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#ifndef WAYLANDSURFACEITEM_H
#define WAYLANDSURFACEITEM_H

#include <QSGItem>
#include <qsgtexture.h>

#include <private/qsgtextureprovider_p.h>

class WaylandSurface;
class WaylandSurfaceTextureProvider;

Q_DECLARE_METATYPE(WaylandSurface*)

class WaylandSurfaceItem : public QSGItem
{
    Q_OBJECT
    Q_PROPERTY(WaylandSurface* surface READ surface WRITE setSurface)
    Q_PROPERTY(bool paintEnabled READ paintEnabled WRITE setPaintEnabled)
    Q_PROPERTY(bool useTextureAlpha READ useTextureAlpha WRITE setUseTextureAlpha NOTIFY useTextureAlphaChanged)
    Q_PROPERTY(bool clientRenderingEnabled READ clientRenderingEnabled WRITE setClientRenderingEnabled NOTIFY clientRenderingEnabledChanged)
    Q_PROPERTY(bool touchEventsEnabled READ touchEventsEnabled WRITE setTouchEventsEnabled NOTIFY touchEventsEnabledChanged)

public:
    WaylandSurfaceItem(QSGItem *parent = 0);
    WaylandSurfaceItem(WaylandSurface *surface, QSGItem *parent = 0);
    ~WaylandSurfaceItem();

    void setSurface(WaylandSurface *surface);
    WaylandSurface *surface() const {return m_surface; }

    Q_INVOKABLE bool isYInverted() const;

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

    bool paintEnabled() const;
    bool useTextureAlpha() const  { return m_useTextureAlpha; }
    bool clientRenderingEnabled() const { return m_clientRenderingEnabled; }
    bool touchEventsEnabled() const { return m_touchEventsEnabled; }

    void setUseTextureAlpha(bool useTextureAlpha);
    void setClientRenderingEnabled(bool enabled);
    void setTouchEventsEnabled(bool enabled);

protected:
    void mousePressEvent(QMouseEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mouseReleaseEvent(QMouseEvent *event);

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

    void touchEvent(QTouchEvent *event);

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

private slots:
    void surfaceMapped(const QSize &size);
    void surfaceDestroyed(QObject *object);
    void surfaceDamaged(const QRect &);

signals:
    void useTextureAlphaChanged();
    void clientRenderingEnabledChanged();
    void touchEventsEnabledChanged();

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

private:
    QPoint toSurface(const QPointF &pos) const;
    void init(WaylandSurface *);

    WaylandSurface *m_surface;
    QSGTexture *m_texture;
    mutable WaylandSurfaceTextureProvider *m_provider;
    bool m_paintEnabled;
    bool m_useTextureAlpha;
    bool m_clientRenderingEnabled;
    bool m_touchEventsEnabled;
    bool m_damaged;
};

#endif