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1 /* | 1 /* |
2 * Copyright (C) 2009, 2010 Apple Inc. All rights reserved. | 2 * Copyright (C) 2009, 2010 Apple Inc. All rights reserved. |
3 * Copyright (C) 2014 Google Inc. All rights reserved. | 3 * Copyright (C) 2014 Google Inc. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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28 #define CompositingRequirementsUpdater_h | 28 #define CompositingRequirementsUpdater_h |
29 | 29 |
30 #include "platform/geometry/IntRect.h" | 30 #include "platform/geometry/IntRect.h" |
31 #include "platform/graphics/CompositingReasons.h" | 31 #include "platform/graphics/CompositingReasons.h" |
32 #include "wtf/Vector.h" | 32 #include "wtf/Vector.h" |
33 | 33 |
34 namespace blink { | 34 namespace blink { |
35 | 35 |
36 class CompositingReasonFinder; | 36 class CompositingReasonFinder; |
37 class RenderLayer; | 37 class RenderLayer; |
38 class RenderObject; | |
39 class RenderView; | 38 class RenderView; |
40 | 39 |
41 class CompositingRequirementsUpdater { | 40 class CompositingRequirementsUpdater { |
42 public: | 41 public: |
43 CompositingRequirementsUpdater(RenderView&, CompositingReasonFinder&); | 42 CompositingRequirementsUpdater(RenderView&, CompositingReasonFinder&); |
44 ~CompositingRequirementsUpdater(); | 43 ~CompositingRequirementsUpdater(); |
45 | 44 |
46 // Recurse through the layers in z-index and overflow order (which is equiv
alent to painting order) | 45 // Recurse through the layers in z-index and overflow order (which is equiv
alent to painting order) |
47 // For the z-order children of a compositing layer: | 46 // For the z-order children of a compositing layer: |
48 // If a child layers has a compositing layer, then all subsequent layer
s must | 47 // If a child layers has a compositing layer, then all subsequent layer
s must |
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60 | 59 |
61 void updateRecursive(RenderLayer* ancestorLayer, RenderLayer* currentLayer,
OverlapMap&, RecursionData&, bool& descendantHas3DTransform, Vector<RenderLayer*
>& unclippedDescendants, IntRect& absoluteDecendantBoundingBox); | 60 void updateRecursive(RenderLayer* ancestorLayer, RenderLayer* currentLayer,
OverlapMap&, RecursionData&, bool& descendantHas3DTransform, Vector<RenderLayer*
>& unclippedDescendants, IntRect& absoluteDecendantBoundingBox); |
62 | 61 |
63 RenderView& m_renderView; | 62 RenderView& m_renderView; |
64 CompositingReasonFinder& m_compositingReasonFinder; | 63 CompositingReasonFinder& m_compositingReasonFinder; |
65 }; | 64 }; |
66 | 65 |
67 } // namespace blink | 66 } // namespace blink |
68 | 67 |
69 #endif // CompositingRequirementsUpdater_h | 68 #endif // CompositingRequirementsUpdater_h |
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