1 

     2 /*

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

     4 * All rights reserved.

     5 * This component and the accompanying materials are made available

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

     7 * which accompanies this distribution, and is available

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

     9 *

    10 * Initial Contributors:

    11 * Nokia Corporation - initial contribution.

    12 *

    13 * Contributors:

    14 *

    15 * Description:  Shutdown observer

    16 *

    17 */

    18 

    19 #ifndef WDSHUTDOWNOBSERVER_H

    20 #define WDSHUTDOWNOBSERVER_H

    21 

    22 #include <e32base.h>

    23 #include <w32std.h>

    24 #include <e32property.h> 

    25 

    26 

    27 /**

    28  * Observer interface for signaling the need for shutdown

    29  */

    30 class MWDShutdownObserver

    31     {

    32 public:

    33 

    34     virtual void ShutdownNotification() = 0;

    35     

    36     virtual void RestartNotification() = 0;

    37     };

    38 

    39 /**

    40  *  Active object for observing P&S keys

    41  *

    42  *  @since S60 v5.0

    43  */

    44 class CWDShutdownObserver  : public CActive

    45     {

    46 public:

    47 

    48     /**

    49      * Two-phased constructor.

    50      *

    51      * @since S60 v5.0

    52      * @return Instance of CTMShutdownObserver.

    53      */

    54     IMPORT_C static CWDShutdownObserver* NewL( MWDShutdownObserver& aObserver/*, const TUid& aKeyCategory*/ );

    55 

    56     /**

    57      * Destructor

    58      *

    59      * @since S60 v5.0

    60      */

    61     virtual ~CWDShutdownObserver();

    62     

    63 protected:

    64 

    65     /**

    66      * Handles an active object's request completion event.

    67      *

    68      * @since S60 v5.0

    69      */

    70     void RunL();

    71 

    72     /**

    73      * Implements cancellation of an outstanding request.

    74      *

    75      * @since S60 v5.0

    76      */

    77     void DoCancel();

    78     

    79     TInt RunError( TInt aError );

    80 

    81 private:

    82 

    83     /**

    84      * C++ default constructor

    85      *

    86      * @since S60 v5.0

    87      * @return Instance of CShutdownObserver.

    88      */

    89     CWDShutdownObserver( MWDShutdownObserver& aObserver/*, const TUid& aKeyCategory*/ );

    90 

    91     /**

    92      * Symbian 2nd phase constructor can leave.

    93      *

    94      * @since S60 v5.0

    95      */

    96     void ConstructL();

    97 

    98 private:

    99     

   100     // not own

   101     MWDShutdownObserver& iObserver;

   102     

   103     /*const TUid& iKeyCategory;*/

   104     RProperty iProperty;

   105 };

   106 

   107 #endif // SHUTDOWNOBSERVER_H