forked from mirrors/gecko-dev
c7c96baf75
Differential Revision: https://phabricator.services.mozilla.com/D4563 --HG-- extra : source : 390737876a61c5da48a1957d284d3c315fbd541a extra : intermediate-source : f0b190c1cfb5d2df482f1051bbc0ff98de71235b
84 lines
2.6 KiB
JavaScript
84 lines
2.6 KiB
JavaScript
const PAGE = "https://example.com/browser/toolkit/content/tests/browser/file_nonAutoplayAudio.html";
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var SuspendedType = {
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NONE_SUSPENDED: 0,
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SUSPENDED_PAUSE: 1,
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SUSPENDED_BLOCK: 2,
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SUSPENDED_PAUSE_DISPOSABLE: 3,
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};
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function check_audio_suspended(suspendedType) {
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var audio = content.document.getElementById("testAudio");
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if (!audio) {
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ok(false, "Can't get the audio element!");
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}
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is(audio.computedSuspended, suspendedType,
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"The suspeded state of audio is correct.");
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}
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function check_audio_pause_state(expectPause) {
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var audio = content.document.getElementById("testAudio");
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if (!audio) {
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ok(false, "Can't get the audio element!");
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}
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is(audio.paused, expectPause,
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"The pause state of audio is corret.");
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}
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function play_audio() {
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var audio = content.document.getElementById("testAudio");
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if (!audio) {
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ok(false, "Can't get the audio element!");
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}
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audio.play();
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return new Promise(resolve => {
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audio.onplay = function() {
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audio.onplay = null;
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ok(true, "Audio starts playing.");
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resolve();
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};
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});
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}
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add_task(async function setup_test_preference() {
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await SpecialPowers.pushPrefEnv({"set": [
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["media.useAudioChannelService.testing", true],
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["media.block-autoplay-until-in-foreground", true],
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]});
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});
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/**
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* This test is used for testing the visible tab which was not resumed yet.
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* If the tab doesn't have any media component, it won't be resumed even it
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* has already gone to foreground until we start audio.
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*/
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add_task(async function media_should_be_able_to_play_in_visible_tab() {
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info("- open new background tab, and check tab's media pause state -");
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let tab = BrowserTestUtils.addTab(window.gBrowser, "about:blank");
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BrowserTestUtils.loadURI(tab.linkedBrowser, PAGE);
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await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
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await ContentTask.spawn(tab.linkedBrowser, true,
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check_audio_pause_state);
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info("- select tab as foreground tab, and tab's media should still be paused -");
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await BrowserTestUtils.switchTab(window.gBrowser, tab);
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await ContentTask.spawn(tab.linkedBrowser, true,
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check_audio_pause_state);
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info("- start audio in tab -");
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await ContentTask.spawn(tab.linkedBrowser, null,
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play_audio);
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info("- audio should be playing -");
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await ContentTask.spawn(tab.linkedBrowser, false,
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check_audio_pause_state);
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await ContentTask.spawn(tab.linkedBrowser, SuspendedType.NONE_SUSPENDED,
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check_audio_suspended);
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info("- remove tab -");
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BrowserTestUtils.removeTab(tab);
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});
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