/*

* Copyright (c) 2007-2008 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:  New child part from file operation

*

*/

// <qmail>

#ifndef IPSPLGNEWCHILDPARTFROMFILEOPERATION_H

#define IPSPLGNEWCHILDPARTFROMFILEOPERATION_H

class MFSMailRequestObserver;

NONSHARABLE_CLASS ( CIpsPlgNewChildPartFromFileOperation ): public CIpsPlgBaseOperation

{

public:

    /**

    * Constructor.

    */

    static CIpsPlgNewChildPartFromFileOperation* NewL(

        CMsvSession& aMsvSession,

        TRequestStatus& aObserverRequestStatus,

        const TFSMailMsgId& aMailBoxId,

        const TFSMailMsgId& aMessageId,

        const TDesC& aContentType,

        const TDesC& aFilePath,

        MFSMailRequestObserver& aOperationObserver,

        const TInt aRequestId,

        CIpsPlgMsgMapper *aMsgMapper);

    /**

    * Destructor.

    */

    virtual ~CIpsPlgNewChildPartFromFileOperation();

public: // From CIpsPlgBaseOperation

    virtual const TDesC8& ProgressL();

    virtual const TDesC8& GetErrorProgressL(TInt aError);

    virtual TFSProgress GetFSProgressL() const;

    TIpsOpType IpsOpType() const;   

protected:

    /**

    * Constructor.

    */

    CIpsPlgNewChildPartFromFileOperation(

        CMsvSession& aMsvSession,

        TRequestStatus& aObserverRequestStatus,

        const TFSMailMsgId& aMailBoxId,

        const TFSMailMsgId& aMessageId,

        MFSMailRequestObserver& aOperationObserver,

        const TInt aRequestId);

    /**

    * Constructor.

    */

    void ConstructL(CIpsPlgMsgMapper *aMsgMapper,

        const TDesC& aContentType,

        const TDesC& aFilePath);

    /**

    * From CActive

    */

    void RunL();

    /**

    * From CActive

    */

    void DoCancel();

    /**

    * From CActive

    */

    TInt RunError(TInt aError);

    void SignalFSObserver(TInt aStatus, CFSMailMessagePart* aMessagePart );

private:

    void GetMessageEntryL( TMsvId aId,

                           CMsvEntry*& aMessageEntry,

                           CImEmailMessage*& aImEmailMessage );

    void CleanCachedMessageEntries();

    /*

     * Four different operation steps are needed

     */

    enum TOperationStep

        {

        EPrepareMsvEntry,

        EPrepareStore,

        EStoreMessagePart

        };

    /*

     * Initializes attachment manager asynchronously

     */

    void InitAttachmentManagerL();

    /*

     * Prepares Msv entry to be updated asynchronously

     */

    void PrepareMsvEntryL();

    /*

     * Prepares message store asynchronously if needed

     */

    void PrepareStoreL();

    /*

     * Stores message part and finishes the operation

     */

    void StoreMessagePartL();

protected:

    CMsvOperation* iOperation;   // owned

    TFSMailMsgId iMessageId;

    MFSMailRequestObserver& iOperationObserver;  // not owned

    HBufC* iContentType;

    HBufC* iFilePath;

    CMsvEntry* iCachedEntry;

    CImEmailMessage* iCachedEmailMessage;

    CImEmailMessage* iMessage;

    CMsvEntry* iEntry;

    CIpsPlgMsgMapper* iMsgMapper;

    TMsvId iNewAttachmentId;

    TOperationStep iStep;

    TFSProgress iFSProgress;

};

#endif // IPSPLGNEWCHILDPARTFROMFILEOPERATION_H

// </qmail>