mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
synced 2026-09-24 09:27:31 +09:00
252 lines
9.2 KiB
JavaScript
252 lines
9.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
const ENDED_TIMEOUT_LENGTH = 30000;
|
|
|
|
/* The time we wait depends primarily on the canplaythrough event firing
|
|
* Note: this needs to be at least 30s because the
|
|
* B2G emulator in VMs is really slow. */
|
|
const VERIFYPLAYING_TIMEOUT_LENGTH = 60000;
|
|
|
|
/**
|
|
* This class manages playback of a HTMLMediaElement with a MediaStream.
|
|
* When constructed by a caller, an object instance is created with
|
|
* a media element and a media stream object.
|
|
*
|
|
* @param {HTMLMediaElement} mediaElement the media element for playback
|
|
* @param {MediaStream} mediaStream the media stream used in
|
|
* the mediaElement for playback
|
|
*/
|
|
function MediaStreamPlayback(mediaElement, mediaStream) {
|
|
this.mediaElement = mediaElement;
|
|
this.mediaStream = mediaStream;
|
|
}
|
|
|
|
MediaStreamPlayback.prototype = {
|
|
|
|
/**
|
|
* Starts media element with a media stream, runs it until a canplaythrough
|
|
* and timeupdate event fires, and calls stop() on all its tracks.
|
|
*
|
|
* @param {Boolean} isResume specifies if this media element is being resumed
|
|
* from a previous run
|
|
*/
|
|
playMedia : function(isResume) {
|
|
this.startMedia(isResume);
|
|
return this.verifyPlaying()
|
|
.then(() => this.stopTracksForStreamInMediaPlayback())
|
|
.then(() => this.detachFromMediaElement());
|
|
},
|
|
|
|
/**
|
|
* Stops the local media stream's tracks while it's currently in playback in
|
|
* a media element.
|
|
*
|
|
* Precondition: The media stream and element should both be actively
|
|
* being played. All the stream's tracks must be local.
|
|
*/
|
|
stopTracksForStreamInMediaPlayback : function () {
|
|
var elem = this.mediaElement;
|
|
return Promise.all([
|
|
haveEvent(elem, "ended", wait(ENDED_TIMEOUT_LENGTH, new Error("Timeout"))),
|
|
...this.mediaStream.getTracks().map(t => (t.stop(), haveNoEvent(t, "ended")))
|
|
]);
|
|
},
|
|
|
|
/**
|
|
* Starts media with a media stream, runs it until a canplaythrough and
|
|
* timeupdate event fires, and detaches from the element without stopping media.
|
|
*
|
|
* @param {Boolean} isResume specifies if this media element is being resumed
|
|
* from a previous run
|
|
*/
|
|
playMediaWithoutStoppingTracks : function(isResume) {
|
|
this.startMedia(isResume);
|
|
return this.verifyPlaying()
|
|
.then(() => this.detachFromMediaElement());
|
|
},
|
|
|
|
/**
|
|
* Starts the media with the associated stream.
|
|
*
|
|
* @param {Boolean} isResume specifies if the media element playback
|
|
* is being resumed from a previous run
|
|
*/
|
|
startMedia : function(isResume) {
|
|
|
|
// If we're playing media element for the first time, check that time is zero.
|
|
if (!isResume) {
|
|
is(this.mediaElement.currentTime, 0,
|
|
"Before starting the media element, currentTime = 0");
|
|
}
|
|
this.canPlayThroughFired = listenUntil(this.mediaElement, 'canplaythrough',
|
|
() => true);
|
|
|
|
// Hooks up the media stream to the media element and starts playing it
|
|
this.mediaElement.srcObject = this.mediaStream;
|
|
this.mediaElement.play();
|
|
},
|
|
|
|
/**
|
|
* Verifies that media is playing.
|
|
*/
|
|
verifyPlaying : function() {
|
|
var lastStreamTime = this.mediaStream.currentTime;
|
|
var lastElementTime = this.mediaElement.currentTime;
|
|
|
|
var mediaTimeProgressed = listenUntil(this.mediaElement, 'timeupdate',
|
|
() => this.mediaStream.currentTime > lastStreamTime &&
|
|
this.mediaElement.currentTime > lastElementTime);
|
|
|
|
return timeout(Promise.all([this.canPlayThroughFired, mediaTimeProgressed]),
|
|
VERIFYPLAYING_TIMEOUT_LENGTH, "verifyPlaying timed out")
|
|
.then(() => {
|
|
is(this.mediaElement.paused, false,
|
|
"Media element should be playing");
|
|
is(this.mediaElement.duration, Number.POSITIVE_INFINITY,
|
|
"Duration should be infinity");
|
|
|
|
// When the media element is playing with a real-time stream, we
|
|
// constantly switch between having data to play vs. queuing up data,
|
|
// so we can only check that the ready state is one of those two values
|
|
ok(this.mediaElement.readyState === HTMLMediaElement.HAVE_ENOUGH_DATA ||
|
|
this.mediaElement.readyState === HTMLMediaElement.HAVE_CURRENT_DATA,
|
|
"Ready state shall be HAVE_ENOUGH_DATA or HAVE_CURRENT_DATA");
|
|
|
|
is(this.mediaElement.seekable.length, 0,
|
|
"Seekable length shall be zero");
|
|
is(this.mediaElement.buffered.length, 0,
|
|
"Buffered length shall be zero");
|
|
|
|
is(this.mediaElement.seeking, false,
|
|
"MediaElement is not seekable with MediaStream");
|
|
ok(isNaN(this.mediaElement.startOffsetTime),
|
|
"Start offset time shall not be a number");
|
|
is(this.mediaElement.loop, false, "Loop shall be false");
|
|
is(this.mediaElement.preload, "", "Preload should not exist");
|
|
is(this.mediaElement.src, "", "No src should be defined");
|
|
is(this.mediaElement.currentSrc, "",
|
|
"Current src should still be an empty string");
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Detaches from the element without stopping the media.
