gecko-dev/toolkit/actors/AudioPlaybackParent.jsm

46 строки
1.4 KiB
JavaScript

/* vim: set ts=2 sw=2 sts=2 et tw=80: */
/* 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";
var EXPORTED_SYMBOLS = ["AudioPlaybackParent"];
class AudioPlaybackParent extends JSWindowActorParent {
constructor() {
super();
this._hasAudioPlayback = false;
this._hasBlockMedia = false;
}
receiveMessage(aMessage) {
const browser = this.browsingContext.top.embedderElement;
switch (aMessage.name) {
case "AudioPlayback:Start":
this._hasAudioPlayback = true;
browser.audioPlaybackStarted();
break;
case "AudioPlayback:Stop":
this._hasAudioPlayback = false;
browser.audioPlaybackStopped();
break;
case "AudioPlayback:ActiveMediaBlockStart":
this._hasBlockMedia = true;
browser.activeMediaBlockStarted();
break;
case "AudioPlayback:ActiveMediaBlockStop":
this._hasBlockMedia = false;
browser.activeMediaBlockStopped();
break;
}
}
didDestroy() {
const browser = this.browsingContext.top.embedderElement;
if (browser && this._hasAudioPlayback) {
browser.audioPlaybackStopped();
}
if (browser && this._hasBlockMedia) {
browser.activeMediaBlockStopped();
}
}
}