1 /* 2 * Copyright 2006, The Android Open Source Project 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * * Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * * Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef RenderSkinAndroid_h 27 #define RenderSkinAndroid_h 28 29 namespace android { 30 class AssetManager; 31 } 32 33 class SkBitmap; 34 35 namespace WebCore { 36 class Node; 37 class PlatformGraphicsContext; 38 39 /* RenderSkinAndroid is the base class for all RenderSkins. Form elements each have a 40 * subclass for drawing themselves. 41 */ 42 class RenderSkinAndroid 43 { 44 public: 45 RenderSkinAndroid(); ~RenderSkinAndroid()46 virtual ~RenderSkinAndroid() {} 47 48 enum State { 49 kDisabled, 50 kNormal, 51 kFocused, 52 kPressed, 53 54 kNumStates 55 }; 56 57 /** 58 * Initialize the Android skinning system. The AssetManager may be used to find resources used 59 * in rendering. 60 */ 61 static void Init(android::AssetManager*); 62 63 /* DecodeBitmap determines which file to use, with the given fileName of the form 64 * "images/bitmap.png", and uses the asset manager to select the exact one. It 65 * returns true if it successfully decoded the bitmap, false otherwise. 66 */ 67 static bool DecodeBitmap(android::AssetManager* am, const char* fileName, SkBitmap* bitmap); 68 69 /* draw() tells the skin to draw itself, and returns true if the skin needs 70 * a redraw to animations, false otherwise 71 */ draw(PlatformGraphicsContext *)72 virtual bool draw(PlatformGraphicsContext*) { return false; } 73 74 /* notifyState() checks to see if the element is checked, focused, and enabled 75 * it must be implemented in the subclass 76 */ notifyState(Node * element)77 virtual void notifyState(Node* element) { } 78 79 /* setDim() tells the skin its width and height 80 */ setDim(int width,int height)81 virtual void setDim(int width, int height) { m_width = width; m_height = height; } 82 83 protected: 84 int m_height; 85 int m_width; 86 87 }; 88 89 } // WebCore 90 91 #endif 92 93
