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audioPlayer.js
File metadata and controls
executable file
·531 lines (406 loc) · 18 KB
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/**
* Created by john on 03/06/15.
*/
var audioPlayer = {
playlist: {}, //保存播放列表
playListId: 0, //播放列表标识
songId: 0, //歌曲标识
navNodeId: 0, //导航节点标识
navNodes: {}, //保存导航节点
currentPlayList: null, //指示当前播放列表
player: document.querySelector('.player'), //播放器
playing: true, //播放状态
play_icon: document.querySelector('#navnode_5'), //播放按钮
prev_icon: document.querySelector('#navnode_4'), //上一手按钮
next_icon: document.querySelector('#navnode_6'), //下一首按钮
songList: [],
currentSong: null, //指示当前歌曲
currentSongDuration: 0, //当前歌曲长度
songDuration: 0,
currentPos: 0,
progressBar: document.querySelector('.ui-slider-range-min'),
indicator: document.querySelector('.ui-slider-handle'),
curTime: document.querySelector('.curTime'),
totalTime: document.querySelector('.totalTime'),
lyricHolder: document.querySelector('#lyricHolder'),
lyricRow: document.querySelector('#lyricHolder >li'),
lyric: [],
UP : 38,
LEFT: 37,
DOWN : 40,
RIGHT : 39,
ENTER : 13,
init: function audioPlayer_init(){
document.addEventListener('build',this.showlyric.bind(this));
// audioPlayer.prototype = new EventEmitter();
//init the song file
this.songInit();
//create a favor playlist to add favor song in.
var favorList = Object.create(PlayList);
favorList.set('name','favorList');
favorList.set('id',this.playListId++);
favorList.set('selector','#navnode_2');
favorList.set('list',[]);
this.playlist['favor'] = favorList;
for(var i = 0; i < this.songList.length; i++){
var song = this.songList[i];
if(song.favor > 0){
favorList.addSong(song);
}
}
//初始化当前播放列表为'默认'
this.currentPlayList = this.playlist['default'];
//display the default playlist's song to the main dom
this.rendDom();
//初始化左侧播放列表
this.playListInit();
//init the navNode
this.navNodeInit();
//
this.prev_icon.addEventListener('click',function(){this.playPrev()}.bind(this));
this.play_icon.addEventListener('click',function() {
if (this.playing) {
this.stop();
} else {
this.play(this.currentPlayList.getSong());
}
}.bind(this));
/*
* 事件注册区
* */
this.next_icon.addEventListener('click',function(){this.playNext()}.bind(this));
this.player.addEventListener('ended',function(){this.playNext()}.bind(this));
this.player.addEventListener('timeupdate',function(){this.updateProgressBar()}.bind(this));
//操作控制事件
document.addEventListener('keydown', this.keydownEventHandler.bind(this));
//添加播放列表和歌曲列表事件
for(var obj in this.navNodes){
var item = this.navNodes[obj];
if(item.type == 'playList'){
item.self.addEventListener('click', this.playListClick.bind(this));
}else if(item.type == 'middle'){
item.self.addEventListener('click', this.middleClick.bind(this));
}
}
},
/*
* init the Songs
* We may init this songList from file or sdcard in future.
* And the metadata also can parse by read the binary header from song file.
