorActive, false );\n\t\t}\n\n\t}\n\n\t/**\n\t * Shows the mouse pointer after it has been hidden with\n\t * #hideCursor.\n\t */\n\tshowCursor() {\n\n\t\tif( this.cursorHidden ) {\n\t\t\tthis.cursorHidden = false;\n\t\t\tthis.Reveal.getRevealElement().style.cursor = '';\n\t\t}\n\n\t}\n\n\t/**\n\t * Hides the mouse pointer when it's on top of the .reveal\n\t * container.\n\t */\n\thideCursor() {\n\n\t\tif( this.cursorHidden === false ) {\n\t\t\tthis.cursorHidden = true;\n\t\t\tthis.Reveal.getRevealElement().style.cursor = 'none';\n\t\t}\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.showCursor();\n\n\t\tdocument.removeEventListener( 'DOMMouseScroll', this.onDocumentMouseScroll, false );\n\t\tdocument.removeEventListener( 'mousewheel', this.onDocumentMouseScroll, false );\n\t\tdocument.removeEventListener( 'mousemove', this.onDocumentCursorActive, false );\n\t\tdocument.removeEventListener( 'mousedown', this.onDocumentCursorActive, false );\n\n\t}\n\n\t/**\n\t * Called whenever there is mouse input at the document level\n\t * to determine if the cursor is active or not.\n\t *\n\t * @param {object} event\n\t */\n\tonDocumentCursorActive( event ) {\n\n\t\tthis.showCursor();\n\n\t\tclearTimeout( this.cursorInactiveTimeout );\n\n\t\tthis.cursorInactiveTimeout = setTimeout( this.hideCursor.bind( this ), this.Reveal.getConfig().hideCursorTime );\n\n\t}\n\n\t/**\n\t * Handles mouse wheel scrolling, throttled to avoid skipping\n\t * multiple slides.\n\t *\n\t * @param {object} event\n\t */\n\tonDocumentMouseScroll( event ) {\n\n\t\tif( Date.now() - this.lastMouseWheelStep > 1000 ) {\n\n\t\t\tthis.lastMouseWheelStep = Date.now();\n\n\t\t\tlet delta = event.detail || -event.wheelDelta;\n\t\t\tif( delta > 0 ) {\n\t\t\t\tthis.Reveal.next();\n\t\t\t}\n\t\t\telse if( delta < 0 ) {\n\t\t\t\tthis.Reveal.prev();\n\t\t\t}\n\n\t\t}\n\n\t}\n\n}","/**\n * Loads a JavaScript file from the given URL and executes it.\n *\n * @param {string} url Address of the .js file to load\n * @param {function} callback Method to invoke when the script\n * has loaded and executed\n */\nexport const loadScript = ( url, callback ) => {\n\n\tconst script = document.createElement( 'script' );\n\tscript.type = 'text/javascript';\n\tscript.async = false;\n\tscript.defer = false;\n\tscript.src = url;\n\n\tif( typeof callback === 'function' ) {\n\n\t\t// Success callback\n\t\tscript.onload = script.onreadystatechange = event => {\n\t\t\tif( event.type === 'load' || /loaded|complete/.test( script.readyState ) ) {\n\n\t\t\t\t// Kill event listeners\n\t\t\t\tscript.onload = script.onreadystatechange = script.onerror = null;\n\n\t\t\t\tcallback();\n\n\t\t\t}\n\t\t};\n\n\t\t// Error callback\n\t\tscript.onerror = err => {\n\n\t\t\t// Kill event listeners\n\t\t\tscript.onload = script.onreadystatechange = script.onerror = null;\n\n\t\t\tcallback( new Error( 'Failed loading script: ' + script.src + '\\n' + err ) );\n\n\t\t};\n\n\t}\n\n\t// Append the script at the end of \n\tconst head = document.querySelector( 'head' );\n\thead.insertBefore( script, head.lastChild );\n\n}","import { loadScript } from '../utils/loader.js'\n\n/**\n * Manages loading and registering of reveal.js plugins.\n */\nexport default class Plugins {\n\n\tconstructor( reveal ) {\n\n\t\tthis.Reveal = reveal;\n\n\t\t// Flags our current state (idle -> loading -> loaded)\n\t\tthis.state = 'idle';\n\n\t\t// An id:instance map of currently registed plugins\n\t\tthis.registeredPlugins = {};\n\n\t\tthis.asyncDependencies = [];\n\n\t}\n\n\t/**\n\t * Loads reveal.js dependencies, registers and\n\t * initializes plugins.\n\t *\n\t * Plugins are direct references to a reveal.js plugin\n\t * object that we register and initialize after any\n\t * synchronous dependencies have loaded.