/****************************************************************************

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the plugins of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QDIRECFBWINDOWSURFACE_H

#define QDIRECFBWINDOWSURFACE_H

#include "qdirectfbpaintengine.h"

#include "qdirectfbpaintdevice.h"

#include "qdirectfbscreen.h"

#ifndef QT_NO_QWS_DIRECTFB

#include <private/qpaintengine_raster_p.h>

#include <private/qwindowsurface_qws_p.h>

#ifdef QT_DIRECTFB_TIMING

#include <qdatetime.h>

#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QDirectFBWindowSurface : public QWSWindowSurface, public QDirectFBPaintDevice

{

public:

    QDirectFBWindowSurface(DFBSurfaceFlipFlags flipFlags, QDirectFBScreen *scr);

    QDirectFBWindowSurface(DFBSurfaceFlipFlags flipFlags, QDirectFBScreen *scr, QWidget *widget);

    ~QDirectFBWindowSurface();

#ifdef QT_DIRECTFB_WM

    void raise();

#endif

    bool isValid() const;

    void setGeometry(const QRect &rect);

    QString key() const { return QLatin1String("directfb"); }

    QByteArray permanentState() const;

    void setPermanentState(const QByteArray &state);

    bool scroll(const QRegion &area, int dx, int dy);

    bool move(const QPoint &offset);

    QImage image() const { return QImage(); }

    QPaintDevice *paintDevice() { return this; }

    void flush(QWidget *widget, const QRegion &region, const QPoint &offset);

    void beginPaint(const QRegion &);

    void endPaint(const QRegion &);

    IDirectFBSurface *surfaceForWidget(const QWidget *widget, QRect *rect) const;

    IDirectFBSurface *directFBSurface() const;

#ifdef QT_DIRECTFB_WM

    IDirectFBWindow *directFBWindow() const;

#endif

private:

    void updateIsOpaque();

    void setOpaque(bool opaque);

    void releaseSurface();

    QDirectFBWindowSurface *sibling;

#ifdef QT_DIRECTFB_WM

    void createWindow(const QRect &rect);

    IDirectFBWindow *dfbWindow;

#else

    enum Mode {

        Primary,

        Offscreen

    } mode;

#endif

    DFBSurfaceFlipFlags flipFlags;

    bool boundingRectFlip;

    bool flushPending;

#ifdef QT_DIRECTFB_TIMING

    int frames;

    QTime timer;

#endif

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QT_NO_QWS_DIRECTFB

#endif // QDIRECFBWINDOWSURFACE_H