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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 |
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171 | 171 |
172 // Walk the tree looking for layers with 3d transforms. Useful in case you n
eed | 172 // Walk the tree looking for layers with 3d transforms. Useful in case you n
eed |
173 // to know if there is non-affine content, e.g. for drawing into an image. | 173 // to know if there is non-affine content, e.g. for drawing into an image. |
174 bool has3DContent() const; | 174 bool has3DContent() const; |
175 | 175 |
176 // Most platforms connect compositing layer trees between iframes and their
parent document. | 176 // Most platforms connect compositing layer trees between iframes and their
parent document. |
177 // Some (currently just Mac) allow iframes to do their own compositing. | 177 // Some (currently just Mac) allow iframes to do their own compositing. |
178 static bool allowsIndependentlyCompositedFrames(const FrameView*); | 178 static bool allowsIndependentlyCompositedFrames(const FrameView*); |
179 bool shouldPropagateCompositingToEnclosingFrame() const; | 179 bool shouldPropagateCompositingToEnclosingFrame() const; |
180 | 180 |
181 HTMLFrameOwnerElement* enclosingFrameElement() const; | |
182 | |
183 static RenderLayerCompositor* frameContentsCompositor(RenderPart*); | 181 static RenderLayerCompositor* frameContentsCompositor(RenderPart*); |
184 // Return true if the layers changed. | 182 // Return true if the layers changed. |
185 static bool parentFrameContentLayers(RenderPart*); | 183 static bool parentFrameContentLayers(RenderPart*); |
186 | 184 |
187 // Update the geometry of the layers used for clipping and scrolling in fram
es. | 185 // Update the geometry of the layers used for clipping and scrolling in fram
es. |
188 void frameViewDidChangeLocation(const LayoutPoint& contentsOffset); | 186 void frameViewDidChangeLocation(const LayoutPoint& contentsOffset); |
189 void frameViewDidChangeSize(); | 187 void frameViewDidChangeSize(); |
190 void frameViewDidScroll(const LayoutPoint& = LayoutPoint()); | 188 void frameViewDidScroll(const LayoutPoint& = LayoutPoint()); |
191 | 189 |
192 String layerTreeAsText(bool showDebugInfo = false); | 190 String layerTreeAsText(bool showDebugInfo = false); |
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342 #endif | 340 #endif |
343 #if PROFILE_LAYER_REBUILD | 341 #if PROFILE_LAYER_REBUILD |
344 int m_rootLayerUpdateCount; | 342 int m_rootLayerUpdateCount; |
345 #endif | 343 #endif |
346 }; | 344 }; |
347 | 345 |
348 | 346 |
349 } // namespace WebCore | 347 } // namespace WebCore |
350 | 348 |
351 #endif // RenderLayerCompositor_h | 349 #endif // RenderLayerCompositor_h |
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