\n\t *\n\t * Dependencies are defined via the 'dependencies' config\n\t * option and will be loaded prior to starting reveal.js.\n\t * Some dependencies may have an 'async' flag, if so they\n\t * will load after reveal.js has been started up.\n\t */\n\tload( plugins, dependencies ) {\n\n\t\tthis.state = 'loading';\n\n\t\tplugins.forEach( this.registerPlugin.bind( this ) );\n\n\t\treturn new Promise( resolve => {\n\n\t\t\tlet scripts = [],\n\t\t\t\tscriptsToLoad = 0;\n\n\t\t\tdependencies.forEach( s => {\n\t\t\t\t// Load if there's no condition or the condition is truthy\n\t\t\t\tif( !s.condition || s.condition() ) {\n\t\t\t\t\tif( s.async ) {\n\t\t\t\t\t\tthis.asyncDependencies.push( s );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tscripts.push( s );\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t} );\n\n\t\t\tif( scripts.length ) {\n\t\t\t\tscriptsToLoad = scripts.length;\n\n\t\t\t\tconst scriptLoadedCallback = (s) => {\n\t\t\t\t\tif( s && typeof s.callback === 'function' ) s.callback();\n\n\t\t\t\t\tif( --scriptsToLoad === 0 ) {\n\t\t\t\t\t\tthis.initPlugins().then( resolve );\n\t\t\t\t\t}\n\t\t\t\t};\n\n\t\t\t\t// Load synchronous scripts\n\t\t\t\tscripts.forEach( s => {\n\t\t\t\t\tif( typeof s.id === 'string' ) {\n\t\t\t\t\t\tthis.registerPlugin( s );\n\t\t\t\t\t\tscriptLoadedCallback( s );\n\t\t\t\t\t}\n\t\t\t\t\telse if( typeof s.src === 'string' ) {\n\t\t\t\t\t\tloadScript( s.src, () => scriptLoadedCallback(s) );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tconsole.warn( 'Unrecognized plugin format', s );\n\t\t\t\t\t\tscriptLoadedCallback();\n\t\t\t\t\t}\n\t\t\t\t} );\n\t\t\t}\n\t\t\telse {\n\t\t\t\tthis.initPlugins().then( resolve );\n\t\t\t}\n\n\t\t} );\n\n\t}\n\n\t/**\n\t * Initializes our plugins and waits for them to be ready\n\t * before proceeding.\n\t */\n\tinitPlugins() {\n\n\t\treturn new Promise( resolve => {\n\n\t\t\tlet pluginValues = Object.values( this.registeredPlugins );\n\t\t\tlet pluginsToInitialize = pluginValues.length;\n\n\t\t\t// If there are no plugins, skip this step\n\t\t\tif( pluginsToInitialize === 0 ) {\n\t\t\t\tthis.loadAsync().then( resolve );\n\t\t\t}\n\t\t\t// ... otherwise initialize plugins\n\t\t\telse {\n\n\t\t\t\tlet initNextPlugin;\n\n\t\t\t\tlet afterPlugInitialized = () => {\n\t\t\t\t\tif( --pluginsToInitialize === 0 ) {\n\t\t\t\t\t\tthis.loadAsync().then( resolve );\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tinitNextPlugin();\n\t\t\t\t\t}\n\t\t\t\t};\n\n\t\t\t\tlet i = 0;\n\n\t\t\t\t// Initialize plugins serially\n\t\t\t\tinitNextPlugin = () => {\n\n\t\t\t\t\tlet plugin = pluginValues[i++];\n\n\t\t\t\t\t// If the plugin has an 'init' method, invoke it\n\t\t\t\t\tif( typeof plugin.init === 'function' ) {\n\t\t\t\t\t\tlet promise = plugin.init( this.Reveal );\n\n\t\t\t\t\t\t// If the plugin returned a Promise, wait for it\n\t\t\t\t\t\tif( promise && typeof promise.then === 'function' ) {\n\t\t\t\t\t\t\tpromise.then( afterPlugInitialized );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tafterPlugInitialized();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tafterPlugInitialized();\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\tinitNextPlugin();\n\n\t\t\t}\n\n\t\t} )\n\n\t}\n\n\t/**\n\t * Loads all async reveal.js dependencies.\n\t */\n\tloadAsync() {\n\n\t\tthis.state = 'loaded';\n\n\t\tif( this.asyncDependencies.length ) {\n\t\t\tthis.asyncDependencies.forEach( s => {\n\t\t\t\tloadScript( s.src, s.callback );\n\t\t\t} );\n\t\t}\n\n\t\treturn Promise.resolve();\n\n\t}\n\n\t/**\n\t * Registers a new plugin with this reveal.js instance.