/*==================================================================================

mp3 音乐文件，加载、播放；播放控制条实现

===================================================================================*/

var mp3 = new Object();
mp3.load = function(url, target) {
	
	//delete target.onEnterFrame
	//this.sound.stop()
	//delete this.sound

	this.target = target;
	this.sound = new Sound(target);
	this.sound.loadSound(url,true);
	
	//this.sound.onLoad 首次加载有效，以后读取缓存失效；
	//读取缓存解决见 ctr.seekBarLoaded_mc.onEnterFrame
	
	/*
	this.sound.onLoad = function(success) {
		if (success) {
			if(ctr.status=="PLAY" && mp3.target.onEnterFrame==null){ctr.play_btn.onRelease();}
		}else{}
	};
	*/
	
	this.sound.onSoundComplete = function() {
		if(this.duration>300){
			ctr.start();
			mp3.enter(target);
		}
	};
		
	var snd = this.sound;
	var ctr = sys.ctrlMc;
	
	ctr.start = function(secondOffset,loop){
		if(!ctr.seekBar_mc.onEnterFrame){
			ctr.seekBar_mc.onEnterFrame = seekPrecess
		}
		//snd.stop()
		snd.start(secondOffset,loop)
	}
				
	ctr.reSize = function(){
		sys.ctrlMc.seekBarWidth = sys.ctrlMc.seekBar_mc._width-( Math.floor(sys.ctrlMc.seek_mc._width)-1 );	//make width subtract 1
		if(sys.ctrlMc.loadedPercent == 100){
			sys.ctrlMc.seekBarLoaded_mc._width = sys.ctrlMc.seekBar_mc._width
		}
	}
				
	ctr.reSize()
	ctr.position = 0;		//ms
	ctr.status = "PLAY";	//PLAY , PAUSE , STOP
	ctr.buffer = false
	ctr.seekMcStartX = 1
	ctr.bufferPercent = 10  //缓冲10％，播放保留5％的预加载
	ctr.loadedPercent = 1	//声音已经加载的百分比
	ctr.duration = 1
	
	var btnTip = function(target,str){
		target.onRollOver = function(){
			sys.tipShow(str,this)
		}
		target.onRollOut = function(){
			sys.tipHide()
		}
	}
	
	btnTip(ctr.play_btn," 开始播放 ")
	btnTip(ctr.pause_btn," 暂停播放 ")
	btnTip(ctr.stop_btn," 停止播放 ")
	
	ctr.play_btn.onRelease = function() {
		ctr.status = "PLAY";
		ctr.pause_btn._visible = true;
		ctr.start(ctr.position/1000);
		scr.play();
		mp3.enter(mp3.target);
	}
	
	ctr.pause_btn.onRelease = function() {
		ctr.status = "PAUSE";
		ctr.pause_btn._visible = false;
		ctr.position = snd.position;
		scr.pause();
		snd.stop();
	}
	
	ctr.stop_btn.onRelease = function() {
		ctr.status = "STOP";
		ctr.pause_btn._visible = false;
		ctr.position = 0;
		delete ctr.seekBar_mc.onEnterFrame
		ctr.seekBarPlayed_mc._width = 0
		ctr.seek_mc._x = ctr.seekMcStartX;
		scr.stop();
		snd.stop();
	}	
	
	if(!autostart){		// autostart 外部参数
		ctr.pause_btn.onRelease()
		scr.createBegin();
		sys.removeLoad();
	}
	
	ctr.seekBarLoaded_mc.onEnterFrame = function(){
		ctr.loadedPercent = snd.getBytesLoaded()/snd.getBytesTotal()*100
		ctr.duration = snd.duration/ctr.loadedPercent*100
		this._width = ctr.seekBar_mc._width * ctr.loadedPercent/100
		if( ctr.loadedPercent == 100){ 
			ctr.buffer = false
			ctr.duration = snd.duration
			if(mp3.target.onEnterFrame==null && autostart ) ctr.play_btn.onRelease();
			delete this.onEnterFrame
		}
	}
	
	ctr.seekBarPlayed_mc._width = 0
	//ctr.seekBar_mc._visible = false;
	
	var seekPrecess = function () {
		if(ctr.status == "PLAY"){
			var soundPercent = snd.position/ctr.duration
			if(soundPercent>1){ soundPercent=1 }
			if( ctr.loadedPercent==100 || (ctr.loadedPercent - soundPercent*100) >ctr.bufferPercent ){
				ctr.seek_mc._x = ctr.seekBarWidth*soundPercent + ctr.seekMcStartX;
				ctr.seekBarPlayed_mc._width = ctr.seek_mc._x - ctr.seekMcStartX;	
				if(ctr.buffer){
					ctr.bufferPercent=5		//更长的播放时间
					ctr.buffer = false
					
