/*

* Copyright (c) 2002-2009 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 CCLFITEMIMPL_H

#define CCLFITEMIMPL_H

//  INCLUDES

#include <MCLFModifiableItem.h>

#include <e32base.h>

#include <e32hashtab.h>

#include <mdesession.h>

// FORWARD DECLARATIONS

class CMdEObject;

class CCLFContainerItem;

class CCLFDbItemContainer;

// CLASS DECLARATION

/**

*  This class implements MCLFModifiableItem interface.

*

*  @lib ContentListingFramework.lib

*  @since Series 60 3.0

*/

NONSHARABLE_CLASS( CCLFItemImpl ) : public CBase,

                                    public MCLFItem

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CCLFItemImpl* NewLC( CCLFContainerItem& aContainerItem,

                                    CCLFDbItemContainer& aDbItemContainer );

        /**

        * Two-phased constructor.

        */

        static CCLFItemImpl* NewL( CCLFContainerItem& aContainerItem,

                                   CCLFDbItemContainer& aDbItemContainer );

        /**

        * Destructor.

        */

        virtual ~CCLFItemImpl();

    protected:  // Functions from base classes

        /**

        * From MCLFItem

        */

        virtual TCLFItemId ItemId() const;

        /**

        * From MCLFItem

        */

        virtual TCLFItemDataType DataType( TCLFFieldId aFieldId ) const;

        /**

        * From MCLFItem

        */

        virtual TInt GetField( TCLFFieldId aFieldId, TPtrC& aData ) const;

        /**

        * From MCLFItem

        */

        virtual TInt GetField( TCLFFieldId aFieldId, TInt32& aData ) const;

        /**

        * From MCLFItem

        */

        virtual TInt GetField( TCLFFieldId aFieldId, TTime& aData ) const;

    private:

        TBool DeduceFieldFromURI( const TCLFFieldId aFieldId, TPtrC& aValue ) const;

        /**

        * Map MdE object definition to CLF media type.

        * @param aObjectDef Object definition

        * @param aValue     Media type

        * @return           KErrNone if media type was identified.

        *                   KErrNotFound if media type was unknown.

        */

        TInt GetMediaTypeL( CMdEObjectDef& aObjectDef, TInt32& aValue ) const;

        void DetermineIfMusicL( CMdEObjectDef& aObjectDef, TInt32& aValue ) const;

        /**

        * Map CLF field to MdE property.

        * @param aField Field ID.

        * @return       Property name

        */

        static const TDesC& MapFieldToMdEProperty( TCLFFieldId aField );

        /**

        * C++ default constructor.

        */

        CCLFItemImpl( CCLFContainerItem& aContainerItem,

                             CCLFDbItemContainer& aDbItemContainer );

    private:    // Data

        // Ref

        CCLFContainerItem& iItem;

        // Ref

        const CMdEObject& iMdEObject;

        // Ref

        CCLFDbItemContainer& iDbItemContainer;

    };

// CLASS DECLARATION

/**

*  This class implements MCLFModifiableItem interface.

*

*  @lib N/A

*  @since Series 60 3.0

*/

NONSHARABLE_CLASS( CCLFModifiableItemImpl ) : public CBase,

                                              public MCLFModifiableItem

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CCLFModifiableItemImpl* NewL();

        /**

        * Destructor.

        */

        virtual ~CCLFModifiableItemImpl();

    protected:  // Functions from base classes

        /**

        * From MCLFModifiableItem

        */

        virtual TCLFItemId ItemId() const;

        /**

        * From MCLFModifiableItem

        */

        virtual TCLFItemDataType DataType( TCLFFieldId aFieldId ) const;

        /**

        * From MCLFModifiableItem

        */

        virtual TInt GetField( TCLFFieldId aFieldId, TPtrC& aData ) const;

        /**

        * From MCLFModifiableItem

        */

        virtual TInt GetField( TCLFFieldId aFieldId, TInt32& aData ) const;

        /**

        * From MCLFModifiableItem

        */

        virtual TInt GetField( TCLFFieldId aFieldId, TTime& aData ) const;

        /**

        * From MCLFModifiableItem

        */

        virtual void AddFieldL( TCLFFieldId aFieldID, const TDesC& aValue );

        /**

        * From MCLFModifiableItem

        */

        virtual void AddFieldL( TCLFFieldId aFieldID, TInt32 aValue );

        /**

        * From MCLFModifiableItem

        */

        virtual void AddFieldL( TCLFFieldId aFieldID, const TTime& aValue );

    private:

        /**

        * C++ default constructor.

        */

        inline CCLFModifiableItemImpl();

    private:    // Data

        RHashMap<TCLFFieldId, TInt32> iIntMap;

        RHashMap<TCLFFieldId, HBufC*> iTextMap;

        RHashMap<TCLFFieldId, TInt64> iTimeMap;

    };

#endif      // CCLFITEMIMPL_H

// End of File