1 /*

     2 * Copyright (c) 2004 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:  Publish & Subscribe property change observer implementation

    15 *

    16 */

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 #include "MIMPSSystemNotifierObserver.h"

    22 #include "CIMPSSystemNotifierSystemAgent.h"

    23 #include "IMPSSystemNotifyDefs.h"

    24 #include "IMPSCommonUiDebugPrint.h"

    25 

    26 #include <sacls.h>

    27 

    28 // ============================ MEMBER FUNCTIONS ===============================

    29 

    30 // -----------------------------------------------------------------------------

    31 // CIMPSSystemNotifierSystemAgent::CIMPSSystemNotifierSystemAgent

    32 // C++ default constructor can NOT contain any code, that

    33 // might leave.

    34 // -----------------------------------------------------------------------------

    35 //

    36 CIMPSSystemNotifierSystemAgent::CIMPSSystemNotifierSystemAgent(

    37     MIMPSSystemNotifierObserver& aObserver,

    38     const TUid aKey

    39 )

    40         : CActive( CActive::EPriorityStandard ),

    41         iObserver( aObserver ),

    42         iKey( aKey )

    43     {

    44     CActiveScheduler::Add( this );

    45     }

    46 

    47 // -----------------------------------------------------------------------------

    48 // CIMPSSystemNotifierSystemAgent::ConstructL

    49 // Symbian 2nd phase constructor can leave.

    50 // -----------------------------------------------------------------------------

    51 //

    52 void CIMPSSystemNotifierSystemAgent::ConstructL()

    53     {

    54     User::LeaveIfError( iSysAgent.Connect() );

    55     }

    56 

    57 // -----------------------------------------------------------------------------

    58 // CIMPSSystemNotifierSystemAgent::NewL

    59 // Two-phased constructor.

    60 // -----------------------------------------------------------------------------

    61 //

    62 CIMPSSystemNotifierSystemAgent* CIMPSSystemNotifierSystemAgent::NewL(

    63     MIMPSSystemNotifierObserver& aObserver,

    64     TUid aKey )

    65     {

    66     CIMPSSystemNotifierSystemAgent* self =

    67         new( ELeave ) CIMPSSystemNotifierSystemAgent( aObserver, aKey );

    68 

    69     CleanupStack::PushL( self );

    70     self->ConstructL();

    71     CleanupStack::Pop();

    72 

    73     return self;

    74     }

    75 

    76 

    77 // Destructor

    78 CIMPSSystemNotifierSystemAgent::~CIMPSSystemNotifierSystemAgent()

    79     {

    80     if ( IsActive() )

    81         {

    82         Cancel();

    83         }

    84     iSysAgent.Close();

    85     }

    86 

    87 

    88 // -----------------------------------------------------------------------------

    89 // CIMPSSystemNotifierSystemAgent::Subscribe

    90 // (other items were commented in a header).

    91 // -----------------------------------------------------------------------------

    92 //

    93 TInt CIMPSSystemNotifierSystemAgent::Subscribe()

    94     {

    95     if ( IsActive() )

    96         {

    97         return KErrNone;

    98         }

    99 

   100     iAgentEvent.SetRequestStatus( iStatus );

   101     iAgentEvent.SetUid( iKey );

   102 

   103     iSysAgent.NotifyOnEvent( iAgentEvent );

   104     SetActive();

   105     return KErrNone;

   106     }

   107 

   108 // -----------------------------------------------------------------------------

   109 // CIMPSSystemNotifierSystemAgent::UnSubscribe

   110 // (other items were commented in a header).

   111 // -----------------------------------------------------------------------------

   112 //

   113 void CIMPSSystemNotifierSystemAgent::UnSubscribe()

   114     {

   115     if ( IsActive() )

   116         {

   117         Cancel();

   118         }

   119     }

   120 

   121 // -----------------------------------------------------------------------------

   122 // CIMPSSystemNotifierSystemAgent::GetIntKey

   123 // (other items were commented in a header).

   124 // -----------------------------------------------------------------------------

   125 //

   126 TInt CIMPSSystemNotifierSystemAgent::GetIntKey( TInt& aValue )

   127     {

   128     aValue = iSysAgent.GetState( iKey );

   129     return KErrNone;

   130     }

   131 

   132 // -----------------------------------------------------------------------------

   133 // CIMPSSystemNotifierSystemAgent::RunL

   134 // (other items were commented in a header).

   135 // -----------------------------------------------------------------------------

   136 //

   137 void CIMPSSystemNotifierSystemAgent::RunL()

   138     {

   139     TInt value( iAgentEvent.State() );

   140     iSysAgent.NotifyOnEvent( iAgentEvent );

   141     SetActive();

   142     iObserver.HandleSystemNotifierEventL( iKey, value );

   143     }

   144 

   145 // -----------------------------------------------------------------------------

   146 // CIMPSSystemNotifierSystemAgent::DoCancel

   147 // (other items were commented in a header).

   148 // -----------------------------------------------------------------------------

   149 //

   150 void CIMPSSystemNotifierSystemAgent::DoCancel()

   151     {

   152     iSysAgent.NotifyEventCancel();

   153     }

   154 

   155