/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** use the contact form at http://qt.digia.com/contact-us.
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** 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
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** 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
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****************************************************************************/

#ifndef QOFFSCREENWINDOW_H
#define QOFFSCREENWINDOW_H

#include <qpa/qplatformbackingstore.h>
#include <qpa/qplatformwindow.h>

#include <qhash.h>

QT_BEGIN_NAMESPACE

class QOffscreenWindow : public QPlatformWindow
{
public:
    QOffscreenWindow(QWindow *window);
    ~QOffscreenWindow();

    void setGeometry(const QRect &rect);
    void setWindowState(Qt::WindowState state);

    QMargins frameMargins() const;

    void setVisible(bool visible);
    void requestActivateWindow();

    WId winId() const;

    static QOffscreenWindow *windowForWinId(WId id);

private:
    void setFrameMarginsEnabled(bool enabled);
    void setGeometryImpl(const QRect &rect);

    QRect m_normalGeometry;
    QMargins m_margins;
    bool m_positionIncludesFrame;
    bool m_visible;
    bool m_pendingGeometryChangeOnShow;
    WId m_winId;

    static QHash<WId, QOffscreenWindow *> m_windowForWinIdHash;
};

QT_END_NAMESPACE

#endif