/*

* Copyright (c) 2007-2009 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:  Implementation of CMRUtils ECom API.

*

*/

#ifndef CESMRUTILS_H

#define CESMRUTILS_H

//  INCLUDE FILES

#include <e32base.h>

#include <CMRUtils.h>

#include "esmrdef.h"

// FORWARD DECLARATIONS

class CCalEntry;

class CMRMailboxUtils;

class CESMRCalDbMgr;

class CESMRPolicyManager;

class CMREntryProcessor;

class MESMRTaskFactory;

class MESMRTaskExtension;

/**

 * ECom implementation for es meeting request utilities.

 */

NONSHARABLE_CLASS( CESMRUtils ) :

        public CBase,

        public MMRUtilsObserver

    {

public: // Constructors and destructors

    /**

     * ECom plug-in instantiation method.

     * @return instantiated ECom plug-in

     */

     IMPORT_C static CESMRUtils* NewL(

             MMRUtilsObserver& aObserver );

    /**

     * Destructor.

     */

     IMPORT_C ~CESMRUtils();

public: // Interface

    /**

     * Creates extensions for specified entry type

     */

    IMPORT_C void CreateExtensionsL(

            TESMRCalendarEventType aEntryType );

public: // Interface is copied from CMRUtils.h 

    /**

     * Deletes given aEntries from the database and possibly allows

     * user to cancel meeting or decline participation, depending on

     * participation type.

     * @param aEntry entry to be deleted

     * @param aMailbox mailbox to use for possible cancel/response

     * @return KErrNone or a system wide error code  

     */

    IMPORT_C TInt DeleteWithUiL(

            const CCalEntry& aEntry,

            TMsvId aMailbox );

    /**

     * Deletes given instance from the database and possibly allows

     * user to cancel meeting or decline participation, depending on

     * participation type.   

     * @param aInstance instance to be deleted, ownership transferred

     * @param aMailbox mailbox to use for possible cancel/response

     * @return KErrNone or a system wide error code  

     */ 

    IMPORT_C TInt DeleteWithUiL(

            CCalInstance* aInstance,

            TMsvId aMailbox );

    /**

     * Deprecated. Do not use.

     */

    IMPORT_C void SendWithUiL(

            const CCalEntry& aEntry,

            TMsvId aMailbox );

    /**

     * Allows extending this API without breaking BC.

     * @param aExtensionUid Extension uid

     * @param return extension

     */

    IMPORT_C TAny* ExtensionL(

            TUid aExtensionUid );

    /**        

     * Internal template method called immediatelly after

     * instantiation of the ECom plug-in.

     * @param aCalSession calendar session reference

     * @param aMsvSession, may be NULL

     */

    IMPORT_C void SessionSetupL(

            CCalSession& aCalSession,

            CMsvSession* aMsvSession );

public: // From MMRUtilsObserver

    void HandleCalEngStatus(

            TMRUtilsCalEngStatus aStatus );

    void HandleOperation(

            TInt aType,

            TInt aPercentageCompleted,

            TInt aStatus );

private: // Implementation

    CESMRUtils( MMRUtilsObserver& aObserver );

    void ConstructL();

private: // data

    /// Own: Cal engine status

    TMRUtilsCalEngStatus iCalEngStatus;

    /// Own: Pointer to ES MR UTILS cal db object

    CESMRCalDbMgr* iCalDBMgr;

    // Own: Meeting request mailbox utils

    CMRMailboxUtils* iMRMailboxUtils;

    /// Own: ESMR policy manager

    CESMRPolicyManager* iPolicyManager;

    /// Own: MR Entry processor

    CMREntryProcessor* iEntryProcessor;

    /// Own: ES MR Task factory

    MESMRTaskFactory* iTaskFactory;

    /// Own: ES MR Task extension

    MESMRTaskExtension* iTaskExtension;

    /// Ref:

    MMRUtilsObserver& iObserver;

    };

#endif // CESMRUTILSIMPL_H

// End of File