59 lines
1.8 KiB
JavaScript
59 lines
1.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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import { GeckoViewActorChild } from "resource://gre/modules/GeckoViewActorChild.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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MediaUtils: "resource://gre/modules/MediaUtils.sys.mjs",
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setTimeout: "resource://gre/modules/Timer.sys.mjs",
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});
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export class MediaControlDelegateChild extends GeckoViewActorChild {
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handleEvent(aEvent) {
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debug`handleEvent: ${aEvent.type}`;
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switch (aEvent.type) {
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case "MozDOMFullscreen:Entered":
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case "MozDOMFullscreen:Exited":
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this.handleFullscreenChanged(true);
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break;
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}
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}
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async handleFullscreenChanged(retry) {
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debug`handleFullscreenChanged`;
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const element = this.document.fullscreenElement;
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const mediaElement = lazy.MediaUtils.findMediaElement(element);
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if (element && !mediaElement) {
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// Non-media element fullscreen.
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debug`No fullscreen media element found.`;
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}
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const activated = await this.eventDispatcher.sendRequestForResult({
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type: "GeckoView:MediaSession:Fullscreen",
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metadata: lazy.MediaUtils.getMetadata(mediaElement) ?? {},
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enabled: !!element,
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});
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if (activated) {
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return;
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}
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if (retry && element) {
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// When media session is going to active, we have a race condition of
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// full screen event because media session will be activated by full
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// screen event.
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// So we retry to call media session delegate for this situation.
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lazy.setTimeout(() => {
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this.handleFullscreenChanged(false);
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}, 100);
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}
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}
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}
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const { debug } = MediaControlDelegateChild.initLogging(
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"MediaControlDelegateChild"
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);
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