/*

* Copyright (c) 2005 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 CMRViewers ECom API.

*

*/

#ifndef __CMRVIEWERSIMPL_H__

#define __CMRVIEWERSIMPL_H__

//  INCLUDES

#include <CMRViewers.h>

#include "CMRUtilsInternal.h"

// FORWARD DECLARATIONS

class CMRHandler;

class TCoeHelpContext;

class CMRMailboxUtils;

// CLASS DECLARATION

/**

* ECom implementation for executing meeting request viewers.

*/

class CMRViewersImpl : public CMRViewers, public MMRUtilsObserver

    {

    public: // Constructors and destructors

        /**

        * ECom plug-in instantiation method.

        * HBufC8* descriptor is received as a constructor parameter,

        * ownership is transferred to ECom plug-in.

        * @param aMtmUid descriptor used for resolving

        * @return instantiated ECom plug-in

        */

        static CMRViewersImpl* NewL( TAny* aMtmUid );

        /**

        * Destructor.

        */

        ~CMRViewersImpl();

    protected: // From MAgnEntryUi

        TInt ExecuteViewL( RPointerArray<CCalEntry>& aEntries,

                           const MAgnEntryUi::TAgnEntryUiInParams& aInParams,

                           MAgnEntryUi::TAgnEntryUiOutParams& aOutParams,                                   

                           MAgnEntryUiCallback& aCallback);

        void SetHelpContext( const TCoeHelpContext& aContext );

	protected:	// Functions from MMRUtilsObserver

		void HandleCalEngStatus( TMRUtilsCalEngStatus aStatus );

		void HandleOperation( TInt /*aType*/,

                              TInt /*aProgress*/,

                              TInt /*aStatus*/ ) {};

    protected: // Constructors and destructors

       /**

        * C++ default constructor.

        */

        CMRViewersImpl( TAny* aMtmUid );

       /**

        *  Constructor, second phase.

        */

        void ConstructL();

    protected: // New functions

        void EnsureUtilsExistL( CCalSession* aCalSession,

                                CMsvSession* aMsgSession );

        void DoHandleCalEngStatusL( TMRUtilsCalEngStatus aStatus );

        static TInt HandleEngStatusCheck( TAny* aThis );

    protected: // data

        // resource file offset

        TInt iResourceFileOffset;

        // current cal eng status

        TMRUtilsCalEngStatus iEngStatus;

        // not own, helpcontext id

        const TCoeHelpContext* iContext;

        // not own

        CCalSession* iCalSession;

        // not own

        CMsvSession* iMsgSession;

		// Meeting request utils, own

        CMRUtilsInternal* iMRUtils;

        // Meeting request mailbox utils, own

        CMRMailboxUtils* iMRMailboxUtils;    

        // own, descriptor used for ECom plug-in resolving

        HBufC8* iMtmUid;

        // own, meeting request dialog handling

        CMRHandler* iMRHandler;

        // own

        CIdle* iIdleTimer;

    };

#endif // __CMRVIEWERSIMPL_H__

// End of File