frameworks/projects/mx/src/mx/skins/halo/ProgressBarSkin.as

////////////////////////////////////////////////////////////////////////////////
//
//  Licensed to the Apache Software Foundation (ASF) under one or more
//  contributor license agreements.  See the NOTICE file distributed with
//  this work for additional information regarding copyright ownership.
//  The ASF licenses this file to You under the Apache License, Version 2.0
//  (the "License"); you may not use this file except in compliance with
//  the License.  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//
////////////////////////////////////////////////////////////////////////////////

package mx.skins.halo
{

import mx.skins.Border;
import mx.styles.StyleManager;
import mx.utils.ColorUtil;

/**
 *  The skin for a ProgressBar.
 *  
 *  @langversion 3.0
 *  @playerversion Flash 9
 *  @playerversion AIR 1.1
 *  @productversion Flex 3
 */
public class ProgressBarSkin extends Border
{
	include "../../core/Version.as";
		
    //--------------------------------------------------------------------------
    //
    //  Constructor
    //
    //--------------------------------------------------------------------------

	/**
	 *  Constructor.
	 *  
	 *  @langversion 3.0
	 *  @playerversion Flash 9
	 *  @playerversion AIR 1.1
	 *  @productversion Flex 3
	 */
	public function ProgressBarSkin()
	{
		super();		
	}

    //--------------------------------------------------------------------------
    //
    //  Overridden properties
    //
    //--------------------------------------------------------------------------

    //----------------------------------
	//  measuredWidth
    //----------------------------------
    
    /**
     *  @private
     */    
    override public function get measuredWidth():Number
    {
        return 200;
    }
    
    //----------------------------------
	//  measuredHeight
    //----------------------------------
    
    /**
     *  @private
     */        
    override public function get measuredHeight():Number
    {
        return 6;
    }
		
    //--------------------------------------------------------------------------
    //
    //  Overridden methods
    //
    //--------------------------------------------------------------------------

    /**
     *  @private
     */        
	override protected function updateDisplayList(w:Number, h:Number):void
	{
		super.updateDisplayList(w, h);

		// User-defined styles
		var barColorStyle:* = getStyle("barColor");
		var barColor:uint = styleManager.isValidStyleValue(barColorStyle) ?
							barColorStyle :
							getStyle("themeColor");

		var barColor0:Number = ColorUtil.adjustBrightness2(barColor, 40);

		// default fill color for halo uses theme color
		var fillColors:Array = [ barColor0, barColor ]; 
				
		graphics.clear();
				
		// glow
		drawRoundRect(
			0, 0, w, h, 0,
			fillColors, 0.5,
			verticalGradientMatrix(0, 0, w - 2, h - 2));
		
		// fill
		drawRoundRect(
			1, 1, w - 2, h - 2, 0,
			fillColors, 1,
			verticalGradientMatrix(0, 0, w - 2, h - 2));
	}
}

}