/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef _RADIOVIEWBASE_H_

#define _RADIOVIEWBASE_H_

// System includes

#include <HbView>

#include <QScopedPointer>

#include <QSharedPointer>

// User includes

// Forward declarations

class RadioWindow;

class RadioStationModel;

class RadioUiLoader;

class HbAction;

class RadioUiEngine;

// Constants

namespace MenuItem

{

    enum CommonMenuItem

    {

        UseLoudspeaker,

        Exit

    };

}

// Class declaration

class RadioViewBase : public HbView

{

    Q_OBJECT

    Q_DISABLE_COPY( RadioViewBase )

public:

    explicit RadioViewBase( bool transient = true );

    virtual ~RadioViewBase();

    void setMembers( RadioWindow* mainWindow, RadioUiLoader* uiLoader );

    virtual void preLazyLoadInit();

    void initialize( QSharedPointer<RadioUiEngine> uiEngine );

    bool isInitialized() const;

    bool isTransient() const;

    void updateOrientation( Qt::Orientation orientation, bool forceUpdate = false );

    void bringToForeground();

protected slots:

    void updateAudioRouting( bool loudspeaker );

    void activatePreviousView();

    void quit();

private slots:

    void handleUserAnswer( HbAction* answer );   // Needed by HbMessageBox inconvenience API

protected:

// New functinos

    void initBackAction();

    void connectCommonMenuItem( int menuItem );

    void connectXmlElement( const QString& name, const char* signal, QObject* receiver, const char* slot );

    void connectViewChangeMenuItem( QString name, const char* slot );

    void loadSection( const QString& docml, const QString& section );

    void askQuestion( const QString& question );

private:

    virtual void init() = 0;

    virtual void setOrientation();

    virtual void userAccepted();

protected: // data

    /**

     * Pointer to the main window.

     * Not own.

     */

    RadioWindow*                        mMainWindow;

    /**

     * Pointer to the XML UI (DocML) loader

     * Own.

     */

    QScopedPointer<RadioUiLoader>       mUiLoader;

    /**

     * Pointer to the ui engine

     * Shared among all views and the radio window

     */

    QSharedPointer<RadioUiEngine>       mUiEngine;

    /**

     * Flag indicating whether or not the view is transient

     * Transient views are deleted when they are hidden.

     */

    bool                                mTransientView;

    /**

     * Route audio to Loudspeaker/Headset menu item

     */

    HbAction*                           mUseLoudspeakerAction;

    /**

     * View orientation.

     */

    Qt::Orientation                     mOrientation;

};

#endif // _RADIOVIEWBASE_H_