// ==UserScript==
// @name CleanReader
// @namespace https://greasyfork.org/zh-CN/users/141921
// @version 0.4.1
// @description 启用后，自动进入简洁阅读模式。
// @author Vinx
// @match
// @require https://cdn.bootcss.com/jquery/2.2.4/jquery.min.js
// @require https://greasyfork.org/scripts/38955-jquery-print/code/jQueryprint.js?version=254772
// @include *
// @grant GM_addStyle
// @run-at document-end
// @note 2021.05.08-V0.4.1 修正开源中国显示
// @note 2021.05.08-V0.4.0 修复了CSDN显示问题，整理代码
// @note 2018.11.07-V0.3.3 修复了CSDN打印的问题，添加OSChina等网站
// @note 2018.03.18-V0.3.2 添加放大缩小按钮，并支持按键缩放（+/= :放大，- :缩小）
// @note 2018.03.18-V0.3.1 添加ESC退出阅读模式功能
// @note 2018.03.15-V0.3.0 添加对Discuz论坛的支持，修改标题和内容居中显示
// @note 2018.02.28-V0.2.0 不在自动进入，添加了阅读及打印按钮
// @note 2017.07.19-V0.1.0 首次发布，启用后，自动进入简洁阅读模式。
// ==/UserScript==
var contents = {
'blog.csdn.net': {
'title': ".title-article|.csdn_top",
'content': ".article_content"
},
'www.cnblogs.com': {
'title': "#cb_post_title_url",
'content': "#cnblogs_post_body"
},
'blog.sina.com.cn': {
'title': ".articalTitle",
'content': ".articalContent"
},
'bbs.fishc.com': {
'title': "#thread_subject",
'content': "[id^='postmessage_']:first"
},
'www.liaoxuefeng.com': {
'title': ".x-content h4",
'content': ".x-main-content"
},
'blog.163.com': {
'title': ".title.pre.fs1",
'content': ".bct.fc05.fc11.nbw-blog.ztag"
},
'www.runoob.com': {
'title': ".article-intro h1:first",
'content': ".article-body"
},
'lib.uml.com.cn': {
'title': ".arttitle",
'content': ".artcontent"
},
'bbs.pediy.com': {
'title': ".break-all.subject",
'content': ".message.break-all:first"
},
'oschina.net': {
'title': ".article-box__title",
'content': ".article-detail .content"
},
'www.oschina.net': {
'title': ".article-box__title",
'content': ".article-detail .content"
},
'my.oschina.net': {
'title': ".article-box__title",
'content': ".article-detail .content"
},
'kns.cnki.net': {
'title': "",
'content': ".content"
}
};
(function () {
'use strict';
var J;
if (typeof jQuery != 'undefined') { //避免与原网页中的Jquery冲突
J = jQuery.noConflict(true);
}
AddTemplateSite();
if (!IsContentPage()) return;
// 添加样式表
addStyle();
// 保存样式
var html_height = J("html").css("height");
var body_width = J("body").css("width");
var body_height = J("body").css("height");
var body_min_width = J("body").css("min_width");
var body_min_height = J("body").css("min_height");
var body_background = J("body").css("background");
var body_text_align = J("body").css("text-align");
var body_margin = J("body").css("margin");
var body_padding = J("body").css("padding");
var body_overflow_y = J("body").css("overflow-y");
// 创建阅读按钮
createReadButton();
// 创建打印按钮
createPrintButton();
// 创建缩小按钮
createZoomOutButton();
// 创建放大按钮
createZoomInButton();
keyEventHandler();
function addStyle() {
J("head").append('<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.css">');
GM_addStyle(`
#read_button, #print_button, #zoom_out_button, #zoom_in_button{
width: 24px;
height: 24px;
z-index: 999999;
cursor: pointer;
position: fixed;
margin: 0 auto;
color: #0593d3;
font-size: 24px;
}
#read_button{
right: 32px;
bottom: 32px;
}
#print_button {
right: 32px;
bottom: 64px;
}
#zoom_out_button {
right: 32px;
bottom: 96px;
}
#zoom_in_button {
right: 32px;
bottom: 128px;
}
@media print{
body{
min-width:1000px;
}
pre{
word-break: break-word;
white-space: pre-wrap;
}
#read_button, #print_button, #zoom_in_button ,#zoom_out_button{
display: none;
}
}
`);
}
// 创建阅读按钮
function createReadButton() {
var read_button = document.createElement("div");
J(read_button).attr("class", "fa fa-book fa-2");
J(read_button).attr("id", "read_button");
J("body").prepend(read_button);
J("#read_button").click(function () {
var isShow = J(read_button).attr("userdata");
if (isShow == "true") {
exitCleanRead();
J("#print_button").hide();
J("#zoom_in_button").hide();
J("#zoom_out_button").hide();
}
else {
enterCleanRead();
J("#read_button").show();
J("#print_button").show();
J("#zoom_in_button").show();
J("#zoom_out_button").show();
}
});
}
// 创建打印按钮
function createPrintButton() {
var print_button = document.createElement("div");
J(print_button).attr("class", "fa fa-print fa-2");
J(print_button).attr("id", "print_button");
J("body").prepend(print_button);
J("#print_button").hide();
J("#print_button").click(function () {
J("#CleanReader").print({
globalStyles: true,
mediaPrint: false,
stylesheet: null,
noPrintSelector: ".no-print",
iframe: true,
append: null,
prepend: null,
manuallyCopyFormValues: true,
deferred: J.Deferred()
});
});
}
// 创建缩小按钮
function createZoomOutButton() {
var zoom_out_button = document.createElement("div");