\n\t *\n\t * reveal.js waits for all regisered plugins to initialize\n\t * before considering itself ready, as long as the plugin\n\t * is registered before calling `Reveal.initialize()`.\n\t */\n\tregisterPlugin( plugin ) {\n\n\t\t// Backwards compatibility to make reveal.js ~3.9.0\n\t\t// plugins work with reveal.js 4.0.0\n\t\tif( arguments.length === 2 && typeof arguments[0] === 'string' ) {\n\t\t\tplugin = arguments[1];\n\t\t\tplugin.id = arguments[0];\n\t\t}\n\t\t// Plugin can optionally be a function which we call\n\t\t// to create an instance of the plugin\n\t\telse if( typeof plugin === 'function' ) {\n\t\t\tplugin = plugin();\n\t\t}\n\n\t\tlet id = plugin.id;\n\n\t\tif( typeof id !== 'string' ) {\n\t\t\tconsole.warn( 'Unrecognized plugin format; can\\'t find plugin.id', plugin );\n\t\t}\n\t\telse if( this.registeredPlugins[id] === undefined ) {\n\t\t\tthis.registeredPlugins[id] = plugin;\n\n\t\t\t// If a plugin is registered after reveal.js is loaded,\n\t\t\t// initialize it right away\n\t\t\tif( this.state === 'loaded' && typeof plugin.init === 'function' ) {\n\t\t\t\tplugin.init( this.Reveal );\n\t\t\t}\n\t\t}\n\t\telse {\n\t\t\tconsole.warn( 'reveal.js: \"'+ id +'\" plugin has already been registered' );\n\t\t}\n\n\t}\n\n\t/**\n\t * Checks if a specific plugin has been registered.\n\t *\n\t * @param {String} id Unique plugin identifier\n\t */\n\thasPlugin( id ) {\n\n\t\treturn !!this.registeredPlugins[id];\n\n\t}\n\n\t/**\n\t * Returns the specific plugin instance, if a plugin\n\t * with the given ID has been registered.\n\t *\n\t * @param {String} id Unique plugin identifier\n\t */\n\tgetPlugin( id ) {\n\n\t\treturn this.registeredPlugins[id];\n\n\t}\n\n\tgetRegisteredPlugins() {\n\n\t\treturn this.registeredPlugins;\n\n\t}\n\n\tdestroy() {\n\n\t\tObject.values( this.registeredPlugins ).forEach( plugin => {\n\t\t\tif( typeof plugin.destroy === 'function' ) {\n\t\t\t\tplugin.destroy();\n\t\t\t}\n\t\t} );\n\n\t\tthis.registeredPlugins = {};\n\t\tthis.asyncDependencies = [];\n\n\t}\n\n}\n","import { SLIDES_SELECTOR } from '../utils/constants.js'\nimport { queryAll, createStyleSheet } from '../utils/util.js'\n\n/**\n * Setups up our presentation for printing/exporting to PDF.\n */\nexport default class Print {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\t/**\n\t * Configures the presentation for printing to a static\n\t * PDF.\n\t */\n\tasync setupPDF() {\n\n\t\tconst config = this.Reveal.getConfig();\n\t\tconst slides = queryAll( this.Reveal.getRevealElement(), SLIDES_SELECTOR )\n\n\t\t// Compute slide numbers now, before we start duplicating slides\n\t\tconst doingSlideNumbers = config.slideNumber && /all|print/i.test( config.showSlideNumber );\n\n\t\tconst slideSize = this.Reveal.getComputedSlideSize( window.innerWidth, window.innerHeight );\n\n\t\t// Dimensions of the PDF pages\n\t\tconst pageWidth = Math.floor( slideSize.width * ( 1 + config.margin ) ),\n\t\t\tpageHeight = Math.floor( slideSize.height * ( 1 + config.margin ) );\n\n\t\t// Dimensions of slides within the pages\n\t\tconst slideWidth = slideSize.width,\n\t\t\tslideHeight = slideSize.height;\n\n\t\tawait new Promise( requestAnimationFrame );\n\n\t\t// Let the browser know what page size we want to print\n\t\tcreateStyleSheet( '@page{size:'+ pageWidth +'px '+ pageHeight +'px; margin: 0px;}' );\n\n\t\t// Limit the size of certain elements to the dimensions of the slide\n\t\tcreateStyleSheet( '.reveal section>img, .reveal section>video, .reveal section>iframe{max-width: '+ slideWidth +'px; max-height:'+ slideHeight +'px}' );\n\n\t\tdocument.documentElement.classList.add( 'print-pdf' );\n\t\tdocument.body.style.width = pageWidth + 'px';\n\t\tdocument.body.style.height = pageHeight + 'px';\n\n\t\tconst