/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QFBSCREEN_P_H
#define QFBSCREEN_P_H

#include <qpa/qplatformscreen.h>
#include <QtCore/QTimer>
#include <QtCore/QSize>

QT_BEGIN_NAMESPACE

class QFbWindow;
class QFbCursor;
class QPainter;

class QFbScreen : public QObject, public QPlatformScreen
{
    Q_OBJECT
public:
    QFbScreen();
    ~QFbScreen();

    virtual QRect geometry() const { return mGeometry; }
    virtual int depth() const { return mDepth; }
    virtual QImage::Format format() const { return mFormat; }
    virtual QSizeF physicalSize() const { return mPhysicalSize; }

    virtual void setGeometry(QRect rect);
    virtual void setDepth(int depth);
    virtual void setFormat(QImage::Format format);
    virtual void setPhysicalSize(QSize size);

    virtual void setDirty(const QRect &rect);

    virtual void removeWindow(QFbWindow * surface);
    virtual void addWindow(QFbWindow * surface);
    virtual void raise(QPlatformWindow * surface);
    virtual void lower(QPlatformWindow * surface);
    virtual QWindow *topLevelAt(const QPoint & p) const;

    QImage * image() const { return mScreenImage; }
    QPaintDevice * paintDevice() const { return mScreenImage; }

protected:
    QList<QFbWindow *> windowStack;
    QRegion repaintRegion;
    QFbCursor * cursor;
    QTimer redrawTimer;

protected slots:
    virtual QRegion doRedraw();

protected:
    QRect mGeometry;
    int mDepth;
    QImage::Format mFormat;
    QSizeF mPhysicalSize;
    QImage *mScreenImage;

private:
    QPainter *compositePainter;
    void generateRects();
    QList<QPair<QRect, int> > cachedRects;

    void invalidateRectCache() { isUpToDate = false; }
    friend class QFbWindow;
    bool isUpToDate;
};

QT_END_NAMESPACE

#endif // QFBSCREEN_P_H