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#ifndef QWAYLANDSURFACEITEM_H
#define QWAYLANDSURFACEITEM_H

#include <QtCompositor/qwaylandexport.h>

#include <QtQuick/QQuickItem>
#include <QtQuick/qsgtexture.h>

#include <QtQuick/qsgtextureprovider.h>

#include <QtCompositor/qwaylandsurfaceview.h>
#include <QtCompositor/qwaylandquicksurface.h>

Q_DECLARE_METATYPE(QWaylandQuickSurface*)

QT_BEGIN_NAMESPACE

class QWaylandSurfaceTextureProvider;
class QMutex;

class Q_COMPOSITOR_EXPORT QWaylandSurfaceItem : public QQuickItem, public QWaylandSurfaceView
{
    Q_OBJECT
    Q_PROPERTY(QWaylandSurface* surface READ surface CONSTANT)
    Q_PROPERTY(bool paintEnabled READ paintEnabled WRITE setPaintEnabled)
    Q_PROPERTY(bool touchEventsEnabled READ touchEventsEnabled WRITE setTouchEventsEnabled NOTIFY touchEventsEnabledChanged)
    Q_PROPERTY(bool isYInverted READ isYInverted NOTIFY yInvertedChanged)
    Q_PROPERTY(bool resizeSurfaceToItem READ resizeSurfaceToItem WRITE setResizeSurfaceToItem NOTIFY resizeSurfaceToItemChanged)

public:
    QWaylandSurfaceItem(QWaylandQuickSurface *surface, QQuickItem *parent = 0);
    ~QWaylandSurfaceItem();

    Q_INVOKABLE bool isYInverted() const;

    bool isTextureProvider() const { return true; }
    QSGTextureProvider *textureProvider() const;

    bool paintEnabled() const;
    bool touchEventsEnabled() const { return m_touchEventsEnabled; }
    bool resizeSurfaceToItem() const { return m_resizeSurfaceToItem; }
    void updateTexture();

    void setTouchEventsEnabled(bool enabled);
    void setResizeSurfaceToItem(bool enabled);

    void setPos(const QPointF &pos) Q_DECL_OVERRIDE;
    QPointF pos() const Q_DECL_OVERRIDE;

protected:
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);
    void hoverEnterEvent(QHoverEvent *event);
    void hoverMoveEvent(QHoverEvent *event);
    void hoverLeaveEvent(QHoverEvent *event);
    void wheelEvent(QWheelEvent *event);

    void keyPressEvent(QKeyEvent *event);
    void keyReleaseEvent(QKeyEvent *event);

    void touchEvent(QTouchEvent *event);
    void mouseUngrabEvent() Q_DECL_OVERRIDE;

public slots:
    void takeFocus();
    void setPaintEnabled(bool paintEnabled);

private slots:
    void surfaceMapped();
    void surfaceUnmapped();
    void parentChanged(QWaylandSurface *newParent, QWaylandSurface *oldParent);
    void updateSize();
    void updateSurfaceSize();
    void updateBuffer(bool hasBuffer);

Q_SIGNALS:
    void touchEventsEnabledChanged();
    void yInvertedChanged();
    void resizeSurfaceToItemChanged();
    void surfaceDestroyed();

protected:
    QSGNode *updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *);

private:
    friend class QWaylandSurfaceNode;
    void init(QWaylandQuickSurface *);

    static QMutex *mutex;

    mutable QWaylandSurfaceTextureProvider *m_provider;
    bool m_paintEnabled;
    bool m_touchEventsEnabled;
    bool m_yInverted;
    bool m_resizeSurfaceToItem;
    bool m_newTexture;
};

QT_END_NAMESPACE

#endif
