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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved. | 4 * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved. |
5 * Copyright (C) 2010, 2012 Google Inc. All rights reserved. | 5 * Copyright (C) 2010, 2012 Google Inc. All rights reserved. |
6 * | 6 * |
7 * This library is free software; you can redistribute it and/or | 7 * This library is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Library General Public | 8 * modify it under the terms of the GNU Library General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2 of the License, or (at your option) any later version. | 10 * version 2 of the License, or (at your option) any later version. |
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44 explicit RenderLayerModelObject(ContainerNode*); | 44 explicit RenderLayerModelObject(ContainerNode*); |
45 virtual ~RenderLayerModelObject(); | 45 virtual ~RenderLayerModelObject(); |
46 | 46 |
47 // This is the only way layers should ever be destroyed. | 47 // This is the only way layers should ever be destroyed. |
48 void destroyLayer(); | 48 void destroyLayer(); |
49 | 49 |
50 bool hasSelfPaintingLayer() const; | 50 bool hasSelfPaintingLayer() const; |
51 RenderLayer* layer() const { return m_layer.get(); } | 51 RenderLayer* layer() const { return m_layer.get(); } |
52 ScrollableArea* scrollableArea() const; | 52 ScrollableArea* scrollableArea() const; |
53 | 53 |
54 virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) O
VERRIDE; | 54 virtual void styleWillChange(StyleDifference, const RenderStyle& newStyle) o
verride; |
55 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OV
ERRIDE; | 55 virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) ov
erride; |
56 virtual void updateFromStyle() { } | 56 virtual void updateFromStyle() { } |
57 | 57 |
58 virtual LayerType layerTypeRequired() const = 0; | 58 virtual LayerType layerTypeRequired() const = 0; |
59 | 59 |
60 // Returns true if the background is painted opaque in the given rect. | 60 // Returns true if the background is painted opaque in the given rect. |
61 // The query rect is given in local coordinate system. | 61 // The query rect is given in local coordinate system. |
62 virtual bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const { re
turn false; } | 62 virtual bool backgroundIsKnownToBeOpaqueInRect(const LayoutRect&) const { re
turn false; } |
63 | 63 |
64 // This is null for anonymous renderers. | 64 // This is null for anonymous renderers. |
65 ContainerNode* node() const { return toContainerNode(RenderObject::node());
} | 65 ContainerNode* node() const { return toContainerNode(RenderObject::node());
} |
66 | 66 |
67 virtual void invalidateTreeIfNeeded(const PaintInvalidationState&) OVERRIDE; | 67 virtual void invalidateTreeIfNeeded(const PaintInvalidationState&) override; |
68 | 68 |
69 // Indicate that the contents of this renderer need to be repainted. Only ha
s an effect if compositing is being used, | 69 // Indicate that the contents of this renderer need to be repainted. Only ha
s an effect if compositing is being used, |
70 void setBackingNeedsPaintInvalidationInRect(const LayoutRect&, InvalidationR
eason) const; // r is in the coordinate space of this render object | 70 void setBackingNeedsPaintInvalidationInRect(const LayoutRect&, InvalidationR
eason) const; // r is in the coordinate space of this render object |
71 | 71 |
72 protected: | 72 protected: |
73 void createLayer(LayerType); | 73 void createLayer(LayerType); |
74 | 74 |
75 virtual void willBeDestroyed() OVERRIDE; | 75 virtual void willBeDestroyed() override; |
76 | 76 |
77 virtual void addLayerHitTestRects(LayerHitTestRects&, const RenderLayer*, co
nst LayoutPoint&, const LayoutRect&) const OVERRIDE; | 77 virtual void addLayerHitTestRects(LayerHitTestRects&, const RenderLayer*, co
nst LayoutPoint&, const LayoutRect&) const override; |
78 | 78 |
79 private: | 79 private: |
80 virtual bool isLayerModelObject() const OVERRIDE FINAL { return true; } | 80 virtual bool isLayerModelObject() const override final { return true; } |
81 | 81 |
82 OwnPtr<RenderLayer> m_layer; | 82 OwnPtr<RenderLayer> m_layer; |
83 | 83 |
84 // Used to store state between styleWillChange and styleDidChange | 84 // Used to store state between styleWillChange and styleDidChange |
85 static bool s_wasFloating; | 85 static bool s_wasFloating; |
86 }; | 86 }; |
87 | 87 |
88 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderLayerModelObject, isLayerModelObject()); | 88 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderLayerModelObject, isLayerModelObject()); |
89 | 89 |
90 } // namespace blink | 90 } // namespace blink |
91 | 91 |
92 #endif // RenderLayerModelObject_h | 92 #endif // RenderLayerModelObject_h |
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