1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Copyright (C) 2001 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef RenderContainer_h
#define RenderContainer_h
#include "RenderBox.h"
namespace WebCore {
// Base class for rendering objects that can have children.
class RenderContainer : public RenderBox {
public:
RenderContainer(Node*);
virtual ~RenderContainer();
virtual RenderObject* firstChild() const { return m_firstChild; }
virtual RenderObject* lastChild() const { return m_lastChild; }
virtual bool canHaveChildren() const;
virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0);
virtual void removeChild(RenderObject*);
virtual void destroy();
void destroyLeftoverChildren();
virtual RenderObject* removeChildNode(RenderObject*, bool fullRemove = true);
virtual void appendChildNode(RenderObject*, bool fullAppend = true);
virtual void insertChildNode(RenderObject* child, RenderObject* before, bool fullInsert = true);
// Designed for speed. Don't waste time doing a bunch of work like layer updating and repainting when we know that our
// change in parentage is not going to affect anything.
virtual void moveChildNode(RenderObject* child) { appendChildNode(child->parent()->removeChildNode(child, false), false); }
virtual void layout();
virtual void calcPrefWidths() { setPrefWidthsDirty(false); }
virtual void removeLeftoverAnonymousBlock(RenderBlock* child);
RenderObject* beforeAfterContainer(RenderStyle::PseudoId);
virtual void updateBeforeAfterContent(RenderStyle::PseudoId);
void updateBeforeAfterContentForContainer(RenderStyle::PseudoId, RenderContainer*);
bool isAfterContent(RenderObject* child) const;
virtual void invalidateCounters();
virtual VisiblePosition positionForCoordinates(int x, int y);
virtual void addLineBoxRects(Vector<IntRect>&, unsigned startOffset = 0, unsigned endOffset = UINT_MAX, bool useSelectionHeight = false);
virtual void collectAbsoluteLineBoxQuads(Vector<FloatQuad>&, unsigned startOffset = 0, unsigned endOffset = UINT_MAX, bool useSelectionHeight = false);
private:
RenderObject* m_firstChild;
RenderObject* m_lastChild;
};
} // namespace WebCore
#endif // RenderContainer_h
|
