/*

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

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:

*

*/

#ifndef VIEWCONTROLLER_H

#define VIEWCONTROLLER_H

#include <QObject>

#include <QMap>

#include "BWFGlobal.h"

#include "factory.h"

class ControllableView;

class QGraphicsScene;

class QWebFrame;

class BWF_EXPORT ViewController : public QObject, public Factory<ControllableView, QWidget, QString> {

    Q_OBJECT

  public:

    ViewController(QWidget *parentWidget,QGraphicsScene *scene = 0)

      : m_scene(scene),

        m_currentViewIndex(-1),

        m_viewParentWidget(parentWidget)

    {

        setObjectName("viewManager");

    }

    ~ViewController();

    ControllableView *createView(const QString &name, QWidget *parent = 0);

    ControllableView *getView(const QString &type) const;

    void addView(ControllableView *view,bool destroyOld=true);

    void removeView(ControllableView *view,bool destroyView=true);

    void setCurrent(ControllableView *view);

    ControllableView *currentView() const;

    void setChromeFrame(QWebFrame *frame);

    // temporary cleanup function without deleting of views for bedrock compatibility

    void cleanUp() { m_views.clear(); m_currentViewIndex = -1; }

    QObject *getCurrentView() const;

    Q_PROPERTY(QObject *currentView READ getCurrentView)

  public slots:

    void showContent(const QString &type);

    void freezeView();

    void unfreezeView();

  signals:

    void currentViewChanging();

    void currentViewChanged();

  protected:

    void showCurrentView();

    void hideCurrentView();

  protected:

    QList<ControllableView*> m_views;

    QGraphicsScene *m_scene;

    int m_currentViewIndex;

    QWidget* m_viewParentWidget;

};

#endif // VIEWCONTROLLER_H