ACT.YouTube.DM.PiP-button

Add a PiP button to the player to easy enter Picture-in-Picture mode.

Dovrai installare un'estensione come Tampermonkey, Greasemonkey o Violentmonkey per installare questo script.

You will need to install an extension such as Tampermonkey to install this script.

Dovrai installare un'estensione come Tampermonkey o Violentmonkey per installare questo script.

Dovrai installare un'estensione come Tampermonkey o Userscripts per installare questo script.

Dovrai installare un'estensione come ad esempio Tampermonkey per installare questo script.

Dovrai installare un gestore di script utente per installare questo script.

(Ho già un gestore di script utente, lasciamelo installare!)

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione come ad esempio Stylus per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

Dovrai installare un'estensione per la gestione degli stili utente per installare questo stile.

(Ho già un gestore di stile utente, lasciamelo installare!)

// ==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 });
})();