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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) Q_DECL_OVERRIDE;
    void setWindowState(Qt::WindowState state) Q_DECL_OVERRIDE;

    QMargins frameMargins() const Q_DECL_OVERRIDE;

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

    WId winId() const Q_DECL_OVERRIDE;

    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