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#ifndef QWAYLANDWINDOW_H
#define QWAYLANDWINDOW_H

#include <qpa/qplatformwindow.h>
#include <QtCore/QWaitCondition>

#include "qwaylanddisplay.h"

class QWaylandDisplay;
class QWaylandBuffer;
class QWaylandShellSurface;
class QWaylandExtendedSurface;
class QWaylandSubSurface;
class QWaylandDecoration;

struct wl_egl_window;

class QWaylandWindow : public QPlatformWindow
{
public:
    enum WindowType {
        Shm,
        Egl
    };

    QWaylandWindow(QWindow *window);
    ~QWaylandWindow();

    virtual WindowType windowType() const = 0;
    WId winId() const;
    void setVisible(bool visible);
    void setParent(const QPlatformWindow *parent);

    void setWindowTitle(const QString &title);

    void setGeometry(const QRect &rect);

    void configure(uint32_t edges, int32_t width, int32_t height);

    void attach(QWaylandBuffer *buffer);
    QWaylandBuffer *attached() const;

    void damage(const QRect &rect);

    void waitForFrameSync();

    QMargins frameMargins() const;

    struct wl_surface *wl_surface() const { return mSurface; }

    QWaylandShellSurface *shellSurface() const;
    QWaylandExtendedSurface *extendedWindow() const;
    QWaylandSubSurface *subSurfaceWindow() const;

    void handleContentOrientationChange(Qt::ScreenOrientation orientation);

    void setWindowState(Qt::WindowState state);
    void setWindowFlags(Qt::WindowFlags flags);

    bool isExposed() const;

    QWaylandDecoration *decoration() const;
    void setDecoration(QWaylandDecoration *decoration);


    void handleMouse(QWaylandInputDevice *inputDevice,
                     ulong timestamp,
                     const QPointF & local,
                     const QPointF & global,
                     Qt::MouseButtons b,
                     Qt::KeyboardModifiers mods);
    void handleMouseEnter();
    void handleMouseLeave();

    bool createDecoration();

protected:
    virtual void createDecorationInstance() {}

    QWaylandDisplay *mDisplay;
    struct wl_surface *mSurface;
    QWaylandShellSurface *mShellSurface;
    QWaylandExtendedSurface *mExtendedWindow;
    QWaylandSubSurface *mSubSurfaceWindow;

    QWaylandDecoration *mWindowDecoration;
    bool mMouseEventsInContentArea;
    Qt::MouseButtons mMousePressedInContentArea;

    QWaylandBuffer *mBuffer;
    WId mWindowId;
    bool mWaitingForFrameSync;
    struct wl_callback *mFrameCallback;
    QWaitCondition mFrameSyncWait;

    bool mSentInitialResize;

private:
    void handleMouseEventWithDecoration(QWaylandInputDevice *inputDevice,
                                        ulong timestamp,
                                        const QPointF & local,
                                        const QPointF & global,
                                        Qt::MouseButtons b,
                                        Qt::KeyboardModifiers mods);

    static const wl_callback_listener callbackListener;
    static void frameCallback(void *data, struct wl_callback *wl_callback, uint32_t time);

};


#endif // QWAYLANDWINDOW_H