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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,
export class GeckoViewMediaControl extends GeckoViewModule {
onInit() {
debug`onInit`;
}
onInitBrowser() {
debug`onInitBrowser`;
const options = {
mozSystemGroup: true,
capture: false,
};
this.controller.addEventListener("activated", this, options);
this.controller.addEventListener("deactivated", this, options);
this.controller.addEventListener("supportedkeyschange", this, options);
this.controller.addEventListener("positionstatechange", this, options);
this.controller.addEventListener("metadatachange", this, options);
this.controller.addEventListener("playbackstatechange", this, options);
}
onDestroyBrowser() {
debug`onDestroyBrowser`;
this.controller.removeEventListener("activated", this);
this.controller.removeEventListener("deactivated", this);
this.controller.removeEventListener("supportedkeyschange", this);
this.controller.removeEventListener("positionstatechange", this);
this.controller.removeEventListener("metadatachange", this);
this.controller.removeEventListener("playbackstatechange", this);
}
onEnable() {
debug`onEnable`;
if (this.controller.isActive) {
this.handleActivated();
}
this.registerListener([
"GeckoView:MediaSession:Play",
"GeckoView:MediaSession:Pause",
"GeckoView:MediaSession:Stop",
"GeckoView:MediaSession:NextTrack",
"GeckoView:MediaSession:PrevTrack",
"GeckoView:MediaSession:SeekForward",
"GeckoView:MediaSession:SeekBackward",
"GeckoView:MediaSession:SkipAd",
"GeckoView:MediaSession:SeekTo",
"GeckoView:MediaSession:MuteAudio",
]);
}
onDisable() {
debug`onDisable`;
this.unregisterListener();
}
get controller() {
return this.browser.browsingContext.mediaController;
}
onEvent(aEvent, aData) {
debug`onEvent: event=${aEvent}, data=${aData}`;
switch (aEvent) {
case "GeckoView:MediaSession:Play":
this.controller.play();
break;
case "GeckoView:MediaSession:Pause":
this.controller.pause();
break;
case "GeckoView:MediaSession:Stop":
this.controller.stop();
break;
case "GeckoView:MediaSession:NextTrack":
this.controller.nextTrack();
break;
case "GeckoView:MediaSession:PrevTrack":
this.controller.prevTrack();
break;
case "GeckoView:MediaSession:SeekForward":
this.controller.seekForward();
break;
case "GeckoView:MediaSession:SeekBackward":
this.controller.seekBackward();
break;
case "GeckoView:MediaSession:SkipAd":
this.controller.skipAd();
break;
case "GeckoView:MediaSession:SeekTo":
this.controller.seekTo(aData.time, aData.fast);
break;
case "GeckoView:MediaSession:MuteAudio":
if (aData.mute) {
this.browser.mute();
} else {
this.browser.unmute();
}
break;
}
}
// eslint-disable-next-line complexity
handleEvent(aEvent) {
debug`handleEvent: ${aEvent.type}`;
switch (aEvent.type) {
case "activated":
this.handleActivated();
break;
case "deactivated":
this.handleDeactivated();
break;
case "supportedkeyschange":
this.handleSupportedKeysChanged();
break;
case "positionstatechange":
this.handlePositionStateChanged(aEvent);
break;
case "metadatachange":
this.handleMetadataChanged();
break;
case "playbackstatechange":
this.handlePlaybackStateChanged();
break;
default:
warn`Unknown event type ${aEvent.type}`;
break;
}
}
handleActivated() {
debug`handleActivated`;
this.eventDispatcher.sendRequest({
type: "GeckoView:MediaSession:Activated",
});
}
handleDeactivated() {
debug`handleDeactivated`;
this.eventDispatcher.sendRequest({
type: "GeckoView:MediaSession:Deactivated",
});
}
handlePositionStateChanged(aEvent) {
debug`handlePositionStateChanged`;
this.eventDispatcher.sendRequest({
type: "GeckoView:MediaSession:PositionState",
state: {
duration: aEvent.duration,
playbackRate: aEvent.playbackRate,
position: aEvent.position,
},
});
}
handleSupportedKeysChanged() {
const supported = this.controller.supportedKeys;
debug`handleSupportedKeysChanged ${supported}`;
// Mapping it to a key-value store for compatibility with the JNI
// implementation for now.
const features = new Map();
supported.forEach(key => {
features[key] = true;
});
this.eventDispatcher.sendRequest({
type: "GeckoView:MediaSession:Features",
features,
});
}
handleMetadataChanged() {
let metadata = null;
try {
metadata = this.controller.getMetadata();
} catch (e) {
warn`Metadata not available`;
}
debug`handleMetadataChanged ${metadata}`;
if (metadata) {
this.eventDispatcher.sendRequest({
type: "GeckoView:MediaSession:Metadata",
metadata,
});
}
}
handlePlaybackStateChanged() {
const state = this.controller.playbackState;
let type = null;
debug`handlePlaybackStateChanged ${state}`;
switch (state) {
case "none":
type = "GeckoView:MediaSession:Playback:None";
break;
case "paused":
type = "GeckoView:MediaSession:Playback:Paused";
break;
case "playing":
type = "GeckoView:MediaSession:Playback:Playing";
break;
}
if (!type) {
return;
}
this.eventDispatcher.sendRequest({
type,
});
}
}
const { debug, warn } = GeckoViewMediaControl.initLogging(
"GeckoViewMediaControl"
);