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/*
* 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) { graphicsWebView()->setCacheMode(mode); }
QGraphicsItem::CacheMode itemCacheMode() { return graphicsWebView()->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);
qreal yRotation() const { return m_yRotation; }
GraphicsWebView* graphicsWebView() const { return m_item; }
public slots:
void updateFrameRate();
void animatedFlip();
void animatedYFlip();
void contentsSizeChanged(const QSize&);
void scrollRequested(int, int);
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;
};
inline void WebViewGraphicsBased::setYRotation(qreal angle)
{
QRectF r = graphicsWebView()->boundingRect();
graphicsWebView()->setTransform(QTransform()
.translate(r.width() / 2, r.height() / 2)
.rotate(angle, Qt::YAxis)
.translate(-r.width() / 2, -r.height() / 2));
m_yRotation = angle;
}
#endif
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