97 lines
2.8 KiB
JavaScript
97 lines
2.8 KiB
JavaScript
const PAGE =
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"https://example.com/browser/toolkit/content/tests/browser/file_nonAutoplayAudio.html";
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function wait_for_event(browser, event) {
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return BrowserTestUtils.waitForEvent(browser, event, false, event => {
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is(
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event.originalTarget,
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browser,
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"Event must be dispatched to correct browser."
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);
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return true;
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});
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}
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function check_audio_volume_and_mute(expectedMute) {
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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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let expectedVolume = expectedMute ? 0.0 : 1.0;
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is(expectedVolume, audio.computedVolume, "Audio's volume is correct!");
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is(expectedMute, audio.computedMuted, "Audio's mute state is correct!");
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}
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function check_audio_pause_state(expectedPauseState) {
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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, expectedPauseState, "Audio is paused.");
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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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ok(audio.paused, "Can't play audio, because the tab was still blocked.");
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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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add_task(async function unblock_icon_should_disapear_after_resume_tab() {
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info("- open new background tab -");
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let tab = BrowserTestUtils.addTab(window.gBrowser, PAGE);
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await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
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info("- audio doesn't be started in beginning -");
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await SpecialPowers.spawn(tab.linkedBrowser, [true], check_audio_pause_state);
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info("- audio shouldn't be muted -");
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await SpecialPowers.spawn(
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tab.linkedBrowser,
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[false],
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check_audio_volume_and_mute
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);
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info("- tab shouldn't display unblocking icon -");
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await waitForTabBlockEvent(tab, false);
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info("- mute tab -");
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tab.linkedBrowser.mute();
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ok(tab.linkedBrowser.audioMuted, "Audio should be muted now");
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info("- try to start audio in background tab -");
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await SpecialPowers.spawn(tab.linkedBrowser, [], play_audio);
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info("- tab should display unblocking icon -");
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await waitForTabBlockEvent(tab, true);
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info("- select tab as foreground tab -");
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await BrowserTestUtils.switchTab(window.gBrowser, tab);
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info("- audio shoule be muted, but not be blocked -");
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await SpecialPowers.spawn(
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tab.linkedBrowser,
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[true],
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check_audio_volume_and_mute
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);
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info("- tab should not display unblocking icon -");
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await waitForTabBlockEvent(tab, false);
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info("- remove tab -");
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BrowserTestUtils.removeTab(tab);
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});
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