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
178
179
180
181
182
183
184
185
186
187
188
189
|
/*
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
*
* 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 PageClientQt_h
#define PageClientQt_h
#include "QWebPageClient.h"
#include "qgraphicswebview.h"
#include "qwebframe.h"
#include "qwebframe_p.h"
#include "qwebpage.h"
#include "qwebpage_p.h"
#include <qgraphicsscene.h>
#include <qgraphicsview.h>
#include <qgraphicswidget.h>
#include <qmetaobject.h>
#include <qscrollbar.h>
#include <qstyleoption.h>
#include <qtimer.h>
#include <qwidget.h>
namespace WebCore {
class PageClientQWidget : public QWebPageClient {
public:
PageClientQWidget(QWidget* newView, QWebPage* newPage)
: view(newView)
, page(newPage)
{
Q_ASSERT(view);
}
virtual ~PageClientQWidget();
virtual bool isQWidgetClient() const { return true; }
virtual void scroll(int dx, int dy, const QRect&);
virtual void update(const QRect& dirtyRect);
virtual void repaintViewport();
virtual void setInputMethodEnabled(bool);
virtual bool inputMethodEnabled() const;
virtual void setInputMethodHints(Qt::InputMethodHints);
#ifndef QT_NO_CURSOR
virtual QCursor cursor() const;
virtual void updateCursor(const QCursor&);
#endif
virtual QPalette palette() const;
virtual int screenNumber() const;
virtual QObject* ownerWidget() const;
virtual QRect geometryRelativeToOwnerWidget() const;
virtual QPoint mapToOwnerWindow(const QPoint&) const;
virtual QObject* pluginParent() const;
virtual QStyle* style() const;
virtual bool viewResizesToContentsEnabled() const { return false; }
virtual QRectF windowRect() const;
virtual void setWidgetVisible(Widget*, bool visible);
virtual bool isViewVisible();
QWidget* view;
QWebPage* page;
};
#if !defined(QT_NO_GRAPHICSVIEW)
// the overlay is here for one reason only: to have the scroll-bars and other
// extra UI elements appear on top of any QGraphicsItems created by CSS compositing layers
class QGraphicsItemOverlay : public QGraphicsObject {
public:
QGraphicsItemOverlay(QGraphicsWidget* view, QWebPage* p)
: QGraphicsObject(view)
, q(view)
, page(p)
{
setPos(0, 0);
setFlag(QGraphicsItem::ItemUsesExtendedStyleOption, true);
setCacheMode(QGraphicsItem::DeviceCoordinateCache);
}
QRectF boundingRect() const
{
return q->boundingRect();
}
void paint(QPainter* painter, const QStyleOptionGraphicsItem* options, QWidget*)
{
page->mainFrame()->render(painter, static_cast<QWebFrame::RenderLayer>(QWebFrame::AllLayers&(~QWebFrame::ContentsLayer)), options->exposedRect.toRect());
}
void prepareGraphicsItemGeometryChange()
{
prepareGeometryChange();
}
QGraphicsWidget* q;
QWebPage* page;
};
class PageClientQGraphicsWidget : public QWebPageClient {
public:
PageClientQGraphicsWidget(QGraphicsWebView* newView, QWebPage* newPage)
: view(newView)
, page(newPage)
, viewResizesToContents(false)
, overlay(0)
{
Q_ASSERT(view);
// the overlay and stays alive for the lifetime of
// this QGraphicsWebView as the scrollbars are needed when there's no compositing
view->setFlag(QGraphicsItem::ItemUsesExtendedStyleOption);
}
virtual ~PageClientQGraphicsWidget();
virtual bool isQWidgetClient() const { return false; }
virtual void scroll(int dx, int dy, const QRect&);
virtual void update(const QRect& dirtyRect);
virtual void repaintViewport();
virtual void setInputMethodEnabled(bool);
virtual bool inputMethodEnabled() const;
virtual void setInputMethodHints(Qt::InputMethodHints);
#ifndef QT_NO_CURSOR
virtual QCursor cursor() const;
virtual void updateCursor(const QCursor&);
#endif
virtual QPalette palette() const;
virtual int screenNumber() const;
virtual QObject* ownerWidget() const;
virtual QRect geometryRelativeToOwnerWidget() const;
virtual QPoint mapToOwnerWindow(const QPoint&) const;
virtual QObject* pluginParent() const;
virtual QStyle* style() const;
virtual bool viewResizesToContentsEnabled() const { return viewResizesToContents; }
virtual void setWidgetVisible(Widget*, bool);
virtual bool isViewVisible();
#if USE(TILED_BACKING_STORE)
virtual QRectF graphicsItemVisibleRect() const;
#endif
virtual bool makeOpenGLContextCurrentIfAvailable();
virtual QRectF windowRect() const;
QGraphicsView* firstGraphicsView() const;
QGraphicsWebView* view;
QWebPage* page;
bool viewResizesToContents;
// the overlay gets instantiated when the root layer is attached, and get deleted when it's detached
QGraphicsItemOverlay* overlay;
// we need to put the root graphics layer behind the overlay (which contains the scrollbar)
enum { RootGraphicsLayerZValue, OverlayZValue };
};
#endif // QT_NO_GRAPHICSVIEW
}
#endif // PageClientQt
|