					//ctr.start(ctr.position/1000);
					//mp3.enter(mp3.target);

					//ctr.status = "PLAY";
					ctr.pause_btn._visible = true;
					ctr.start(ctr.position/1000);
					scr.play();
					mp3.enter(mp3.target);
				}
			}else{
				if(!ctr.buffer){
					ctr.bufferPercent=10	//更长的预加载时间
					ctr.buffer = true
					
					//ctr.position = snd.position;
					//snd.stop();
					
					//ctr.status = "PAUSE";
					ctr.pause_btn._visible = false;
					ctr.position = snd.position;
					scr.pause();
					snd.stop();
		
				}
			}
		}
	}
	
	// seek MP3 all by seekBar_mc event
	
	ctr.seekBar_mc.onEnterFrame = seekPrecess;
	ctr.seekBar_mc.onPress = function() {
		ctr.seek_mc.nextFrame()
		var sbw = ctr.seekBarWidth*( ctr.loadedPercent==100?1:(ctr.loadedPercent-ctr.bufferPercent)/100 )
		//var sbw = ctr.seekBarWidth
		if(sbw<1) sbw =1
		ctr.seek_mc._x = (_xmouse-5)>sbw ? sbw : (_xmouse-5);
		startDrag(ctr.seek_mc, false, ctr.seekMcStartX, 0, sbw + 1, 0);	//make drag add 1
		ctr.seekBar_mc.onEnterFrame = function() {
			ctr.seekBarPlayed_mc._width = ctr.seek_mc._x - ctr.seekMcStartX;
		};		
	}
	
	ctr.seekBar_mc.onRelease = ctr.seekBar_mc.onReleaseOutside = function () {
		ctr.seek_mc.prevFrame()
		stopDrag();
		if (ctr.status == "PLAY") {
			ctr.start(  (ctr.seek_mc._x- ctr.seekMcStartX)/ctr.seekBarWidth*ctr.duration /1000 );
			mp3.enter(mp3.target);
			ctr.seekBar_mc.onEnterFrame = seekPrecess;
		} else {
			delete ctr.seekBar_mc.onEnterFrame;
			ctr.position = (ctr.seek_mc._x-ctr.seekMcStartX)/ctr.seekBarWidth*ctr.duration
			ctr.seekBarPlayed_mc._width = ctr.seek_mc._x-ctr.seekMcStartX;
		}
	}
	
	// fullscreen ___________________________________
	
	btnTip(ctr.fullscreen_btn," 全屏显示 ")
	ctr.fullscreen_btn._visible = System.capabilities.version.split(",")[0].split(" ").pop()>=9
	if(ctr.fullscreen_btn._visible){
		ctr.fullscreen_btn.onRelease = function(){
			if(Stage["displayState"] == "fullScreen"){
				//fscommand("fullscreen", false);
				Stage["displayState"] ="normal"
				btnTip(ctr.fullscreen_btn," 全屏显示 ")
				//sys.setMatrixFilter(ctr,"original")
			}else{
				//fscommand("fullscreen", true);
				Stage["displayState"] ="fullScreen";	
				btnTip(ctr.fullscreen_btn," 退出全屏 ")	
				//sys.setMatrixFilter(ctr,"invert")
			}
		}
	}
	
	// gg1 ___________________________________
	
	btnTip(ctr.gg1_btn," 在线小游戏 ")
	ctr.gg1_btn.onRelease = function(){
		getURL("http://www.ee1234.com","_blank")
	}

	// homepage ___________________________________
	
	btnTip(ctr.make_btn," 我也要制作MTV ")
	ctr.make_btn.onRelease = function(){
		getURL("http://www.qingcai.net/makemtv/welcome.aspx","_blank")
	}
	
