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1 /* | 1 /* |
2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. |
3 * Copyright (C) 2013 Intel Corporation. All rights reserved. | 3 * Copyright (C) 2013 Intel Corporation. All rights reserved. |
4 * | 4 * |
5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. | 5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. |
6 * | 6 * |
7 * Other contributors: | 7 * Other contributors: |
8 * Robert O'Callahan <roc+@cs.cmu.edu> | 8 * Robert O'Callahan <roc+@cs.cmu.edu> |
9 * David Baron <dbaron@fas.harvard.edu> | 9 * David Baron <dbaron@fas.harvard.edu> |
10 * Christian Biesinger <cbiesinger@web.de> | 10 * Christian Biesinger <cbiesinger@web.de> |
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280 // This returns true if our document is in a phase of its lifestyle during w
hich | 280 // This returns true if our document is in a phase of its lifestyle during w
hich |
281 // compositing state may legally be read. | 281 // compositing state may legally be read. |
282 bool isAllowedToQueryCompositingState() const; | 282 bool isAllowedToQueryCompositingState() const; |
283 | 283 |
284 // Don't null check this. | 284 // Don't null check this. |
285 CompositedLayerMapping* compositedLayerMapping() const; | 285 CompositedLayerMapping* compositedLayerMapping() const; |
286 // FIXME: This should return a reference. | 286 // FIXME: This should return a reference. |
287 CompositedLayerMapping* ensureCompositedLayerMapping(); | 287 CompositedLayerMapping* ensureCompositedLayerMapping(); |
288 GraphicsLayer* graphicsLayerBacking() const; | 288 GraphicsLayer* graphicsLayerBacking() const; |
289 GraphicsLayer* graphicsLayerBackingForScrolling() const; | 289 GraphicsLayer* graphicsLayerBackingForScrolling() const; |
290 // NOTE: If you are using hasCompositedLayerMapping to determine the state o
f compositing for this layer, | 290 |
291 // (and not just to do bookkeeping related to the mapping like, say, allocat
ing or deallocating a mapping), | |
292 // then you may have incorrect logic. Use compositingState() instead. | |
293 // FIXME: This is identical to null checking compositedLayerMapping(), why n
ot just call that? | |
294 bool hasCompositedLayerMapping() const { return m_compositedLayerMapping.get
(); } | |
295 void clearCompositedLayerMapping(bool layerBeingDestroyed = false); | 291 void clearCompositedLayerMapping(bool layerBeingDestroyed = false); |
296 CompositedLayerMapping* groupedMapping() const { return m_groupedMapping; } | 292 CompositedLayerMapping* groupedMapping() const { return m_groupedMapping; } |
297 void setGroupedMapping(CompositedLayerMapping* groupedMapping, bool layerBei
ngDestroyed = false); | 293 void setGroupedMapping(CompositedLayerMapping* groupedMapping, bool layerBei
ngDestroyed = false); |
298 | 294 |
299 bool hasCompositedMask() const; | 295 bool hasCompositedMask() const; |
300 bool hasCompositedClippingMask() const; | 296 bool hasCompositedClippingMask() const; |
301 bool needsCompositedScrolling() const { return m_scrollableArea && m_scrolla
bleArea->needsCompositedScrolling(); } | 297 bool needsCompositedScrolling() const { return m_scrollableArea && m_scrolla
bleArea->needsCompositedScrolling(); } |
302 | 298 |
303 // Computes the position of the given render object in the space of |paintIn
validationContainer|. | 299 // Computes the position of the given render object in the space of |paintIn
validationContainer|. |
304 // FIXME: invert the logic to have paint invalidation containers take care o
f painting objects into them, rather than the reverse. | 300 // FIXME: invert the logic to have paint invalidation containers take care o
f painting objects into them, rather than the reverse. |
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682 | 678 |
683 } // namespace blink | 679 } // namespace blink |
684 | 680 |
685 #ifndef NDEBUG | 681 #ifndef NDEBUG |
686 // Outside the WebCore namespace for ease of invocation from gdb. | 682 // Outside the WebCore namespace for ease of invocation from gdb. |
687 void showLayerTree(const blink::RenderLayer*); | 683 void showLayerTree(const blink::RenderLayer*); |
688 void showLayerTree(const blink::RenderObject*); | 684 void showLayerTree(const blink::RenderObject*); |
689 #endif | 685 #endif |
690 | 686 |
691 #endif // RenderLayer_h | 687 #endif // RenderLayer_h |
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