gecko/browser/modules/webrtcUI.jsm

124 lines
4.1 KiB
JavaScript

/* 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";
let EXPORTED_SYMBOLS = ["webrtcUI"];
const Cu = Components.utils;
const Ci = Components.interfaces;
Cu.import("resource://gre/modules/Services.jsm");
let webrtcUI = {
init: function () {
Services.obs.addObserver(handleRequest, "getUserMedia:request", false);
},
uninit: function () {
Services.obs.removeObserver(handleRequest, "getUserMedia:request");
}
}
function handleRequest(aSubject, aTopic, aData) {
let {windowID: windowID, callID: callID} = JSON.parse(aData);
let someWindow = Services.wm.getMostRecentWindow(null);
let contentWindow = someWindow.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindowUtils)
.getOuterWindowWithId(windowID);
let browser = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShell)
.chromeEventHandler;
let params = aSubject.QueryInterface(Ci.nsIMediaStreamOptions);
browser.ownerDocument.defaultView.navigator.mozGetUserMediaDevices(
function (devices) {
prompt(browser, callID, params.audio, params.video, devices);
},
function (error) {
Cu.reportError(error);
}
);
}
function prompt(aBrowser, aCallID, aAudioRequested, aVideoRequested, aDevices) {
let audioDevices = [];
let videoDevices = [];
for (let device of aDevices) {
device = device.QueryInterface(Ci.nsIMediaDevice);
switch (device.type) {
case "audio":
if (aAudioRequested)
audioDevices.push(device);
break;
case "video":
if (aVideoRequested)
videoDevices.push(device);
break;
}
}
let requestType;
if (audioDevices.length && videoDevices.length)
requestType = "shareCameraAndMicrophone";
else if (audioDevices.length)
requestType = "shareMicrophone";
else if (videoDevices.length)
requestType = "shareCamera";
else
return;
let host = aBrowser.contentDocument.documentURIObject.asciiHost;
let chromeWin = aBrowser.ownerDocument.defaultView;
let stringBundle = chromeWin.gNavigatorBundle;
let message = stringBundle.getFormattedString("getUserMedia." + requestType + ".message",
[ host ]);
let responseSent = false;
let mainAction = {
label: stringBundle.getString("getUserMedia." + requestType + ".label"),
accessKey: stringBundle.getString("getUserMedia." + requestType + ".accesskey"),
callback: function () {
Services.obs.notifyObservers(null, "getUserMedia:response:allow", aCallID);
responseSent = true;
}
};
let secondaryActions = [];
let selectableDevices = videoDevices.length ? videoDevices : audioDevices;
if (selectableDevices.length > 1) {
let selectableDeviceNumber = 0;
for (let device of selectableDevices) {
selectableDeviceNumber++;
secondaryActions.push({
label: stringBundle.getFormattedString(
device.type == "audio" ?
"getUserMedia.shareSpecificMicrophone.label" :
"getUserMedia.shareSpecificCamera.label",
[ device.name ]),
accessKey: selectableDeviceNumber,
callback: function () {
Services.obs.notifyObservers(device, "getUserMedia:response:allow", aCallID);
responseSent = true;
}
});
}
}
let options = {
removeOnDismissal: true,
eventCallback: function (aType) {
if (!responseSent && aType == "removed")
Services.obs.notifyObservers(null, "getUserMedia:response:deny", aCallID);
}
};
chromeWin.PopupNotifications.show(aBrowser, "webRTC-shareDevices", message,
"webRTC-notification-icon", mainAction,
secondaryActions, options);
}