	// rank ___________________________________
	
	btnTip(ctr.rank_btn," MTV排行榜 ")
	ctr.rank_btn.onRelease = function(){
		sys.createWin("rank");
	}	
	
	// volume ___________________________________
	
	var vom = ctr.volume_mc
	vom.barMc = ctr.volume_mc.bar_mc
	vom.handleMc = ctr.volume_mc.handle_mc
	vom.switchBtn = ctr.volume_mc.switch_btn
	
	vom.barWidth = vom.barMc._width - (vom.handleMc._width-1)
	vom.handleMcStartX = vom.barMc._x
	vom.volumeNum = 100
	vom.handleMc.step = 5
	
	btnTip(vom.barMc," 音量调节 ")
	
	vom.barMc.onPress = function(){
		vom.handleMc.nextFrame()
		var hx = (this._xmouse-4)>vom.barWidth ? vom.barWidth : (this._xmouse-4)
		if(hx<0) hx = 0
		vom.handleMc._x = vom.handleMcStartX + hx;
		startDrag(vom.handleMc,false, vom.handleMcStartX, vom.barMc._y , vom.handleMcStartX+vom.barWidth,vom.barMc._y)
		vom.handleMc.onEnterFrame = function(){
			vom.volumeNum = Math.round((vom.handleMc._x-vom.handleMcStartX)/vom.barWidth*100)
			snd.setVolume(vom.volumeNum)
		}
	}
	
	vom.barMc.onRelease = vom.barMc.onReleaseOutside = function () {
		vom.handleMc.prevFrame()
		stopDrag()
		vom.handleMc.step = Math.abs( vom.handleMc.step )
		delete vom.handleMc.onEnterFrame
	}
	
	vom.switchBtn.onRelease = function(){
		
		vom.handleMc.max = vom.volumeNum
		vom.handleMc.step = -vom.handleMc.step
		vom.handleMc.cur = snd.getVolume()
		vom.barMc._visible = false;
		vom.handleMc.onEnterFrame = function(){
			if(this.step>0 && this.cur+this.step<=this.max || this.step<0 && this.cur+this.step>=0){
				this.cur += this.step
			}else{
				vom.barMc._visible = true;
				this.cur = this.step>0?this.max:0
				delete this.onEnterFrame;
			}
			snd.setVolume(this.cur)
			this._x = vom.handleMcStartX + vom.barWidth*this.cur/100
			
		}
	}
	
	// menu ___________________________________
	
	var menu = ctr.menu_mc;
	menu.hide = function () {
	    menu.body_mc._visible = false;
	};
	menu.show = function () {
	    menu.body_mc._visible = true;
	};
	menu.itemButtonEvent = function (target) {
	    target.onRollOver = function () {
		this.nextFrame();
		this.t_txt.htmlText = this.label;
	    };
	    target.onRollOut = function () {
		this.prevFrame();
		this.t_txt.htmlText = this.label;
	    };
	};
	menu.body_mc._visible = false;
	menu.lead_btn.onRollOver = menu.show;
	menu.body_mc.out_btn.onRollOver = (menu.body_mc.out_btn.onRollOut = menu.hide);
	
	
	var kalaokItem = menu.body_mc.kalaok_item_mc;
	kalaokItem.label = "卡拉OK模式";
	kalaokItem.type_mc.gotoAndStop("check");
	menu.itemButtonEvent(kalaokItem);
	kalaokItem.onRelease = function () {
	    scr.kalaok = !scr.kalaok;
	    kalaokItem.type_mc._visible = scr.kalaok;
	    menu.hide();
	};
	kalaokItem.onRollOut();
	kalaokItem.type_mc._visible = scr.kalaok;
	
	
	var effectItem = menu.body_mc.effect_item_mc;
	effectItem.label = "加载小饰品";
	effectItem.type_mc.gotoAndStop("check");
	menu.itemButtonEvent(effectItem);
	effectItem.onRelease = function () {
	    scr.conMc.effectMc._visible = !scr.conMc.effectMc._visible;
	    effectItem.type_mc._visible = scr.conMc.effectMc._visible;
	    menu.hide();
	};
	effectItem.onRollOut();
	effectItem.type_mc._visible = scr.conMc.effectMc._visible;
	
	
	var frameItem = menu.body_mc.frame_item_mc;
	frameItem.label = "加载相框";
	frameItem.type_mc.gotoAndStop("check");
	menu.itemButtonEvent(frameItem);
	frameItem.onRelease = function () {
			var tmp=!scr.conMc.frameMc._visible;

	    scr.conMc.frameMc._visible = tmp
	    frameItem.type_mc._visible = tmp
	    menu.hide();
	};
	frameItem.onRollOut();
	frameItem.type_mc._visible = scr.conMc.frameMc._visible;
	
