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YouTube 聊天室管理

提供高亮訊息、封鎖用戶、編輯顏色名單與移除聊天室置頂功能。

目前為 2025-03-27 提交的版本，檢視 最新版本。

// ==UserScript==
// @name         YouTube 聊天室管理
// @namespace    http://tampermonkey.net/
// @version      9.1
// @description  提供高亮訊息、封鎖用戶、編輯顏色名單與移除聊天室置頂功能。
// @match        *://www.youtube.com/live_chat*
// @grant        none
// @license MIT
// ==/UserScript==

(function () {
    'use strict';

    // 常數定義
    const COLOR_OPTIONS = {
        "淺藍": "lightblue",
        "深藍": "blue",
        "淺綠": "palegreen",
        "綠色": "green",
        "淺紅": "lightcoral",
        "紅色": "red",
        "紫色": "purple",
        "金色": "gold"
    };

    const MENU_AUTO_CLOSE_DELAY = 8000; // 選單自動關閉時間
    const DUPLICATE_HIGHLIGHT_INTERVAL = 10000; // 重複訊息檢查間隔

    // 初始化設定
    let userColorSettings = loadSettings('userColorSettings', {});
    let keywordColorSettings = loadSettings('keywordColorSettings', {});
    let blockedUsers = loadSettings('blockedUsers', []);
    let currentMenu = null;
    let menuTimeoutId = null;
    let lastDuplicateHighlightTime = 0;

    const chatContainer = document.querySelector('#chat');

    // 防抖函數
    function debounce(func, wait) {
        let timeout;
        return function (...args) {
            clearTimeout(timeout);
            timeout = setTimeout(() => func.apply(this, args), wait);
        };
    }

    // 加載設定
    function loadSettings(key, defaultValue) {
        try {
            return JSON.parse(localStorage.getItem(key)) || defaultValue;
        } catch (error) {
            console.error(`Failed to load ${key}:`, error);
            return defaultValue;
        }
    }

    // 保存設定
    function saveSettings(key, value) {
        try {
            localStorage.setItem(key, JSON.stringify(value));
        } catch (error) {
            console.error(`Failed to save ${key}:`, error);
        }
    }

    // 高亮訊息
    function highlightMessages() {
        const messages = Array.from(chatContainer.querySelectorAll('yt-live-chat-text-message-renderer')).slice(-50);
        messages.forEach(msg => {
            const userName = msg.querySelector('#author-name').textContent.trim();
            const messageElement = msg.querySelector('#message');
            const messageText = messageElement.textContent.trim();

            // 重置訊息顏色
            messageElement.style.color = '';

            // 應用用戶顏色設定
            if (userColorSettings[userName]) {
                messageElement.style.color = userColorSettings[userName];
            }

            // 應用關鍵字顏色設定
            for (const [keyword, keywordColor] of Object.entries(keywordColorSettings)) {
                if (messageText.includes(keyword)) {
                    messageElement.style.color = keywordColor;
                }
            }
        });
    }

    // 標記重複訊息
    function markDuplicateMessages() {
        const currentTime = Date.now();
        if (currentTime - lastDuplicateHighlightTime < DUPLICATE_HIGHLIGHT_INTERVAL) return;
        lastDuplicateHighlightTime = currentTime;

        const messages = Array.from(chatContainer.querySelectorAll('yt-live-chat-text-message-renderer')).slice(-50);
        const messageMap = new Map();

        messages.forEach(msg => {
            const userName = msg.querySelector('#author-name').textContent.trim();
            const messageElement = msg.querySelector('#message');
            const messageText = messageElement.textContent.trim();
            const key = `${userName}: ${messageText}`;

            if (messageMap.has(key)) {
                messageElement.textContent = ''; // 清空重複訊息
            } else {
                messageMap.set(key, msg);
            }
        });
    }

    // 處理封鎖用戶
    function handleBlockedUsers() {
        const messages = Array.from(chatContainer.querySelectorAll('yt-live-chat-text-message-renderer')).slice(-50);
        messages.forEach(msg => {
            const userName = msg.querySelector('#author-name').textContent.trim();
            const messageElement = msg.querySelector('#message');
            if (blockedUsers.includes(userName)) {
                messageElement.textContent = ''; // 清空封鎖用戶的訊息
            }
        });
    }

