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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";
var EXPORTED_SYMBOLS = ["GeckoViewMedia", "GeckoViewRecordingMedia"];
const { GeckoViewModule } = ChromeUtils.import(
"resource://gre/modules/GeckoViewModule.jsm"
);
const { GeckoViewUtils } = ChromeUtils.import(
"resource://gre/modules/GeckoViewUtils.jsm"
);
const { XPCOMUtils } = ChromeUtils.import(
"resource://gre/modules/XPCOMUtils.jsm"
);
XPCOMUtils.defineLazyModuleGetters(this, {
GeckoViewUtils: "resource://gre/modules/GeckoViewUtils.jsm",
});
XPCOMUtils.defineLazyServiceGetter(
this,
"MediaManagerService",
"@mozilla.org/mediaManagerService;1",
"nsIMediaManagerService"
);
const STATUS_RECORDING = "recording";
const STATUS_INACTIVE = "inactive";
const TYPE_CAMERA = "camera";
const TYPE_MICROPHONE = "microphone";
class GeckoViewMedia extends GeckoViewModule {
onEnable() {
this.registerListener([
"GeckoView:MediaObserve",
"GeckoView:MediaUnobserve",
"GeckoView:MediaPlay",
"GeckoView:MediaPause",
"GeckoView:MediaSeek",
"GeckoView:MediaSetVolume",
"GeckoView:MediaSetMuted",
"GeckoView:MediaSetPlaybackRate",
]);
}
onDisable() {
this.unregisterListener();
}
onEvent(aEvent, aData, aCallback) {
debug`onEvent: event=${aEvent}, data=${aData}`;
this.messageManager.sendAsyncMessage(aEvent, aData);
}
}
const GeckoViewRecordingMedia = {
// The event listener for this is hooked up in GeckoViewStartup.jsm
observe(aSubject, aTopic, aData) {
debug`observe: aTopic=${aTopic}`;
switch (aTopic) {
case "recording-device-events": {
this.handleRecordingDeviceEvents();
break;
}
}
},
handleRecordingDeviceEvents() {
const [dispatcher] = GeckoViewUtils.getActiveDispatcherAndWindow();
if (dispatcher) {
const windows = MediaManagerService.activeMediaCaptureWindows;
const devices = [];
const getStatusString = function(activityStatus) {
switch (activityStatus) {
case MediaManagerService.STATE_CAPTURE_ENABLED:
case MediaManagerService.STATE_CAPTURE_DISABLED:
return STATUS_RECORDING;
case MediaManagerService.STATE_NOCAPTURE:
return STATUS_INACTIVE;
default:
throw new Error("Unexpected activityStatus value");
}
};
for (let i = 0; i < windows.length; i++) {
const win = windows.queryElementAt(i, Ci.nsIDOMWindow);
const hasCamera = {};
const hasMicrophone = {};
const screen = {};
const window = {};
const browser = {};
const mediaDevices = {};
MediaManagerService.mediaCaptureWindowState(
win,
hasCamera,
hasMicrophone,
screen,
window,
browser,
mediaDevices
);
var cameraStatus = getStatusString(hasCamera.value);
var microphoneStatus = getStatusString(hasMicrophone.value);
if (hasCamera.value != MediaManagerService.STATE_NOCAPTURE) {
devices.push({
type: TYPE_CAMERA,
status: cameraStatus,
});
}
if (hasMicrophone.value != MediaManagerService.STATE_NOCAPTURE) {
devices.push({
type: TYPE_MICROPHONE,
status: microphoneStatus,
});
}
}
dispatcher.sendRequestForResult({
type: "GeckoView:MediaRecordingStatusChanged",
devices,
});
} else {
console.log("no dispatcher present");
}
},
};
const { debug, warn } = GeckoViewMedia.initLogging("GeckoViewMedia");
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