class Cincn.Buffer extends Cincn.Config
{
	public var ConInterval;
	public var PlayInterval;
	public var StopInterval;
	public var StartInterval;
	
	public var bytNum:Number;
	public var bytTot:Number;
	
	/*
		时间和文本框;
	*/
	public var txtStatus:TextField;
	public var startNum:Number;
	public var pauseNum:Number;
	public var bufferNum:Number;
	
	

	public function Buffer (SoundObj:Sound)
	{
		//BufferPlay (SoundObj);
		txtStatus = StatusTxt ();
		txtStatus.text = "正在连接";
		ConInterval = setInterval (this, "SdCon", 300, SoundObj);
	}
	
	/*
		Function : SdCon  连接声音;
	*/
	
	private function SdCon (Obj_sd:Sound)
	{
		bytTot = Obj_sd.getBytesTotal ();
		bytNum = Obj_sd.getBytesLoaded ();
		
		if (bytTot != undefined)
		{
			clearInterval (ConInterval);
			StartInterval = setInterval (this, "setPlay", 300, Obj_sd);
		}
		else
		{
			txtStatus.text = "正在连接";
		}
	}
	
	/*
		Function : 开始播放
	*/
	
	private function setPlay (Obj_sd:Object)
	{
		startNum = StartTime ();
		//初始缓冲时间;
		
		if (Obj_sd.duration - Obj_sd.position <= startNum * 1000)
		{
			//预加载时间;
			txtStatus.text = "缓冲...";
		}
		else
		{
			clearInterval (StartInterval);
			
			PlayInterval = setInterval (this, "BufferPlay", 500, Obj_sd);
			Obj_sd.start (0, 0);
		}
	}
	
	private function BufferPlay (Obj_sd:Sound)
	{
		
		var timeNow:Number = Obj_sd.position;
		var timeTot:Number = Obj_sd.duration;
		
		pauseNum = PauseTime ();
		
		txtStatus.text = "正在播放!";
		
		var thisObj = this;
		
		if (timeTot - timeNow <= pauseNum * 1000)
		{
			if (Obj_sd.getBytesLoaded() == Obj_sd.getBytesTotal())
			{
				//getStatus.txt = "加载完成!"!
			}
			else
			{
				Obj_sd.stop ();
				clearInterval (PlayInterval);
				StopInterval = setInterval (this, "BufferStop", 500, Obj_sd);
			}
		}
		Obj_sd.onSoundComplete = function ()
		{
			thisObj.txtStatus.text = "播放完成!";
			clearInterval (thisObj.PlayInterval);
			
			trace ("播放完成!");
		}
	}
	
	private function BufferStop (Obj_sd:Sound)
	{
		bufferNum = BufferTime () * 1000;
		
		
		if (Obj_sd.duration - Obj_sd.position >= bufferNum)
		{
			clearInterval (StopInterval);
			Obj_sd.start(Obj_sd.position / 1000, 0);
			PlayInterval = setInterval (this, "BufferPlay", 500, Obj_sd);
			
		}
		else
		{
			txtStatus.text = "缓冲" + " " + (Obj_sd.duration - Obj_sd.position) / bufferNum * 100 + "%" ;
		}
	}
	
	function setStop ()
	{
		clearInterval (StopInterval);
		clearInterval (PlayInterval);
	}
	
}