/**
 * Class to show toast messages.
 **/
Htk.Toast = new Class
({
	Extends: Htk.Widget
	,Tag: 'htk-toast'

	,child: null
	,timerId: null

	,initialize: function ()
	{
		this.createElement ('div');
		this.node.addEventListener ('mousedown', this.stopEvent);
	}

	,showText: function (message, className)
	{
		this.hide ();

		var textNode = document.createTextNode (message);
		
		Vn.Node.removeChilds (this.node);
		this.node.appendChild (textNode);
		this.node.className = 'htk-toast '+ className;
		document.body.appendChild (this.node);

		this.hideHandler = this.hide.bind (this);
		document.addEventListener ('mousedown', this.hideHandler);

//		var marginLeft = -parseInt (this.node.offsetWidth / 2);
//		this.node.style.marginLeft = (marginLeft) +'px';
		
		this.timerId = setTimeout (this.hide.bind (this), 10000);
	}
	
	,showMessage: function (message)
	{
		this.showText (message, 'message');
	}
	
	,showWarning: function (message)
	{
		this.showText (message, 'warning');
	}
	
	,showError: function (message)
	{
		this.showText (message, 'error');
	}

	,hide: function ()
	{
		if (this.timerId)
		{
			clearTimeout (this.timerId);
			this.timerId = null;
			document.removeEventListener ('mousedown', this.hideHandler);
			document.body.removeChild (this.node);
			this.signalEmit ('closed');
		}
	}
	
	,stopEvent: function (event)
	{
		event.stopPropagation ();
	}
});