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Test Info:
const PAGE =
const testVideoId = "video";
/**
* This test is used to generate platform-independent media control keys event
* and see if media can be controlled correctly and current we only support
* `play`, `pause`, `playPause` and `stop` events.
*/
add_task(async function setupTestingPref() {
await SpecialPowers.pushPrefEnv({
set: [["media.mediacontrol.testingevents.enabled", true]],
});
});
add_task(async function testPlayPauseAndStop() {
info(`open page and start media`);
const tab = await createLoadedTabWrapper(PAGE);
await playMedia(tab, testVideoId);
info(`pressing 'pause' key`);
MediaControlService.generateMediaControlKey("pause");
await checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId);
info(`pressing 'play' key`);
MediaControlService.generateMediaControlKey("play");
await checkOrWaitUntilMediaStartedPlaying(tab, testVideoId);
info(`pressing 'stop' key`);
MediaControlService.generateMediaControlKey("stop");
await checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId);
info(`Has stopped controlling media, pressing 'play' won't resume it`);
MediaControlService.generateMediaControlKey("play");
await checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId);
info(`remove tab`);
await tab.close();
});
add_task(async function testPlayPause() {
info(`open page and start media`);
const tab = await createLoadedTabWrapper(PAGE);
await playMedia(tab, testVideoId);
info(`pressing 'playPause' key, media should stop`);
MediaControlService.generateMediaControlKey("playpause");
await Promise.all([
new Promise(r => (tab.controller.onplaybackstatechange = r)),
checkOrWaitUntilMediaStoppedPlaying(tab, testVideoId),
]);
info(`pressing 'playPause' key, media should start`);
MediaControlService.generateMediaControlKey("playpause");
await Promise.all([
new Promise(r => (tab.controller.onplaybackstatechange = r)),
checkOrWaitUntilMediaStartedPlaying(tab, testVideoId),
]);
info(`remove tab`);
await tab.close();
});
add_task(async function testSetVolume() {
info(`open page and start media`);
const tab = await createLoadedTabWrapper(PAGE);
await playMedia(tab, testVideoId);
info(`pressing 'setvolume' key with volume 0.5`);
MediaControlService.generateMediaControlKey("setvolume", 0.5);
await SpecialPowers.spawn(tab.linkedBrowser, [testVideoId], async Id => {
const video = content.document.getElementById(Id);
await new Promise(r => {
if (video.volume === 0.5) {
r();
} else {
video.addEventListener("volumechange", r, { once: true });
}
});
is(video.volume, 0.5, "Volume should be 0.5");
});
info(`pressing 'setvolume' key with volume -0.5`);
MediaControlService.generateMediaControlKey("setvolume", -0.5);
await SpecialPowers.spawn(tab.linkedBrowser, [testVideoId], async Id => {
const video = content.document.getElementById(Id);
await new Promise(r => content.window.setTimeout(r, 100));
is(
video.volume,
0.0,
"Volume should be 0.0 (clamped because setvolume < 0.0)"
);
});
info(`pressing 'setvolume' key with volume 1.5`);
MediaControlService.generateMediaControlKey("setvolume", 1.5);
await SpecialPowers.spawn(tab.linkedBrowser, [testVideoId], async Id => {
const video = content.document.getElementById(Id);
await new Promise(r => content.window.setTimeout(r, 100));
is(
video.volume,
1.0,
"Volume should be 1.0 (clamped because setvolume > 1.0)"
);
});
info(`pressing 'setvolume' key with volume 0.0`);
MediaControlService.generateMediaControlKey("setvolume", 0.0);
await SpecialPowers.spawn(tab.linkedBrowser, [testVideoId], async Id => {
const video = content.document.getElementById(Id);
await new Promise(r => {
if (video.volume === 0.0) {
r();
} else {
video.addEventListener("volumechange", r, { once: true });
}
});
is(video.volume, 0.0, "Volume should be 0.0");
});
info(`remove tab`);
await tab.close();
});
add_task(async function testMute() {
info(`open page and start media`);
const tab = await createLoadedTabWrapper(PAGE);
await playMedia(tab, testVideoId);
info(`pressing 'mute' key`);
MediaControlService.generateMediaControlKey("mute");
await SpecialPowers.spawn(tab.linkedBrowser, [testVideoId], async Id => {
const video = content.document.getElementById(Id);
await new Promise(r => {
if (video.muted) {
r();
} else {
video.addEventListener("volumechange", r, { once: true });
}
});
is(video.muted, true, "Media should be muted");
});
info(`pressing 'unmute' key`);
MediaControlService.generateMediaControlKey("unmute");
await SpecialPowers.spawn(tab.linkedBrowser, [testVideoId], async Id => {
const video = content.document.getElementById(Id);
await new Promise(r => {
if (!video.muted) {
r();
} else {
video.addEventListener("volumechange", r, { once: true });
}
});
is(video.muted, false, "Media should be unmuted");
});
info(`remove tab`);
await tab.close();
});