/****************************************************************************
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the Qt3D module of the Qt Toolkit.
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** GNU Lesser General Public License Usage
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** file. Please review the following information to ensure the GNU Lesser
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
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** file. Please review the following information to ensure the GNU General
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****************************************************************************/

#ifndef PHOTOBROWSER3DVIEW_H
#define PHOTOBROWSER3DVIEW_H

#include "qglview.h"

QT_BEGIN_NAMESPACE
class QGLMaterialCollection;
class QGLSceneNode;
class QState;
class QStateMachine;
QT_END_NAMESPACE


class SkyBox;
class ImageDisplay;
class ImageManager;
class QAtlas;
class Buttons;
class QPhotoBrowser3DScene;
class PanController;
class QFocusAdaptor;

class PhotoBrowser3DView : public QGLView
{
    Q_OBJECT
public:
    PhotoBrowser3DView();
    ~PhotoBrowser3DView();
    void initializeGL(QGLPainter *);
    QPhotoBrowser3DScene *scene() { return m_scene; }
signals:
    void done();
    void zoom();
    void pan();
protected:
    void earlyPaintGL(QGLPainter *);
    void paintGL(QGLPainter *);
    void resizeGL(int w, int h);
    void wheelEvent(QWheelEvent *e);
    void keyPressEvent(QKeyEvent *e);
    void hideEvent(QHideEvent *e);
    void mousePressEvent(QMouseEvent *e);
private slots:
    void initialise();
    void zoomImage();
    void pickableDirty();
    void waitForExit();
    void goPan();
private:
    void registerPickableNodes();
    void setupStates();
    void nonThreadedFileLoad(const QUrl &url);
    void initialiseImageManager(const QUrl &url);

    QPhotoBrowser3DScene *m_scene;
    ImageDisplay *m_display;
    ImageManager *m_images;
    Buttons *m_buttons;
    SkyBox *m_skybox;
    QGLMaterialCollection *m_palette;
    QStateMachine *m_state;
    QState *m_app;
    QState *m_zoomed;
    QState *m_browse;
    QState *m_pan;
    QFocusAdaptor *m_fa;
    PanController *m_pc;
    bool m_pickableDirty;
    qreal m_displaySize;
    bool m_done;
    bool m_closing;
    bool m_updateRequired;
};

#endif // PHOTOBROWSER3DVIEW_H