☰

Douyin live stream optimization（优化网页）

自动检测特定元素并刷新页面，同时优化观看体验，删除多余元素并点击提升画质

// ==UserScript==
// @name         Douyin live stream optimization（优化网页）
// @namespace    http://tampermonkey.net/
// @version      1.0.5
// @description  自动检测特定元素并刷新页面，同时优化观看体验，删除多余元素并点击提升画质
// @match        https://*.douyin.com/*
// @grant        none
// @license      MIT
// @run-at       document-idle
// ==/UserScript==

(function () {
    'use strict';

    /** ==================== 工具函数定义 ==================== */

    function simulateBKeyPress() {
        try {
            const event = new KeyboardEvent('keydown', {
                key: 'b',
                code: 'KeyB',
                keyCode: 66,
                which: 66,
                bubbles: true
            });
            document.dispatchEvent(event);
            console.log('[优化] 模拟按下 B 键');
        } catch (e) {
            console.warn('[异常] 模拟按键失败:', e);
        }
    }

    function clickButton() {
        try {
            const button = document.querySelector('.psKR9RS0 .WoNKVQmY.Z20k_Nsy');
            if (button) {
                button.click();
                console.log('[优化] 画质按钮已点击');
            } else {
                console.log('[优化] 未找到画质按钮');
            }
        } catch (e) {
            console.warn('[异常] 点击画质按钮失败:', e);
        }
    }

    let hasClickedButton2 = false;
    function clickButton_2() {
        if (hasClickedButton2) return;
        try {
            const button = document.querySelector('.xMYYJi25');
            if (button) {
                button.click();
                console.log('[优化 清晰度] 按钮已点击');
                hasClickedButton2 = true;
            } else {
                console.log('[优化 清晰度] 按钮未找到');
            }
        } catch (e) {
            console.warn('[异常] 点击清晰度按钮失败:', e);
        }
    }

    function clickCloseGiftEffect() {
        try {
            const toggle = document.querySelector('[data-e2e="effect-switch"]');
            if (toggle) {
                toggle.click();
                console.log('[优化] 已点击“屏蔽礼物特效”开关');
            } else {
                console.log('[优化] 未找到“屏蔽礼物特效”开关');
            }
        } catch (e) {
            console.warn('[异常] 点击关闭礼物特效失败:', e);
        }
    }

    function removeElement(selector, message) {
        try {
            const element = document.querySelector(selector);
            if (element) {
                element.remove();
                console.log(`[优化] ${message} 已删除`);
            } else {
                console.log(`[优化] 未找到 ${message}`);
            }
        } catch (e) {
            console.warn(`[异常] 删除 ${message} 失败:`, e);
        }
    }

    function removeSpecialContent() {
        try {
            document.querySelectorAll('div._192Y0el > div.ljM5iqdR').forEach(e => e.remove());
            console.log('[优化] 礼物删除成功~');
            removeElement('.mDjtvQMS.GiftEffectPlugin', '礼物特效元素');
            removeElement('.aqK_4_5U.R7IW3rpb', '礼物栏');
            removeElement('.NMfqnFm5', '礼物特效元素');
        } catch (e) {
            console.warn('[异常] 删除礼物内容失败:', e);
        }
    }

    function clickNewElement() {
        try {
            const newElement = document.querySelector('.D7UhJyco');
            if (newElement) {
                newElement.click();
                console.log('[优化] 画质切换成功~');
            } else {
                console.log('[优化] 未找到新的指定元素');
            }
        } catch (e) {
            console.warn('[异常] 点击新的画质按钮失败:', e);
        }
    }

    function runOptimization() {
        simulateBKeyPress();
        clickButton();
        clickButton_2();
        removeSpecialContent();
        clickNewElement();
        clickCloseGiftEffect();
    }

    /** ==================== 轮询检测并删除._D4WLewc.GDP2iTsQ，删除后点击.xJMJ5DRo ==================== */
    let notFoundCount = 0;
    const maxMisses = 3;

    const optimizationInterval = setInterval(() => {
        const targetElement = document.querySelector('._D4WLewc.GDP2iTsQ');
        if (targetElement) {
            targetElement.remove();
            console.log('[轮询] 删除 ._D4WLewc.GDP2iTsQ');

            const clickElem = document.querySelector('.xJMJ5DRo');
            if (clickElem) {
                clickElem.click();
                console.log('[轮询] 点击 .xJMJ5DRo');
                simulateBKeyPress();
            }
            notFoundCount = 0;
        } else {
            notFoundCount++;
            console.log(`[轮询] 第 ${notFoundCount} 次未检测到`);
            if (notFoundCount >= maxMisses) {
                console.log(`[轮询] 连续 ${maxMisses} 次未检测到，停止轮询`);
                clearInterval(optimizationInterval);
            }
        }
    }, 3000);

    /** ==================== 修改后的 无限轮询（最多10次）==================== */
    let refreshCount = 0;
    const maxRefreshCount = 10;

    const refreshInterval = setInterval(() => {
        refreshCount++;
        const blockElement = document.querySelector('.ej6cQnWN');
        const refreshTarget = document.querySelector('.CkKPEcld');

        if (blockElement) {
            console.log('[刷新检测] 检测到 .ej6cQnWN，停止刷新轮询');
            clearInterval(refreshInterval);
        } else if (refreshTarget) {
            console.log('[刷新检测] 检测到 .CkKPEcld，刷新页面');
            clearInterval(refreshInterval);
            location.reload();
        } else {
            console.log('[刷新检测] 未检测到关键元素，继续轮询...');
        }

        if (refreshCount >= maxRefreshCount) {
            console.log(`[刷新检测] 已达最大轮询次数 ${maxRefreshCount}，停止轮询`);
            clearInterval(refreshInterval);
        }
    }, 3000);

    /** ==================== 页面加载后延迟任务（5 秒执行） ==================== */
    setTimeout(() => {
        runOptimization();
    }, 5000);

    /** ==================== 重复性任务（最多执行 10 次） ==================== */
    let counter = 0;
    const maxTries = 10;
    const interval = setInterval(() => {
        removeElement('.LE4P00KT', '优化元素 LE4P00KT');
        clickNewElement();
        counter++;
        if (counter >= maxTries) clearInterval(interval);
    }, 1000);

})();