1 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 /**

    17  @file

    18  @internalTechnology

    19 */

    20 

    21 #ifndef CMTPIMAGEDPMDEOBSERVER_H

    22 #define CMTPIMAGEDPMDEOBSERVER_H

    23 

    24 #include <e32cmn.h>

    25 #include <e32base.h>

    26 #include <e32def.h>

    27 

    28 #include <comms-infras/commsdebugutility.h>

    29 

    30 #include "rmediasyncserver.h"

    31 #include "cmtpimagedpobjectpropertymgr.h"

    32 

    33 class MMTPDataProviderFramework;

    34 class CMTPImageDataProvider;

    35 

    36 /** 

    37 Implements the observer interfaces of MDE.

    38 @internalComponent

    39 */

    40 class CMTPImageDpMdeObserver : public CBase, 

    41                                public MMdEObjectObserver

    42     {

    43 public:

    44 

    45     static CMTPImageDpMdeObserver* NewL(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider);

    46     ~CMTPImageDpMdeObserver();

    47     

    48 public:

    49     // From MMdEObjectObserver

    50     void HandleObjectNotification(CMdESession& aSession,

    51                                  TObserverNotificationType aType,

    52                                  const RArray<TItemId>& aObjectIdArray);

    53     

    54     void SubscribeForChangeNotificationL();

    55     void UnsubscribeForChangeNotificationL();

    56     

    57 private:

    58     CMTPImageDpMdeObserver(MMTPDataProviderFramework& aFramework, CMTPImageDataProvider& aDataProvider);

    59     void ConstructL();   

    60     

    61 private:    

    62     void HandleObjectNotificationL(CMdESession& aSession,

    63                                    TObserverNotificationType aType,

    64                                    const RArray<TItemId>& aObjectIdArray);

    65             

    66     void ProcessMdeNotificationL(const RArray<TItemId>& aObjectIdArray, TObserverNotificationType aType);     

    67     void CreateMetadataL(const CMdEObject& aMdeObject, CMTPObjectMetaData& aMetaData); 

    68     

    69 private:

    70     /**

    71     FLOGGER debug trace member variable.

    72     */

    73     __FLOG_DECLARATION_MEMBER_MUTABLE;

    74     

    75     MMTPDataProviderFramework&    iFramework;    

    76     CMTPImageDataProvider&        iDataProvider;

    77     TBool                         iSubscribed;

    78     TInt                          iNewPics;

    79     };

    80 

    81 #endif // CMTPIMAGEDPMDEOBSERVER_H