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const PAGE_URL =
"https://example.com/browser/dom/media/mediacontrol/tests/browser/file_non_autoplay.html";
const testVideoId = "video";
add_task(async function setupTestingPref() {
await SpecialPowers.pushPrefEnv({
set: [
["media.mediacontrol.testingevents.enabled", true],
["dom.media.mediasession.enabled", true],
],
});
});
/**
* This test is used to check if the `seekto` action can be sent when calling
* media controller's `seekTo()`. In addition, the seeking related properties
* which would be sent to the action handler should also be correct as what we
* set in `seekTo()`.
*/
add_task(async function testSetPositionState() {
info(`open media page`);
const tab = await createLoadedTabWrapper(PAGE_URL);
info(`start media`);
await playMedia(tab, testVideoId);
const seektime = 0;
info(`seek to ${seektime} seconds.`);
await PerformSeekTo(tab, {
seekTime: seektime,
});
info(`seek to ${seektime} seconds and set fastseek to boolean`);
await PerformSeekTo(tab, {
seekTime: seektime,
fastSeek: true,
});
info(`seek to ${seektime} seconds and set fastseek to false`);
await PerformSeekTo(tab, {
seekTime: seektime,
fastSeek: false,
});
info(`remove tab`);
await tab.close();
});
/**
* The following is helper function.
*/
async function PerformSeekTo(tab, seekDetails) {
await SpecialPowers.spawn(
tab.linkedBrowser,
[seekDetails, testVideoId],
(seekDetails, Id) => {
const { seekTime, fastSeek } = seekDetails;
content.navigator.mediaSession.setActionHandler("seekto", details => {
ok(details.seekTime != undefined, "Seektime must be presented");
is(seekTime, details.seekTime, "Get correct seektime");
if (fastSeek) {
is(fastSeek, details.fastSeek, "Get correct fastSeek");
} else {
ok(
details.fastSeek === undefined,
"Details should not contain fastSeek"
);
}
// We use `onseek` as a hint to know if the `seekto` has been received
// or not. The reason we don't return a resolved promise instead is
// because if we do so, it can't guarantees that the `seekto` action
// handler has been set before calling `mediaController.seekTo`.
content.document.getElementById(Id).currentTime = seekTime;
});
}
);
const seekPromise = SpecialPowers.spawn(
tab.linkedBrowser,
[testVideoId],
Id => {
const video = content.document.getElementById(Id);
return new Promise(r => (video.onseeking = r()));
}
);
const { seekTime, fastSeek } = seekDetails;
tab.linkedBrowser.browsingContext.mediaController.seekTo(seekTime, fastSeek);
await seekPromise;
}
|
