/*

* Copyright (c) 2008 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:  Phone contact data store loader implementation.

*

*/

#ifndef C_PHCNTSTORELOADERIMPL_H

#define C_PHCNTSTORELOADERIMPL_H

#include "mphcntstoreloader.h"

#include "mphcntstoreloaderobserver.h"

#include "cphcntasynctosync.h"

class MPhCntContactManager;

class MVPbkContactStore;

/**

 *  Implements services to load contact data stores.

 *

 *  @lib phonecntfinder

 *  @since S60 9.1

 */

NONSHARABLE_CLASS( CPhCntStoreLoaderImpl ) 

        : 

        public CPhCntAsyncToSync,

        public MPhCntStoreLoader, 

        public MPhCntStoreLoaderObserver

    {

public:

    /**

     * Two-phased constructor.

     * @param aManager  Contact manager.

     */

    static CPhCntStoreLoaderImpl* NewL( MPhCntContactManager& aManager );

    /**

     * Two-phased constructor.

     * @param aManager  Contact manager.

     */

    static CPhCntStoreLoaderImpl* NewLC( MPhCntContactManager& aManager );

    /**

    * Destructor.

    */

    virtual ~CPhCntStoreLoaderImpl();

// from base class MPhCntStoreLoader

    /**

     * From MPhCntStoreLoader.

     *

     * @since S60 v9.1

     * @see MPhCntStoreLoader.

     */

    TBool IsContactStoreLoaded( const TDesC8& aContactLink ) const;

    /**

     * From MPhCntStoreLoader.

     * 

     * @since S60 v9.1

     * @see MPhCntStoreLoader.

     */

    void LoadContactStoreL( const TDesC8& aContactLink,

        MPhCntStoreLoaderObserver& aObserver );

// from base class MPhCntStoreLoaderObserver

    /**

     * From MPhCntStoreLoaderObserver.

     *

     * @since S60 v9.1

     * @see MPhCntStoreLoaderObserver.

     */

    void ContactStoreLoadingCompleted( 

        MVPbkContactStore* aStore, TInt aErrorCode );

public:   

    /**

     * Loads contact store with uri

     * 

     * @since S60 v5.1

     * @param aStoreUri Uri of the store to be loaded.

     */

    TInt LoadContactStoreWithUri( const TDesC& aStoreUri );

protected:

    /**

     * From CPhCntAsyncToSync.

     *

     * @since S60 v3.2

     * @see CPhCntAsyncToSync.    

     */

    void DoMakeAsyncRequestL();    

private:

    CPhCntStoreLoaderImpl( MPhCntContactManager& aManager );

    void ConstructL();

    TBool IsContactStoreLoadedL( const TDesC8& aContactLink ) const;

    TBool IsContactStoreLoadedL( const TDesC16& aContactStoreUri ) const;

private: // data

    /**

     * Contact manager.

     * Not own.

     */

    MPhCntContactManager& iContactManager;

    /**

     * Observer for contact store loading process.

     * Not own.

     */

    MPhCntStoreLoaderObserver* iObserver;

    /**

     * Pointer to uri of the store to be loaded.

     * Not own.

     */

    const TDesC* iStoreUri;

    };

#endif // C_PHCNTSTORELOADERIMPL_H