		
	//
	var colorItem = menu.body_mc.color_item_mc;
	colorItem.label = "字幕色";
	colorItem.type_mc.gotoAndStop("none");
	colorItem.t_txt.htmlText = colorItem.label;
	
	var colorPane = menu.body_mc.colorpane_mc;
	var colorArr = [0xFF00FF,0x0000FF,0xFF0000]//,/*0x008000,0xFF8000,0x000000,0x808000,0x008080*/];
	
	var clrMc,clrObj;
	for(var i=0;i<colorArr.length;i++){
		clrMc = colorPane.clr_mc.duplicateMovieClip("c_"+i,i)
		clrMc._x = (clrMc._width+1)*i
		clrMc.color=colorArr[i]
	    clrObj = new Color(clrMc);
	    clrObj.setRGB(clrMc.color);
		clrMc.onRelease = function () {
			scr.txtBackClr = this.color
			scr.textMc.back_mc.back_txt.textColor = this.color
			menu.hide();
	    };		
	}

	//caption_item_mc
	var captionItem = menu.body_mc.caption_item_mc;
	captionItem.label = "显示字幕";
	captionItem.type_mc.gotoAndStop("check");
	menu.itemButtonEvent(captionItem);
	captionItem.onRelease = function () {
		
			var tmp=!scr.textMc._visible
			
			scr.textBgMc._visible = tmp
			scr.textMc._visible = tmp
			scr.titleMc._visible = tmp
			
			colorItem._visible = tmp
			colorPane._visible = tmp
			
		  captionItem.type_mc._visible = tmp
	    menu.hide();
	};
	captionItem.onRollOut();
	captionItem.type_mc._visible = scr.textMc._visible;


	//diy_item_mc
	var diyItem = menu.body_mc.diy_item_mc;
	diyItem.label = "访问制作人主页";
	diyItem.type_mc.gotoAndStop("none");
	menu.itemButtonEvent(diyItem);
	diyItem.onRelease = function () {
		if(wcon.data["homepage"]){
			getURL(wcon.data["homepage"],"_blank")			
		}
	    menu.hide();
	};
	diyItem.onRollOut();
	
	//copy_item_mc
	var copyItem = menu.body_mc.copy_item_mc;
	copyItem.label = "复制分享...";
	copyItem.type_mc.gotoAndStop("none");
	menu.itemButtonEvent(copyItem);
	copyItem.onRelease = function () {
		//
		sys.createWin("copy");
	    menu.hide();
	};
	copyItem.onRollOut();

	
};

mp3.enter = function(target){
	var self = this
	sys.removeLoad()
	target.i = 0
	target.headKey = ['by','al','ar','ti']
	target.offset = lrc.head['offset']
	target.headDur = lrc.bodyIdx[0] + target.offset
	target.onEnterFrame = function(){
		var pos = self.sound.position
		//var percent
		if(pos<this.headDur){
			//percent = lrc.bodyIdx[0]+this.offset
			//percent = (percent - pos)/percent
			scr.createTit(lrc.head,null)
			scr.createTxt(
				lrc.head[this.headKey[Math.floor( (this.headDur-pos)/this.headDur*4 )]]
				,this.headDur/4	)
		}else if(this.i<lrc.bodyIdx.length){
			scr.removeTit()
			if( pos < lrc.bodyIdx[this.i+1]+ this.offset ){
				//percent = lrc.bodyIdx[this.i+1]+this.offset
				//percent = (percent - pos)/percent
				scr.createTxt(lrc.body[lrc.bodyIdx[this.i]],
				lrc.bodyIdx[this.i+1]-lrc.bodyIdx[this.i],scr.kalaok)
			}else{
				this.i++;
			}
		}
	}
}