* */
songInit: function songList_init() {
//创建临时播放列表
var tempPlayList = Object.create(PlayList);
tempPlayList.set('name','defaultList');
tempPlayList.set('id',this.playListId++);
tempPlayList.set('selector','#navnode_1');
tempPlayList.set('list',[]);
//创建歌曲并添加到临时播放列表&排序 歌曲的来源可以通过扫描目录获得,歌曲的信息可以通过匹配歌曲文件二进制文件头获得
var song = new Song(this.songId++,'喜欢你','邓紫棋','喜欢你','2014','3:59','lyric/喜欢你.lrc','1','music/喜欢你.mp3','1','5','img/music/喜欢你.png');
tempPlayList.addSong(song);
this.songList.push(song);
song = new Song(this.songId++,'天边一朵云','声音碎片','把光芒洒向更开阔的地方','2008','5:41','lyric/天边一朵云.lrc','0','music/天边一朵云.mp3','1','5','img/music/天边一朵云.jpg');
tempPlayList.addSong(song);
this.songList.push(song);
song = new Song(this.songId++,'如果没有你','莫文蔚','如果没有你','2006','4:47','lyric/如果没有你.lrc','0','music/如果没有你.mp3','1','5','img/music/如果没有你.jpg');
tempPlayList.addSong(song);
this.songList.push(song);
song = new Song(this.songId++,'突然的自我','伍佰','伍佰力(2004 Live 生命热力)','2004','3:36','lyric/突然的自我.lrc','1','music/突然的自我.mp3','1','5','img/music/突然的自我.jpg');
tempPlayList.addSong(song);
this.songList.push(song);
song = new Song(this.songId++,'红豆','王菲','唱游','1998','4:20','lyric/红豆.lrc','0','music/红豆.mp3','1','5','img/music/红豆.jpg');
tempPlayList.addSong(song);
this.songList.push(song);
//将临时播放列表加入播放器播放列表中
this.playlist['default'] = tempPlayList;
//释放song
song = null;
},
/*
* 生成默认的播放列表的歌曲列
* 取得模板后复制\定制
* */
rendDom: function rend_dom(playList) {
var placeHolder = document.getElementById('songList'); //取得生成列表的位置
if(playList == null){
playList = this.playlist['default'];
}
var sonNode = document.querySelectorAll('.ui-reelList-row');
for(var i = 0 ; i < sonNode.length; i++){
var item = sonNode[i];
if(!item.classList.contains('hidden')){
placeHolder.removeChild(item);
}
}
var top = 0; //每行的高度 需要自增
for( var i = 0 ; i < playList.getLength(); i++){ //遍历播放列表
var cloneRow = document.getElementsByClassName('ui-reelList-row hidden')[0].cloneNode(true); //克隆骨架
cloneRow.classList.remove('hidden'); //去隐藏
cloneRow.style.top = top +'px'; //赋高
var song = playList.getSong(i); //取得当前歌曲对象
if(song.favor == 1){ //是否收藏
var obj = cloneRow.querySelector('.floatBtn-wrapper >a');
obj.classList.remove('favor');
obj.classList.add('red-heart');
}
cloneRow.classList.add('s' + song.id); //标识歌曲
cloneRow.querySelector('#songName_p >span').textContent = song.name ; //赋名
cloneRow.querySelector('#songName_p >span').id = 'song_name_' + song.id;
cloneRow.querySelector('#songAuthor_p').textContent = song.author; //赋作者
cloneRow.querySelector('#songAblum_p').textContent = '<' + song.ablum + '>'; ////赋专辑名
top += 31; //下一首高度
placeHolder.appendChild(cloneRow); //添加节点
}
},
playListInit: function init_playList() {
this.play(this.currentPlayList.getSong());
},
/*
* init the NavNodes
* */
navNodeInit: function navNode_init() {
//column1
var list_temp = new NavNode(this.navNodeId++, '#navnode_1', '默认播放列表','playList');
list_temp.self = document.querySelector(list_temp.selector);
this.navNodes[list_temp.selector] = list_temp;
var list_favor = new NavNode(this.navNodeId++, '#navnode_2', '收藏播放列表','playList');
list_favor.self = document.querySelector(list_favor.selector);
this.navNodes[list_favor.selector] = list_favor;
var addList = new NavNode(this.navNodeId++, '#navnode_3', '添加播放列表','playList');
addList.self = document.querySelector(addList.selector);
this.navNodes[addList.selector] = addList;
//footer
var play_icon_node = new NavNode(this.navNodeId++, '#navnode_5', '播放控制', 'footer', this.play_icon);
this.navNodes[play_icon_node.selector] = play_icon_node;
var prev_icon_node = new NavNode(this.navNodeId++, '#navnode_4', '播放控制', 'footer', this.prev_icon);
