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/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const videoID = "with-controls";
const TEXT_TRACK_FONT_SIZE =
"media.videocontrols.picture-in-picture.display-text-tracks.size";
const ACCEPTABLE_DIFF = 1;
const checkFontSize = (actual, expected, str) => {
let fs1 = actual.substring(0, actual.length - 2);
let fs2 = expected;
let diff = Math.abs(fs1 - fs2);
info(`Actual font size: ${fs1}. Expected font size: ${fs2}`);
Assert.lessOrEqual(diff, ACCEPTABLE_DIFF, str);
};
function getFontSize(pipBrowser) {
return SpecialPowers.spawn(pipBrowser, [], async () => {
info("Checking text track content in pip window");
let textTracks = content.document.getElementById("texttracks");
ok(textTracks, "TextTracks container should exist in the pip window");
await ContentTaskUtils.waitForCondition(() => {
return textTracks.textContent;
}, `Text track is still not visible on the pip window. Got ${textTracks.textContent}`);
return content.window.getComputedStyle(textTracks).fontSize;
});
}
function promiseResize(win, width, height) {
if (win.outerWidth == width && win.outerHeight == height) {
return Promise.resolve();
}
return new Promise(resolve => {
// More than one "resize" might be received if the window was recently
// created.
win.addEventListener("resize", () => {
if (win.outerWidth == width && win.outerHeight == height) {
resolve();
}
});
win.resizeTo(width, height);
});
}
/**
* Tests the font size is correct for PiP windows
*/
add_task(async () => {
await SpecialPowers.pushPrefEnv({
set: [
[
"media.videocontrols.picture-in-picture.display-text-tracks.enabled",
true,
],
],
});
await BrowserTestUtils.withNewTab(
{
gBrowser,
url: TEST_PAGE_WITH_WEBVTT,
},
async browser => {
await prepareVideosAndWebVTTTracks(browser, videoID);
let pipWin = await triggerPictureInPicture(browser, videoID);
ok(pipWin, "Got Picture-in-Picture window.");
// move PiP window to 0, 0 so resizing the window doesn't go offscreen
pipWin.moveTo(0, 0);
let width = pipWin.innerWidth;
let height = pipWin.innerHeight;
await promiseResize(pipWin, Math.round(250 * (width / height)), 250);
width = pipWin.innerWidth;
height = pipWin.innerHeight;
let pipBrowser = pipWin.document.getElementById("browser");
let fontSize = await getFontSize(pipBrowser);
checkFontSize(
fontSize,
Math.round(height * 0.06 * 10) / 10,
"The medium font size is .06 of the PiP window height"
);
await ensureMessageAndClosePiP(browser, videoID, pipWin, false);
// change font size to small
await SpecialPowers.pushPrefEnv({
set: [[TEXT_TRACK_FONT_SIZE, "small"]],
});
pipWin = await triggerPictureInPicture(browser, videoID);
ok(pipWin, "Got Picture-in-Picture window.");
pipBrowser = pipWin.document.getElementById("browser");
fontSize = await getFontSize(pipBrowser);
checkFontSize(fontSize, 14, "The small font size is the minimum 14px");
await ensureMessageAndClosePiP(browser, videoID, pipWin, false);
// change font size to large
await SpecialPowers.pushPrefEnv({
set: [[TEXT_TRACK_FONT_SIZE, "large"]],
});
pipWin = await triggerPictureInPicture(browser, videoID);
ok(pipWin, "Got Picture-in-Picture window.");
pipBrowser = pipWin.document.getElementById("browser");
fontSize = await getFontSize(pipBrowser);
checkFontSize(
fontSize,
Math.round(height * 0.09 * 10) / 10,
"The large font size is .09 of the PiP window height"
);
// resize PiP window to a larger size
width = pipWin.innerWidth * 2;
height = pipWin.innerHeight * 2;
await promiseResize(pipWin, width, height);
fontSize = await getFontSize(pipBrowser);
checkFontSize(fontSize, 40, "The large font size is the max of 40px");
await ensureMessageAndClosePiP(browser, videoID, pipWin, false);
// change font size to small
await SpecialPowers.pushPrefEnv({
set: [[TEXT_TRACK_FONT_SIZE, "small"]],
});
pipWin = await triggerPictureInPicture(browser, videoID);
ok(pipWin, "Got Picture-in-Picture window.");
pipBrowser = pipWin.document.getElementById("browser");
fontSize = await getFontSize(pipBrowser);
checkFontSize(
fontSize,
Math.round(height * 0.03 * 10) / 10,
"The small font size is .03 of the PiP window height"
);
}
);
});
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