/*

* 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:  Manager for all adapters.

*

*/

#ifndef CWPADAPTERMANAGER_H

#define CWPADAPTERMANAGER_H

// INCLUDES

#include <e32base.h>

#include "MWPContextExtensionArray.h"

// FORWARD DECLARATIONS

class CWPAdapter;

class MWPPairVisitor;

class CWPRoot;

class MWPContextManager;

// CLASS DECLARATION

/**

*  CWPAdapterManager owns and controls all adapters.

*

*  @lib ProvisioningEngine

*  @since 2.0

*/ 

class CWPAdapterManager : public CBase, public MWPContextExtensionArray

    {

    public:

        /**

        * Two-phased constructor.

        * @return Adapter manager

        */

        static CWPAdapterManager* NewL();

        /**

        * Two-phased constructor.

        * @return Adapter manager

        */

        static CWPAdapterManager* NewLC();

        /**

        * Destructor.

        */

        ~CWPAdapterManager();

    public: // From MWPContextExtensionArray

        TInt MwpceCount() const;

        MWPContextExtension&  MwpcePoint(TInt aIndex);

    public: // New methods

        /**

        * Populates adapters with a document.

        * @param aRoot The document root

        */

        void PopulateL( CWPRoot& aRoot );

        /**

        * Returns the number of settings items.

        * @return Number of saveable settings items

        */

        TInt ItemCount() const;

        /**

        * Returns a summary title.

        * @param aIndex Number of the setting item to read

        * @return The summary title for the item

        */

        const TDesC16& SummaryTitle(TInt aIndex) const;

        /**

        * Returns a summary text.

        * @param aIndex Number of the setting item to read

        * @return The summary text for the item

        */

        const TDesC16& SummaryText(TInt aIndex) const;

        /**

        * Calls a visitor for each details line of a particular item.

        * @param aIndex The number of the item

        * @param aVisitor The visitor to call

        * @return KErrNotSupported if not supported

        */

        TInt DetailsL(TInt aIndex, MWPPairVisitor& aVisitor);

        /**

        * Saves one setting.

        * @param aItem Setting number

        * @param aManager The context manager

        */

        void SaveL( MWPContextManager& aManager, TInt aItem );

        /**

        * Checks if the setting can be set as default.

        * @param aItem Setting number

        * @return ETrue if the setting can be set as default

        */

        TBool CanSetAsDefault( TInt aItem ) const;

        /**

        * Sets the setting as default.

        * @param aItem Setting number

        */

        void SetAsDefaultL( TInt aItem );

    private:

        /**

        * Converts an item number into a pair of adapter and adapter local item number.

        * @param aItem  Setting number

        * @param aAdapter Contains adapter number after the call

        * @param aAdapterIndex Contains adapter local item number after the call

        */

        void ItemIndex( TInt aItem , TInt& aAdapter, TInt& aAdapterIndex ) const;

    protected:

        /**

        * C++ default constructor.

        */

        CWPAdapterManager();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    protected:

        /// All adapters. Owns.

        CArrayPtr<CWPAdapter>* iAdapters;

        /// Setting item line indexes. Owns.

        RArray<TInt> iItemIndexes;

        /// Number of setting items.

        TInt iItemCount;

    };

#endif /* CWPADAPTERMANAGER_H */