/*

* 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:  Wrapper classes which encapsulates Message store functions

 *

*/

#ifndef CONVERSATION_MSG_STORE_HANDLER_H

#define CONVERSATION_MSG_STORE_HANDLER_H

// INCLUDE FILES

#include <msvapi.h>

#include <ccsdefs.h>

// FORWARD DECLARATIONS

class CMsvSession;

class MMsvSessionObserver;

class DraftsModel;

// CONSTANTS

class ConversationMsgStoreHandler: public MMsvSessionObserver

    {

public:

    /*

     * Draft processing states

     */

    enum TDraftHandlerState

        {

        EReadDrafts,

        EProcessDrafts,

        EComplete

        };

    /**

     * Default constructor.

     */

    explicit ConversationMsgStoreHandler();

    /**

     * Destructor

     */

    virtual ~ConversationMsgStoreHandler();

private:

    /**

     * Initializes the ConversationMsgStoreHandler class.     

     */

    void InitL();

public:

    /**

     * From MMsvSessionObserver. HandleSessionEventL.

     */

    void HandleSessionEventL(TMsvSessionEvent aEvent, TAny* aArg1, TAny* aArg2,

            TAny* aArg3);

public: 

    /**

     * Get MMS notification status.

     * @param aMsvId MMS notification status.

     */

    TCsMmsNotificationMsgState MmsNotificationStatus( TInt aMsvId );

    /**

     * Mark specified messages as unread.

     * @param aIdArray Array of message ids.

     */

    void MarkMessagesReadL(RArray<TInt>& aIdArray);

    /**

     * Delete specified messages from message store

     * @param aIdArray Array of message ids.

     */

    void DeleteMessages(RArray<TInt>& aIdArray);

    /**

     * Returns the msv session object

     * @return CMsvSession object

     */

    CMsvSession& GetMsvSession();

    /**

     * Start fetching all draft messages

     */

    void FetchDraftMessages(DraftsModel* draftsModel);

private:

    /**

     * verifys the current operation status

     *@param aEntry, TMsvEntry

     */

    TBool OperationFinished( const TMsvEntry& aEntry ) const;

    /**

     * verifys the current operation status

     * @param aEntry, TMsvEntry

     */

    TBool OperationOngoing( const TMsvEntry& aEntry ) const;

    /**

     * CIdle callback

     */

    static TInt ProcessDraftMessages(TAny* arg);

    /**

     * State handler to read all draft messages 

     */

    TInt ProcessDraftMessagesL();

    /**

     * Cleanup

     */

    void CleanupL();

    /**

     * Checks if the MTM type supported

     */

    TBool IsMtmSupported(long uid);

private: 

    /**

     * Msv Session

     * Own. 

     */

    CMsvSession* iMsvSession;

    /**

     * Draft entry

     * Own

     */

    CMsvEntry* iDraftEntry;

    /**

     * Active object

     */

    CIdle* iIdle;

    /**

     * Messages under root entry

     * Own

     */

    CMsvEntrySelection* iDraftMessages;

    /**

     * Drafts model

     * Not Own

     */

    DraftsModel *mDraftsModel;

    /**

     * Mesage count

     */

    TInt iDraftMessageCount;

    /**

     * State

     */

    TDraftHandlerState iState;

    };

#endif // CONVERSATION_MSG_STORE_HANDLER_H

// EOF