this.navNodes[prev_icon_node.selector] = prev_icon_node;
var next_icon_node = new NavNode(this.navNodeId++, '#navnode_6', '播放控制', 'footer', this.next_icon);
this.navNodes[next_icon_node.selector] = next_icon_node;
//middel-song
var middle_song_node = new NavNode(this.navNodeId++, '#navnode_7','歌曲列表','middle',document.querySelector('.ui-reelList-viewport'));
var middle_footer_node = new NavNode(this.navNodeId++, '#navnode_8','歌曲选择','middle',document.querySelector('.ui-reelList-footer'));
this.navNodes[middle_song_node.selector] = middle_song_node;
this.navNodes[middle_footer_node.selector] = middle_footer_node;
play_icon_node.left = prev_icon_node;
play_icon_node.right = next_icon_node;
play_icon_node.up = addList;
play_icon_node.down = list_temp;
prev_icon_node.left = next_icon_node;
prev_icon_node.right = play_icon_node;
prev_icon_node.up = addList;
prev_icon_node.down = list_temp;
next_icon_node.left = play_icon_node;
next_icon_node.right = prev_icon_node;
next_icon_node.up = addList;
next_icon_node.down = list_temp;
list_temp.down = list_favor;
list_temp.up = play_icon_node;
list_temp.right = middle_song_node;
list_temp.left = middle_song_node;
list_favor.down = addList;
list_favor.up = list_temp;
list_favor.right = middle_song_node;
list_favor.left = middle_song_node;
addList.up = list_favor;
addList.down = play_icon_node;
addList.right = middle_song_node;
addList.left = middle_song_node;
middle_song_node.up = middle_footer_node;
middle_song_node.down = middle_footer_node;
middle_song_node.right = list_temp;
middle_song_node.left = list_temp;
middle_footer_node.up = middle_song_node;
middle_footer_node.down = middle_song_node;
middle_footer_node.right = list_temp;
middle_footer_node.left = list_temp;
/* //column2
for(var i = 0; i < this.currentPlayList.getLength(); i++){
var song = this.currentPlayList.getSong(i);
var liItem = document.querySelector('.s' + song.id);
var checkbtn = liItem.querySelector('.ui-reelList-checkbox >span');
var checkbtn_node = new NavNode(this.navNodeId++,'.ui-reelList-checkbox >span','单选框', '歌曲列表',checkbtn);
var songbtn = liItem.querySelector('#song_name_' + song.id);
var songbtn_node = new NavNode(this.navNodeId++,'#song_name_' + song.id, '歌曲', '歌曲名',songbtn);
var favorbtn = liItem.querySelector('.floatBtn-wrapper >a');
var favorbtn_node = new NavNode(this.navNodeId++, '.floatBtn-wrapper >a', '红心','收藏',favorbtn);
}*/
var column2_node = new NavNode();
//footer
var footer_node = new NavNode();
},
/*
* 播放上一首
* */
playPrev: function play_prev_song() {
this.stop();
this.play(this.currentPlayList.getPrevSong());
},
/*
* 播放
* */
play: function play_song(song) {
if(!!song.src){
this.play_icon.parentNode.classList.remove("stop");
//his.updateSongInfoToPlayer();
document.querySelector('.album >img').src = song.photo;
document.querySelector('.album-name >span').textContent = '<' + song.ablum + '>';
document.querySelector('.songname').textContent = song.name + ' - ' + song.author;
document.querySelector('.s'+ song.id + ' >#songName_p').lastChild.classList.add('listen-icon-playing');
this.player.src = song.src;
this.playing = true;
this.songDuration = song.duration;
this.totalTime.textContent = song.duration;
this.progressBar.style.width = '0%';
this.indicator.style.left= '0%';
this.curTime.textContent = '00:00';
this.rendlyric(song);
this.currentPos = 0;
this.player.play();
}
},
/*
* 暂停
* */
stop: function stop_song() {
document.querySelector('.s'+this.currentPlayList.getCurrentSong().id+ ' >#songName_p').lastChild.classList.remove('listen-icon-playing');
this.currentSongDuration = this.player.currentTime; //keep current time
this.play_icon.parentNode.classList.add("stop");
