/*

 * 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 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 yFlipRequest();

    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;

    FpsTimer m_fpsTimer;

};

#endif