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
|
/*
* Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in>
* Copyright (C) 2006 George Staikos <staikos@kde.org>
* Copyright (C) 2006 Dirk Mueller <mueller@kde.org>
* Copyright (C) 2006 Zack Rusin <zack@kde.org>
* Copyright (C) 2006 Simon Hausmann <hausmann@kde.org>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef webview_h
#define webview_h
#include "fpstimer.h"
#include "webpage.h"
#include <qwebview.h>
#include <qgraphicswebview.h>
#include <QGraphicsView>
#include <QGraphicsWidget>
#include <QTime>
class QStateMachine;
class WebViewTraditional : public QWebView {
Q_OBJECT
public:
WebViewTraditional(QWidget* parent) : QWebView(parent) {}
protected:
virtual void contextMenuEvent(QContextMenuEvent*);
virtual void mousePressEvent(QMouseEvent*);
};
class GraphicsWebView : public QGraphicsWebView {
Q_OBJECT
public:
GraphicsWebView(QGraphicsItem* parent = 0) : QGraphicsWebView(parent) {};
protected:
virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent*);
virtual void mousePressEvent(QGraphicsSceneMouseEvent*);
};
class WebViewGraphicsBased : public QGraphicsView {
Q_OBJECT
Q_PROPERTY(qreal yRotation READ yRotation WRITE setYRotation)
public:
WebViewGraphicsBased(QWidget* parent);
void setPage(QWebPage* page);
void setItemCacheMode(QGraphicsItem::CacheMode mode) { m_item->setCacheMode(mode); }
QGraphicsItem::CacheMode itemCacheMode() { return m_item->cacheMode(); }
void setFrameRateMeasurementEnabled(bool enabled);
bool frameRateMeasurementEnabled() const { return m_measureFps; }
virtual void resizeEvent(QResizeEvent*);
virtual void paintEvent(QPaintEvent* event);
void setResizesToContents(bool b);
bool resizesToContents() const { return m_resizesToContents; }
void setYRotation(qreal angle)
{
#if QT_VERSION >= QT_VERSION_CHECK(4, 6, 0)
QRectF r = m_item->boundingRect();
m_item->setTransform(QTransform()
.translate(r.width() / 2, r.height() / 2)
.rotate(angle, Qt::YAxis)
.translate(-r.width() / 2, -r.height() / 2));
#endif
m_yRotation = angle;
}
qreal yRotation() const
{
return m_yRotation;
}
GraphicsWebView* graphicsWebView() const { return m_item; }
public slots:
void updateFrameRate();
void animatedFlip();
void animatedYFlip();
void contentsSizeChanged(const QSize&);
signals:
void currentFPSUpdated(int fps);
private:
GraphicsWebView* m_item;
int m_numPaintsTotal;
int m_numPaintsSinceLastMeasure;
QTime m_startTime;
QTime m_lastConsultTime;
QTimer* m_updateTimer;
bool m_measureFps;
qreal m_yRotation;
bool m_resizesToContents;
QStateMachine* m_machine;
FpsTimer m_fpsTimer;
};
#endif
|
