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const PAGE = "https://example.com/browser/toolkit/content/tests/browser/file_multipleAudio.html";
var SuspendedType = {
NONE_SUSPENDED : 0,
SUSPENDED_PAUSE : 1,
SUSPENDED_BLOCK : 2,
SUSPENDED_PAUSE_DISPOSABLE : 3
};
function* wait_for_tab_playing_event(tab, expectPlaying) {
if (tab.soundPlaying == expectPlaying) {
ok(true, "The tab should " + (expectPlaying ? "" : "not ") + "be playing");
} else {
yield BrowserTestUtils.waitForEvent(tab, "TabAttrModified", false, (event) => {
if (event.detail.changed.indexOf("soundplaying") >= 0) {
is(tab.soundPlaying, expectPlaying, "The tab should " + (expectPlaying ? "" : "not ") + "be playing");
return true;
}
return false;
});
}
}
function check_audio_suspended(suspendedType) {
var autoPlay = content.document.getElementById('autoplay');
if (!autoPlay) {
ok(false, "Can't get the audio element!");
}
is(autoPlay.computedSuspended, suspendedType,
"The suspeded state of autoplay audio is correct.");
}
add_task(function* setup_test_preference() {
yield new Promise(resolve => {
SpecialPowers.pushPrefEnv({"set": [
["media.useAudioChannelService.testing", true],
["media.block-autoplay-until-in-foreground", true]
]}, resolve);
});
});
add_task(function* block_autoplay_media() {
info("- open new background tab1 -");
let tab1 = window.gBrowser.addTab("about:blank");
tab1.linkedBrowser.loadURI(PAGE);
yield BrowserTestUtils.browserLoaded(tab1.linkedBrowser);
info("- should block autoplay media for non-visited tab1 -");
yield ContentTask.spawn(tab1.linkedBrowser, SuspendedType.SUSPENDED_BLOCK,
check_audio_suspended);
info("- open new background tab2 -");
let tab2 = window.gBrowser.addTab("about:blank");
tab2.linkedBrowser.loadURI(PAGE);
yield BrowserTestUtils.browserLoaded(tab2.linkedBrowser);
info("- should block autoplay for non-visited tab2 -");
yield ContentTask.spawn(tab2.linkedBrowser, SuspendedType.SUSPENDED_BLOCK,
check_audio_suspended);
info("- select tab1 as foreground tab -");
yield BrowserTestUtils.switchTab(window.gBrowser, tab1);
info("- media should be unblocked because the tab was visited -");
yield wait_for_tab_playing_event(tab1, true);
yield ContentTask.spawn(tab1.linkedBrowser, SuspendedType.NONE_SUSPENDED,
check_audio_suspended);
info("- open another new foreground tab3 -");
let tab3 = yield BrowserTestUtils.openNewForegroundTab(window.gBrowser,
"about:blank");
info("- should still play media from tab1 -");
yield wait_for_tab_playing_event(tab1, true);
yield ContentTask.spawn(tab1.linkedBrowser, SuspendedType.NONE_SUSPENDED,
check_audio_suspended);
info("- should still block media from tab2 -");
yield wait_for_tab_playing_event(tab2, false);
yield ContentTask.spawn(tab2.linkedBrowser, SuspendedType.SUSPENDED_BLOCK,
check_audio_suspended);
info("- remove tabs -");
yield BrowserTestUtils.removeTab(tab1);
yield BrowserTestUtils.removeTab(tab2);
yield BrowserTestUtils.removeTab(tab3);
});
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