1 /*

     2 * Copyright (c) 2006-2007 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:  Thumbnail Auto Generate Daemon

    15  *

    16 */

    17 

    18 

    19 #ifndef THUMBAGIMAGEOBSERVER_H

    20 #define THUMBAGIMAGEOBSERVER_H

    21 

    22 #include <e32base.h>

    23 #include <w32std.h>

    24 

    25 #include <mdesession.h>

    26 

    27 #include "thumbagprocessor.h"

    28 #include "thumbnaillog.h"

    29 #include "tmshutdownobserver.h"

    30 

    31 /**

    32  *  ThumbAG daemon.

    33  *

    34  *  @since S60 v5.0

    35  */

    36 NONSHARABLE_CLASS( CThumbAGImageObserver ): public CBase, 

    37                                      public MMdESessionObserver,

    38                                      public MMdEObjectObserver,

    39                                      public MTMShutdownObserver

    40     {

    41 public:

    42 

    43     /**

    44      * Two-phased constructor

    45      *

    46      * @since S60 v5.0

    47      * @return New CThumbAGImageObserver server.

    48      */

    49     static CThumbAGImageObserver* NewLC(CThumbAGProcessor* aProcessor);

    50 

    51     /**

    52      * Two-phased constructor

    53      *

    54      * @since S60 v5.0

    55      * @return New CThumbAGImageObserver server.

    56      */

    57     static CThumbAGImageObserver* NewL(CThumbAGProcessor* aProcessor);

    58     

    59     /**

    60      * Destructor

    61      *

    62      * @since S60 v5.0

    63      */

    64     virtual ~CThumbAGImageObserver();

    65 

    66 

    67 public:

    68     

    69     // from MMdESessionObserver

    70     void HandleSessionOpened( CMdESession& aSession, TInt aError );

    71     void HandleSessionError( CMdESession& aSession, TInt aError );

    72     

    73     // from MMdEObjectObserver

    74     void HandleObjectNotification(CMdESession& aSession, 

    75                                   TObserverNotificationType aType,

    76                                   const RArray<TItemId>& aObjectIdArray);

    77     

    78     // from MTMShutdownObserver

    79     void ShutdownNotification();

    80     

    81 protected:

    82     

    83     /**

    84      * AddObserversL

    85      *

    86      * @since S60 v5.0

    87      */

    88     void AddObserversL();    

    89     

    90     

    91 private:

    92 

    93     /**

    94      * C++ default constructor

    95      *

    96      * @since S60 v5.0

    97      * @return New CThumbAGImageObserver instance.

    98      */

    99     CThumbAGImageObserver(CThumbAGProcessor* aProcessor);

   100 

   101     /**

   102      * Symbian 2nd phase constructor can leave.

   103      *

   104      * @since S60 v5.0

   105      */

   106     void ConstructL();

   107     

   108 	 /**

   109      * Initilization helper

   110      *

   111      * @since S60 v5.2

   112      */

   113     void InitializeL();

   114     

   115     /**

   116      * Callback for reconnect timer

   117      *

   118      * @since S60 v5.0

   119      */

   120     static TInt ReconnectCallBack(TAny* aAny);

   121 

   122 private:

   123 	

   124     // own

   125     CTMShutdownObserver* iShutdownObserver;

   126     CTMShutdownObserver* iMDSShutdownObserver;

   127     CMdESession* iMdESession;

   128     //not owned

   129     CThumbAGProcessor* iProcessor;

   130     

   131     TBool iShutdown;

   132  

   133     // reconnect timer

   134     CPeriodic* iReconnect;

   135     

   136     TBool iSessionError;

   137     

   138 #ifdef _DEBUG

   139     TUint32 iAddCounter;

   140     TUint32 iModCounter;

   141 #endif

   142 };

   143 

   144 #endif // THUMBAGDAEMON_H