/*

* Copyright (c) 2010 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:  Declares container control for application.

*

*/

#ifndef USSDNAVIPANE_H

#define USSDNAVIPANE_H

// INCLUDES

#include <coecntrl.h>

#include <peninputclient.h>

// FORWARD DECLARATIONS

class CUssdAppUi;

class CAknNaviLabel;

class CAknNavigationDecorator;

class CAknNavigationControlContainer;

class CCnvCharacterSetConverter;

// CLASS DECLARATION

/**

*  CUssdNaviPane

*  Declares navi pane control for application.

*  @since 2.8.

*

*/

class CUssdNaviPane : public CCoeControl

    {

    public: // Constructors and destructor

        /**

        * Constructor.

        * @param aAppUi A reference to AppUI for container.

        */

        CUssdNaviPane( CUssdAppUi& aAppUi );

        /**

        * Two-phased constructor.

        * @param aAppUi A reference to AppUI for container.

        */

        static CUssdNaviPane*  NewL( CUssdAppUi& aAppUi );

        /**

        * 2nd phase constructor

        *  

        */

        void ConstructL();

        /**

        * Destructor.

        */

        ~CUssdNaviPane();

    public: // New functions

        /**

        * Update the message length information to navipane

        * @param aInputString Reference to a string to be checked

        * @param aControl for handling backspace key event

        * @return Updated value of maximum size of string

        */

        TInt UpdateMsgLengthL( 

            const TDesC& aInputString,

            CCoeControl* aControl );

    public: // Functions from base classes

    private: // Functions from base classes

    private: //new functions

        /**

        * Creates an extra navi label. It is needed so that the msg length

        * won't dissapear when the focus is on the picture of a picture msg.

        */

        void CreateExtraNaviLabelL();

        /**

        * Checks if there are any unicode characters in the message

        * @param aInputString Reference to a string to be checked

        * @return ETrue whether we have unicode chars otherwise EFalse

        */

        TBool NeedsToBeSentAsUnicodeL( const TDesC& aInputString ) const;

        /**

        * Counts if there are 7bit extended table characters in message 

        * (see more info from ETSI 03.38)

        * @param aInputString Reference to chars to be checked

        * @return amount of extended table chars

        */

        TInt CountExtendedTableChars( const TDesC& aInputString ) const;

        /**

        * Generates a backspace key press event.

        * @param aControl Reference to control class

        */

        void GenerateBackSpaceKeyL(CCoeControl* aControl);

    private: //data

        // Application UI.

        CUssdAppUi&                         iAppUi;

         // Char converter.

        CCnvCharacterSetConverter*          iCharacterSetConverter;

        // The navipane decorator.

        CAknNavigationDecorator*            iNaviDecorator;

        // The navipane label.

        CAknNaviLabel*                      iNaviLabel;

        // The navipane control container.

        CAknNavigationControlContainer*     iNaviPane;

        // Client for accessing pen editor (virtual keyboard)

        RPeninputServer iPeninputServer;

    };

#endif // USSDNAVIPANE_H

// End of File