зеркало из https://github.com/mozilla/gecko-dev.git
41 строка
1.2 KiB
HTML
41 строка
1.2 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test frame for triggering media session's action handler</title>
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<script src="MediaSessionTestUtils.js"></script>
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</head>
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<body>
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<video id="testVideo" src="gizmo.mp4" loop></video>
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<script>
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const video = document.getElementById("testVideo");
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const w = window.opener || window.parent;
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window.onmessage = async event => {
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if (event.data == "play") {
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await video.play();
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// As we can't observe `media-displayed-playback-changed` notification,
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// that can only be observed in the chrome process. Therefore, we use a
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// workaround instead which is to wait for a while to ensure that the
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// controller has already been created in the chrome process.
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let timeupdatecount = 0;
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await new Promise(r => video.ontimeupdate = () => {
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if (++timeupdatecount == 3) {
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video.ontimeupdate = null;
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r();
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}
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});
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w.postMessage("played", "*");
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}
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}
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// Setup the action handlers which would post the result back to the main window.
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for (const action of gMediaSessionActions) {
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navigator.mediaSession.setActionHandler(action, () => {
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w.postMessage(action, "*");
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});
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}
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</script>
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</body>
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</html>
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