J(zoom_out_button).attr("class", "fa fa-search-minus fa-2");
J(zoom_out_button).attr("id", "zoom_out_button");
J("body").prepend(zoom_out_button);
J("#zoom_out_button").hide();
J("#zoom_out_button").click(function () {
var zoom = J("#CleanReader").css("zoom");
zoom = parseFloat(zoom);
zoom = zoom - 0.1;
if (zoom <= 0) zoom = 0.1;
J("#CleanReader").css("zoom", zoom);
});
}
// 创建放大按钮
function createZoomInButton() {
var zoom_in_button = document.createElement("div");
J(zoom_in_button).attr("class", "fa fa-search-plus fa-2");
J(zoom_in_button).attr("id", "zoom_in_button");
J("body").prepend(zoom_in_button);
J("#zoom_in_button").hide();
J("#zoom_in_button").click(function () {
var zoom = J("#CleanReader").css("zoom");
zoom = parseFloat(zoom);
zoom = zoom + 0.1;
J("#CleanReader").css("zoom", zoom);
});
}
// 按键事件处理
function keyEventHandler() {
//ESC退出
J(document).keyup(function () {
var isShow = J("#read_button").attr("userdata");
if (event.keyCode == 27 && isShow == "true") {
exitCleanRead();
J("#print_button").hide();
J("#zoom_in_button").hide();
J("#zoom_out_button").hide();
}
});
// + - 放大缩小
J(document).keydown(function () {
var zoom = 1;
var isShow = J("#read_button").attr("userdata");
if (event.keyCode == 107 || event.keyCode == 187) {
zoom = J("#CleanReader").css("zoom");
zoom = parseFloat(zoom);
zoom = zoom + 0.1;
J("#CleanReader").css("zoom", zoom);
}
else if (event.keyCode == 109 || event.keyCode == 189) {
zoom = J("#CleanReader").css("zoom");
zoom = parseFloat(zoom);
zoom = zoom - 0.1;
if (zoom <= 0) zoom = 0.1;
J("#CleanReader").css("zoom", zoom);
}
});
}
// 判断是否为内容页
function IsContentPage() {
if (!contents.hasOwnProperty(window.location.host)) return false;
var isContentPage = false;
var tmp1 = contents[window.location.host].content.split("|");
for (var i = 0; i < tmp1.length; i++) {
if (J(tmp1[i]).length > 0) {
isContentPage = true;
break;
}
}
if (!isContentPage) return false;
return true;
}
function AddTemplateSite() {
var jsonstr = {};
//Discuz
if (J("meta[name='generator'][content]").length > 0 && J("meta[name='generator'][content]").attr("content").indexOf("Discuz") >= 0) {
jsonstr.title = "#thread_subject";
jsonstr.content = "[id^='postmessage_']:first|.pattl";
contents[window.location.host] = jsonstr;
}
}
// 进入阅读模式
function enterCleanRead() {
var hostName = window.location.host;
J("html").css("height", "100%");
J("body").css("height", "100%");
J("body").css("background", "#ffffff");
J("body").css("text-align", "left");
J("body").css("margin", "0 0");
J("body").css("padding", "0 0");
J("body").css("overflow-y", "hidden");
var CleanReader = document.createElement("div");
J(CleanReader).attr("style", "background-color: rgb(255, 255, 255);"
+ "width: 1000px;"
+ "margin: 0px auto;"
+ "padding: 0px 20px;")
J(CleanReader).attr("id", "CleanReader");
// 标题节点
var titleSelectors = contents[hostName].title.split("|");
var titleText;
for (var i = 0; i < titleSelectors.length; i++) {
if (J(titleSelectors[i]).length > 0) {
titleText = J(titleSelectors[i]).text();
break;
}
}
var title = document.createElement("div");
J(title).html(titleText);
J(title).attr("style", "font-size: 32px;"
+ "margin: 0px auto;"
+ "padding: 10px 0px;"
+ "text-align: center;")
J(CleanReader).append(title);
J(CleanReader).append("<hr/>");
// 正文节点
var textSelectors = contents[hostName].content.split("|");
for (var j = 0; j < textSelectors.length; j++) {
J(CleanReader).append(J(textSelectors[j]).clone());
}
J(CleanReader).children().css("margin", "0px auto");
// 黑色遮罩
var mask = document.createElement("div");
J(mask).attr("style", "height: 100%;"
+ "width: 100%;"
+ "background-color: rgba(0, 0, 0, 0.9);"
+ "z-index: 999997;"
+ "position: fixed;"
+ "left: 0;"
+ "top: 0;"
+ "margin: 0px auto;"
+ "overflow-y: auto;");
J(mask).attr("id", "CleanReadermask");
J(mask).append(CleanReader);
J("body").css("overflow-y", "hidden");
J("body").prepend(mask);
var image = J(CleanReader).find("img");
for (var k = 0; k < image.length; k++) {
J(image[k]).css("max-width", "90%");
J(image[k]).css("height", "auto");
}
J("#read_button").attr("userdata", "true");
}
// 退出阅读模式
function exitCleanRead() {
J("#CleanReadermask").remove();
J("html").css("height", html_height);
J("body").css("width", body_width);
J("body").css("height", body_height);
J("body").css("min_width", body_min_width);
J("body").css("min_height", body_min_height);
J("body").css("background", body_background);
J("body").css("text-align", body_text_align);
J("body").css("margin", body_margin);
J("body").css("padding", body_padding);
J("body").css("overflow-y", body_overflow_y);
J("#read_button").attr("userdata", "");
}
})();
