/*
//timer类as1.0版本
//----用例----
#include "Timer1.0.as"
T = new Timer(0.25*60*1000);
T.addViewer(TF1,"MSEL");//TF1显示毫秒数
T.addViewer(TF2,"SECOND");//TF2显示秒数
T.addViewer(TF3,"MM:SS");//TF3显示“分:秒”
T.addViewer(MC1);//MC1随时间正常播放
T.addViewer(MC2,-1);//MC2随时间倒序播
T.addViewer(MC3);//MC1随时间正常播放
T.onTimeOver = function() {
 //时间结束
 trace("time up")
 this.reset();
};
T.onTimeRun = function() {
 //计时中...
};
//开始
T.start();
//----------------
*/
function Timer(time) {
 this.totalTime = time;
 this.hasTime = time;
 this.onTimeOver = null;
 this.onTimeRun = null;
 this.timeViewer = new Array();
 _global._TimerAS1_IntervalID = null;
}
//----------开始，暂停，继续，重置，结束-------------
Timer.prototype.run = function() {
 clearInterval(_global._TimerAS1_IntervalID);
 var startTime = getTimer();
 var mode = this;
 _global._TimerAS1_IntervalID = setInterval(function () {
  var lostTime = getTimer()-startTime;
  mode.hasTime -= lostTime;
  if (mode.hasTime<=0) {
   mode.hasTime = 0;
   mode.timeOver();
  } else {
   mode.onTimeRun();
  }
  mode.viewTime();
  startTime = getTimer();
 }, 0);
};
Timer.prototype.start = function() {
 this.reset();
};
Timer.prototype.reset = function() {
 this.hasTime = this.totalTime;
 this.run();
};
Timer.prototype.pause = function() {
 clearInterval(_global._TimerAS1_IntervalID);
};
Timer.prototype.proceed = function() {
 this.run();
};
Timer.prototype.timeOver = function() {
 clearInterval(_global._TimerAS1_IntervalID);
 this.onTimeOver();
};
//------------时间显示器----------------
Timer.prototype.addViewer = function(obj, style) {
 if ((obj instanceof MovieClip) || (obj instanceof TextField)) {
  this.timeViewer.push({obj:obj, style:style});
 }
};
Timer.prototype.delViewer = function(obj) {
 for (var i in this.timeViewer) {
  if (obj == this.timeViewer[i].obj) {
   this.timeViewer.splice(i, 1);
  }
 }
};
Timer.prototype.clsViewer = function() {
 this.timeViewer = new Array();
};
Timer.prototype.viewTime = function() {
 for (var i in this.timeViewer) {
  var obj = this.timeViewer[i].obj;
  var style = this.timeViewer[i].style;
  if (obj instanceof MovieClip) {
   var num = Math.ceil((this.totalTime-this.hasTime)/this.totalTime*obj._totalframes);
   if (style == -1) {
    num = obj._totalframes-num;
   }
   obj.gotoAndStop(num);
  } else if (obj instanceof TextField) {
   obj.text = this.timeToString(style);
  }
 }
};
//-----------------------------------------------
Timer.prototype.timeToString = function(style) {
 var str;
 switch (style) {
 case "SECOND" :
  str = Math.ceil(this.hasTime/1000);
  break;
 case "MSEL" :
  str = Math.ceil(this.hasTime);
  break;
 case "MM:SS" :
 default :
  var num = Math.ceil(this.hasTime/1000);
  var MM = Math.floor(num/60);
  var SS = Math.floor(num%60);
  str = String("000"+MM).substr(-2)+":"+String("000"+SS).substr(-2);
  break;
 }
 return String(str);
};
//查看所有成员(测试用)
Timer.prototype.listMembers = function() {
 for (var i in this) {
  trace(i+" = "+this[i]);
 }
};