YouTube Mini Player

Youtube Mini Player. When you scroll down the mini player will appear.

Vous devrez installer une extension telle que Tampermonkey, Greasemonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Violentmonkey pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey ou Userscripts pour installer ce script.

Vous devrez installer une extension telle que Tampermonkey pour installer ce script.

Vous devrez installer une extension de gestionnaire de script utilisateur pour installer ce script.

(J'ai déjà un gestionnaire de scripts utilisateur, laissez-moi l'installer !)

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension telle que Stylus pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

Vous devrez installer une extension du gestionnaire de style pour utilisateur pour installer ce style.

(J'ai déjà un gestionnaire de style utilisateur, laissez-moi l'installer!)

// ==UserScript==
// @name         YouTube Mini Player
// @name:zh-CN   Youtube 小屏播放
// @namespace    http://tampermonkey.net/
// @version      2.4.4
// @license      MIT
// @description  Youtube Mini Player. When you scroll down the mini player will appear.
// @description:zh-CN   Youtube 小屏播放。当你向下滚动时,小屏播放器将会出现。
// @author       https://github.com/AkiyaKiko
// @homepage     https://github.com/AkiyaKiko/YouTubeMiniPlayer
// @match        https://www.youtube.com/*
// @match        https://m.youtube.com/*
// @icon         data:image/png;base64,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
// @run-at       document-end
// @grant        GM_addStyle
// @grant        GM_log
// ==/UserScript==

(function() {
    'use strict';

    if (window.top !== window.self) {
        return;
    }

    GM_log('🛠️ 脚本 "YouTube Mini Player (No Placeholder)" 开始执行');

    const miniPlayerClass = 'youtube-mini-player-active';
    let playerElement = null;
    let outerContainer = null;
    let innerContainer = null;
    let videoElement = null;
    let ivVideoContent = null;
    let bottomChrome = null;

    let originalOuterContainerStyle = null;
    let originalInnerContainerStyle = null;
    let originalVideoStyle = null;
    let originalIvContentStyle = null;

    let intersectionObserver = null;
    let observer = null;

    let isMiniPlayerActive = false;
    let lastUrl = location.href;
    let initializedUrl = null;

    let isDragging = false;
    let dragOffsetX = 0;
    let dragOffsetY = 0;
    let storedPlayerHeight = 0;

    function isFullscreen() {
        return !!document.fullscreenElement;
    }

    function minimizeOuterContainer() {
        if (!outerContainer || isMiniPlayerActive || isFullscreen()) {
            GM_log('🔽 不满足小窗条件,跳过。');
            return;
        }

        originalOuterContainerStyle = outerContainer.getAttribute('style');
        originalInnerContainerStyle = innerContainer?.getAttribute('style');
        originalVideoStyle = videoElement?.getAttribute('style');
        originalIvContentStyle = ivVideoContent?.getAttribute('style');

        storedPlayerHeight = playerElement.offsetHeight;
        GM_log(`📏 设置 #player 高度: ${storedPlayerHeight}px`);
        playerElement.style.height = `${storedPlayerHeight}px`;

        const floatingWidth = window.innerWidth / 5;
        const aspectRatio = outerContainer.offsetWidth / outerContainer.offsetHeight;
        const floatingHeight = floatingWidth / aspectRatio;
        const rightOffset = window.innerWidth * 0.03;
        const bottomOffset = window.innerHeight * 0.02;

        outerContainer.style.position = 'fixed';
        outerContainer.style.bottom = `${bottomOffset}px`;
        outerContainer.style.right = `${rightOffset}px`;
        outerContainer.style.left = 'auto';
        outerContainer.style.top = 'auto';
        outerContainer.style.width = `${floatingWidth}px`;
        outerContainer.style.height = `${floatingHeight}px`;
        outerContainer.style.zIndex = '3000';
        outerContainer.style.boxShadow = '2px 2px 5px rgba(0, 0, 0, 0.3)';
        outerContainer.style.minWidth = '0px';
        outerContainer.classList.add(miniPlayerClass);
        isMiniPlayerActive = true;

        if (innerContainer) {
            innerContainer.style.width = `${floatingWidth}px`;
            innerContainer.style.height = `${floatingHeight}px`;
            innerContainer.style.paddingTop = '0px';
        }
        if (bottomChrome) bottomChrome.style.display = 'none';
        if (videoElement) {
            videoElement.style.width = `${floatingWidth}px`;
            videoElement.style.height = `${floatingHeight}px`;
        }
        if (ivVideoContent) {
            ivVideoContent.style.width = `${floatingWidth}px`;
            ivVideoContent.style.height = `${floatingHeight}px`;
        }

        enableDragging();
    }

    function restoreOuterContainer() {
        if (!outerContainer || !isMiniPlayerActive || isFullscreen()) {
            GM_log('🔼 不满足恢复条件,跳过。');
            return;
        }

        outerContainer.setAttribute('style', originalOuterContainerStyle || '');
        outerContainer.classList.remove(miniPlayerClass);
        isMiniPlayerActive = false;

        if (playerElement) {
            playerElement.style.height = '';
            GM_log('🔁 恢复 #player 高度样式为空');
        }

        if (innerContainer) innerContainer.removeAttribute('style');
        if (bottomChrome) bottomChrome.style.display = '';
        if (videoElement) videoElement.setAttribute('style', originalVideoStyle || '');
        if (ivVideoContent) ivVideoContent.setAttribute('style', originalIvContentStyle || '');

        disableDragging();
    }

    function enableDragging() {
        if (!outerContainer) return;
        outerContainer.addEventListener('mousedown', onMouseDown);
    }