|
|
*
|
|
* Precondition: The media stream and element should both be actively
|
|
* being played.
|
|
*/
|
|
detachFromMediaElement : function() {
|
|
this.mediaElement.pause();
|
|
this.mediaElement.srcObject = null;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* This class is basically the same as MediaStreamPlayback except
|
|
* ensures that the instance provided startMedia is a MediaStream.
|
|
*
|
|
* @param {HTMLMediaElement} mediaElement the media element for playback
|
|
* @param {LocalMediaStream} mediaStream the media stream used in
|
|
* the mediaElement for playback
|
|
*/
|
|
function LocalMediaStreamPlayback(mediaElement, mediaStream) {
|
|
ok(mediaStream instanceof LocalMediaStream,
|
|
"Stream should be a LocalMediaStream");
|
|
MediaStreamPlayback.call(this, mediaElement, mediaStream);
|
|
}
|
|
|
|
LocalMediaStreamPlayback.prototype = Object.create(MediaStreamPlayback.prototype, {
|
|
|
|
/**
|
|
* DEPRECATED - MediaStream.stop() is going away. Use MediaStreamTrack.stop()!
|
|
*
|
|
* Starts media with a media stream, runs it until a canplaythrough and
|
|
* timeupdate event fires, and calls stop() on the stream.
|
|
*
|
|
* @param {Boolean} isResume specifies if this media element is being resumed
|
|
* from a previous run
|
|
*/
|
|
playMediaWithDeprecatedStreamStop : {
|
|
value: function(isResume) {
|
|
this.startMedia(isResume);
|
|
return this.verifyPlaying()
|
|
.then(() => this.deprecatedStopStreamInMediaPlayback())
|
|
.then(() => this.detachFromMediaElement());
|
|
}
|
|
},
|
|
|
|
/**
|
|
* DEPRECATED - MediaStream.stop() is going away. Use MediaStreamTrack.stop()!
|
|
*
|
|
* Stops the local media stream while it's currently in playback in
|
|
* a media element.
|
|
*
|
|
* Precondition: The media stream and element should both be actively
|
|
* being played.
|
|
*
|
|
*/
|
|
deprecatedStopStreamInMediaPlayback : {
|
|
value: function () {
|
|
return new Promise((resolve, reject) => {
|
|
/**
|
|
* Callback fired when the ended event fires when stop() is called on the
|
|
* stream.
|
|
*/
|
|
var endedCallback = () => {
|
|
this.mediaElement.removeEventListener('ended', endedCallback, false);
|
|
ok(true, "ended event successfully fired");
|
|
resolve();
|
|
};
|
|
|
|
this.mediaElement.addEventListener('ended', endedCallback, false);
|
|
this.mediaStream.stop();
|
|
|
|
// If ended doesn't fire in enough time, then we fail the test
|
|
setTimeout(() => {
|
|
reject(new Error("ended event never fired"));
|
|
}, ENDED_TIMEOUT_LENGTH);
|
|
});
|
|
}
|
|
}
|
|
});
|
|
|
|
// haxx to prevent SimpleTest from failing at window.onload
|
|
function addLoadEvent() {}
|
|
|
|
var scriptsReady = Promise.all([
|
|
"/tests/SimpleTest/SimpleTest.js",
|
|
"head.js"
|
|
].map(script => {
|
|
var el = document.createElement("script");
|
|
el.src = script;
|
|
document.head.appendChild(el);
|
|
return new Promise(r => el.onload = r);
|
|
}));
|
|
|
|
function createHTML(options) {
|
|
return scriptsReady.then(() => realCreateHTML(options));
|
|
}
|
|
|
|
var pushPrefs = (...p) => new Promise(r => SpecialPowers.pushPrefEnv({set: p}, r));
|
|
|
|
// noGum - Helper to detect whether active guM tracks still exist.
|
|
//
|
|
// It relies on the fact that, by spec, device labels from enumerateDevices are
|
|
// only visible during active gum calls. They're also visible when persistent
|
|
// permissions are granted, so turn off media.navigator.permission.disabled
|
|
// (which is normally on otherwise in our tests). Lastly, we must turn on
|
|
// media.navigator.permission.fake otherwise fake devices don't count as active.
|
|
|
|
var noGum = () => pushPrefs(["media.navigator.permission.disabled", false],
|
|
["media.navigator.permission.fake", true])
|
|
.then(() => navigator.mediaDevices.enumerateDevices())
|
|
.then(([device]) => device &&
|
|
is(device.label, "", "Test must leave no active gUM streams behind."));
|
|
|
|
var runTest = testFunction => scriptsReady
|
|
.then(() => runTestWhenReady(testFunction))
|
|
.then(() => noGum())
|
|
.then(() => finish());
|