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Side by Side Diff: Source/core/layout/compositing/CompositingRequirementsUpdater.h

Issue 898783003: Move rendering/RenderLayer* to layout/ (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 5 years, 10 months ago
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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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27 #ifndef CompositingRequirementsUpdater_h 27 #ifndef CompositingRequirementsUpdater_h
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 Layer;
38 class RenderView; 38 class RenderView;
39 39
40 class CompositingRequirementsUpdater { 40 class CompositingRequirementsUpdater {
41 public: 41 public:
42 CompositingRequirementsUpdater(RenderView&, CompositingReasonFinder&); 42 CompositingRequirementsUpdater(RenderView&, CompositingReasonFinder&);
43 ~CompositingRequirementsUpdater(); 43 ~CompositingRequirementsUpdater();
44 44
45 // 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)
46 // For the z-order children of a compositing layer: 46 // For the z-order children of a compositing layer:
47 // 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
48 // be compositing in order to render above that layer. 48 // be compositing in order to render above that layer.
49 // 49 //
50 // If a child in the negative z-order list is compositing, then the lay er itself 50 // If a child in the negative z-order list is compositing, then the lay er itself
51 // must be compositing so that its contents render over that child. 51 // must be compositing so that its contents render over that child.
52 // This implies that its positive z-index children must also be composi ting. 52 // This implies that its positive z-index children must also be composi ting.
53 // 53 //
54 void update(RenderLayer* root); 54 void update(Layer* root);
55 55
56 private: 56 private:
57 class OverlapMap; 57 class OverlapMap;
58 class RecursionData; 58 class RecursionData;
59 59
60 void updateRecursive(RenderLayer* ancestorLayer, RenderLayer* currentLayer, OverlapMap&, RecursionData&, bool& descendantHas3DTransform, Vector<RenderLayer* >& unclippedDescendants, IntRect& absoluteDecendantBoundingBox); 60 void updateRecursive(Layer* ancestorLayer, Layer* currentLayer, OverlapMap&, RecursionData&, bool& descendantHas3DTransform, Vector<Layer*>& unclippedDescen dants, IntRect& absoluteDecendantBoundingBox);
61 61
62 RenderView& m_renderView; 62 RenderView& m_renderView;
63 CompositingReasonFinder& m_compositingReasonFinder; 63 CompositingReasonFinder& m_compositingReasonFinder;
64 }; 64 };
65 65
66 } // namespace blink 66 } // namespace blink
67 67
68 #endif // CompositingRequirementsUpdater_h 68 #endif // CompositingRequirementsUpdater_h
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