    // 移除置頂訊息
    function removePinnedMessage() {
        const pinnedMessage = document.querySelector('yt-live-chat-banner-renderer');
        if (pinnedMessage) {
            pinnedMessage.style.display = 'none'; // 隱藏置頂訊息
        }
    }

    // 創建顏色選單
    function createColorMenu(targetElement, event) {
        if (currentMenu) {
            document.body.removeChild(currentMenu);
            clearTimeout(menuTimeoutId);
        }

        const menu = document.createElement('div');
        menu.style.position = 'fixed';
        menu.style.backgroundColor = 'white';
        menu.style.border = '1px solid black';
        menu.style.padding = '5px';
        menu.style.zIndex = 9999;
        menu.style.top = `${event.clientY}px`;
        menu.style.left = `${event.clientX}px`;
        menu.style.width = '200px';
        menu.style.boxShadow = '2px 2px 5px rgba(0, 0, 0, 0.2)';
        menu.style.borderRadius = '5px';

        menu.addEventListener('click', (e) => e.stopPropagation());

        const colorColumn = document.createElement('div');
        colorColumn.style.display = 'grid';
        colorColumn.style.gridTemplateColumns = 'repeat(4, 1fr)';
        colorColumn.style.gap = '5px';

        Object.entries(COLOR_OPTIONS).forEach(([colorName, colorValue]) => {
            const colorItem = document.createElement('div');
            colorItem.textContent = colorName;
            colorItem.style.cursor = 'pointer';
            colorItem.style.padding = '5px';
            colorItem.style.textAlign = 'center';
            colorItem.style.backgroundColor = colorValue;
            colorItem.style.borderRadius = '3px';
            colorItem.onclick = () => {
                if (targetElement.type === 'user') {
                    userColorSettings[targetElement.name] = colorValue;
                } else if (targetElement.type === 'keyword') {
                    keywordColorSettings[targetElement.keyword] = colorValue;
                }
                saveSettings('userColorSettings', userColorSettings);
                saveSettings('keywordColorSettings', keywordColorSettings);
                document.body.removeChild(menu);
                currentMenu = null;
            };
            colorColumn.appendChild(colorItem);
        });

        // 添加封鎖按鈕
        const blockButton = document.createElement('button');
        blockButton.textContent = '封鎖';
        blockButton.style.marginTop = '10px';
        blockButton.style.padding = '5px';
        blockButton.style.cursor = 'pointer';
        blockButton.onclick = () => {
            if (targetElement.type === 'user') {
                blockedUsers.push(targetElement.name);
                saveSettings('blockedUsers', blockedUsers);
            }
            document.body.removeChild(menu);
            currentMenu = null;
        };

        // 添加編輯按鈕
        const editButton = document.createElement('button');
        editButton.textContent = '編輯';
        editButton.style.marginTop = '5px';
        editButton.style.padding = '5px';
        editButton.style.cursor = 'pointer';
        editButton.onclick = () => {
            createEditMenu(event);
            document.body.removeChild(menu);
            currentMenu = null;
        };

        menu.appendChild(colorColumn);
        menu.appendChild(blockButton);
        menu.appendChild(editButton);
        document.body.appendChild(menu);
        currentMenu = menu;

        menuTimeoutId = setTimeout(() => {
            if (currentMenu) {
                document.body.removeChild(currentMenu);
                currentMenu = null;
            }
        }, MENU_AUTO_CLOSE_DELAY);
    }

    // 創建編輯選單
    function createEditMenu(event) {
        if (currentMenu) {
            document.body.removeChild(currentMenu);
            clearTimeout(menuTimeoutId);
        }

        const menu = document.createElement('div');
        menu.style.position = 'fixed';
        menu.style.backgroundColor = 'white';
        menu.style.border = '1px solid black';
        menu.style.padding = '5px';
        menu.style.zIndex = 9999;
        menu.style.top = `${event.clientY}px`;
        menu.style.left = `${event.clientX}px`;
        menu.style.width = 'auto'; // 寬度自動調整
        menu.style.maxWidth = '600px'; // 最大寬度
        menu.style.boxShadow = '2px 2px 5px rgba(0, 0, 0, 0.2)';
        menu.style.borderRadius = '5px';
        menu.style.display = 'flex';
        menu.style.flexDirection = 'column';
        menu.style.alignItems = 'flex-start'; // 向左對齊

        menu.addEventListener('click', (e) => e.stopPropagation());

