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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
chrome.runtime.onStartup.addListener(
function() {
chrome.alarms.create('hangout_services_fxpre', {'delayInMinutes': 2});
});
chrome.alarms.onAlarm.addListener(function(alarm) {
if (!alarm || alarm.name != 'hangout_services_fxpre')
return;
var e = document.createElement('iframe');
e.src = 'https://plus.google.com/hangouts/_/fxpre';
document.body.appendChild(e);
});
chrome.runtime.onMessageExternal.addListener(
function(message, sender, sendResponse) {
function doSendResponse(value, error) {
var errorMessage = error || chrome.extension.lastError;
sendResponse({'value': value, 'error': errorMessage});
}
function getHost(url) {
if (!url)
return '';
// Use the DOM to parse the URL. Since we don't add the anchor to
// the page, this is the only reference to it and it will be
// deleted once it's gone out of scope.
var a = document.createElement('a');
a.href = url;
var origin = a.protocol + '//' + a.hostname;
if (a.port != '')
origin = origin + ':' + a.port;
origin = origin + '/';
return origin;
}
try {
var method = message['method'];
var origin = getHost(sender.url);
if (method == 'chooseDesktopMedia') {
var cancelId;
function sendResponseWithCancelId(streamId) {
var value = {'cancelId': cancelId,
'streamId': streamId};
doSendResponse(value);
}
cancelId = chrome.desktopCapture.chooseDesktopMedia(
['screen', 'window'], sender.tab, sendResponseWithCancelId);
return true;
} else if (method == 'cancelChooseDesktopMedia') {
var cancelId = message['cancelId'];
chrome.desktopCapture.cancelChooseDesktopMedia(cancelId);
doSendResponse();
return false;
} else if (method == 'cpu.getInfo') {
chrome.system.cpu.getInfo(doSendResponse);
return true;
} else if (method == 'logging.setMetadata') {
var metaData = message['metaData'];
chrome.webrtcLoggingPrivate.setMetaData(
sender.tab.id, origin, metaData, doSendResponse);
return true;
} else if (method == 'logging.start') {
chrome.webrtcLoggingPrivate.start(sender.tab.id, origin, doSendResponse);
return true;
} else if (method == 'logging.uploadOnRenderClose') {
chrome.webrtcLoggingPrivate.setUploadOnRenderClose(
sender.tab.id, origin, true);
doSendResponse();
return false;
} else if (method == 'logging.noUploadOnRenderClose') {
chrome.webrtcLoggingPrivate.setUploadOnRenderClose(
sender.tab.id, origin, false);
doSendResponse();
return false;
} else if (method == 'logging.stop') {
chrome.webrtcLoggingPrivate.stop(sender.tab.id, origin, doSendResponse);
return true;
} else if (method == 'logging.upload') {
chrome.webrtcLoggingPrivate.upload(sender.tab.id, origin, doSendResponse);
return true;
} else if (method == 'logging.stopAndUpload') {
chrome.webrtcLoggingPrivate.stop(
sender.tab.id, origin, function() {
chrome.webrtcLoggingPrivate.upload(
sender.tab.id, origin, doSendResponse);
});
return true;
} else if (method == 'logging.discard') {
chrome.webrtcLoggingPrivate.discard(
sender.tab.id, origin, doSendResponse);
return true;
} else if (method == 'getSinks') {
chrome.webrtcAudioPrivate.getSinks(doSendResponse);
return true;
} else if (method == 'getActiveSink') {
chrome.webrtcAudioPrivate.getActiveSink(sender.tab.id, doSendResponse);
return true;
} else if (method == 'setActiveSink') {
var sinkId = message['sinkId'];
chrome.webrtcAudioPrivate.setActiveSink(
sender.tab.id, sinkId, doSendResponse);
return true;
} else if (method == 'getAssociatedSink') {
var sourceId = message['sourceId'];
chrome.webrtcAudioPrivate.getAssociatedSink(
origin, sourceId, doSendResponse);
return true;
} else if (method == 'isExtensionEnabled') {
// This method is necessary because there may be more than one
// version of this extension, under different extension IDs. By
// first calling this method on the extension ID, the client can
// check if it's loaded; if it's not, the extension system will
// call the callback with no arguments and set
// chrome.runtime.lastError.
doSendResponse();
return false;
}
throw new Error('Unknown method: ' + method);
} catch (e) {
doSendResponse(null, e.name + ': ' + e.message);
}
});
// If Hangouts connects with a port named 'onSinksChangedListener', we
// will register a listener and send it a message {'eventName':
// 'onSinksChanged'} whenever the event fires.
chrome.runtime.onConnectExternal.addListener(
function(port) {
if (port.name == 'onSinksChangedListener') {
function clientListener() {
port.postMessage({'eventName': 'onSinksChanged'});
}
chrome.webrtcAudioPrivate.onSinksChanged.addListener(clientListener);
port.onDisconnect(function() {
chrome.webrtcAudioPrivate.onSinksChanged.removeListener(
clientListener);
});
}
});
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