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#ifndef QMIRCLIENTWINDOW_H
#define QMIRCLIENTWINDOW_H

#include <qpa/qplatformwindow.h>
#include <QSharedPointer>
#include <QMutex>

#include <mir_toolkit/common.h> // needed only for MirFormFactor enum

#include <memory>

#include <EGL/egl.h>

class QMirClientAppStateController;
class QMirClientDebugExtension;
class QMirClientNativeInterface;
class QMirClientInput;
class QMirClientScreen;
class UbuntuSurface;
struct MirSurface;
class MirConnection;

class QMirClientWindow : public QObject, public QPlatformWindow
{
    Q_OBJECT
public:
    QMirClientWindow(QWindow *w, QMirClientInput *input, QMirClientNativeInterface* native,
                     QMirClientAppStateController *appState, EGLDisplay eglDisplay,
                     MirConnection *mirConnection, QMirClientDebugExtension *debugExt);
    virtual ~QMirClientWindow();

    // QPlatformWindow methods.
    WId winId() const override;
    QRect geometry() const override;
    void setGeometry(const QRect&) override;
    void setWindowState(Qt::WindowStates state) override;
    void setWindowFlags(Qt::WindowFlags flags) override;
    void setVisible(bool visible) override;
    void setWindowTitle(const QString &title) override;
    void propagateSizeHints() override;
    bool isExposed() const override;

    QPoint mapToGlobal(const QPoint &pos) const override;
    QSurfaceFormat format() const override;

    // Additional Window properties exposed by NativeInterface
    MirFormFactor formFactor() const { return mFormFactor; }
    float scale() const { return mScale; }

    // New methods.
    void *eglSurface() const;
    MirSurface *mirSurface() const;
    void handleSurfaceResized(int width, int height);
    void handleSurfaceExposeChange(bool exposed);
    void handleSurfaceFocusChanged(bool focused);
    void handleSurfaceVisibilityChanged(bool visible);
    void handleSurfaceStateChanged(Qt::WindowState state);
    void onSwapBuffersDone();
    void handleScreenPropertiesChange(MirFormFactor formFactor, float scale);
    QString persistentSurfaceId();

private:
    void updateSurfaceState();
    mutable QMutex mMutex;
    const WId mId;
    Qt::WindowState mWindowState;
    Qt::WindowFlags mWindowFlags;
    bool mWindowVisible;
    bool mWindowExposed;
    QMirClientAppStateController *mAppStateController;
    QMirClientDebugExtension *mDebugExtention;
    QMirClientNativeInterface *mNativeInterface;
    std::unique_ptr<UbuntuSurface> mSurface;
    float mScale;
    MirFormFactor mFormFactor;
};

#endif // QMIRCLIENTWINDOW_H