package skins
{
	import flash.display.GradientType;
	import flash.display.InterpolationMethod;
	import flash.display.SpreadMethod;
	import flash.geom.Matrix;
	
	import mx.skins.ProgrammaticSkin;
	import mx.utils.ColorUtil;

	public class TitleWindowCloseButton extends ProgrammaticSkin
	{
		private var lineAlpha: Number = 1;
		private var lineColor: uint = 0xFFFFFF;
		private var lineThickness: int = 2;
		private var backgroundColor: uint;
		
		
		override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number):void {
		   	graphics.clear();
			
			var action: String = (name.toLowerCase().indexOf('minimize') == -1) ? 'close' : 'min';

			if (getStyle(action + 'Colors').length) {
	   			if (name.toLowerCase().indexOf('over') != -1) {
	   				backgroundColor = ColorUtil.adjustBrightness(getStyle(action + 'Colors')[1], 30);
	   			}
	   			else if (name.toLowerCase().indexOf('down') != -1) {
	   				backgroundColor = getStyle(action + 'ColorsPress')[1];
	   			}
	   			else {
	   				backgroundColor = getStyle(action + 'Colors')[1];
	   			}
   			}


			var typeGlare:String = GradientType.RADIAL;
			var colors:Array = [ ColorUtil.adjustBrightness(backgroundColor, 150), backgroundColor];
			var spreadMethodGlare:String = SpreadMethod.PAD;
			var interpGlare:String = InterpolationMethod.LINEAR_RGB;
			var focalPtRatioGlare:Number = 0;
			
			var matrixGlare:Matrix = new Matrix();
			var boxWidthGlare:Number = unscaledHeight;
			var boxHeightGlare:Number = unscaledHeight;
			var boxRotationGlare:Number = Math.PI/2; // 90˚
			var txGlare:Number = - unscaledHeight/2 + 4;
			var tyGlare:Number = - unscaledHeight/2 + 5;
			matrixGlare.createGradientBox(boxWidthGlare, boxHeightGlare, boxRotationGlare, txGlare, tyGlare);
			
			graphics.beginGradientFill(typeGlare, colors, [1, 1], [0, 0x90], matrixGlare, spreadMethodGlare, interpGlare, focalPtRatioGlare);
			graphics.drawRoundRect(
				0, 
				0, 
				unscaledWidth, 
				unscaledHeight,
				8, 8); 
			graphics.endFill();	
			
			var cX: Number = unscaledWidth/2;
			var cY: Number = unscaledHeight/2;
			var rad: Number = 2;
			with (graphics) {
				lineStyle(lineThickness, lineColor, lineAlpha);
				if ('min' == action) {
					moveTo(cX - rad, cY);
					lineTo(cX + rad, cY);
				}
				else {
					moveTo(cX - rad, cY - rad);
					lineTo(cX + rad, cY + rad);
					
					moveTo(cX + rad, cY - rad);
					lineTo(cX - rad, cY + rad);	
				}
				
			}
		}
		
	}
}