viewportElement = document.querySelector( '.reveal-viewport' );\n\t\tlet presentationBackground;\n\t\tif( viewportElement ) {\n\t\t\tconst viewportStyles = window.getComputedStyle( viewportElement );\n\t\t\tif( viewportStyles && viewportStyles.background ) {\n\t\t\t\tpresentationBackground = viewportStyles.background;\n\t\t\t}\n\t\t}\n\n\t\t// Make sure stretch elements fit on slide\n\t\tawait new Promise( requestAnimationFrame );\n\t\tthis.Reveal.layoutSlideContents( slideWidth, slideHeight );\n\n\t\t// Batch scrollHeight access to prevent layout thrashing\n\t\tawait new Promise( requestAnimationFrame );\n\n\t\tconst slideScrollHeights = slides.map( slide => slide.scrollHeight );\n\n\t\tconst pages = [];\n\t\tconst pageContainer = slides[0].parentNode;\n\n\t\t// Slide and slide background layout\n\t\tslides.forEach( function( slide, index ) {\n\n\t\t\t// Vertical stacks are not centred since their section\n\t\t\t// children will be\n\t\t\tif( slide.classList.contains( 'stack' ) === false ) {\n\t\t\t\t// Center the slide inside of the page, giving the slide some margin\n\t\t\t\tlet left = ( pageWidth - slideWidth ) / 2;\n\t\t\t\tlet top = ( pageHeight - slideHeight ) / 2;\n\n\t\t\t\tconst contentHeight = slideScrollHeights[ index ];\n\t\t\t\tlet numberOfPages = Math.max( Math.ceil( contentHeight / pageHeight ), 1 );\n\n\t\t\t\t// Adhere to configured pages per slide limit\n\t\t\t\tnumberOfPages = Math.min( numberOfPages, config.pdfMaxPagesPerSlide );\n\n\t\t\t\t// Center slides vertically\n\t\t\t\tif( numberOfPages === 1 && config.center || slide.classList.contains( 'center' ) ) {\n\t\t\t\t\ttop = Math.max( ( pageHeight - contentHeight ) / 2, 0 );\n\t\t\t\t}\n\n\t\t\t\t// Wrap the slide in a page element and hide its overflow\n\t\t\t\t// so that no page ever flows onto another\n\t\t\t\tconst page = document.createElement( 'div' );\n\t\t\t\tpages.push( page );\n\n\t\t\t\tpage.className = 'pdf-page';\n\t\t\t\tpage.style.height = ( ( pageHeight + config.pdfPageHeightOffset ) * numberOfPages ) + 'px';\n\n\t\t\t\t// Copy the presentation-wide background to each individual\n\t\t\t\t// page when printing\n\t\t\t\tif( presentationBackground ) {\n\t\t\t\t\tpage.style.background = presentationBackground;\n\t\t\t\t}\n\n\t\t\t\tpage.appendChild( slide );\n\n\t\t\t\t// Position the slide inside of the page\n\t\t\t\tslide.style.left = left + 'px';\n\t\t\t\tslide.style.top = top + 'px';\n\t\t\t\tslide.style.width = slideWidth + 'px';\n\n\t\t\t\t// Re-run the slide layout so that r-fit-text is applied based on\n\t\t\t\t// the printed slide size\n\t\t\t\tthis.Reveal.slideContent.layout( slide )\n\n\t\t\t\tif( slide.slideBackgroundElement ) {\n\t\t\t\t\tpage.insertBefore( slide.slideBackgroundElement, slide );\n\t\t\t\t}\n\n\t\t\t\t// Inject notes if `showNotes` is enabled\n\t\t\t\tif( config.showNotes ) {\n\n\t\t\t\t\t// Are there notes for this slide?\n\t\t\t\t\tconst notes = this.Reveal.getSlideNotes( slide );\n\t\t\t\t\tif( notes ) {\n\n\t\t\t\t\t\tconst notesSpacing = 8;\n\t\t\t\t\t\tconst notesLayout = typeof config.showNotes === 'string' ? config.showNotes : 'inline';\n\t\t\t\t\t\tconst notesElement = document.createElement( 'div' );\n\t\t\t\t\t\tnotesElement.classList.add( 'speaker-notes' );\n\t\t\t\t\t\tnotesElement.classList.add( 'speaker-notes-pdf' );\n\t\t\t\t\t\tnotesElement.setAttribute( 'data-layout', notesLayout );\n\t\t\t\t\t\tnotesElement.innerHTML = notes;\n\n\t\t\t\t\t\tif( notesLayout === 'separate-page' ) {\n\t\t\t\t\t\t\tpages.push( notesElement );\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tnotesElement.style.left = notesSpacing + 'px';\n\t\t\t\t\t\t\tnotesElement.style.bottom = notesSpacing + 