this.playing = false;
this.player.pause();
},
/*
* 播放下一首歌
* */
playNext: function play_next_song() {
this.stop();
this.play(this.currentPlayList.getNextSong());
},
/*
* 更新歌曲信息
* */
updateSongInfoToPlayer: function update_song_info_to_player() {
},
/*
* 更新进度条
* */
updateProgressBar: function update_progress_bar(){
var curTime_f = this.player.currentTime;
var curTime = parseInt(curTime_f);
var s = (curTime %60);
var m = parseInt(curTime/60);
var totalTime = parseInt(this.player.duration);
var progressing = (curTime/ totalTime)*100 + "%";
this.progressBar.style.width = progressing;
this.indicator.style.left= progressing;
this.curTime.textContent = (m > 9 ? m : '0' + m) + ':' + (s > 9 ? s:'0'+s);
var pos = this.lyric[this.currentPos][0];
var cursor = pos/curTime_f;
if( cursor < 1.019){
console.log('->' +pos/curTime_f);
if(this.currentPos != 0 ){
document.querySelectorAll('#lyricHolder >li')[this.currentPos-1].classList.remove('ui-lrc-current');
}
document.querySelectorAll('#lyricHolder >li')[this.currentPos++].classList.add('ui-lrc-current');
if(this.currentPos > 9){
document.querySelector('#lrcWrap').style.top = (210 - 28*(this.currentPos-9)) + 'px';
}
}
},
/*
* get TIme format
* */
getTimeFormat: function get_time_format(){
var seconds = parseInt(this.songDuration);
var m = parseInt(seconds / 60);
var s = seconds % 60;
//console.log(seconds);
//var rs = (m > 9 ? m : '0'+ m )+ ':' + (s > 9 ? s : '0'+ s);
return m;
},
keydownEventHandler: function keydown_event_handler(evt){
var object = document.querySelector('.selected');
var navNode = this.navNodes['#'+object.id];
switch(evt.which){
case this.UP:
navNode.navUp();
break;
case this.DOWN:
navNode.navDown();
break;
case this.LEFT:
navNode.navLeft();
break;
case this.RIGHT:
navNode.navRight();
break;
case this.ENTER:
navNode.responseClick();
break;
default:
}
},
playListClick: function play_list_click(evt){
var list_temp = document.querySelector('#navnode_1');
var list_favor = document.querySelector('#navnode_2');
var addList = document.querySelector('#navnode_3');
var playingList = this.currentPlayList;
if(!evt.target.classList.contains('playing')){
for(var list in this.playlist){
this.playlist[list].updatePlayStatus(false);
}
if(evt.target.id == list_temp.id){
list_temp.classList.add('playing');
this.currentPlayList = this.playlist['default'];
this.rendDom(this.currentPlayList);
this.playListInit();
}else if(evt.target.id == list_favor.id){
list_favor.classList.add('playing');
this.currentPlayList = this.playlist['favor'];
this.rendDom(this.currentPlayList);
this.playListInit();
}
}
},
middleClick: function middle_click(){
},
rendlyric: function rend_lyric(song){
var lyric = new Lyric(song);
lyric.rendlyricArray();
},
showlyric: function show_lyric(evt){
var lyric = evt.data;
//console.log(lyric);
var lines = lyric.split(/\s{5,}/);
var temp = [];
this.lyricHolder.innerHTML = '';
document.querySelector('#lrcWrap').style.top = '210px';
this.lyric = [];
for( var i in lines){
var line = lines[i];
if(line != '' && line != null) {
var pattern = new RegExp(/(\[\d{2}:\d{2}\.\d{2}\])|(\D+)/g); //[00:00.00] xxxx -> ([00:00.00]) (xxxx)
var res = line.match(pattern);
if(res.length > 0){
var str = res[0].replace(/\[|\]/g,""); //[00:00.00] -> 00:00.00
var str = str.split(/:|\./);
var time = parseInt(str[0]*60) + parseInt(str[1]) + str[2]/100;
if(!isNaN(time)){
temp.push(time);
if(res.length == 1){
temp.push('');
}else{
temp.push(res[1]);
}
var row = this.lyricRow.cloneNode(true);
row.innerHTML = temp[1] == '' ? ' ' : temp[1];
this.lyricHolder.appendChild(row);
this.lyric.push(temp);
temp = [];
}
}
}
}
//console.log(this.lyric);
}
};
audioPlayer.init();