pageHelper

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小工具
当前为 2020-07-22 提交的版本，查看最新版本。
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// ==UserScript==
// @name         pageHelper
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description 小工具
// @author       纯白约定
// @grant        纯白约定
// @include https://weread.qq.com/web/reader/*
// @require https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js

// ==/UserScript==
/* global $ */

// 发送右键
function sendRightKey(){
    if(!window.isEnabled){return null;}

    return fireKeyEvent(document,'keydown',39);
}

(function() {
    'use strict';

    window.$body = $('body')
    window.$document = $(document)

    window.scrollOffset = 0
    window.stepFlag = 1

    window.offsetStep = 2
    initElement(window.$body);
})();

// 开启循环任务
function startInterval(){
    if(window.timerScroll==null){
        window.timerScroll = setInterval(function(){
            const top = window.$document.scrollTop()

            if(top===0){window.stepFlag = 1}

            window.scrollOffset+=window.stepFlag*window.offsetStep
            window.$document.scrollTop(window.scrollOffset)

            // scroll后scrollTop不变,则可以切换scroll方向了
            if (top==window.$document.scrollTop()){window.stepFlag=-1}
        },100)
    }

    if(window.timerRight==null){
        window.timerRight = setInterval(function(){ fireKeyEvent(document,'keydown',39); },300000)
    }
}

// 关闭循环任务
function stopInterval(){
    if(window.timerScroll!=null){
        clearInterval(window.timerScroll)
        window.timerScroll=null
    }

    if(window.timerRight!=null){
        clearInterval(window.timerRight)
        window.timerRight=null
    }
}

// 根据开关情况处理循环任务
function handleInterval(isEnabled){
    if(isEnabled){
        startInterval()
        return
    }

    if(!isEnabled){
        stopInterval()
    }
}

window.isEnabled = false

function initElement($body){
    $body.append('<button id="switch" id="switch" style="position: fixed;top: 100px;right:100px;background-color:white;width:100px;height:50px;cursor:pointer;">已关闭</button>');

    $('#switch').on('click',function(){
        window.isEnabled = !window.isEnabled
        this.textContent = window.isEnabled ? "已开启" : "已关闭"
        handleInterval(window.isEnabled)
    })
}

// 模拟发送按键
function fireKeyEvent(el, evtType, keyCode) {
    var evtObj;
    if (document.createEvent) {
        if (window.KeyEvent) {//firefox 浏览器下模拟事件
            evtObj = document.createEvent('KeyEvents');
            evtObj.initKeyEvent(evtType, true, true, window, true, false, false, false, keyCode, 0);
        } else {//chrome 浏览器下模拟事件
            evtObj = document.createEvent('UIEvents');
            evtObj.initUIEvent(evtType, true, true, window, 1);

            delete evtObj.keyCode;
            if (typeof evtObj.keyCode === "undefined") {//为了模拟keycode
                Object.defineProperty(evtObj, "keyCode", { value: keyCode });
            } else {
                evtObj.key = String.fromCharCode(keyCode);
            }

            if (typeof evtObj.ctrlKey === 'undefined') {//为了模拟ctrl键
                Object.defineProperty(evtObj, "ctrlKey", { value: true });
            } else {
                evtObj.ctrlKey = true;
            }
        }
        el.dispatchEvent(evtObj);

    } else if (document.createEventObject) {//IE 浏览器下模拟事件
        evtObj = document.createEventObject();
        evtObj.keyCode = keyCode
        el.fireEvent('on' + evtType, evtObj);
    }
}