OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2009 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
(...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
47 public: | 47 public: |
48 virtual ~CanvasRenderingContext() { } | 48 virtual ~CanvasRenderingContext() { } |
49 | 49 |
50 void ref() { m_canvas->ref(); } | 50 void ref() { m_canvas->ref(); } |
51 void deref() { m_canvas->deref(); } | 51 void deref() { m_canvas->deref(); } |
52 HTMLCanvasElement* canvas() const { return m_canvas; } | 52 HTMLCanvasElement* canvas() const { return m_canvas; } |
53 | 53 |
54 virtual bool is2d() const { return false; } | 54 virtual bool is2d() const { return false; } |
55 virtual bool is3d() const { return false; } | 55 virtual bool is3d() const { return false; } |
56 virtual bool isAccelerated() const { return false; } | 56 virtual bool isAccelerated() const { return false; } |
| 57 virtual bool hasAlpha() const { return true; } |
57 | 58 |
58 virtual void paintRenderingResultsToCanvas() {} | 59 virtual void paintRenderingResultsToCanvas() {} |
59 | 60 |
60 virtual PlatformLayer* platformLayer() const { return 0; } | 61 virtual PlatformLayer* platformLayer() const { return 0; } |
61 | 62 |
62 protected: | 63 protected: |
63 CanvasRenderingContext(HTMLCanvasElement*); | 64 CanvasRenderingContext(HTMLCanvasElement*); |
64 bool wouldTaintOrigin(const CanvasPattern*); | 65 bool wouldTaintOrigin(const CanvasPattern*); |
65 bool wouldTaintOrigin(const HTMLCanvasElement*); | 66 bool wouldTaintOrigin(const HTMLCanvasElement*); |
66 bool wouldTaintOrigin(const HTMLImageElement*); | 67 bool wouldTaintOrigin(const HTMLImageElement*); |
67 bool wouldTaintOrigin(const HTMLVideoElement*); | 68 bool wouldTaintOrigin(const HTMLVideoElement*); |
68 bool wouldTaintOrigin(const KURL&); | 69 bool wouldTaintOrigin(const KURL&); |
69 | 70 |
70 template<class T> void checkOrigin(const T* arg) | 71 template<class T> void checkOrigin(const T* arg) |
71 { | 72 { |
72 if (wouldTaintOrigin(arg)) | 73 if (wouldTaintOrigin(arg)) |
73 canvas()->setOriginTainted(); | 74 canvas()->setOriginTainted(); |
74 } | 75 } |
75 void checkOrigin(const KURL&); | 76 void checkOrigin(const KURL&); |
76 | 77 |
77 private: | 78 private: |
78 HTMLCanvasElement* m_canvas; | 79 HTMLCanvasElement* m_canvas; |
79 HashSet<String> m_cleanURLs; | 80 HashSet<String> m_cleanURLs; |
80 }; | 81 }; |
81 | 82 |
82 } // namespace WebCore | 83 } // namespace WebCore |
83 | 84 |
84 #endif | 85 #endif |
OLD | NEW |