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Side by Side Diff: Source/core/layout/LayoutLayerModelObject.h

Issue 899163003: Move rendering/RenderObject to layout/LayoutObject. (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) 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.
11 * 11 *
12 * This library is distributed in the hope that it will be useful, 12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details. 15 * Library General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU Library General Public License 17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to 18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA. 20 * Boston, MA 02110-1301, USA.
21 */ 21 */
22 22
23 #ifndef LayoutLayerModelObject_h 23 #ifndef LayoutLayerModelObject_h
24 #define LayoutLayerModelObject_h 24 #define LayoutLayerModelObject_h
25 25
26 #include "core/rendering/RenderObject.h" 26 #include "core/layout/LayoutObject.h"
27 27
28 namespace blink { 28 namespace blink {
29 29
30 class Layer; 30 class Layer;
31 class LayerScrollableArea; 31 class LayerScrollableArea;
32 32
33 enum LayerType { 33 enum LayerType {
34 NoLayer, 34 NoLayer,
35 NormalLayer, 35 NormalLayer,
36 // A forced or overflow clip layer is required for bookkeeping purposes, 36 // A forced or overflow clip layer is required for bookkeeping purposes,
37 // but does not force a layer to be self painting. 37 // but does not force a layer to be self painting.
38 OverflowClipLayer, 38 OverflowClipLayer,
39 ForcedLayer 39 ForcedLayer
40 }; 40 };
41 41
42 class LayoutLayerModelObject : public RenderObject { 42 class LayoutLayerModelObject : public LayoutObject {
43 public: 43 public:
44 explicit LayoutLayerModelObject(ContainerNode*); 44 explicit LayoutLayerModelObject(ContainerNode*);
45 virtual ~LayoutLayerModelObject(); 45 virtual ~LayoutLayerModelObject();
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 Layer* layer() const { return m_layer.get(); } 51 Layer* layer() const { return m_layer.get(); }
52 LayerScrollableArea* scrollableArea() const; 52 LayerScrollableArea* 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(LayoutObject::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&, PaintInvalida tionReason) const; // r is in the coordinate space of this render object 70 void setBackingNeedsPaintInvalidationInRect(const LayoutRect&, PaintInvalida tionReason) 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 Layer*, const La youtPoint&, const LayoutRect&) const override; 77 virtual void addLayerHitTestRects(LayerHitTestRects&, const Layer*, const La youtPoint&, const LayoutRect&) const override;
78 78
79 void addChildFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& addition alOffset) const; 79 void addChildFocusRingRects(Vector<LayoutRect>&, const LayoutPoint& addition alOffset) const;
80 80
81 private: 81 private:
82 virtual bool isLayoutLayerModelObject() const override final { return true; } 82 virtual bool isLayoutLayerModelObject() const override final { return true; }
83 83
84 OwnPtr<Layer> m_layer; 84 OwnPtr<Layer> m_layer;
85 85
86 // Used to store state between styleWillChange and styleDidChange 86 // Used to store state between styleWillChange and styleDidChange
87 static bool s_wasFloating; 87 static bool s_wasFloating;
88 }; 88 };
89 89
90 DEFINE_RENDER_OBJECT_TYPE_CASTS(LayoutLayerModelObject, isLayoutLayerModelObject ()); 90 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutLayerModelObject, isLayoutLayerModelObject ());
91 91
92 } // namespace blink 92 } // namespace blink
93 93
94 #endif // LayoutLayerModelObject_h 94 #endif // LayoutLayerModelObject_h
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