image.as

flashget43的源代码 一个比较常用的下载程序

#initclip 10

_global.Image = function() {
	this.imageUrl = null;
	this.handlerFunctionName = null;
	this.handlerObj = null;
	
	this.preff_width = 0;
	this.preff_height = 0;
};

_global.Image.prototype = new MovieClip();

//PUBLIC METHODS.

_global.Image.prototype.setHandler = function(inHandlerFunctionName, inHandlerObj) {
	this.handlerFunctionName = inHandlerFunctionName;
	this.handlerObj = inHandlerObj;
};

_global.Image.prototype.loadImage = function(inImageUrl) {
	if ((this.imageUrl == inImageUrl) && this.image_mc._visible) 
	{
		return;
	}
	
	//this._visible = false;//(this.handlerObj != null);
	
	this.imageUrl = inImageUrl;
	this.image_mc.loadMovie(this.imageUrl);
	
	this.onEnterFrame = function()
	{    
	
		if(this.image_mc.getBytesLoaded() == this.image_mc.getBytesTotal() && 
		   this.image_mc._height > 0 && 
		   this.image_mc._width > 0)
		{
			delete this.onEnterFrame;
			
			_global.FlashChatNS.preff_image_width  = this.image_mc._width;
			_global.FlashChatNS.preff_image_height = this.image_mc._height;
			
			if(this.image_mc._width  < Stage.width)  this._width = Stage.width;
			if(this.image_mc._height < Stage.height) this._height = Stage.height;
			 
			this._visible = true;
			this.image_mc._visible = true;
			
		}
	}
};

_global.Image.prototype.clear = function() {
	this.image_mc._visible = false;
};

//PRIVATE METHODS.
_global.Image.prototype.imageMCLoaded = function(inMC) {
	this.handlerObj[this.handlerFunctionName](this);
};

Object.registerClass('Image', _global.Image);

#endinitclip