1 /*

     2 * Copyright (c) 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:  

    15 *

    16 */

    17 

    18 #ifndef HARVESTERSHUTDOWNOBSERVER_H

    19 #define HARVESTERSHUTDOWNOBSERVER_H

    20 

    21 #include <e32base.h>

    22 #include <w32std.h>

    23 #include <e32property.h> 

    24 

    25 

    26 /**

    27  * Observer interface for signaling the need for shutdown

    28  */

    29 class MHarvesterShutdownObserver

    30     {

    31 public:

    32 

    33     virtual void ShutdownNotification() = 0;

    34     

    35     virtual void RestartNotification() = 0;

    36     };

    37 

    38 /**

    39  *  Active object for observing P&S keys

    40  *

    41  *  @since S60 v5.0

    42  */

    43 class CHarvesterShutdownObserver  : public CActive

    44     {

    45 public:

    46 

    47     /**

    48      * Two-phased constructor.

    49      *

    50      * @since S60 v5.0

    51      * @return Instance of CTMShutdownObserver.

    52      */

    53     IMPORT_C static CHarvesterShutdownObserver* NewL( MHarvesterShutdownObserver& aObserver/*, const TUid& aKeyCategory*/ );

    54 

    55     /**

    56      * Destructor

    57      *

    58      * @since S60 v5.0

    59      */

    60     virtual ~CHarvesterShutdownObserver();

    61 

    62 public:

    63 

    64 	/**

    65 	* Returns IAD update status

    66 	*/

    67 	TBool UpdateInProgress();

    68     

    69 protected:

    70 

    71     /**

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

    73      *

    74      * @since S60 v5.0

    75      */

    76     void RunL();

    77 

    78     /**

    79      * Implements cancellation of an outstanding request.

    80      *

    81      * @since S60 v5.0

    82      */

    83     void DoCancel();

    84     

    85     TInt RunError( TInt aError );

    86 

    87 private:

    88 

    89     /**

    90      * C++ default constructor

    91      *

    92      * @since S60 v5.0

    93      * @return Instance of CShutdownObserver.

    94      */

    95     CHarvesterShutdownObserver( MHarvesterShutdownObserver& aObserver/*, const TUid& aKeyCategory*/ );

    96 

    97     /**

    98      * Symbian 2nd phase constructor can leave.

    99      *

   100      * @since S60 v5.0

   101      */

   102     void ConstructL();

   103 

   104 private:

   105     

   106     // not own

   107     MHarvesterShutdownObserver& iObserver;

   108     

   109     RProperty iProperty;

   110 	TInt iValue;

   111 };

   112 

   113 #endif // SHUTDOWNOBSERVER_H