/*

* 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:  Helper class for checking synch state.

*

*/

#ifndef CCASYNCCHECKER_H

#define CCASYNCCHECKER_H

#include "mcastoredcontactsobserver.h"

#include "mcacontactlists.h"

#include "e32base.h"

// FORWARD DECLARATIONS

/**

 *  Helper class for checking synch state.

 *

 *  @lib caengine.dll

 *  @since S60 v3.1

 */

NONSHARABLE_CLASS( CCASyncChecker ) : public CBase,

        public MCAStoredContactsObserver

    {

private: // construction

    /**

     * Create synch checker

     * @return ETrue if success. EFalse if fail

     */

    static CCASyncChecker* NewLC();

    /**

     * Destruction

     */

    ~CCASyncChecker();

private: // Helper methods

    /**

     * Wait for sync to complete.

     * @return success.

     */

    TBool WaitForSyncCompleteL();

    /**

     * Check if sync is done

     * @return ETrue if sync is done

     */

    TBool IsSyncDoneL();

public: // New functions

    /**

     * Check synch

     * If this is called when client is not logged in, it will return EFalse.

     * @return ETrue if success. EFalse if fail

     */

    static TBool CheckSyncStateL();

private: // From MCAStoredContactsObserver

    /**

     * @see MCAStoredContactsObserver

     */

    void HandleContactDelete( const TDesC& aContactId );

    /**

     * @see MCAStoredContactsObserver

     */

    void HandleAddition( MCAContactList& aList, MCAStoredContact& aContact );

    /**

     * @see MCAStoredContactsObserver

     */

    void HandleChange( MCAContactList* aList, MCAStoredContact* aContact,

                       TStorageManagerGlobals::TCAObserverEventType aEventType,

                       TBool aUserIdChanged );

private: // Data

    CActiveSchedulerWait iWait;

    };

#endif // CCASYNCCHECKER_H