1 /*

     2 * Copyright (c) 2004-2006 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:  

    15  *

    16 */

    17 

    18 

    19 #ifndef CAIAGENDAPLUGINENGINEIFIF_H

    20 #define CAIAGENDAPLUGINENGINEIFIF_H

    21 

    22 #include <e32base.h>

    23 #include <ecom/ecom.h>

    24 #include "aiagendapluginengineuids.hrh"

    25 

    26 // FORWARD DECLARATIONS

    27 class MPluginDataChangeObserver;

    28 

    29 // CONSTANTS

    30 // Available observer types:

    31 enum TObserverType

    32 {

    33     EToDoObserver,

    34     ECalendarObserver,

    35     ECalendarAndTodoObserver

    36 };

    37 

    38 /**

    39  *  ECom interface for CAIAgendaPluginEngine.

    40  *  @since S60 3.1

    41  */

    42 class CAIAgendaPluginEngineIf : public CBase

    43 {

    44 public:

    45     /**

    46      * Two-phased constructor.

    47      * @since S60 3.1

    48      **/

    49     inline static CAIAgendaPluginEngineIf* NewL( MPluginDataChangeObserver& aDataChangeObserver,

    50                                                  TObserverType aObserverType );

    51     /**

    52      * Destructor.

    53      **/

    54     inline ~CAIAgendaPluginEngineIf();

    55 

    56 public: // New methods

    57     /**

    58      * Start the state machine inside the CAIAgendaPluginEngineImpl.

    59      * @since S60 3.1

    60      **/

    61     virtual void Refresh() = 0;

    62     

    63 protected:

    64     struct TCtorParams

    65     {

    66         MPluginDataChangeObserver* iDataChangeObserver;

    67         TObserverType iObserverType;

    68     };

    69 

    70 private:

    71     // An identifier used during destruction

    72     TUid iDestructKey;

    73 

    74 };

    75 

    76 // Two-phased constructor.

    77 inline CAIAgendaPluginEngineIf* CAIAgendaPluginEngineIf::NewL( MPluginDataChangeObserver& aDataChangeObserver,

    78                                                                TObserverType aObserverType )

    79     {

    80     TCtorParams ctorParams;

    81     ctorParams.iDataChangeObserver = &aDataChangeObserver;

    82     ctorParams.iObserverType = aObserverType;

    83     

    84     TAny* ptr = REComSession::CreateImplementationL(

    85                             TUid::Uid( KAIAgendaPluginEngineImplUid ),

    86                             _FOFF( CAIAgendaPluginEngineIf, iDestructKey ),

    87                             &ctorParams );

    88 

    89     return reinterpret_cast<CAIAgendaPluginEngineIf*>( ptr );

    90     }

    91 

    92 // destructor

    93 inline CAIAgendaPluginEngineIf::~CAIAgendaPluginEngineIf()

    94     {

    95     REComSession::DestroyedImplementation( iDestructKey );

    96     }

    97 

    98 #endif  // CAIAGENDAPLUGINENGINEIF_H

    99 

   100 

   101 // End of File