/*

* Copyright (c) 2006 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:    GSFW plugin header for Presence Settings UI GS plugin.

*

*/

#ifndef PSUIGSPLUGIN_H

#define PSUIGSPLUGIN_H

//  INCLUDES

#include <ConeResLoader.h>

// FORWARD DECLARATIONS

class CPSUIGSPluginContainer;

class CPSUIGSPluginModel;

// CLASS DECLARATION

/**

* Header of CPSUIGSPlugin which implements the CGSPluginInterface.

*

* @lib PSUIGSPlugin.lib

* @since Series60_3.2

*/

    public MCoeViewDeactivationObserver

    {

    public: // Constructors and destructor

        /**

        * Symbian OS two-phased constructor

        */

        static CPSUIGSPlugin* NewL( TAny* aAppUi );

        /**

        * Destructor.

        */

        ~CPSUIGSPlugin();

    private: // Functions from base classes

        /**

        * From CAknView

        * See base class.

        */

        TUid Id() const;

        /**

        * From CAknView

        * See base class.

        */

        void DoActivateL( const TVwsViewId& aPrevViewId,

                          TUid aCustomMessageId,

                          const TDesC8& aCustomMessage );

        /**

        * From CAknView

        * See base class.

        */

        void DoDeactivate();

        /**

        * From CAknView

        * See base class.

        */

        void HandleCommandL( TInt aCommand );

        /**

        * From MEikMenuObserver

        * See base class.

        */

        void DynInitMenuPaneL( TInt aResourceId, CEikMenuPane *aMenuPane );

        /**

        * From MCoeViewDeactivationObserver

        * Used to be able to free memory when plugin get's closed.

        * See base class.

        */        

        void HandleViewDeactivation ( 

            const TVwsViewId& aViewIdToBeDeactivated,

            const TVwsViewId& aNewlyActivatedViewId );

    public: // New

        /**

        * Gives a handle to PS Model. Ownership is not transferred.

        *

        * @return handle to PS Model

        */       

        CPSUIGSPluginModel* PSModel();

        /**

        * Takes care of settings deletion.

        */        

        void DeleteSettingsL();        

    private: // New

        /**

        * Returns count and index of current item in listbox.

        *

        * @param aIndex returns the index. If no items, KErrNotFound.

        * @return TInt containing the count.

        */

        TInt SettingCountAndIndex( TInt& aIndex );

        /**

        * Shows the delete certain setting set confirmation note.

        *

        * @param aCount is the amount of all settings

        * @param aIndex is the to be deleted setting set

        * @return TBool about proceed with deletion.

        */        

        TBool AcceptDeletionL( TInt aCount, TInt aIndex );

        /**

        * Constructs the setting view

        */        

        void ConstructSettingViewL();

        /**

        * Removes the setting view

        */

        void RemoveSettingView();

        /**

        * Create new default settings and launch setting view

        */        

        void CreateNewDefaultSettingsL();

        /**

        * Create new a copy of existing settings and launch setting view

        */        

        void CreateCopyOfExistingSettingsL();

        /**

        * Toggles visibility of MSK depending on the amount of setting sets

        */        

        void UpdateMSK();

    private: // Constructors

        /**

        * C++ default constructor.

        */

        CPSUIGSPlugin();

        /**

        * Symbian OS default constructor.

        */

        void ConstructL();

    private: // Data

        // Presence UI model

        CPSUIGSPluginModel* iPSModel;

        // Indicates when PSUIGSPlugin's views are closed

        TBool iClosing;

        // Previous view

        TVwsViewId iPSUIGSPrevViewId; 

    };

#endif // PSUIGSPLUGIN_H

// End of File