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
|
const PAGE =
"https://example.com/browser/toolkit/content/tests/browser/file_nonAutoplayAudio.html";
add_task(async function setup_test_preference() {
await SpecialPowers.pushPrefEnv({
set: [
["media.useAudioChannelService.testing", true],
["media.block-autoplay-until-in-foreground", true],
],
});
});
/**
* When media starts in an unvisited tab, we would delay its playback and resume
* media playback when the tab goes to foreground first time. There are two test
* cases are used to check different situations.
*
* The first one is used to check if the delayed media has been paused before
* the tab goes to foreground. Then, when the tab goes to foreground, media
* should still be paused.
*
* The second one is used to check if the delayed media has been paused, but
* it eventually was started again before the tab goes to foreground. Then, when
* the tab goes to foreground, media should be resumed.
*/
add_task(async function testShouldNotResumePausedMedia() {
info("- open new background tab and wait until it finishes loading -");
const tab = BrowserTestUtils.addTab(window.gBrowser, PAGE);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
info("- play media and then immediately pause it -");
await doPlayThenPauseOnMedia(tab);
info("- show delay media playback icon on tab -");
await waitForTabBlockEvent(tab, true);
info("- selecting tab as foreground tab would resume the tab -");
await BrowserTestUtils.switchTab(window.gBrowser, tab);
info("- resuming tab should dismiss delay autoplay icon -");
await waitForTabBlockEvent(tab, false);
info("- paused media should still be paused -");
await checkAudioPauseState(tab, true /* should be paused */);
info("- paused media won't generate tab playing icon -");
await waitForTabPlayingEvent(tab, false);
info("- remove tab -");
BrowserTestUtils.removeTab(tab);
});
add_task(async function testShouldResumePlayedMedia() {
info("- open new background tab and wait until it finishes loading -");
const tab = BrowserTestUtils.addTab(window.gBrowser, PAGE);
await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
info("- play media, pause it, then play it again -");
await doPlayPauseThenPlayOnMedia(tab);
info("- show delay media playback icon on tab -");
await waitForTabBlockEvent(tab, true);
info("- select tab as foreground tab -");
await BrowserTestUtils.switchTab(window.gBrowser, tab);
info("- resuming tab should dismiss delay autoplay icon -");
await waitForTabBlockEvent(tab, false);
info("- played media should still be played -");
await checkAudioPauseState(tab, false /* should be played */);
info("- played media would generate tab playing icon -");
await waitForTabPlayingEvent(tab, true);
info("- remove tab -");
BrowserTestUtils.removeTab(tab);
});
/**
* Helper functions.
*/
async function checkAudioPauseState(tab, expectedPaused) {
await SpecialPowers.spawn(
tab.linkedBrowser,
[expectedPaused],
expectedPaused => {
const audio = content.document.getElementById("testAudio");
if (!audio) {
ok(false, "Can't get the audio element!");
}
is(audio.paused, expectedPaused, "The pause state of audio is corret.");
}
);
}
async function doPlayThenPauseOnMedia(tab) {
await SpecialPowers.spawn(tab.linkedBrowser, [], () => {
const audio = content.document.getElementById("testAudio");
if (!audio) {
ok(false, "Can't get the audio element!");
}
audio.play();
audio.pause();
});
}
async function doPlayPauseThenPlayOnMedia(tab) {
await SpecialPowers.spawn(tab.linkedBrowser, [], () => {
const audio = content.document.getElementById("testAudio");
if (!audio) {
ok(false, "Can't get the audio element!");
}
audio.play();
audio.pause();
audio.play();
});
}
|
