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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
Copyright (C) 1997 Martin Jones (mjones@kde.org)
(C) 1998 Waldo Bastian (bastian@kde.org)
(C) 1998, 1999 Torben Weis (weis@kde.org)
(C) 1999 Lars Knoll (knoll@kde.org)
(C) 1999 Antti Koivisto (koivisto@kde.org)
Copyright (C) 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 FrameView_h
#define FrameView_h
#include "ScrollView.h"
#include "IntSize.h"
#include <wtf/Forward.h>
#include <wtf/OwnPtr.h>
namespace WebCore {
class Color;
class Event;
class EventTargetNode;
class Frame;
class FrameViewPrivate;
class IntRect;
class PlatformMouseEvent;
class Node;
class RenderLayer;
class RenderObject;
class RenderPartObject;
class String;
template <typename T> class Timer;
class FrameView : public ScrollView {
public:
FrameView(Frame*);
// On the Mac, FrameViews always get their size from the underlying NSView,
// so passing in a size is nonsensical.
#if !PLATFORM(MAC)
FrameView(Frame*, const IntSize& initialSize);
#endif
virtual ~FrameView();
Frame* frame() const { return m_frame.get(); }
void clearFrame();
void ref() { ++m_refCount; }
void deref() { if (!--m_refCount) delete this; }
bool hasOneRef() { return m_refCount == 1; }
int marginWidth() const { return m_margins.width(); } // -1 means default
int marginHeight() const { return m_margins.height(); } // -1 means default
void setMarginWidth(int);
void setMarginHeight(int);
virtual void setVScrollbarMode(ScrollbarMode);
virtual void setHScrollbarMode(ScrollbarMode);
virtual void setScrollbarsMode(ScrollbarMode);
void layout(bool allowSubtree = true);
bool didFirstLayout() const;
void layoutTimerFired(Timer<FrameView>*);
void scheduleRelayout();
void scheduleRelayoutOfSubtree(RenderObject*);
void unscheduleRelayout();
bool layoutPending() const;
RenderObject* layoutRoot(bool onlyDuringLayout = false) const;
int layoutCount() const;
// These two helper functions just pass through to the RenderView.
bool needsLayout() const;
void setNeedsLayout();
bool needsFullRepaint() const;
void repaintRectangle(const IntRect&, bool immediate);
void resetScrollbars();
void clear();
bool isTransparent() const;
void setTransparent(bool isTransparent);
Color baseBackgroundColor() const;
void setBaseBackgroundColor(Color);
void adjustViewSize();
void initScrollbars();
virtual IntRect windowClipRect() const;
IntRect windowClipRect(bool clipToContents) const;
IntRect windowClipRectForLayer(const RenderLayer*, bool clipToLayerContents) const;
virtual void scrollRectIntoViewRecursively(const IntRect&);
virtual void setContentsPos(int x, int y);
String mediaType() const;
void setMediaType(const String&);
void setUseSlowRepaints();
void addSlowRepaintObject();
void removeSlowRepaintObject();
void beginDeferredRepaints();
void endDeferredRepaints();
#if ENABLE(DASHBOARD_SUPPORT)
void updateDashboardRegions();
#endif
void updateControlTints();
void restoreScrollbar();
void scheduleEvent(PassRefPtr<Event>, PassRefPtr<EventTargetNode>, bool tempEvent);
void pauseScheduledEvents();
void resumeScheduledEvents();
void postLayoutTimerFired(Timer<FrameView>*);
bool wasScrolledByUser() const;
void setWasScrolledByUser(bool);
void addWidgetToUpdate(RenderPartObject*);
void removeWidgetToUpdate(RenderPartObject*);
// FIXME: This function should be used by all platforms, but currently depends on ScrollView::children,
// which not all platforms have. Once FrameView and ScrollView are merged, this #if should be removed.
#if PLATFORM(WIN) || PLATFORM(GTK) || PLATFORM(QT)
void layoutIfNeededRecursive();
#endif
private:
void init();
virtual bool isFrameView() const;
bool scrollTo(const IntRect&);
bool useSlowRepaints() const;
void applyOverflowToViewport(RenderObject*, ScrollbarMode& hMode, ScrollbarMode& vMode);
void updateOverflowStatus(bool horizontalOverflow, bool verticalOverflow);
void dispatchScheduledEvents();
void performPostLayoutTasks();
unsigned m_refCount;
IntSize m_size;
IntSize m_margins;
OwnPtr<HashSet<RenderPartObject*> > m_widgetUpdateSet;
RefPtr<Frame> m_frame;
FrameViewPrivate* d;
};
}
#endif
|
