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1 /* | 1 /* |
2 * Copyright (C) 2004, 2006, 2009, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2004, 2006, 2009, 2010 Apple Inc. All rights reserved. |
3 * Copyright (C) 2007 Alp Toker <alp@atoker.com> | 3 * Copyright (C) 2007 Alp Toker <alp@atoker.com> |
4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. | 4 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
5 * | 5 * |
6 * Redistribution and use in source and binary forms, with or without | 6 * Redistribution and use in source and binary forms, with or without |
7 * modification, are permitted provided that the following conditions | 7 * modification, are permitted provided that the following conditions |
8 * are met: | 8 * are met: |
9 * 1. Redistributions of source code must retain the above copyright | 9 * 1. Redistributions of source code must retain the above copyright |
10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
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179 | 179 |
180 void createImageBufferUsingSurfaceForTesting(PassOwnPtr<ImageBufferSurface>)
; | 180 void createImageBufferUsingSurfaceForTesting(PassOwnPtr<ImageBufferSurface>)
; |
181 | 181 |
182 static void registerRenderingContextFactory(PassOwnPtr<CanvasRenderingContex
tFactory>); | 182 static void registerRenderingContextFactory(PassOwnPtr<CanvasRenderingContex
tFactory>); |
183 void updateExternallyAllocatedMemory() const; | 183 void updateExternallyAllocatedMemory() const; |
184 | 184 |
185 void styleDidChange(const ComputedStyle* oldStyle, const ComputedStyle& newS
tyle); | 185 void styleDidChange(const ComputedStyle* oldStyle, const ComputedStyle& newS
tyle); |
186 | 186 |
187 void notifyListenersCanvasChanged(); | 187 void notifyListenersCanvasChanged(); |
188 | 188 |
| 189 // For Canvas HitRegions |
189 bool isSupportedInteractiveCanvasFallback(const Element&); | 190 bool isSupportedInteractiveCanvasFallback(const Element&); |
190 std::pair<Element*, String> getControlAndIdIfHitRegionExists(const LayoutPoi
nt&); | 191 std::pair<Element*, String> getControlAndIdIfHitRegionExists(const LayoutPoi
nt&); |
| 192 String getIdFromControl(const Element*); |
191 | 193 |
192 protected: | 194 protected: |
193 void didMoveToNewDocument(Document& oldDocument) override; | 195 void didMoveToNewDocument(Document& oldDocument) override; |
194 | 196 |
195 private: | 197 private: |
196 explicit HTMLCanvasElement(Document&); | 198 explicit HTMLCanvasElement(Document&); |
197 | 199 |
198 using ContextFactoryVector = Vector<OwnPtr<CanvasRenderingContextFactory>>; | 200 using ContextFactoryVector = Vector<OwnPtr<CanvasRenderingContextFactory>>; |
199 static ContextFactoryVector& renderingContextFactories(); | 201 static ContextFactoryVector& renderingContextFactories(); |
200 static CanvasRenderingContextFactory* getRenderingContextFactory(int); | 202 static CanvasRenderingContextFactory* getRenderingContextFactory(int); |
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236 mutable bool m_didFailToCreateImageBuffer; | 238 mutable bool m_didFailToCreateImageBuffer; |
237 bool m_imageBufferIsClear; | 239 bool m_imageBufferIsClear; |
238 OwnPtr<ImageBuffer> m_imageBuffer; | 240 OwnPtr<ImageBuffer> m_imageBuffer; |
239 | 241 |
240 mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platfor
ms that have to copy the image buffer to render (and for CSSCanvasValue). | 242 mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platfor
ms that have to copy the image buffer to render (and for CSSCanvasValue). |
241 }; | 243 }; |
242 | 244 |
243 } // namespace blink | 245 } // namespace blink |
244 | 246 |
245 #endif // HTMLCanvasElement_h | 247 #endif // HTMLCanvasElement_h |
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