'px';\n\t\t\t\t\t\t\tnotesElement.style.width = ( pageWidth - notesSpacing*2 ) + 'px';\n\t\t\t\t\t\t\tpage.appendChild( notesElement );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t}\n\n\t\t\t\t}\n\n\t\t\t\t// Inject slide numbers if `slideNumbers` are enabled\n\t\t\t\tif( doingSlideNumbers ) {\n\t\t\t\t\tconst slideNumber = index + 1;\n\t\t\t\t\tconst numberElement = document.createElement( 'div' );\n\t\t\t\t\tnumberElement.classList.add( 'slide-number' );\n\t\t\t\t\tnumberElement.classList.add( 'slide-number-pdf' );\n\t\t\t\t\tnumberElement.innerHTML = slideNumber;\n\t\t\t\t\tpage.appendChild( numberElement );\n\t\t\t\t}\n\n\t\t\t\t// Copy page and show fragments one after another\n\t\t\t\tif( config.pdfSeparateFragments ) {\n\n\t\t\t\t\t// Each fragment 'group' is an array containing one or more\n\t\t\t\t\t// fragments. Multiple fragments that appear at the same time\n\t\t\t\t\t// are part of the same group.\n\t\t\t\t\tconst fragmentGroups = this.Reveal.fragments.sort( page.querySelectorAll( '.fragment' ), true );\n\n\t\t\t\t\tlet previousFragmentStep;\n\n\t\t\t\t\tfragmentGroups.forEach( function( fragments ) {\n\n\t\t\t\t\t\t// Remove 'current-fragment' from the previous group\n\t\t\t\t\t\tif( previousFragmentStep ) {\n\t\t\t\t\t\t\tpreviousFragmentStep.forEach( function( fragment ) {\n\t\t\t\t\t\t\t\tfragment.classList.remove( 'current-fragment' );\n\t\t\t\t\t\t\t} );\n\t\t\t\t\t\t}\n\n\t\t\t\t\t\t// Show the fragments for the current index\n\t\t\t\t\t\tfragments.forEach( function( fragment ) {\n\t\t\t\t\t\t\tfragment.classList.add( 'visible', 'current-fragment' );\n\t\t\t\t\t\t}, this );\n\n\t\t\t\t\t\t// Create a separate page for the current fragment state\n\t\t\t\t\t\tconst clonedPage = page.cloneNode( true );\n\t\t\t\t\t\tpages.push( clonedPage );\n\n\t\t\t\t\t\tpreviousFragmentStep = fragments;\n\n\t\t\t\t\t}, this );\n\n\t\t\t\t\t// Reset the first/original page so that all fragments are hidden\n\t\t\t\t\tfragmentGroups.forEach( function( fragments ) {\n\t\t\t\t\t\tfragments.forEach( function( fragment ) {\n\t\t\t\t\t\t\tfragment.classList.remove( 'visible', 'current-fragment' );\n\t\t\t\t\t\t} );\n\t\t\t\t\t} );\n\n\t\t\t\t}\n\t\t\t\t// Show all fragments\n\t\t\t\telse {\n\t\t\t\t\tqueryAll( page, '.fragment:not(.fade-out)' ).forEach( function( fragment ) {\n\t\t\t\t\t\tfragment.classList.add( 'visible' );\n\t\t\t\t\t} );\n\t\t\t\t}\n\n\t\t\t}\n\n\t\t}, this );\n\n\t\tawait new Promise( requestAnimationFrame );\n\n\t\tpages.forEach( page => pageContainer.appendChild( page ) );\n\n\t\t// Notify subscribers that the PDF layout is good to go\n\t\tthis.Reveal.dispatchEvent({ type: 'pdf-ready' });\n\n\t}\n\n\t/**\n\t * Checks if this instance is being used to print a PDF.\n\t */\n\tisPrintingPDF() {\n\n\t\treturn ( /print-pdf/gi ).test( window.location.search );\n\n\t}\n\n}\n","import { isAndroid } from '../utils/device.js'\nimport { matches } from '../utils/util.js'\n\nconst SWIPE_THRESHOLD = 40;\n\n/**\n * Controls all touch interactions and navigations for\n * a presentation.\n */\nexport default class Touch {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\t// Holds information about the currently ongoing touch interaction\n\t\tthis.touchStartX = 0;\n\t\tthis.touchStartY = 0;\n\t\tthis.touchStartCount = 0;\n\t\tthis.touchCaptured = false;\n\n\t\tthis.onPointerDown = this.onPointerDown.bind( this );\n\t\tthis.onPointerMove = this.onPointerMove.bind( this );\n\t\tthis.onPointerUp = this.onPointerUp.bind( this );\n\t\tthis.onTouchStart = this.onTouchStart.bind( this );\n\t\tthis.onTouchMove = this.onTouchMove.bind( this );\n\t\tthis.onTouchEnd = this.onTouchEnd.bind( this );\n\n\t}\n\n\t/**\n\t *\n\t */\n\tbind() {\n\n\t\tlet revealElement = this.Reveal.getRevealElement();\n\n\t\tif( 'onpointerdown' in window ) {\n\t\t\t// Use W3C pointer events\n\t\t\trevealElement.addEventListener( 'pointerdown', this.onPointerDown, false );\n\t\t\trevealElement.addEventListener( 'pointermove', this.onPointerMove, false );\n\t\t\trevealElement.addEventListener( 'pointerup', this.onPointerUp, false );\n\t\t}\n\t\telse if( window.navigator.msPointerEnabled ) {\n\t\t\t// IE 10 uses prefixed version of pointer events\n\t\t\trevealElement.addEventListener( 'MSPointerDown', this.onPointerDown, false );\n\t\t\trevealElement.addEventListener( 'MSPointerMove', this.onPointerMove, false );\n\t\t\trevealElement.addEventListener( 'MSPointerUp', this.onPointerUp, false );\n\t\t}\n\t\telse {\n\t\t\t// Fall back to touch events\n\t\t\trevealElement.addEventListener( 'touchstart', this.onTouchStart, false );\n\t\t\trevealElement.addEventListener( 'touchmove', this.onTouchMove, false );\n\t\t\trevealElement.addEventListener( 'touchend', this.onTouchEnd, false );\n\t\t}\n\n\t}\n\n\t/**\n\t *\n\t */\n\tunbind() {\n\n\t\tlet revealElement = this.Reveal.getRevealElement();\n\n\t\trevealElement.removeEventListener( 'pointerdown', this.onPointerDown, false );\n\t\trevealElement.removeEventListener( 'pointermove', this.onPointerMove, false );\n\t\trevealElement.removeEventListener( 'pointerup', this.onPointerUp, false );\n\n\t\trevealElement.removeEventListener( 'MSPointerDown', this.onPointerDown, false );\n\t\trevealElement.removeEventListener( 'MSPointerMove', this.onPointerMove, false );\n\t\trevealElement.removeEventListener( 'MSPointerUp', this.onPointerUp, false );\n\n\t\trevealElement.removeEventListener( 'touchstart', this.onTouchStart, false );\n\t\trevealElement.removeEventListener( 'touchmove', this.onTouchMove, false );\n\t\trevealElement.removeEventListener( 'touchend', this.onTouchEnd, false );\n\n\t}\n\n\t/**\n\t * Checks if the target element prevents the triggering of\n\t * swipe navigation.\n\t */\n\tisSwipePrevented( target ) {\n\n\t\t// Prevent accidental swipes when scrubbing timelines\n\t\tif( matches( target, 'video, audio' ) ) return true;\n\n\t\twhile( target && typeof target.hasAttribute === 'function' ) {\n\t\t\tif( target.hasAttribute( 'data-prevent-swipe' ) ) return true;\n\t\t\ttarget = target.parentNode;\n\t\t}\n\n\t\treturn false;\n\n\t}\n\n\t/**\n\t * Handler for the 'touchstart' event, enables support for\n\t * swipe and pinch gestures.\n\t *\n\t * @param {object} event\n\t */\n\tonTouchStart( event ) {\n\n\t\tif( this.isSwipePrevented( event.target ) ) return true;\n\n\t\tthis.touchStartX = event.touches[0].clientX;\n\t\tthis.touchStartY = event.touches[0].clientY;\n\t\tthis.touchStartCount = event.touches.length;\n\n\t}\n\n\t/**\n\t * Handler for the 'touchmove' event.\n\t *\n\t * @param {object} event\n\t */\n\tonTouchMove( event ) {\n\n\t\tif( this.isSwipePrevented( event.target ) ) return true;\n\n\t\tlet config = this.Reveal.getConfig();\n\n\t\t// Each touch should only trigger one action\n\t\tif( !this.touchCaptured ) {\n\t\t\tthis.Reveal.onUserInput( event );\n\n\t\t\tlet currentX = event.touches[0].clientX;\n\t\t\tlet currentY = event.touches[0].clientY;\n\n\t\t\t// There was only one touch point, look for a swipe\n\t\t\tif( event.touches.length === 1 && this.touchStartCount !