Twitch fullscreen with comments

Enter fullscreen mode with comments UI overlayed on the side with opacity

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Twitch fullscreen with comments
// @version      0.1
// @description  Enter fullscreen mode with comments UI overlayed on the side with opacity
// @author       SirMrDexter
// @match        https://www.twitch.tv/*
// @grant        none
// @namespace    https://greasyfork.org/en/users/445070-sirmrdexter
// ==/UserScript==

/*jshint esversion: 6 */

(function(history) {
    'use strict';
    // override history to fire event
    const pushState = history.pushState;
    history.pushState = function(state) {
        if (typeof history.onpushstate == "function") {
            history.onpushstate({state: state});
        }
        // ... whatever else you want to do
        // maybe call onhashchange e.handler
        return pushState.apply(history, arguments);
    };

    const appendCss = () => {
        const css = `.fullscreen-video-wrapper{
position: relative;
width: 100%;
height: 100%;
}
.fullscreen-video-wrapper .chat-room {
position: absolute;
right:0;
top:15%;
width: 300px !important;
opacity: 0.4;
height:50%;
transition: opacity .25s ease-in-out;
}
.fullscreen-video-wrapper .chat-room:hover {
opacity: 1;
}
`,
            head = document.head || document.getElementsByTagName('head')[0],
            style = document.createElement('style');

        head.appendChild(style);

        style.type = 'text/css';
        if (style.styleSheet){
            // This is required for IE8 and below.
            style.styleSheet.cssText = css;
        } else {
            style.appendChild(document.createTextNode(css));
        }
    };
    appendCss();

    let maxTries = 10;
    console.log('Twitch fullscreen with comments - enabled');

    let checkInterval = 0;
    const myWrapperDiv = document.createElement('div');
    myWrapperDiv.id = 'myWrapperDiv';
    myWrapperDiv.className = 'fullscreen-video-wrapper';
    let chatRoomPanel, chatRoomOrigParent;

    function initialize() {
        const videoContainer = document.querySelector('.persistent-player .video-player div.video-player__container');
        if (videoContainer && videoContainer.firstElementChild && (myWrapperDiv === videoContainer.firstElementChild || videoContainer.firstElementChild.tagName == 'VIDEO')) {
            clearInterval(checkInterval);
        } else {
            console.log('Stream not found!!!');
            if (maxTries-- === 0) {
                console.log('Done with retrying.');
                clearInterval(checkInterval);
            }
            // If elements don't match do nothing and wait.
            return;
        }
        console.log('Found stream applying mods');
        const videoEle = videoContainer.querySelector('video');
        const playerControls = document.querySelector('.tw-justify-content-end');
        const originalFullScreenButton = document.querySelector('.player-controls .tw-justify-content-end [data-a-target="player-fullscreen-button"]');
        var clonedFullScreenButton = originalFullScreenButton.cloneNode(true);
        originalFullScreenButton.parentElement.insertBefore(clonedFullScreenButton, originalFullScreenButton);
        clonedFullScreenButton.parentElement.removeChild(originalFullScreenButton);
        if (myWrapperDiv.parentElement !== videoContainer) {
            videoContainer.insertBefore(myWrapperDiv, videoEle);
        }
        myWrapperDiv.appendChild(videoEle);
        // Add fullscreen event
        clonedFullScreenButton.addEventListener('click', (event) => {
            myWrapperDiv.requestFullscreen().then((success)=> {
                console.log('Fullscreen activated');
            });
        });
        // swap chat panel on full screen
        chatRoomPanel = document.querySelector('.chat-room');
        chatRoomOrigParent = chatRoomPanel.parentElement;
    }

    document.addEventListener('fullscreenchange', (event) => {
        if (document.fullscreenElement) {
            myWrapperDiv.appendChild(chatRoomPanel);
            console.log('Moved chat into fullscreen');
        } else {
            chatRoomOrigParent.appendChild(chatRoomPanel);
            console.log('Moved chat out of fullscreen');
        }
    });

    checkInterval = setInterval(initialize, 1000);
    history.onpushstate = () => {
        clearInterval(checkInterval);
        maxTries = 10;
        checkInterval = setInterval(initialize, 1000);
    };
})(window.history);