| //////////////////////////////////////////////////////////////////////////////// |
| // |
| // 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 spark.skins.mobile |
| { |
| |
| import mx.core.DPIClassification; |
| import mx.core.mx_internal; |
| |
| import spark.components.Button; |
| import spark.components.VScrollBar; |
| import spark.skins.mobile.supportClasses.MobileSkin; |
| |
| use namespace mx_internal; |
| |
| /** |
| * ActionScript-based skin for VScrollBar components in mobile applications. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10 |
| * @playerversion AIR 2.5 |
| * @productversion Flex 4.5 |
| */ |
| public class VScrollBarSkin extends MobileSkin |
| { |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Constructor |
| // |
| //-------------------------------------------------------------------------- |
| /** |
| * Constructor. |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10 |
| * @playerversion AIR 2.5 |
| * @productversion Flex 4.5 |
| * |
| */ |
| public function VScrollBarSkin() |
| { |
| super(); |
| |
| minHeight = 20; |
| thumbSkinClass = VScrollBarThumbSkin; |
| var paddingRight:int; |
| var paddingVertical:int; |
| |
| // Depending on density set our measured width |
| switch (applicationDPI) |
| { |
| case DPIClassification.DPI_640: |
| { |
| minWidth = 24; |
| paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_640DPI; |
| paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_640DPI; |
| break; |
| } |
| case DPIClassification.DPI_480: |
| { |
| minWidth = 18; |
| paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_480DPI; |
| paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_480DPI; |
| break; |
| } |
| case DPIClassification.DPI_320: |
| { |
| minWidth = 12; |
| paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_320DPI; |
| paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_320DPI; |
| break; |
| } |
| case DPIClassification.DPI_240: |
| { |
| minWidth = 9; |
| paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_240DPI; |
| paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_240DPI; |
| break; |
| } |
| case DPIClassification.DPI_120: |
| { |
| minWidth = 9; |
| paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_120DPI; |
| paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_120DPI; |
| break; |
| } |
| default: |
| { |
| // default DPI_160 |
| minWidth = 6; |
| paddingRight = VScrollBarThumbSkin.PADDING_RIGHT_DEFAULTDPI; |
| paddingVertical = VScrollBarThumbSkin.PADDING_VERTICAL_DEFAULTDPI; |
| break; |
| } |
| } |
| |
| // The minimum height is set such that, at it's smallest size, the thumb appears |
| // as high as it is wide. |
| minThumbHeight = (minWidth - paddingRight) + (paddingVertical * 2); |
| } |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Variables |
| // |
| //-------------------------------------------------------------------------- |
| |
| /** |
| * @copy spark.skins.spark.ApplicationSkin#hostComponent |
| */ |
| public var hostComponent:VScrollBar; |
| |
| /** |
| * Minimum height for the thumb |
| */ |
| protected var minThumbHeight:Number; |
| |
| /** |
| * Skin to use for the thumb Button skin part |
| */ |
| protected var thumbSkinClass:Class; |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Skin parts |
| // |
| //-------------------------------------------------------------------------- |
| /** |
| * VScrollbar track skin part |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10 |
| * @playerversion AIR 2.5 |
| * @productversion Flex 4.5 |
| */ |
| public var track:Button; |
| |
| /** |
| * VScrollbar thumb skin part |
| * |
| * @langversion 3.0 |
| * @playerversion Flash 10 |
| * @playerversion AIR 2.5 |
| * @productversion Flex 4.5 |
| */ |
| public var thumb:Button; |
| |
| |
| //-------------------------------------------------------------------------- |
| // |
| // Overridden methods |
| // |
| //-------------------------------------------------------------------------- |
| /** |
| * @private |
| */ |
| override protected function createChildren():void |
| { |
| // Create our skin parts if necessary: track and thumb. |
| if (!track) |
| { |
| // We don't want a visible track so we set the skin to MobileSkin |
| track = new Button(); |
| track.setStyle("skinClass", spark.skins.mobile.supportClasses.MobileSkin); |
| track.width = minWidth; |
| track.height = minHeight; |
| addChild(track); |
| } |
| if (!thumb) |
| { |
| thumb = new Button(); |
| thumb.minHeight = minThumbHeight; |
| thumb.setStyle("skinClass", thumbSkinClass); |
| thumb.width = minWidth; |
| thumb.height = minWidth; |
| addChild(thumb); |
| } |
| } |
| |
| /** |
| * @private |
| */ |
| override protected function layoutContents(unscaledWidth:Number, unscaledHeight:Number):void |
| { |
| super.layoutContents(unscaledWidth, unscaledHeight); |
| |
| setElementSize(track, unscaledWidth, unscaledHeight); |
| } |
| } |
| } |