== 2 ) {\n\n\t\t\t\tlet availableRoutes = this.Reveal.availableRoutes({ includeFragments: true });\n\n\t\t\t\tlet deltaX = currentX - this.touchStartX,\n\t\t\t\t\tdeltaY = currentY - this.touchStartY;\n\n\t\t\t\tif( deltaX > SWIPE_THRESHOLD && Math.abs( deltaX ) > Math.abs( deltaY ) ) {\n\t\t\t\t\tthis.touchCaptured = true;\n\t\t\t\t\tif( config.navigationMode === 'linear' ) {\n\t\t\t\t\t\tif( config.rtl ) {\n\t\t\t\t\t\t\tthis.Reveal.next();\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tthis.Reveal.prev();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.Reveal.left();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse if( deltaX < -SWIPE_THRESHOLD && Math.abs( deltaX ) > Math.abs( deltaY ) ) {\n\t\t\t\t\tthis.touchCaptured = true;\n\t\t\t\t\tif( config.navigationMode === 'linear' ) {\n\t\t\t\t\t\tif( config.rtl ) {\n\t\t\t\t\t\t\tthis.Reveal.prev();\n\t\t\t\t\t\t}\n\t\t\t\t\t\telse {\n\t\t\t\t\t\t\tthis.Reveal.next();\n\t\t\t\t\t\t}\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.Reveal.right();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse if( deltaY > SWIPE_THRESHOLD && availableRoutes.up ) {\n\t\t\t\t\tthis.touchCaptured = true;\n\t\t\t\t\tif( config.navigationMode === 'linear' ) {\n\t\t\t\t\t\tthis.Reveal.prev();\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.Reveal.up();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\telse if( deltaY < -SWIPE_THRESHOLD && availableRoutes.down ) {\n\t\t\t\t\tthis.touchCaptured = true;\n\t\t\t\t\tif( config.navigationMode === 'linear' ) {\n\t\t\t\t\t\tthis.Reveal.next();\n\t\t\t\t\t}\n\t\t\t\t\telse {\n\t\t\t\t\t\tthis.Reveal.down();\n\t\t\t\t\t}\n\t\t\t\t}\n\n\t\t\t\t// If we're embedded, only block touch events if they have\n\t\t\t\t// triggered an action\n\t\t\t\tif( config.embedded ) {\n\t\t\t\t\tif( this.touchCaptured || this.Reveal.isVerticalSlide() ) {\n\t\t\t\t\t\tevent.preventDefault();\n\t\t\t\t\t}\n\t\t\t\t}\n\t\t\t\t// Not embedded? Block them all to avoid needless tossing\n\t\t\t\t// around of the viewport in iOS\n\t\t\t\telse {\n\t\t\t\t\tevent.preventDefault();\n\t\t\t\t}\n\n\t\t\t}\n\t\t}\n\t\t// There's a bug with swiping on some Android devices unless\n\t\t// the default action is always prevented\n\t\telse if( isAndroid ) {\n\t\t\tevent.preventDefault();\n\t\t}\n\n\t}\n\n\t/**\n\t * Handler for the 'touchend' event.\n\t *\n\t * @param {object} event\n\t */\n\tonTouchEnd( event ) {\n\n\t\tthis.touchCaptured = false;\n\n\t}\n\n\t/**\n\t * Convert pointer down to touch start.\n\t *\n\t * @param {object} event\n\t */\n\tonPointerDown( event ) {\n\n\t\tif( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === \"touch\" ) {\n\t\t\tevent.touches = [{ clientX: event.clientX, clientY: event.clientY }];\n\t\t\tthis.onTouchStart( event );\n\t\t}\n\n\t}\n\n\t/**\n\t * Convert pointer move to touch move.\n\t *\n\t * @param {object} event\n\t */\n\tonPointerMove( event ) {\n\n\t\tif( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === \"touch\" ) {\n\t\t\tevent.touches = [{ clientX: event.clientX, clientY: event.clientY }];\n\t\t\tthis.onTouchMove( event );\n\t\t}\n\n\t}\n\n\t/**\n\t * Convert pointer up to touch end.\n\t *\n\t * @param {object} event\n\t */\n\tonPointerUp( event ) {\n\n\t\tif( event.pointerType === event.MSPOINTER_TYPE_TOUCH || event.pointerType === \"touch\" ) {\n\t\t\tevent.touches = [{ clientX: event.clientX, clientY: event.clientY }];\n\t\t\tthis.onTouchEnd( event );\n\t\t}\n\n\t}\n\n}","import { closest } from '../utils/util.js'\n\n/**\n * Manages focus when a presentation is embedded. This\n * helps us only capture keyboard from the presentation\n * a user is currently interacting with in a page where\n * multiple presentations are embedded.