/**Hyper Studio html5 speedtracker.js 
 * file rev. 64095  
 */

var speedTest = Class.create({
	initialize: function(options) {
	try{
	    this.options = {
	    		imgUrl: "./data/engine/templates/img/icon.png",
	    		size: 18481,
	    		pageSize:10000,
	    		onFinish: function(size,speed){}
	    };
	    Object.extend(this.options, options || { });
	    this.runSpeedTest();
	}
	catch(err){
		alert('speedTest: initialize error:' + console.log(err));
	}
},

runSpeedTest:function(){
	try{
		var imgSrc = this.options.imgUrl + "?r=" + Math.random();
	    this.startTime = (new Date()).getTime() ;
	    var image = new Image();
	    image.observe("load", function(e) {
	    	
	      this.endTime = (new Date()).getTime();
	      this.runTime = this.endTime - this.startTime;
	      return this.result();
	    }.bind(this));
	    
	    image.src = imgSrc;
	}
	catch(err){
		alert('speedTest: runSpeedTest error:' + console.log(err));
	}
},

result: function() {
    if( !this.runTime )
      var res = null;

    var res = 	{	runTime: this.runTime,
		      	Kbps: ( this.options.size * 8 / 1024 / ( this.runTime / 1000 ) ),
		      	KBps: ( this.options.size / 1024 / ( this.runTime / 1000 ) )
    		};
    this.options.onFinish(res,this.options.pageSize);
    return res;
}
  /*
  256 kbps            31.3 KBps
  384 kbps            46.9 KBps
  512 kbps            62.5 KBps
  768 kbps            93.8 KBps
  1 mbps ~ 1000kbps   122.1 KBps
  */  
});
 
var timeToLoad = Class.create({
	initialize: function(options) {
		try{
		    this.options = {
		    		size: 1000000,
		    		onFinish: function(){}
		    };
		    Object.extend(this.options, options || { });
		    return this.calcTime();
		}
		catch(err){
			alert('timeToLoad: initialize error:' + console.log(err));
		}
	},
	
	calcTime: function(){
		var speed = new speedTest({pageSize:this.options.size,onFinish:function(obj,size){
			var time = (size/obj.Kbps);
			//new showProgress({elementToUpdate:'loadStatus',interval:50,duration:time});
			var blowTime =0.7;
			//console.log();
			var eff = (typeof(Effect)!='undefined');
			 if(eff)Effect.Pulsate('loadNotice', { pulses: Math.round(Math.round(time/1000)), duration: Math.round(time/1000) }); 

			setTimeout(function(){
				if(eff) $('logo').puff({duration:blowTime});
				$('loadStatus').hide();
					this.options.onFinish();
				}.bind(this),+time);
		}.bind(this)});
		
		
	}
});

/**
 * 
 */
var showProgress = Class.create({
	initialize: function(options) {
	try{
	    this.options = {
	    		elementToUpdate: '',
	    		interval: 5000,
	    		duration: 10000
	    };
	    Object.extend(this.options, options || { });
	   
	    this.showProgress();
	}
	catch(err){
		alert('speedtracker.showProgress: initialize error:' + console.log(err));
	}
},

timePassed: false,

showProgress: function(){
	this.interval = setInterval(function(){
			if(!this.timePassed)this.timePassed = 0;
				var percents =  Math.round(this.timePassed/(this.options.duration /100));
				if(Object.isElement($(this.options.elementToUpdate)))$(this.options.elementToUpdate).update(percents + "%");
				else clearInterval(this.interval);
				this.timePassed += this.options.interval;
			if(this.timePassed>=this.options.duration) clearInterval(this.interval);
	}.bind(this),this.options.interval);
}
	
});

var imgPreloader = Class.create({
	initialize: function(options) {
	try{
	    this.options = {
	    		images: Array(),
	    		preloadDone:function(){
	    			delete this;
	    		}
	    };
	    Object.extend(this.options, options || { });
	    this.unloadedImages = {};
	    this.preloadDone = this.options.preloadDone;
	    this.options.images.each(function(el,i){
	    	setTimeout(function(){
		    	var id = Math.random() + i;
		    	var img = new Image();
		    	img.id = id;
		    	this.unloadedImages[id] = 'loading';
		    	$(img).observe("load",function(e){
		    		delete this.unloadedImages[e.element().id];
		    	}.bind(this));
		    	img.src = el;
	    	}.bind(this),50);
	    }.bind(this));
	    
	    this.observeImagesCount();
	}
	catch(err){
		alert('speedtracker.showProgress: initialize error:' + console.log(err));
	}
},

imagesCountInterval: new Object(),

observeImagesCount: function(){
	this.imagesCountInterval = setInterval(function(){
		if(this.unloadedImages.length == 0){
			clearInterval(this.imagesCountInterval);
			this.preloadDone();
		}
	}.bind(this),100);
}
});

/***Example page preloader usage*/
/*document.observe("dom:ready",function(){
	time = new timeToLoad({size:'1000000'});// * 1000;
});*/