<?xml version="1.0" encoding="utf-8"?>
<!--

  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.

-->


<!--- The Spark skin class for the MX default button. The default button is 
        used in panels such as an Alert.

      @see mx.controls.Alert
        
      @langversion 3.0
      @playerversion Flash 10
      @playerversion AIR 1.5
      @productversion Flex 4
-->
<local:SparkSkinForHalo xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" 
      xmlns:local="mx.skins.spark.*"
      minWidth="21" minHeight="19" 
      alpha.disabledStates="0.5">

    <fx:Script>
        <![CDATA[
            /* Define the border items.*/
            static private const borderItem:Array = ["borderEntry1", "borderEntry2"];
            /**
             * @private
             */
            override protected function get borderItems():Array {return borderItem;}
        
            /**
             * @private
             */
            override protected function initializationComplete():void
            {
                useChromeColor = true;
                super.initializationComplete();
            }
        
            /**
             *  @private
             */
            override protected function updateDisplayList(unscaledWidth:Number, unscaledHeight:Number) : void
            {
                var cr:Number = getStyle("cornerRadius");
                
                if (cornerRadius != cr)
                {
                    cornerRadius = cr;
                    shadow.radiusX = cornerRadius;
                    fill.radiusX = cornerRadius;
                    lowlight.radiusX = cornerRadius;
                    highlight.radiusX = cornerRadius;
                    border.radiusX = cornerRadius;
                }
                
                if (highlightStroke) highlightStroke.radiusX = cornerRadius;
                if (hldownstroke1) hldownstroke1.radiusX = cornerRadius;
                if (hldownstroke2) hldownstroke2.radiusX = cornerRadius;
                
                // Use the accentColor style, at 24%, as the offset for the fill and
                // highlightStroke color transform.
                var accentColor:uint = getStyle("accentColor");
                var colorTransform:ColorTransform = new ColorTransform();
                colorTransform.redOffset = (((accentColor & (0xFF << 16)) >> 16)) * 0.24;
                colorTransform.greenOffset = (((accentColor & (0xFF << 8)) >> 8)) * 0.24;
                colorTransform.blueOffset = ((accentColor & 0xFF)) * 0.24;
                colorTransform.alphaMultiplier = 1;
                
                fill.transform.colorTransform = colorTransform;
                if (highlightStroke)
                    highlightStroke.transform.colorTransform = colorTransform;
                    
                super.updateDisplayList(unscaledWidth, unscaledHeight);
            }
            
            private var cornerRadius:Number = 2;

        ]]>
    </fx:Script>
    
    <!-- states -->
    <local:states>
        <s:State name="up" />
        <s:State name="over" stateGroups="overStates" />
        <s:State name="down" stateGroups="downStates" />
        <s:State name="disabled" stateGroups="disabledStates" />
        <s:State name="selectedUp" stateGroups="selectedStates, selectedUpStates" />
        <s:State name="selectedOver" stateGroups="overStates, selectedStates" />
        <s:State name="selectedDown" stateGroups="downStates, selectedStates" />
        <s:State name="selectedDisabled" stateGroups="selectedUpStates, disabledStates, selectedStates" />
    </local:states>
    
