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/**
* Test whether the wakelock state is correct under different situations. However,
* the lock state of power manager doesn't equal to the actual platform lock.
* Now we don't have any way to detect whether platform lock is set correctly or
* not, but we can at least make sure the specific topic's state in power manager
* is correct.
*/
"use strict";
// Import this in order to use `triggerPictureInPicture()`.
Services.scriptloader.loadSubScript(
"chrome://mochitests/content/browser/toolkit/components/pictureinpicture/tests/head.js",
this
);
const LOCATION = "https://example.com/browser/toolkit/content/tests/browser/";
const AUDIO_WAKELOCK_NAME = "audio-playing";
const VIDEO_WAKELOCK_NAME = "video-playing";
add_task(async function testCheckWakelockWhenChangeTabVisibility() {
await checkWakelockWhenChangeTabVisibility({
description: "playing video",
url: "file_video.html",
lockAudio: true,
lockVideo: true,
});
await checkWakelockWhenChangeTabVisibility({
description: "playing muted video",
url: "file_video.html",
additionalParams: {
muted: true,
},
lockAudio: false,
lockVideo: true,
});
await checkWakelockWhenChangeTabVisibility({
description: "playing volume=0 video",
url: "file_video.html",
additionalParams: {
volume: 0.0,
},
lockAudio: false,
lockVideo: true,
});
await checkWakelockWhenChangeTabVisibility({
description: "playing video without audio in it",
url: "file_videoWithoutAudioTrack.html",
lockAudio: false,
lockVideo: false,
});
await checkWakelockWhenChangeTabVisibility({
description: "playing audio in video element",
url: "file_videoWithAudioOnly.html",
lockAudio: true,
lockVideo: false,
});
await checkWakelockWhenChangeTabVisibility({
description: "playing audio in audio element",
url: "file_mediaPlayback2.html",
lockAudio: true,
lockVideo: false,
});
await checkWakelockWhenChangeTabVisibility({
description: "playing video from media stream with audio and video tracks",
url: "browser_mediaStreamPlayback.html",
lockAudio: true,
lockVideo: true,
});
await checkWakelockWhenChangeTabVisibility({
description: "playing video from media stream without audio track",
url: "browser_mediaStreamPlaybackWithoutAudio.html",
lockAudio: true,
lockVideo: true,
});
});
/**
* Following are helper functions.
*/
async function checkWakelockWhenChangeTabVisibility({
description,
url,
additionalParams,
lockAudio,
lockVideo,
}) {
const originalTab = gBrowser.selectedTab;
info(`start a new tab for '${description}'`);
const mediaTab = await BrowserTestUtils.openNewForegroundTab(
window.gBrowser,
LOCATION + url
);
info(`wait for media starting playing`);
await waitUntilVideoStarted(mediaTab, additionalParams);
await waitForExpectedWakeLockState(AUDIO_WAKELOCK_NAME, {
needLock: lockAudio,
isForegroundLock: true,
});
await waitForExpectedWakeLockState(VIDEO_WAKELOCK_NAME, {
needLock: lockVideo,
isForegroundLock: true,
});
info(`switch media tab to background`);
await BrowserTestUtils.switchTab(window.gBrowser, originalTab);
await waitForExpectedWakeLockState(AUDIO_WAKELOCK_NAME, {
needLock: lockAudio,
isForegroundLock: false,
});
await waitForExpectedWakeLockState(VIDEO_WAKELOCK_NAME, {
needLock: lockVideo,
isForegroundLock: false,
});
info(`switch media tab to foreground again`);
await BrowserTestUtils.switchTab(window.gBrowser, mediaTab);
await waitForExpectedWakeLockState(AUDIO_WAKELOCK_NAME, {
needLock: lockAudio,
isForegroundLock: true,
});
await waitForExpectedWakeLockState(VIDEO_WAKELOCK_NAME, {
needLock: lockVideo,
isForegroundLock: true,
});
info(`remove tab`);
if (mediaTab.PIPWindow) {
await BrowserTestUtils.closeWindow(mediaTab.PIPWindow);
}
BrowserTestUtils.removeTab(mediaTab);
}
async function waitUntilVideoStarted(tab, { muted, volume } = {}) {
await SpecialPowers.spawn(
tab.linkedBrowser,
[muted, volume],
async (muted, volume) => {
const video = content.document.getElementById("v");
if (!video) {
ok(false, "can't get media element!");
return;
}
if (muted) {
video.muted = muted;
}
if (volume !== undefined) {
video.volume = volume;
}
ok(
await video.play().then(
() => true,
() => false
),
`video started playing.`
);
}
);
}
|
