1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 chrome.runtime.onStartup.addListener( 6 function() { 7 chrome.alarms.create('hangout_services_fxpre', {'delayInMinutes': 2}); 8 }); 9 10 chrome.alarms.onAlarm.addListener(function(alarm) { 11 if (!alarm || alarm.name != 'hangout_services_fxpre') 12 return; 13 14 var e = document.createElement('iframe'); 15 e.src = 'https://plus.google.com/hangouts/_/fxpre'; 16 document.body.appendChild(e); 17 }); 18 19 chrome.runtime.onMessageExternal.addListener( 20 function(message, sender, sendResponse) { 21 function doSendResponse(value, error) { 22 var errorMessage = error || chrome.extension.lastError; 23 sendResponse({'value': value, 'error': errorMessage}); 24 } 25 26 function getHost(url) { 27 if (!url) 28 return ''; 29 // Use the DOM to parse the URL. Since we don't add the anchor to 30 // the page, this is the only reference to it and it will be 31 // deleted once it's gone out of scope. 32 var a = document.createElement('a'); 33 a.href = url; 34 var origin = a.protocol + '//' + a.hostname; 35 if (a.port != '') 36 origin = origin + ':' + a.port; 37 origin = origin + '/'; 38 return origin; 39 } 40 41 try { 42 var method = message['method']; 43 var origin = getHost(sender.url); 44 if (method == 'chooseDesktopMedia') { 45 var cancelId; 46 function sendResponseWithCancelId(streamId) { 47 var value = {'cancelId': cancelId, 48 'streamId': streamId}; 49 doSendResponse(value); 50 } 51 cancelId = chrome.desktopCapture.chooseDesktopMedia( 52 ['screen', 'window'], sender.tab, sendResponseWithCancelId); 53 return true; 54 } else if (method == 'cancelChooseDesktopMedia') { 55 var cancelId = message['cancelId']; 56 chrome.desktopCapture.cancelChooseDesktopMedia(cancelId); 57 doSendResponse(); 58 return false; 59 } else if (method == 'cpu.getInfo') { 60 chrome.system.cpu.getInfo(doSendResponse); 61 return true; 62 } else if (method == 'logging.setMetadata') { 63 var metaData = message['metaData']; 64 chrome.webrtcLoggingPrivate.setMetaData( 65 sender.tab.id, origin, metaData, doSendResponse); 66 return true; 67 } else if (method == 'logging.start') { 68 chrome.webrtcLoggingPrivate.start(sender.tab.id, origin, doSendResponse); 69 return true; 70 } else if (method == 'logging.uploadOnRenderClose') { 71 chrome.webrtcLoggingPrivate.setUploadOnRenderClose( 72 sender.tab.id, origin, true); 73 doSendResponse(); 74 return false; 75 } else if (method == 'logging.noUploadOnRenderClose') { 76 chrome.webrtcLoggingPrivate.setUploadOnRenderClose( 77 sender.tab.id, origin, false); 78 doSendResponse(); 79 return false; 80 } else if (method == 'logging.stop') { 81 chrome.webrtcLoggingPrivate.stop(sender.tab.id, origin, doSendResponse); 82 return true; 83 } else if (method == 'logging.upload') { 84 chrome.webrtcLoggingPrivate.upload(sender.tab.id, origin, doSendResponse); 85 return true; 86 } else if (method == 'logging.stopAndUpload') { 87 chrome.webrtcLoggingPrivate.stop( 88 sender.tab.id, origin, function() { 89 chrome.webrtcLoggingPrivate.upload( 90 sender.tab.id, origin, doSendResponse); 91 }); 92 return true; 93 } else if (method == 'logging.discard') { 94 chrome.webrtcLoggingPrivate.discard( 95 sender.tab.id, origin, doSendResponse); 96 return true; 97 } else if (method == 'getSinks') { 98 chrome.webrtcAudioPrivate.getSinks(doSendResponse); 99 return true; 100 } else if (method == 'getActiveSink') { 101 chrome.webrtcAudioPrivate.getActiveSink(sender.tab.id, doSendResponse); 102 return true; 103 } else if (method == 'setActiveSink') { 104 var sinkId = message['sinkId']; 105 chrome.webrtcAudioPrivate.setActiveSink( 106 sender.tab.id, sinkId, doSendResponse); 107 return true; 108 } else if (method == 'getAssociatedSink') { 109 var sourceId = message['sourceId']; 110 chrome.webrtcAudioPrivate.getAssociatedSink( 111 origin, sourceId, doSendResponse); 112 return true; 113 } else if (method == 'isExtensionEnabled') { 114 // This method is necessary because there may be more than one 115 // version of this extension, under different extension IDs. By 116 // first calling this method on the extension ID, the client can 117 // check if it's loaded; if it's not, the extension system will 118 // call the callback with no arguments and set 119 // chrome.runtime.lastError. 120 doSendResponse(); 121 return false; 122 } 123 throw new Error('Unknown method: ' + method); 124 } catch (e) { 125 doSendResponse(null, e.name + ': ' + e.message); 126 } 127 }); 128 129 // If Hangouts connects with a port named 'onSinksChangedListener', we 130 // will register a listener and send it a message {'eventName': 131 // 'onSinksChanged'} whenever the event fires. 132 chrome.runtime.onConnectExternal.addListener( 133 function(port) { 134 if (port.name == 'onSinksChangedListener') { 135 function clientListener() { 136 port.postMessage({'eventName': 'onSinksChanged'}); 137 } 138 chrome.webrtcAudioPrivate.onSinksChanged.addListener(clientListener); 139 140 port.onDisconnect(function() { 141 chrome.webrtcAudioPrivate.onSinksChanged.removeListener( 142 clientListener); 143 }); 144 } 145 }); 146
