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simon.fraser@apple.come1e3f8f2009-02-04 02:41:38 +00001/*
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 *
23 */
24
eric@webkit.org83cb6022010-06-23 06:44:40 +000025#ifndef RenderSelectionInfo_h
26#define RenderSelectionInfo_h
simon.fraser@apple.come1e3f8f2009-02-04 02:41:38 +000027
28#include "IntRect.h"
29#include "RenderBox.h"
30
31namespace WebCore {
32
ossy@webkit.org95c1bc42011-01-20 16:30:54 +000033class RenderSelectionInfoBase {
34 WTF_MAKE_NONCOPYABLE(RenderSelectionInfoBase); WTF_MAKE_FAST_ALLOCATED;
simon.fraser@apple.come1e3f8f2009-02-04 02:41:38 +000035public:
36 RenderSelectionInfoBase()
37 : m_object(0)
38 , m_repaintContainer(0)
39 , m_state(RenderObject::SelectionNone)
40 {
41 }
42
43 RenderSelectionInfoBase(RenderObject* o)
44 : m_object(o)
45 , m_repaintContainer(o->containerForRepaint())
46 , m_state(o->selectionState())
47 {
48 }
49
50 RenderObject* object() const { return m_object; }
hyatt@apple.com80ab6e92009-02-05 17:24:00 +000051 RenderBoxModelObject* repaintContainer() const { return m_repaintContainer; }
simon.fraser@apple.come1e3f8f2009-02-04 02:41:38 +000052 RenderObject::SelectionState state() const { return m_state; }
53
54protected:
55 RenderObject* m_object;
hyatt@apple.com80ab6e92009-02-05 17:24:00 +000056 RenderBoxModelObject* m_repaintContainer;
simon.fraser@apple.come1e3f8f2009-02-04 02:41:38 +000057 RenderObject::SelectionState m_state;
58};
59
60// This struct is used when the selection changes to cache the old and new state of the selection for each RenderObject.
61class RenderSelectionInfo : public RenderSelectionInfoBase {
62public:
63 RenderSelectionInfo(RenderObject* o, bool clipToVisibleContent)
64 : RenderSelectionInfoBase(o)
65 , m_rect(o->needsLayout() ? IntRect() : o->selectionRectForRepaint(m_repaintContainer, clipToVisibleContent))
66 {
67 }
68
69 void repaint()
70 {
71 m_object->repaintUsingContainer(m_repaintContainer, m_rect);
72 }
73
74 IntRect rect() const { return m_rect; }
75
76private:
77 IntRect m_rect; // relative to repaint container
78};
79
80
81// This struct is used when the selection changes to cache the old and new state of the selection for each RenderBlock.
82class RenderBlockSelectionInfo : public RenderSelectionInfoBase {
83public:
84 RenderBlockSelectionInfo(RenderBlock* b)
85 : RenderSelectionInfoBase(b)
86 , m_rects(b->needsLayout() ? GapRects() : block()->selectionGapRectsForRepaint(m_repaintContainer))
87 {
88 }
89
90 void repaint()
91 {
92 m_object->repaintUsingContainer(m_repaintContainer, m_rects);
93 }
94
95 RenderBlock* block() const { return toRenderBlock(m_object); }
96 GapRects rects() const { return m_rects; }
97
98private:
99 GapRects m_rects; // relative to repaint container
100};
101
102} // namespace WebCore
103
104
eric@webkit.org83cb6022010-06-23 06:44:40 +0000105#endif // RenderSelectionInfo_h