1 /*

     2 * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  MR attachment informatio fetcher definition

    15 *

    16 */

    17 

    18 #ifndef CMRATTACHMENTINFOFETCHER_H

    19 #define CMRATTACHMENTINFOFETCHER_H

    20 

    21 #include <e32base.h>

    22 #include "mfsmailrequestobserver.h"

    23 #include "mesmricalviewerobserver.h"

    24 #include "cesmricalviewerasynccommand.h"

    25 

    26 class CFSMailMessage;

    27 class CFSMailClient;

    28 class CCalEntry;

    29 

    30 /**

    31  * CMRAttachmentInfoFetcher is responsible for fetching attachment

    32  * information and storing URI attachment information to

    33  * calendar entry.

    34  */

    35 NONSHARABLE_CLASS( CMRAttachmentInfoFetcher ) :

    36         public CESMRIcalViewerAsyncCommand,

    37         public MFSMailRequestObserver

    38     {

    39 public:

    40 public: // Construction and destruction

    41     /**

    42      * Creates and initializes new CMRAttachmentInfoFetcher object. 

    43      * Ownership is transferred to caller.

    44      * 

    45      * @param aMailClient Reference to mail client

    46      * @param aCalSession Reference to calendar session

    47      * @return Pointer to CESMRImapMailFetcher object.

    48      */

    49     static CMRAttachmentInfoFetcher* NewL(

    50             CFSMailClient& aMailClient,

    51             CCalSession& aCalSession,

    52             CCalEntry& aCalEntry );

    53 

    54     /**

    55      * C++ destructor.

    56      */

    57     ~CMRAttachmentInfoFetcher();

    58 

    59 private: // From MFSMailRequestObserver

    60     void RequestResponseL(

    61             TFSProgress aEvent,

    62             TInt aRequestId );

    63 

    64 private: // From MESMRIcalViewerAsyncCommand

    65     void ExecuteAsyncCommandL();

    66     void CancelAsyncCommand();

    67 

    68 private: // Implementation

    69     CMRAttachmentInfoFetcher(

    70             CFSMailClient& aMailClient,

    71             CCalSession& aCalSession,

    72             CCalEntry& aCalEntry );

    73     void ConstructL();

    74     void FetchMessageStructureL();

    75     TBool ConstructAttachmentInformationL();

    76     void HandleRequestResponseL(

    77             TFSProgress aEvent,

    78             TInt aRequestId );

    79     void NotifyCompletion();

    80 

    81 private:

    82     /** Enumeration for object internal state */

    83     enum TMRAttachmentFetcherState

    84         {

    85         // Idle

    86         EIdle,

    87         // Fetching message structure

    88         EFetchingStructure,

    89         // Fetching message contents

    90         EFetchingContents

    91         };

    92 

    93 private: // Data

    94     /// Own: Fetch operation request id

    95     TInt iStructureRequestId;

    96     /// Own: Fetch operation request id

    97     TInt iMessagePartRequestId;

    98     // Own: Current state

    99     TMRAttachmentFetcherState iState;

   100     /// Ref: Reference to mail client object

   101     CFSMailClient& iMailClient;

   102     /// Ref: Reference to messageobject

   103     CFSMailMessage* iMailMessage;

   104     /// Own: Operation result

   105     MESMRIcalViewerObserver::TIcalViewerOperationResult iResult;

   106     /// Ref: Reference to calendar entry

   107     CCalEntry& iCalEntry;

   108     };

   109 

   110 #endif // CMRATTACHMENTINFOFETCHER_H

   111 

   112 // EOF