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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
class PictureInPictureVideoWrapper {
play(video) {
let playPauseButton = document.querySelector(
`[data-purpose="play-button"]`
);
if (video.paused) {
playPauseButton?.click();
}
}
pause(video) {
let playPauseButton = document.querySelector(
`[data-purpose="pause-button"]`
);
if (!video.paused) {
playPauseButton?.click();
}
}
setMuted(video, shouldMute) {
let muteButton = document.querySelector(
`[data-purpose="volume-control-button"]`
);
if (video.muted !== shouldMute && muteButton) {
muteButton.click();
}
}
setCaptionContainerObserver(video, updateCaptionsFunction) {
let container = video.parentElement;
if (container) {
updateCaptionsFunction("");
const callback = function (mutationsList, observer) {
let text = container.querySelector(
`[data-purpose="captions-cue-text"]`
)?.innerText;
if (!text) {
updateCaptionsFunction("");
return;
}
updateCaptionsFunction(text);
};
// immediately invoke the callback function to add subtitles to the PiP window
callback([1], null);
let captionsObserver = new MutationObserver(callback);
captionsObserver.observe(container, {
attributes: true,
childList: true,
subtree: true,
});
}
}
}
this.PictureInPictureVideoWrapper = PictureInPictureVideoWrapper;
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