    <!-- layer 1: shadow -->
    <!--- @private -->
    <s:Rect id="shadow" left="-1" right="-1" top="-1" bottom="-1" radiusX="2">
        <s:fill>
            <s:LinearGradient rotation="90">
                    <s:GradientEntry color="0x000000" 
                                   color.downStates="0xFFFFFF"
                                   alpha="0.01"
                                   alpha.downStates="0" />
                    <s:GradientEntry color="0x000000" 
                                   color.downStates="0xFFFFFF" 
                                   alpha="0.07"
                                   alpha.downStates="0.5" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <!-- layer 2: fill -->
    <!--- @private -->
    <s:Rect id="fill" left="1" right="1" top="1" bottom="1" radiusX="2">
        <s:fill>
            <s:LinearGradient rotation="90">
                <s:GradientEntry color="0xAFABB0" 
                               color.selectedUpStates="0x989699"
                               color.overStates="0x989699" 
                               color.downStates="0x8B8D93" 
                               alpha="0.85" 
                               alpha.selectedOver="1" />
                <s:GradientEntry color="0x888FA6" 
                               color.selectedUpStates="0x676E9E"
                               color.over="0x676E9E" 
                               color.selectedOver="0x676E9E"
                               color.downStates="0x676E9E" 
                               alpha="0.85"
                               alpha.selectedOver="1" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <!-- layer 3: fill lowlight -->
    <!--- @private -->
    <s:Rect id="lowlight" left="1" right="1" top="1" bottom="1" radiusX="2">
        <s:fill>
            <s:LinearGradient rotation="270">
                <s:GradientEntry color="0x000000" ratio="0.0" alpha="0.0627" />
                <s:GradientEntry color="0x000000" ratio="0.48" alpha="0.0099" />
                <s:GradientEntry color="0x000000" ratio="0.48001" alpha="0" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <!-- layer 4: fill highlight -->
    <!--- @private -->
    <s:Rect id="highlight" left="1" right="1" top="1" bottom="1" radiusX="2">
        <s:fill>
            <s:LinearGradient rotation="90">
                <s:GradientEntry color="0xFFFFFF"
                                 ratio="0.0"
                                 alpha="0.33" 
                                 alpha.selectedUpStates="0.22" 
                                 alpha.overStates=".22"
                                 alpha.downStates="0.12"/>
                <s:GradientEntry color="0xFFFFFF"
                                 ratio="0.48"
                                 alpha="0.33"
                                 alpha.selectedUpStates="0.22"
                                 alpha.overStates=".22"
                                 alpha.downStates="0.12" />
                <s:GradientEntry color="0xFFFFFF"
                                 ratio="0.48001"
                                 alpha="0" />
            </s:LinearGradient>
        </s:fill>
    </s:Rect>
    
    <!-- layer 5: highlight stroke (all states except down) -->
    <!--- @private -->
    <s:Rect id="highlightStroke" left="1" right="1" top="1" bottom="1" radiusX="2" excludeFrom="downStates">
        <s:stroke>
           <s:LinearGradientStroke rotation="90" weight="1">
                <s:GradientEntry color="0xD6C5BA" alpha.overStates="0.22" alpha.selectedUpStates="0.33" />
                <s:GradientEntry color="0x9092A6" alpha.overStates="0.22" alpha.selectedUpStates="0.33" />
            </s:LinearGradientStroke>
        </s:stroke>
    </s:Rect>
    
    <!-- layer 6: highlight stroke (down state only) -->
    <!--- @private -->
    <s:Rect id="hldownstroke1" left="1" right="1" top="1" bottom="1" radiusX="2"
            includeIn="downStates, selectedUpStates, selectedOver">
        <s:stroke>
            <s:LinearGradientStroke rotation="90" weight="1">
                <s:GradientEntry color="0x000000" alpha="0.25" ratio="0.0" />
                <s:GradientEntry color="0x000000" alpha="0.25" ratio="0.001" />
                <s:GradientEntry color="0x000000" alpha="0.07" ratio="0.0011" />
                <s:GradientEntry color="0x000000" alpha="0.07" ratio="0.965" />
                <s:GradientEntry color="0x000000" alpha="0.00" ratio="0.9651" />
            </s:LinearGradientStroke>
        </s:stroke>
    </s:Rect>
    <!--- @private -->
    <s:Rect id="hldownstroke2" left="2" right="2" top="2" bottom="2" radiusX="2"
            includeIn="downStates, selectedUpStates, selectedOver">
        <s:stroke>
            <s:LinearGradientStroke rotation="90" weight="1">
                <s:GradientEntry color="0x000000" alpha="0.09" ratio="0.0" />
                <s:GradientEntry color="0x000000" alpha="0.00" ratio="0.0001" />
            </s:LinearGradientStroke>
        </s:stroke>
    </s:Rect>
    
    <!-- layer 7: border - put on top of the fill so it doesn't disappear when scale is less than 1 -->
    <!--- @private -->
    <s:Rect id="border" left="0" right="0" top="0" bottom="0" width="69" height="20" radiusX="2">
        <s:stroke>
            <s:LinearGradientStroke rotation="90" weight="1">
                <!--- @private -->
                <s:GradientEntry id="borderEntry1" 
                               color="0x000000" 
                               alpha="0.5625"
                               alpha.down="0.6375"
                               alpha.selectedStates="0.6375" />
                <!--- @private -->
                <s:GradientEntry id="borderEntry2" 
                               color="0x000000" 
                               alpha="0.75" 
                               alpha.down="0.85"
                               alpha.selectedStates="0.85" />
            </s:LinearGradientStroke>
        </s:stroke>
    </s:Rect>
    
</local:SparkSkinForHalo>