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Test Info:
/**
* This test is used to ensure that touch in point can activate document and
* allow autoplay, but touch scroll can't activate document.
*/
/* eslint-disable mozilla/no-arbitrary-setTimeout */
"use strict";
const PAGE = GetTestWebBasedURL("file_nonAutoplayAudio.html");
function checkMediaPlayingState(isPlaying) {
let audio = content.document.getElementById("testAudio");
if (!audio) {
ok(false, "can't get the audio element!");
}
is(!audio.paused, isPlaying, "media playing state is correct.");
}
async function callMediaPlay(shouldStartPlaying) {
let audio = content.document.getElementById("testAudio");
if (!audio) {
ok(false, "can't get the audio element!");
}
info(`call media.play().`);
let playPromise = new Promise((resolve, reject) => {
audio.play().then(() => {
audio.isPlayStarted = true;
resolve();
});
content.setTimeout(() => {
if (audio.isPlayStarted) {
return;
}
reject();
}, 3000);
});
let isStartPlaying = await playPromise.then(
() => true,
() => false
);
is(
isStartPlaying,
shouldStartPlaying,
"media is " + (isStartPlaying ? "" : "not ") + "playing."
);
}
async function synthesizeTouchScroll(target, browser) {
const offset = 100;
await BrowserTestUtils.synthesizeTouch(
target,
0,
0,
{ type: "touchstart" },
browser
);
await BrowserTestUtils.synthesizeTouch(
target,
offset / 2,
offset / 2,
{ type: "touchmove" },
browser
);
await BrowserTestUtils.synthesizeTouch(
target,
offset,
offset,
{ type: "touchend" },
browser
);
}
add_task(async function setup_test_preference() {
return SpecialPowers.pushPrefEnv({
set: [
["media.autoplay.default", SpecialPowers.Ci.nsIAutoplay.BLOCKED],
["media.autoplay.blocking_policy", 0],
],
});
});
add_task(async function testTouchScroll() {
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: PAGE,
},
async browser => {
info(`- media should not start playing -`);
await SpecialPowers.spawn(browser, [false], checkMediaPlayingState);
info(`- simulate touch scroll which should not activate document -`);
await synthesizeTouchScroll("#testAudio", browser);
await SpecialPowers.spawn(browser, [false], callMediaPlay);
info(`- simulate touch at a point which should activate document -`);
await BrowserTestUtils.synthesizeTouch("#testAudio", 0, 0, {}, browser);
await SpecialPowers.spawn(browser, [true], callMediaPlay);
}
);
});