        // 添加關閉按鈕
        const closeButton = document.createElement('button');
        closeButton.textContent = '關閉';
        closeButton.style.width = '100%';
        closeButton.style.padding = '5px';
        closeButton.style.cursor = 'pointer';
        closeButton.style.marginBottom = '10px';
        closeButton.onclick = () => {
            document.body.removeChild(menu);
            currentMenu = null;
        };
        menu.appendChild(closeButton);

        // 顯示被封鎖用戶名單
        const blockedUserList = document.createElement('div');
        blockedUserList.textContent = '封鎖用戶名單：';
        blockedUserList.style.display = 'flex';
        blockedUserList.style.flexWrap = 'wrap'; // 換行顯示
        blockedUserList.style.gap = '5px'; // 間距
        blockedUsers.forEach(user => {
            const userItem = document.createElement('div');
            userItem.textContent = user;
            userItem.style.cursor = 'pointer';
            userItem.style.padding = '5px';
            userItem.style.backgroundColor = '#f0f0f0';
            userItem.style.borderRadius = '3px';
            userItem.onclick = () => {
                blockedUsers = blockedUsers.filter(u => u !== user);
                saveSettings('blockedUsers', blockedUsers);
                userItem.remove(); // 移除該條目
            };
            blockedUserList.appendChild(userItem);
        });

        // 顯示關鍵字名單
        const keywordList = document.createElement('div');
        keywordList.textContent = '關鍵字名單：';
        keywordList.style.display = 'flex';
        keywordList.style.flexWrap = 'wrap'; // 換行顯示
        keywordList.style.gap = '5px'; // 間距
        Object.keys(keywordColorSettings).forEach(keyword => {
            const keywordItem = document.createElement('div');
            keywordItem.textContent = keyword;
            keywordItem.style.cursor = 'pointer';
            keywordItem.style.padding = '5px';
            keywordItem.style.backgroundColor = '#f0f0f0';
            keywordItem.style.borderRadius = '3px';
            keywordItem.onclick = () => {
                delete keywordColorSettings[keyword];
                saveSettings('keywordColorSettings', keywordColorSettings);
                keywordItem.remove(); // 移除該條目
            };
            keywordList.appendChild(keywordItem);
        });

        // 顯示被上色用戶名單
        const coloredUserList = document.createElement('div');
        coloredUserList.textContent = '被上色用戶名單：';
        coloredUserList.style.display = 'flex';
        coloredUserList.style.flexWrap = 'wrap'; // 換行顯示
        coloredUserList.style.gap = '5px'; // 間距
        Object.keys(userColorSettings).forEach(user => {
            const userItem = document.createElement('div');
            userItem.textContent = user;
            userItem.style.cursor = 'pointer';
            userItem.style.padding = '5px';
            userItem.style.backgroundColor = '#f0f0f0';
            userItem.style.borderRadius = '3px';
            userItem.onclick = () => {
                delete userColorSettings[user];
                saveSettings('userColorSettings', userColorSettings);
                userItem.remove(); // 移除該條目
            };
            coloredUserList.appendChild(userItem);
        });

        menu.appendChild(blockedUserList);
        menu.appendChild(keywordList);
        menu.appendChild(coloredUserList);
        document.body.appendChild(menu);
        currentMenu = menu;

        // 設置選單自動關閉
        menuTimeoutId = setTimeout(() => {
            if (currentMenu) {
                document.body.removeChild(currentMenu);
                currentMenu = null;
            }
        }, MENU_AUTO_CLOSE_DELAY);
    }

    // 點擊事件處理
    document.addEventListener('click', (event) => {
        if (currentMenu && !currentMenu.contains(event.target)) {
            document.body.removeChild(currentMenu);
            currentMenu = null;
        }

        if (event.target.id === 'author-name') {
            const userName = event.target.textContent.trim();
            createColorMenu({ type: 'user', name: userName }, event);
        } else {
            const selectedText = window.getSelection().toString();
            if (selectedText) {
                createColorMenu({ type: 'keyword', keyword: selectedText }, event);
            }
        }
    });

    // MutationObserver 監聽
    const observer = new MutationObserver(debounce(() => {
        highlightMessages();
        markDuplicateMessages();
        handleBlockedUsers();
        removePinnedMessage();
    }, 300));

    observer.observe(chatContainer, { childList: true, subtree: true });
})();

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