68 lines
2 KiB
JavaScript
68 lines
2 KiB
JavaScript
const PAGE =
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"https://example.com/browser/toolkit/content/tests/browser/file_nonAutoplayAudio.html";
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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, "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({
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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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/**
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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, PAGE);
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await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
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await SpecialPowers.spawn(tab.linkedBrowser, [true], check_audio_pause_state);
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info(
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"- select tab as foreground tab, and tab's media should still be paused -"
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);
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await BrowserTestUtils.switchTab(window.gBrowser, tab);
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await SpecialPowers.spawn(tab.linkedBrowser, [true], check_audio_pause_state);
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info("- start audio in tab -");
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await SpecialPowers.spawn(tab.linkedBrowser, [], play_audio);
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info("- audio should be playing -");
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await waitForTabBlockEvent(tab, false);
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await SpecialPowers.spawn(
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tab.linkedBrowser,
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[false],
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check_audio_pause_state
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);
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info("- remove tab -");
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BrowserTestUtils.removeTab(tab);
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});
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