YouTube Mini Player

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

Bu betiği kurabilmeniz için Tampermonkey, Greasemonkey ya da Violentmonkey gibi bir kullanıcı betiği eklentisini kurmanız gerekmektedir.

Bu betiği yüklemek için Tampermonkey gibi bir uzantı yüklemeniz gerekir.

Bu betiği kurabilmeniz için Tampermonkey ya da Violentmonkey gibi bir kullanıcı betiği eklentisini kurmanız gerekmektedir.

Bu betiği kurabilmeniz için Tampermonkey ya da Userscripts gibi bir kullanıcı betiği eklentisini kurmanız gerekmektedir.

Bu betiği indirebilmeniz için ayrıca Tampermonkey gibi bir eklenti kurmanız gerekmektedir.

Bu komut dosyasını yüklemek için bir kullanıcı komut dosyası yöneticisi uzantısı yüklemeniz gerekecek.

(Zaten bir kullanıcı komut dosyası yöneticim var, kurmama izin verin!)

Bu stili yüklemek için Stylus gibi bir uzantı yüklemeniz gerekir.

Bu stili yüklemek için Stylus gibi bir uzantı kurmanız gerekir.

Bu stili yükleyebilmek için Stylus gibi bir uzantı yüklemeniz gerekir.

Bu stili yüklemek için bir kullanıcı stili yöneticisi uzantısı yüklemeniz gerekir.

Bu stili yüklemek için bir kullanıcı stili yöneticisi uzantısı kurmanız gerekir.

Bu stili yükleyebilmek için bir kullanıcı stili yöneticisi uzantısı yüklemeniz gerekir.

(Zateb bir user-style yöneticim var, yükleyeyim!)

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