1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
<!DOCTYPE HTML>
<html>
<head>
<title>Test for audio controller in windows</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<pre id="test">
</pre>
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
var expectedNotification = null;
var observer = {
observe: function(subject, topic, data) {
if (expectedNotification !== null) {
is(topic, "audio-playback", "audio-playback received");
is(data, expectedNotification, "This is the right notification");
runTest();
} else {
ok(false, "should not receive audio-playback notification!");
}
}
};
var observerService = SpecialPowers.Cc["@mozilla.org/observer-service;1"]
.getService(SpecialPowers.Ci.nsIObserverService);
var audio = new Audio();
audio.loop = true;
var tests = [
function() {
observerService.addObserver(observer, "audio-playback", false);
ok(true, "Observer set");
audio.src = "audio.ogg";
// Wait for the audio metadata to become available so that we have an audio track.
audio.onloadedmetadata = runTest;
},
// Verify that muting and unmuting dispatches the events as expected.
function() {
expectedNotification = 'active';
audio.play();
},
function() {
expectedNotification = 'inactive-nonaudible';
audio.volume = 0;
},
function() {
expectedNotification = 'active';
audio.volume = 1;
},
function() {
expectedNotification = 'inactive-pause';
audio.pause();
},
// Verify that no events are dispatched when volume is set to 0..
function() {
expectedNotification = 'active';
audio.play();
},
function() {
expectedNotification = 'inactive-nonaudible';
audio.volume = 0;
},
function() {
expectedNotification = null;
audio.onpause = function() {
// Yield to the event loop a few times to make sure that audio-playback is not dispatched.
SimpleTest.executeSoon(function() {
SimpleTest.executeSoon(function() {
SimpleTest.executeSoon(function() {
audio.onpause = null;
runTest();
});
});
});
};
audio.pause();
},
function() {
expectedNotification = null;
audio.volume = 1;
// Yield to the event loop a few times to make sure that audio-playback is not dispatched.
SimpleTest.executeSoon(function() {
SimpleTest.executeSoon(function() {
SimpleTest.executeSoon(function() {
runTest();
});
});
});
},
function() {
observerService.removeObserver(observer, "audio-playback");
ok(true, "Observer removed");
runTest();
}
];
function runTest() {
if (!tests.length) {
SimpleTest.finish();
return;
}
var test = tests.shift();
test();
}
runTest();
</script>
</body>
</html>
|
