const PAGE = "https://example.com/browser/toolkit/content/tests/browser/file_multipleAudio.html"; const PAGE_NO_AUTOPLAY = "https://example.com/browser/toolkit/content/tests/browser/file_nonAutoplayAudio.html"; function check_audio_paused(browser, shouldBePaused) { return SpecialPowers.spawn(browser, [shouldBePaused], shouldBePaused => { var autoPlay = content.document.getElementById("autoplay"); if (!autoPlay) { ok(false, "Can't get the audio element!"); } is( autoPlay.paused, shouldBePaused, "autoplay audio should " + (!shouldBePaused ? "not " : "") + "be paused." ); }); } add_task(async function setup_test_preference() { await SpecialPowers.pushPrefEnv({ set: [ ["media.useAudioChannelService.testing", true], ["media.block-autoplay-until-in-foreground", true], ], }); }); function set_media_autoplay() { let audio = content.document.getElementById("testAudio"); if (!audio) { ok(false, "Can't get the audio element!"); return; } audio.autoplay = true; } add_task(async function delay_media_with_autoplay_keyword() { info("- open new background tab -"); const tab = BrowserTestUtils.addTab(window.gBrowser, PAGE_NO_AUTOPLAY); await BrowserTestUtils.browserLoaded(tab.linkedBrowser); info("- set media's autoplay property -"); await SpecialPowers.spawn(tab.linkedBrowser, [], set_media_autoplay); info("- should delay autoplay media -"); await waitForTabBlockEvent(tab, true); info("- switch tab to foreground -"); await BrowserTestUtils.switchTab(window.gBrowser, tab); info("- media should be resumed because tab has been visited -"); await waitForTabPlayingEvent(tab, true); await waitForTabBlockEvent(tab, false); info("- remove tab -"); BrowserTestUtils.removeTab(tab); }); add_task(async function delay_media_with_play_invocation() { info("- open new background tab1 -"); let tab1 = BrowserTestUtils.addTab(window.gBrowser, PAGE); await BrowserTestUtils.browserLoaded(tab1.linkedBrowser); info("- should delay autoplay media for non-visited tab1 -"); await waitForTabBlockEvent(tab1, true); info("- open new background tab2 -"); let tab2 = BrowserTestUtils.addTab(window.gBrowser, PAGE); await BrowserTestUtils.browserLoaded(tab2.linkedBrowser); info("- should delay autoplay for non-visited tab2 -"); await waitForTabBlockEvent(tab2, true); info("- switch to tab1 -"); await BrowserTestUtils.switchTab(window.gBrowser, tab1); info("- media in tab1 should be unblocked because the tab was visited -"); await waitForTabPlayingEvent(tab1, true); await waitForTabBlockEvent(tab1, false); info("- open another new foreground tab3 -"); let tab3 = await BrowserTestUtils.openNewForegroundTab( window.gBrowser, "about:blank" ); info("- should still play media from tab1 -"); await waitForTabPlayingEvent(tab1, true); info("- should still block media from tab2 -"); await waitForTabPlayingEvent(tab2, false); await waitForTabBlockEvent(tab2, true); info("- remove tabs -"); BrowserTestUtils.removeTab(tab1); BrowserTestUtils.removeTab(tab2); BrowserTestUtils.removeTab(tab3); }); add_task(async function resume_delayed_media_when_enable_blocking_autoplay() { // Disable autoplay and verify that when a tab is opened in the // background and has had its playback start delayed, resuming via the audio // tab indicator overrides the autoplay blocking logic. // // Clicking "play" on the audio tab indicator should always start playback // in that tab, even if it's in an autoplay-blocked origin. // // Also test that that this block-autoplay logic override doesn't survive // a new document being loaded into the tab; the new document should have // to satisfy the autoplay requirements on its own. await SpecialPowers.pushPrefEnv({ set: [ ["media.autoplay.default", SpecialPowers.Ci.nsIAutoplay.BLOCKED], ["media.autoplay.blocking_policy", 0], ], }); info("- open new background tab -"); let tab = BrowserTestUtils.addTab(window.gBrowser, PAGE); await BrowserTestUtils.browserLoaded(tab.linkedBrowser); info("- should block autoplay for non-visited tab -"); await waitForTabBlockEvent(tab, true); await check_audio_paused(tab.linkedBrowser, true); tab.linkedBrowser.resumeMedia(); info("- should not block media from tab -"); await waitForTabPlayingEvent(tab, true); await check_audio_paused(tab.linkedBrowser, false); info( "- check that loading a new URI in page clears gesture activation status -" ); BrowserTestUtils.loadURIString(tab.linkedBrowser, PAGE); await BrowserTestUtils.browserLoaded(tab.linkedBrowser); info("- should block autoplay again as gesture activation status cleared -"); await check_audio_paused(tab.linkedBrowser, true); info("- remove tab -"); BrowserTestUtils.removeTab(tab); // Clear the block-autoplay pref. await SpecialPowers.popPrefEnv(); });