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1 /*
2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3  * Copyright (C) 2004, 2005, 2006, 2007, 2009 Apple Inc. All rights reserved.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public License
16  * along with this library; see the file COPYING.LIB.  If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  *
20  */
21 
22 #ifndef RenderReplaced_h
23 #define RenderReplaced_h
24 
25 #include "RenderBox.h"
26 
27 namespace WebCore {
28 
29 class RenderReplaced : public RenderBox {
30 public:
31     RenderReplaced(Node*);
32     RenderReplaced(Node*, const IntSize& intrinsicSize);
33     virtual ~RenderReplaced();
34 
35     virtual void destroy();
36 
37 protected:
38     virtual void layout();
39 
40     virtual IntSize intrinsicSize() const;
41 
42     virtual int computeReplacedLogicalWidth(bool includeMaxWidth = true) const;
43     virtual int computeReplacedLogicalHeight() const;
minimumReplacedHeight()44     virtual int minimumReplacedHeight() const { return 0; }
45 
46     virtual void setSelectionState(SelectionState);
47 
48     bool isSelected() const;
49 
50     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
51 
52     void setIntrinsicSize(const IntSize&);
53     virtual void intrinsicSizeChanged();
setHasIntrinsicSize()54     void setHasIntrinsicSize() { m_hasIntrinsicSize = true; }
55 
56     virtual void paint(PaintInfo&, int tx, int ty);
57     bool shouldPaint(PaintInfo&, int& tx, int& ty);
58     IntRect localSelectionRect(bool checkWhetherSelected = true) const; // This is in local coordinates, but it's a physical rect (so the top left corner is physical top left).
59 
60 private:
renderName()61     virtual const char* renderName() const { return "RenderReplaced"; }
62 
canHaveChildren()63     virtual bool canHaveChildren() const { return false; }
64 
65     virtual void computePreferredLogicalWidths();
66 
67     int calcAspectRatioLogicalWidth() const;
68     int calcAspectRatioLogicalHeight() const;
69 
paintReplaced(PaintInfo &,int,int)70     virtual void paintReplaced(PaintInfo&, int /*tx*/, int /*ty*/) { }
71 
72     virtual IntRect clippedOverflowRectForRepaint(RenderBoxModelObject* repaintContainer);
73 
74     virtual unsigned caretMaxRenderedOffset() const;
75     virtual VisiblePosition positionForPoint(const IntPoint&);
76 
canBeSelectionLeaf()77     virtual bool canBeSelectionLeaf() const { return true; }
78 
79     virtual IntRect selectionRectForRepaint(RenderBoxModelObject* repaintContainer, bool clipToVisibleContent = true);
80 
81     IntSize m_intrinsicSize;
82     bool m_hasIntrinsicSize;
83 };
84 
85 }
86 
87 #endif
88