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voa enhance listen to write
// ==UserScript==
// @name Easy Voa Listen and write
// @namespace http://fengwang.org.cn
// @version 0.4
// @description voa enhance listen to write
// @author wangfeng
// @require http://code.jquery.com/jquery-1.9.1.js
// @require https://cdn.jsdelivr.net/jsdiff/1.4.0/diff.min.js
// @match http://www.easyvoa.com/*/*
// @match http://www.51voa.com/*/*
// @grant none
// ==/UserScript==
/* jshint -W097 */
'use strict';
/*
shortcut:
ctrl+c : 播放/暂停
ctrl+m : 标记播放起始位置
ctrl+z : 退回起始位置重新播放
ctrl+< : 回退5秒
ctrl+> : 快进5秒
ctrl+; : 慢速30%
ctrl+' : 快速30%
*/
window.JsDiff = JsDiff;
function addGlobalStyle(css) {
var head, style;
head = document.getElementsByTagName('head')[0];
if (!head) { return; }
style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
head.appendChild(style);
}
function displayShortCuts(){
var shortKeys = {
"ctrl+c" : "播放/暂停",
"ctrl+m" : "标记播放起始位置",
"ctrl+z" : "退回起始位置重新播放",
"ctrl+<" : "回退5秒",
"ctrl+>" : "快进5秒",
"ctrl+;" : "慢速30%",
"ctrl+'" : "快速30%"
};
var lis = [];
for(var k in shortKeys){
lis.push('<li>'+k+':'+shortKeys[k]+'</li>');
}
var html = '<div class="shortcut-wrapper"><h3>快捷键:</h3><ul>'+lis.join("\n")+'</ul></div>';
$('#playbar').after($(html));
}
function main(){
var page = 'easyvoa';
if(location.host == 'www.51voa.com'){
page='51voa';
}
if(page == 'easyvoa'){
var audioUrl = $('#playbar a').attr('href');
var contentParas = $('#content_main p');
}else if(page == '51voa'){
var audioUrl = $('#mp3').attr('href');
var contentParas = $('#content p');
}
if(!audioUrl) return;
addGlobalStyle('del { text-decoration: none; color: #b30000; background: #fadad7;} ins { background: #eaf2c2; color: #406619; text-decoration: none;} .enhance-toolbar-wrapper{max-width:800px;}');
$('#playbar').after($('<div class="enhance-toolbar-wrapper">'+
'<audio style="width:100%" controls="" src="'+audioUrl+'"></audio><textarea style="width:100%;height: 1000px;padding:12px;font-size:18px;"></textarea>'+
'<button id="btnTogglePara">查看原文</button></div>'+'<div class="diff-result" contenteditable="true" style="display:none;font-size:16px;line-height:1.5;white-space:pre-wrap;position:fixed;top:7px;right:7px;width:30%;background:white;height:100%;overflow-y:auto;"></div>'
));
displayShortCuts();
contentParas.toggle();
var audio=$('audio')[0];
var textarea = $('textarea');
var markTime = 0;
var span = 5;
var rateSpan = 0.3;
$('#content_top_ad').remove();
$("#btnTogglePara").click(function(){
$('.diff-result').show().html(JsDiff.convertChangesToXML(JsDiff.diffWords(textarea.val(),contentParas.text())));
contentParas.toggle();
});
$('body').keydown(function(e){
if(e.ctrlKey && e.keyCode == 67){
if(audio.paused){
audio.play();
}else{
audio.pause();
}
return false;
}else if(e.ctrlKey && e.keyCode == 77){
markTime = audio.currentTime
audio.pause();
return false;
}else if(e.ctrlKey && e.keyCode == 90){
audio.currentTime = markTime
audio.play();
return false;
}else if(e.ctrlKey && e.keyCode == 188){
audio.currentTime -= span;
audio.play();
return false;
}else if(e.ctrlKey && e.keyCode == 190){
audio.currentTime += span;
audio.play();
return false;
}else if(e.ctrlKey && e.keyCode == 186){
audio.playbackRate -= rateSpan;
audio.play();
return false;
}else if(e.ctrlKey && e.keyCode == 222){
audio.playbackRate += rateSpan;
audio.play();
return false;
}
});
}
main();