/*

* Copyright (c) 2002 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:  An App UI class, CCalcAppUi, derived from CAknViewAppUi

*

*/

#ifndef     CALCAPPUI_H

#define     CALCAPPUI_H

//  INCLUDES

#include <aknViewAppUi.h>

//  FORWARD DECLARATIONS

class   CCalcAppEnv;

class   CEnvironmentChangeNotifier;

//  CLASS DEFINITIONS 

/**

CCalcAppUi : 'AppUi' class

*/

class   CCalcAppUi

      :public CAknViewAppUi

    {

    public:     // Constructors and destructor

        /**

        * C++ default constructor.

        */

        CCalcAppUi();

        /**

        * Destructor.

        */

        virtual ~CCalcAppUi();

    public: // New functions

        /**

        * Exit Calculator application.

        */

        void ExitCalculator();

		/**

		* Returns ETrue value when the skin change event has occured.

		*/

		inline TBool IsSkinChanged()const;

		/**

		* Sets the value to ETrue when the skin changes

		* @param aETrue : Boolean value to set the iIsSkinChanged variable to ETtrue.

        */

		inline void SetSkinChanged(TBool aETrue); 

    private: // New functions

        /**

        * This function is called when locale is changed.

        * @param aThisPtr : Specified in TCallback constructor.

        * @return EFalse

        */

        static TInt LocaleCallback(TAny* aThisPtr);

        /**

        * Handle locale change event.

        */

        void HandleLocaleChangeEvent();

    private: // Functions from base classes

        /**

        * From CEikAppUi, default constructor

        */

        void ConstructL(); 

        /**

        * From CEikAppUi, Handle Exit command.

        * Other command is handled in CCalcView::HandleCommandL().

        * @param : aCommand : command ID

        */

        void HandleCommandL(TInt aCommand);

		/**

		*To handle the event when the skin changes.

		*@param aType :This is used to check whether the skin changes or not.

        */

		void HandleResourceChangeL(TInt aType);

		/**

		*Handles events sent to the application by the window server.

		*@param aEvent : window server event.

		*@param aDestination : The control associated with the event. 

		**/

        void HandleWsEventL( const TWsEvent& aEvent, CCoeControl* aDestination );

    private:    // Data

        CCalcAppEnv* iCalcAppEnv; // Calculator environment

        CEnvironmentChangeNotifier* iLocaleChangeNotifier;

                                        // For locale change notifier

		TBool			iIsSkinChanged; // For Skin change notification

    };

#include"CalcAppUi.inl"

#endif      //  CALCAPPUI_H

// End of File