/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

*

*

*

*/

#ifndef __GINEBRA_CONTENTTOOLBARCHROMEITEM_H

#define __GINEBRA_CONTENTTOOLBARCHROMEITEM_H

#include <QtGui>

#include "ToolbarChromeItem.h"

class QTimeLine;

class QTimer;

namespace GVA {

  class ToolbarFadeAnimator: public QObject

  {

    Q_OBJECT

    public:

      ToolbarFadeAnimator();

      ~ToolbarFadeAnimator();

      void start(bool visible);

      void stop();

    private slots:

      void valueChange(qreal step);

    Q_SIGNALS:

      void updateVisibility(qreal step);

      void finished();

    private:

      QTimeLine *m_timeLine;

  };

  class ContentToolbarChromeItem : public ToolbarChromeItem

  {

    Q_OBJECT

    enum  ContentToolbarState {

    };

    public:

      ContentToolbarChromeItem(QGraphicsItem* parent = 0);

      virtual ~ContentToolbarChromeItem();

      virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* opt, QWidget* widget);

    protected:

      virtual void resizeEvent(QGraphicsSceneResizeEvent * ev);

    private slots:

      void onInactivityTimer();

      void onAnimFinished();

      void onUpdateVisibility(qreal);

      void onMVCloseComplete();

    private:

      void addFullBackground();

      void changeState( ContentToolbarState state, bool animate = false);

      void onStateEntry(ContentToolbarState state, bool animate);

      bool mvSnippetVisible();

      // State Enter and Exit functions

      void  stateEnterFull(bool);

      void  stateEnterPartial(bool animate=false);

      void  stateEnterAnimToPartial(bool animate =false);

      void  stateEnterAnimToFull(bool animate =false);

      ToolbarFadeAnimator * m_animator;

      QPainterPath* m_background;

      QTimer* m_inactivityTimer;

      qreal m_bgopacity;

      ContentToolbarState m_state;

  };

} // end of namespace GVA

#endif // __GINEBRA_CONTENTTOOLBARCHROMEITEM_H