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"use strict";
const PAGE = GetTestWebBasedURL("audio.ogg");
function setup_test_preference() {
return SpecialPowers.pushPrefEnv({
set: [
["media.autoplay.default", SpecialPowers.Ci.nsIAutoplay.BLOCKED],
["media.autoplay.blocking_policy", 0],
],
});
}
async function checkIsVideoDocumentAutoplay(browser) {
const played = await SpecialPowers.spawn(browser, [], async () => {
const video = content.document.getElementsByTagName("video")[0];
const played =
video &&
(await video.play().then(
() => true,
() => false
));
return played;
});
ok(played, "Should be able to play in video document.");
}
async function checkIsIframeVideoDocumentAutoplay(browser) {
info("- create iframe video document -");
const iframeBC = await SpecialPowers.spawn(browser, [PAGE], async pageURL => {
const iframe = content.document.createElement("iframe");
iframe.src = pageURL;
content.document.body.appendChild(iframe);
const iframeLoaded = new Promise(resolve => {
iframe.addEventListener("load", () => resolve(), { once: true });
});
await iframeLoaded;
return iframe.browsingContext;
});
info("- check whether iframe video document starts playing -");
const [paused, playedLength] = await SpecialPowers.spawn(iframeBC, [], () => {
const video = content.document.querySelector("video");
return [video.paused, video.played.length];
});
ok(paused, "Subdoc video should not have played");
is(playedLength, 0, "Should have empty played ranges");
}
add_task(async () => {
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: PAGE,
},
async browser => {
info("- setup test preference -");
await setup_test_preference();
info(`- check whether video document is autoplay -`);
await checkIsVideoDocumentAutoplay(browser);
}
);
});
add_task(async () => {
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: "about:blank",
},
async browser => {
info("- setup test preference -");
await setup_test_preference();
info(`- check whether video document in iframe is autoplay -`);
await checkIsIframeVideoDocumentAutoplay(browser);
}
);
});