/*

* 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:  Contact matching strategy

*

*/

#ifndef CPHCNTCONTACTMATCHSTRATEGY_H

#define CPHCNTCONTACTMATCHSTRATEGY_H

#include <e32base.h>

#include <cenrepnotifyhandler.h>

#include <CVPbkPhoneNumberMatchStrategy.h>

#include "mphcntcontactmatchstrategy.h"

#include "mphcntcontactstoreeventobserver.h"

class CVPbkContactManager;

class MVPbkContactFindObserver;

class CVPbkPhoneNumberMatchStrategy;

class CRepository;

class CVPbkContactStoreUriArray;

class CPhCntContactStoreUris;

class CCntRawPhoneNumberExtractor;

/**

 *  Strategy for matcing CS contacts.

 *

 *  @lib PhoneCntFinder.lib

 *  @since S60 v3.1

 */

NONSHARABLE_CLASS( CPhCntContactMatchStrategy ) :

    public CBase,

    public MPhCntContactMatchStrategy,

    private MCenRepNotifyHandlerCallback,

    private MPhCntContactStoreEventObserver

    {

public:

    /**

     * Static contstructor.

     *

     * @since S60 v3.1

     * @param aContactManager Contact manager.

     * @param aUriArray Array of contact store URI's used.

     * @param aObserver Observer for finding contacts.

     */

    static CPhCntContactMatchStrategy* NewL(

        CVPbkContactManager& aContactManager,

        CPhCntContactStoreUris& aContactStoreUris,

        MVPbkContactFindObserver& aObserver,

    /**

     * Destructor.

     *

     * @since S60 v3.1

     */

    virtual ~CPhCntContactMatchStrategy();

// from base class MPhCntContactMatchStrategy

    /**

     * From MPhCntContactMatchStrategy

     *

     * @since S60 v3.1

     * @see MPhCntContactMatchStrategy

     */

    void FindMatchesL( const TDesC& aPhoneNumber );

private:

    /**

     * Creates contact match strategy with given numbers

     * of digits.

     *

     * @since S60 v3.1

     * @return Error code.

     */

    TInt CreateContactMatchStrategy();

// From base class MCenRepNotifyHandlerCallback

    /**

     * From base class MCenRepNotifyHandlerCallback

     * This callback method is used to notify the client about

     * changes for string value keys, i.e. key type is EStringKey.

     *

     * @param aId Id of the key that has changed.

     * @param aNewValue The new value of the key.

     */

    void HandleNotifyString( TUint32 aId, const TDesC16& aNewValue );

// From base class MPhCntContactStoreEventObserver

    /**

     * From MPhCntContactStoreEventObserver

     *

     * @since S60 v3.2

     * @see MPhCntContactStoreEventObserver.

     */

    void ContactStoreAvailabilityChanged();

    /**

     * Removes postfix from aNumber and starts the matching.

     */

    void MatchL( const TDesC& aNumber );

    /**

     * Method to ease unit testing. Creates the actual instance of iMatchStrategy.

     */

    virtual TInt DoCreateMatchStrategy();

    /**

     * Makes the actual matching request using number

     * Declared virtual to ease unit testing.

     */

    virtual void DoMatchL( const TDesC& aNumber );

protected:

    CPhCntContactMatchStrategy(

        CVPbkContactManager& aContactManager,

        CPhCntContactStoreUris& aContactStoreUris,

        MVPbkContactFindObserver& aObserver,

    void ConstructL();

private: // data

    /**

     * Match strategy.

     * Own.

     */

    CVPbkPhoneNumberMatchStrategy* iMatchStrategy;

    /**

     * Central repository instance, for getting

     * number of numbers used with contact matching.

     * Own.

     */

    CRepository* iCenRepSession;

    /**

     * For getting notifications of number of numbers

     * used with contact matching changes.

     * Own.

     */

    CCenRepNotifyHandler* iCenRepNotifyHandler;

     /**

      * Contact manager is needed with match strategy.

      * Not own.

      */

    CVPbkContactManager& iContactManager;

    /**

     * Gives active contact store uris.

     * Not own.

     */

    CPhCntContactStoreUris& iContactStoreUris;

     /**

     * Observer of matching.

     * Now own.

     */

    MVPbkContactFindObserver& iObserver;

     /**

      * URI's of the active contact stores, where contacts are

      * looked from.

      * Own.

      */

    CVPbkContactStoreUriArray* iUriArray;

    /**

     * Number of digits used with matching.

     */

    TInt iNumberOfDigits;

    /**

     * Number extractor.

     * Own.

     */

    CCntRawPhoneNumberExtractor* iNumberExtractor;

    };

#endif // CPHCNTCONTACTMATCHSTRATEGY_H