    function disableDragging() {
        if (!outerContainer) return;
        outerContainer.removeEventListener('mousedown', onMouseDown);
    }

    function onMouseDown(e) {
        if (!isMiniPlayerActive) return;
        isDragging = true;
        dragOffsetX = e.clientX - outerContainer.getBoundingClientRect().left;
        dragOffsetY = e.clientY - outerContainer.getBoundingClientRect().top;
        document.addEventListener('mousemove', onMouseMove);
        document.addEventListener('mouseup', onMouseUp);
        e.preventDefault();
    }

    function onMouseMove(e) {
        if (!isDragging) return;
        outerContainer.style.left = `${e.clientX - dragOffsetX}px`;
        outerContainer.style.top = `${e.clientY - dragOffsetY}px`;
        outerContainer.style.right = 'auto';
        outerContainer.style.bottom = 'auto';
    }

    function onMouseUp() {
        isDragging = false;
        document.removeEventListener('mousemove', onMouseMove);
        document.removeEventListener('mouseup', onMouseUp);
    }

    function observePlayerVisibility() {
        if (!playerElement) return;
        if (intersectionObserver) intersectionObserver.disconnect();

        intersectionObserver = new IntersectionObserver(entries => {
            entries.forEach(entry => {
                const playerRect = entry.boundingClientRect;
                if (playerRect.bottom < 0) {
                    if (!isFullscreen()) minimizeOuterContainer();
                } else {
                    restoreOuterContainer();
                }
            });
        }, { threshold: 0 });

        intersectionObserver.observe(playerElement);
    }

    function waitForElements() {
        if (!observer) {
            observer = new MutationObserver((mutations, obs) => {
                if (document.getElementById('player') &&
                    document.getElementById('player-container-outer') &&
                    document.getElementById('player-container-inner') &&
                    document.querySelector('video.video-stream.html5-main-video') &&
                    document.getElementById('contents')) {
                    obs.disconnect();
                    observer = null;
                    initialize();
                }
            });
            observer.observe(document.body, { childList: true, subtree: true });
        }
    }

    function handleResize() {
        if (outerContainer && outerContainer.classList.contains(miniPlayerClass)) {
            const floatingWidth = window.innerWidth / 5;
            const aspectRatio = outerContainer.offsetWidth / outerContainer.offsetHeight;
            const floatingHeight = floatingWidth / aspectRatio;
            const rightOffset = window.innerWidth * 0.03;
            const bottomOffset = window.innerHeight * 0.02;

            outerContainer.style.width = `${floatingWidth}px`;
            outerContainer.style.height = `${floatingHeight}px`;
            outerContainer.style.right = `${rightOffset}px`;
            outerContainer.style.bottom = `${bottomOffset}px`;
            outerContainer.style.left = 'auto';
            outerContainer.style.top = 'auto';

            if (innerContainer) {
                innerContainer.style.width = `${floatingWidth}px`;
                innerContainer.style.height = `${floatingHeight}px`;
            }
            if (videoElement) {
                videoElement.style.width = `${floatingWidth}px`;
                videoElement.style.height = `${floatingHeight}px`;
            }
            if (ivVideoContent) {
                ivVideoContent.style.width = `${floatingWidth}px`;
                ivVideoContent.style.height = `${floatingHeight}px`;
            }
        }
    }

    function cleanup() {
        if (intersectionObserver) {
            intersectionObserver.disconnect();
            intersectionObserver = null;
        }
        if (observer) {
            observer.disconnect();
            observer = null;
        }
        restoreOuterContainer();
        window.removeEventListener('resize', handleResize);
        playerElement = null;
        outerContainer = null;
        innerContainer = null;
        videoElement = null;
        ivVideoContent = null;
        bottomChrome = null;
        initializedUrl = null;
        isMiniPlayerActive = false;
        isDragging = false;
        storedPlayerHeight = 0;
    }

    function initialize() {
        playerElement = document.getElementById('player');
        outerContainer = document.getElementById('player-container-outer');
        innerContainer = document.getElementById('player-container-inner');
        videoElement = document.querySelector('video.video-stream.html5-main-video');
        ivVideoContent = document.querySelector('.ytp-iv-video-content');
        bottomChrome = document.querySelector('.ytp-chrome-bottom');

        if (playerElement && outerContainer && innerContainer && videoElement) {
            observePlayerVisibility();
            window.addEventListener('resize', handleResize);
            if (observer) {
                observer.disconnect();
                observer = null;
            }
            isMiniPlayerActive = false;

            const rect = playerElement.getBoundingClientRect();
            if (rect.bottom < 0) minimizeOuterContainer();
            else restoreOuterContainer();

            initializedUrl = location.href;
        } else {
            waitForElements();
        }
    }

    function checkUrlAndInitialize() {
        if (location.pathname.startsWith('/watch')) {
            if (location.href !== initializedUrl) {
                cleanup();
                setTimeout(() => initialize(), 500);
            }
        } else {
            cleanup();
        }
    }

    function startUrlWatcher() {
        setInterval(() => {
            if (location.href !== lastUrl) {
                lastUrl = location.href;
                checkUrlAndInitialize();
            }
        }, 300);
    }

    function start() {
        checkUrlAndInitialize();
        startUrlWatcher();
    }

    if (document.readyState === 'complete' || document.readyState === 'interactive') {
        start();
    } else {
        document.addEventListener('DOMContentLoaded', start);
    }

    GM_addStyle(`
        .${miniPlayerClass} {
            transition: width 0.3s ease, height 0.3s ease, right 0.3s ease, bottom 0.3s ease, top 0.3s ease, left 0.3s ease;
            cursor: move;
        }
    `);
})();