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Add a PiP button to the player to easy enter Picture-in-Picture mode.
// ==UserScript==
// @name ACT.YouTube.DM.PiP-button
// @name:zh-CN ACT.YouTube.DM.画中画按钮
// @description Add a PiP button to the player to easy enter Picture-in-Picture mode.
// @description:zh-CN 为播放器添加画中画按钮，轻松进入画中画模式。
// @author ACTCD
// @version 20221105.1
// @license GPL-3.0-or-later
// @namespace ACTCD/Userscripts
// @supportURL https://github.com/ACTCD/Userscripts
// @homepageURL https://github.com/ACTCD/Userscripts
// @match *://*.youtube.com/*
// @grant none
// @inject-into content
// @run-at document-start
// ==/UserScript==
(function () {
"use strict";
if (!document.pictureInPictureEnabled) {
console.log("Your browser cannot use picture-in-picture right now");
return;
}
// Create PiP Button
const pip_button = document.createElement("button");
pip_button.title = "Picture-in-Picture";
const svg = document.createElement("svg");
svg.setAttribute("width", "100%");
svg.setAttribute("height", "100%");
svg.setAttribute("viewBox", "-8 -6 36 36");
const path = document.createElement("path");
const path1 =
"M2.5,17A1.5,1.5,0,0,1,1,15.5v-9A1.5,1.5,0,0,1,2.5,5h13A1.5,1.5,0,0,1,17,6.5V10h1V6.5A2.5,2.5,0,0,0,15.5,4H2.5A2.5,2.5,0,0,0,0,6.5v9A2.5,2.5,0,0,0,2.5,18H7V17Z M18.5,11h-8A2.5,2.5,0,0,0,8,13.5v5A2.5,2.5,0,0,0,10.5,21h8A2.5,2.5,0,0,0,21,18.5v-5A2.5,2.5,0,0,0,18.5,11Z";
const path2 =
"M18.5,11H18v1h.5A1.5,1.5,0,0,1,20,13.5v5A1.5,1.5,0,0,1,18.5,20h-8A1.5,1.5,0,0,1,9,18.5V18H8v.5A2.5,2.5,0,0,0,10.5,21h8A2.5,2.5,0,0,0,21,18.5v-5A2.5,2.5,0,0,0,18.5,11Z M14.5,4H2.5A2.5,2.5,0,0,0,0,6.5v8A2.5,2.5,0,0,0,2.5,17h12A2.5,2.5,0,0,0,17,14.5v-8A2.5,2.5,0,0,0,14.5,4Z";
path.setAttribute("fill", "#fff");
svg.append(path);
if (location.hostname == "m.youtube.com") {
pip_button.style.setProperty("position", "absolute");
pip_button.style.setProperty("z-index", "100");
pip_button.style.setProperty("top", "0px");
pip_button.style.setProperty("left", "4px");
svg.setAttribute("width", "42px");
} else {
pip_button.className = "ytp-button";
path.id = "ACT_PiP_Path";
const use = document.createElement("use");
use.className = "ytp-svg-shadow";
use.setAttribute("href", "#" + path.id);
path.before(use);
}
pip_button.addEventListener(
"click",
(event) => {
const video = document.querySelector("video[src]");
if (!video) return;
if (video.webkitPresentationMode === undefined) {
if (document.pictureInPictureElement) {
document.exitPictureInPicture();
} else {
video.requestPictureInPicture();
}
} else {
if (video.webkitPresentationMode != "inline") {
video.webkitSetPresentationMode("inline");
} else {
video.webkitSetPresentationMode("picture-in-picture");
}
}
event.preventDefault();
event.stopImmediatePropagation();
},
true,
);
const pip_button_act = (pathx) => {
path.setAttribute("d", pathx);
pip_button.innerHTML = svg.outerHTML;
};
pip_button_act(path1);
// Insert PiP Button (desktop) // Fixed once for unreliable @run-at document-start
document.querySelector(".ytp-miniplayer-button")?.before(pip_button);
// Video element initialization
const enterpictureinpicture = (e) => pip_button_act(path2);
const leavepictureinpicture = (e) => pip_button_act(path1);
const webkitpresentationmodechanged = (event) => {
event.target.webkitPresentationMode == "picture-in-picture"
? (pip_button_act(path2), event.stopImmediatePropagation())
: pip_button_act(path1);
};
const pip_init = (video) => {
if (!video || video.nodeName != "VIDEO" || !video.hasAttribute("src"))
return;
if (video.webkitPresentationMode === undefined) {
video.addEventListener("enterpictureinpicture", enterpictureinpicture);
video.addEventListener("leavepictureinpicture", leavepictureinpicture);
} else {
video.addEventListener(
"webkitpresentationmodechanged",
webkitpresentationmodechanged,
true,
);
}
};
pip_init(document.querySelector("video[src]"));
// Dynamic adjustment
new MutationObserver((mutationList) => {
mutationList.forEach((mutation) => {
if (mutation.type == "childList") {
mutation.addedNodes.forEach((node) => {
if (node.nodeType != Node.ELEMENT_NODE) return;
node.nodeName == "VIDEO" && pip_init(node);
node.classList.contains("ytp-miniplayer-button") &&
node.before(pip_button); // Insert PiP Button (desktop)
});
mutation.removedNodes.forEach((node) => {
if (node.nodeType != Node.ELEMENT_NODE) return;
node.classList.contains("ytp-miniplayer-button") &&
pip_button.remove();
node.id == "player-control-overlay" && pip_button.remove();
});
}
if (mutation.type == "attributes") {
mutation.target.nodeName == "VIDEO" &&
mutation.attributeName == "src" &&
pip_init(mutation.target);
if (
mutation.target.id == "player-control-overlay" &&
mutation.attributeName == "class"
) {
// Insert PiP Button (mobile)
mutation.target.classList.contains("fadein")
? document.querySelector("#player")?.append(pip_button)
: pip_button.remove();
}
if (
mutation.attributeName == "class" &&
mutation.target ==
document.querySelector(".player-controls-top")?.parentNode
) {
mutation.target.classList.contains("player-controls-hide")
? pip_button.remove()
: document
.querySelector("#player-control-overlay")
?.classList.contains("fadein") &&
document.querySelector("#player")?.append(pip_button);
}
if (
mutation.target.id == "player" &&
mutation.attributeName == "hidden"
) {
mutation.target.hasAttribute("hidden") &&
(pip_button.remove(), document.exitPictureInPicture());
}
}
});
}).observe(document, { subtree: true, childList: true, attributes: true });
})();