fune/toolkit/content/tests/browser/browser_block_autoplay_media.js
alwu b19b9b34f5 Bug 1513039 - part11 : remove pref 'media.autoplay.ask-permission'. r=cpearce
Depends on D14335

Differential Revision: https://phabricator.services.mozilla.com/D14336

--HG--
extra : moz-landing-system : lando
2019-01-07 18:41:58 +00:00

113 lines
4.6 KiB
JavaScript

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 check_audio_suspended(browser, suspendedType) {
return ContentTask.spawn(browser, suspendedType, 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.");
});
}
function check_audio_paused(browser, shouldBePaused) {
return ContentTask.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],
]});
});
add_task(async function block_autoplay_media() {
info("- open new background tab1 -");
let tab1 = BrowserTestUtils.addTab(window.gBrowser, "about:blank");
BrowserTestUtils.loadURI(tab1.linkedBrowser, PAGE);
await BrowserTestUtils.browserLoaded(tab1.linkedBrowser);
info("- should block autoplay media for non-visited tab1 -");
await check_audio_suspended(tab1.linkedBrowser, SuspendedType.SUSPENDED_BLOCK);
info("- open new background tab2 -");
let tab2 = BrowserTestUtils.addTab(window.gBrowser, "about:blank");
BrowserTestUtils.loadURI(tab2.linkedBrowser, PAGE);
await BrowserTestUtils.browserLoaded(tab2.linkedBrowser);
info("- should block autoplay for non-visited tab2 -");
await check_audio_suspended(tab2.linkedBrowser, SuspendedType.SUSPENDED_BLOCK);
info("- select tab1 as foreground tab -");
await BrowserTestUtils.switchTab(window.gBrowser, tab1);
info("- media should be unblocked because the tab was visited -");
await waitForTabPlayingEvent(tab1, true);
await check_audio_suspended(tab1.linkedBrowser, SuspendedType.NONE_SUSPENDED);
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);
await check_audio_suspended(tab1.linkedBrowser, SuspendedType.NONE_SUSPENDED);
info("- should still block media from tab2 -");
await waitForTabPlayingEvent(tab2, false);
await check_audio_suspended(tab2.linkedBrowser, SuspendedType.SUSPENDED_BLOCK);
// Test 4: 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.enabled.user-gestures-needed", true],
]});
info("- open new background tab4 -");
let tab4 = BrowserTestUtils.addTab(window.gBrowser, "about:blank");
BrowserTestUtils.loadURI(tab4.linkedBrowser, PAGE);
await BrowserTestUtils.browserLoaded(tab4.linkedBrowser);
info("- should block autoplay for non-visited tab4 -");
await check_audio_suspended(tab4.linkedBrowser, SuspendedType.SUSPENDED_BLOCK);
await check_audio_paused(tab4.linkedBrowser, true);
tab4.linkedBrowser.resumeMedia();
info("- should not block media from tab4 -");
await waitForTabPlayingEvent(tab4, true);
await check_audio_paused(tab4.linkedBrowser, false);
info("- check that loading a new URI in page clears gesture activation status -");
BrowserTestUtils.loadURI(tab4.linkedBrowser, PAGE);
await BrowserTestUtils.browserLoaded(tab4.linkedBrowser);
info("- should block autoplay again as gesture activation status cleared -");
await check_audio_paused(tab4.linkedBrowser, true);
info("- remove tabs -");
BrowserTestUtils.removeTab(tab1);
BrowserTestUtils.removeTab(tab2);
BrowserTestUtils.removeTab(tab3);
BrowserTestUtils.removeTab(tab4);
});