dom/browser-element/mochitest/priority/test_Audio.html@6474c204b198
dom/browser-element/mochitest/priority/test_Audio.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 Test that frames playing audio get BACKGROUND_PERCEIVABLE priority.
5 -->
6 <head>
7 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
8 <script type="application/javascript" src="../browserElementTestHelpers.js"></script>
9 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
10 </head>
11 <body>
13 <script type="application/javascript;version=1.7">
14 "use strict";
16 SimpleTest.waitForExplicitFinish();
17 browserElementTestHelpers.setEnabledPref(true);
18 browserElementTestHelpers.addPermission();
19 browserElementTestHelpers.enableProcessPriorityManager();
21 function runTest() {
22 var iframe = document.createElement('iframe');
23 iframe.setAttribute('mozbrowser', true);
24 iframe.src = 'file_Audio.html';
26 var childID = null;
27 expectOnlyOneProcessCreated().then(function(chid) {
28 childID = chid;
29 return Promise.all(
30 [expectPriorityChange(childID, 'FOREGROUND'),
31 expectMozbrowserEvent(iframe, 'loadend'),
32 expectMozbrowserEvent(iframe, 'showmodalprompt').then(function(e) {
33 is(e.detail.message, 'onplay', 'showmodalprompt message');
34 })]
35 );
36 }).then(function() {
37 // Send the child process into the background. Because it's playing audio,
38 // it should get priority BACKGROUND_PERCEIVABLE, not vanilla BACKGROUND.
39 var p = expectPriorityChange(childID, 'BACKGROUND_PERCEIVABLE');
40 iframe.setVisible(false);
41 return p;
42 }).then(function() {
43 var p = expectPriorityChange(childID, 'FOREGROUND');
44 iframe.setVisible(true);
45 return p;
46 }).then(SimpleTest.finish);
48 document.body.appendChild(iframe);
49 }
51 // This test relies on <audio> elements interacting with the audio channel
52 // service. This is controled by the media.useAudioChannelService pref.
53 addEventListener('testready', function() {
54 SpecialPowers.pushPrefEnv({set: [['media.useAudioChannelService', true]]},
55 runTest);
56 });
58 </script>
59 </body>
60 </html>