\n */\n\nconst STATE_FOCUS = 'focus';\nconst STATE_BLUR = 'blur';\n\nexport default class Focus {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t\tthis.onRevealPointerDown = this.onRevealPointerDown.bind( this );\n\t\tthis.onDocumentPointerDown = this.onDocumentPointerDown.bind( this );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.embedded ) {\n\t\t\tthis.blur();\n\t\t}\n\t\telse {\n\t\t\tthis.focus();\n\t\t\tthis.unbind();\n\t\t}\n\n\t}\n\n\tbind() {\n\n\t\tif( this.Reveal.getConfig().embedded ) {\n\t\t\tthis.Reveal.getRevealElement().addEventListener( 'pointerdown', this.onRevealPointerDown, false );\n\t\t}\n\n\t}\n\n\tunbind() {\n\n\t\tthis.Reveal.getRevealElement().removeEventListener( 'pointerdown', this.onRevealPointerDown, false );\n\t\tdocument.removeEventListener( 'pointerdown', this.onDocumentPointerDown, false );\n\n\t}\n\n\tfocus() {\n\n\t\tif( this.state !== STATE_FOCUS ) {\n\t\t\tthis.Reveal.getRevealElement().classList.add( 'focused' );\n\t\t\tdocument.addEventListener( 'pointerdown', this.onDocumentPointerDown, false );\n\t\t}\n\n\t\tthis.state = STATE_FOCUS;\n\n\t}\n\n\tblur() {\n\n\t\tif( this.state !== STATE_BLUR ) {\n\t\t\tthis.Reveal.getRevealElement().classList.remove( 'focused' );\n\t\t\tdocument.removeEventListener( 'pointerdown', this.onDocumentPointerDown, false );\n\t\t}\n\n\t\tthis.state = STATE_BLUR;\n\n\t}\n\n\tisFocused() {\n\n\t\treturn this.state === STATE_FOCUS;\n\n\t}\n\n\tdestroy() {\n\n\t\tthis.Reveal.getRevealElement().classList.remove( 'focused' );\n\n\t}\n\n\tonRevealPointerDown( event ) {\n\n\t\tthis.focus();\n\n\t}\n\n\tonDocumentPointerDown( event ) {\n\n\t\tlet revealElement = closest( event.target, '.reveal' );\n\t\tif( !revealElement || revealElement !== this.Reveal.getRevealElement() ) {\n\t\t\tthis.blur();\n\t\t}\n\n\t}\n\n}","/**\n * Handles the showing and \n */\nexport default class Notes {\n\n\tconstructor( Reveal ) {\n\n\t\tthis.Reveal = Reveal;\n\n\t}\n\n\trender() {\n\n\t\tthis.element = document.createElement( 'div' );\n\t\tthis.element.className = 'speaker-notes';\n\t\tthis.element.setAttribute( 'data-prevent-swipe', '' );\n\t\tthis.element.setAttribute( 'tabindex', '0' );\n\t\tthis.Reveal.getRevealElement().appendChild( this.element );\n\n\t}\n\n\t/**\n\t * Called when the reveal.js config is updated.\n\t */\n\tconfigure( config, oldConfig ) {\n\n\t\tif( config.showNotes ) {\n\t\t\tthis.element.setAttribute( 'data-layout', typeof config.showNotes === 'string' ? config.showNotes : 'inline' );\n\t\t}\n\n\t}\n\n\t/**\n\t * Pick up notes from the current slide and display them\n\t * to the viewer.\n\t *\n\t * @see {@link config.showNotes}\n\t */\n\tupdate() {\n\n\t\tif( this.Reveal.getConfig().showNotes && this.element && this.Reveal.getCurrentSlide() && !this.Reveal.print.isPrintingPDF() ) {\n\n\t\t\tthis.element.innerHTML = this.getSlideNotes() || 'No notes on this slide.';\n\n\t\t}\n\n\t}\n\n\t/**\n\t * Updates the visibility of the speaker notes sidebar that\n\t * is used to share annotated slides. The notes sidebar is\n\t * only visible if showNotes is true and there are notes on\n\t * one or more slides in the deck.\n\t */\n\tupdateVisibility() {\n\n\t\tif( this.Reveal.getConfig().showNotes && this.hasNotes() && !this.Reveal.print.isPrintingPDF() ) {\n\t\t\tthis.Reveal.getRevealElement().classList.add( 'show-notes' );\n\t\t}\n\t\telse {\n\t\t\tthis.Reveal.getRevealElement().classList.remove( 'show-notes' );\n\t\t}\n\n\t}\n\n\t/**\n\t * Checks if there are speaker notes for ANY slide in the\n\t * presentation.\n\t */\n\thasNotes() {\n\n\t\treturn this.Reveal.getSlidesElement().querySelectorAll( '[data-notes], aside.notes' ).length > 0;\n\n\t}\n\n\t/**\n\t * Checks if this presentation is running inside of the\n\t * speaker notes window.\n\t *\n\t * @return {boolean}\n\t */\n\tisSpeakerNotesWindow() {\n\n\t\treturn !!window.location.search.match( /receiver/gi );\n\n\t}\n\n\t/**\n\t * Retrieves the speaker notes from a slide. Notes can be\n\t * defined in two ways:\n\t * 1. As a data-notes attribute on the slide
\n\t * 2. As an