satengine/SatServer/SystemState/src/CSatPSChangeNotifier.cpp
changeset 46 2fa1fa551b0b
parent 42 35488577e233
child 48 78df25012fda
equal deleted inserted replaced
42:35488577e233 46:2fa1fa551b0b
     1 /*
       
     2 * Copyright (c) 2002-2007 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:  Notifies the changes in publish and suscripe properties.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    "CSatPSChangeNotifier.h"
       
    22 #include    "MSatSystemStateObserver.h"
       
    23 #include    "Panic.h"
       
    24 #include    "SatLog.h"
       
    25 
       
    26 // ============================ MEMBER FUNCTIONS ===============================
       
    27 
       
    28 // -----------------------------------------------------------------------------
       
    29 // CSatPSChangeNotifier::CSatPSChangeNotifier
       
    30 // C++ default constructor can NOT contain any code, that
       
    31 // might leave.
       
    32 // -----------------------------------------------------------------------------
       
    33 //
       
    34 CSatPSChangeNotifier::CSatPSChangeNotifier(
       
    35     const TUid& aPropertyKey,
       
    36     TUint aPropertyValue,
       
    37     MSatSystemStateObserver& aObserver,
       
    38     TInt aNotifyValue ) :
       
    39     CActive( EPriorityStandard ),
       
    40     iObserver( aObserver ),
       
    41     iPSKey( aPropertyKey ),
       
    42     iPSValue( aPropertyValue ),
       
    43     iNotifyValue( aNotifyValue )
       
    44     {
       
    45     LOG( SIMPLE,
       
    46         "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier calling" )
       
    47     // Log parameters
       
    48     LOG2( NORMAL,
       
    49         "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier PS Uid: %d",
       
    50         aPropertyKey )
       
    51     LOG2( NORMAL,
       
    52         "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier PS Key: %d",
       
    53         aPropertyValue )
       
    54     LOG2( NORMAL,
       
    55         "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier Needed \
       
    56         value: %d ", aNotifyValue )
       
    57 
       
    58     CActiveScheduler::Add( this );
       
    59 
       
    60     LOG( SIMPLE,
       
    61         "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier exiting" )
       
    62     }
       
    63 
       
    64 // -----------------------------------------------------------------------------
       
    65 // CSatPSChangeNotifier::NewL
       
    66 // Two-phased constructor.
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 CSatPSChangeNotifier* CSatPSChangeNotifier::NewL(
       
    70     const TUid& aPropertyKey,
       
    71     TUint aPropertyValue,
       
    72     MSatSystemStateObserver& aObserver,
       
    73     TInt aNotifyValue )
       
    74     {
       
    75     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::NewL calling" )
       
    76 
       
    77     CSatPSChangeNotifier* self =
       
    78         new( ELeave ) CSatPSChangeNotifier(
       
    79             aPropertyKey, aPropertyValue, aObserver, aNotifyValue );
       
    80 
       
    81     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::NewL exiting" )
       
    82     return self;
       
    83     }
       
    84 
       
    85 
       
    86 // Destructor
       
    87 CSatPSChangeNotifier::~CSatPSChangeNotifier()
       
    88     {
       
    89     LOG( SIMPLE,
       
    90         "SATSYSTEMSTATE: CSatPSChangeNotifier::~CSatPSChangeNotifier calling" )
       
    91 
       
    92     Cancel();
       
    93     iPSClient.Close();
       
    94 
       
    95     LOG( SIMPLE,
       
    96         "SATSYSTEMSTATE: CSatPSChangeNotifier::~CSatPSChangeNotifier exiting" )
       
    97     }
       
    98 
       
    99 // -----------------------------------------------------------------------------
       
   100 // CSatPSChangeNotifier::NotifyChangeL
       
   101 // Issues notification request.
       
   102 // (other items were commented in a header).
       
   103 // -----------------------------------------------------------------------------
       
   104 //
       
   105 void CSatPSChangeNotifier::NotifyChangeL()
       
   106     {
       
   107     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::NotifyChangeL calling" )
       
   108 
       
   109     __ASSERT_ALWAYS( !IsActive(), Panic( ESatSystemStateAllReadyActive ) );
       
   110     User::LeaveIfError( iPSClient.Attach( iPSKey, iPSValue ) );
       
   111     Activate();
       
   112 
       
   113     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::NotifyChangeL exiting" )
       
   114     }
       
   115 
       
   116 // -----------------------------------------------------------------------------
       
   117 // CSatPSChangeNotifier::CancelNotify
       
   118 // Cancels outstanding request.
       
   119 // (other items were commented in a header).
       
   120 // -----------------------------------------------------------------------------
       
   121 //
       
   122 void CSatPSChangeNotifier::CancelNotify()
       
   123     {
       
   124     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::CancelNotify calling" )
       
   125 
       
   126     Cancel();
       
   127 
       
   128     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::CancelNotify exiting" )
       
   129     }
       
   130 
       
   131 // -----------------------------------------------------------------------------
       
   132 // CSatPSChangeNotifier::DoCancel
       
   133 // (other items were commented in a header).
       
   134 // -----------------------------------------------------------------------------
       
   135 //
       
   136 void CSatPSChangeNotifier::DoCancel()
       
   137     {
       
   138     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::DoCancel calling" )
       
   139 
       
   140     iPSClient.Cancel();
       
   141 
       
   142     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::DoCancel exiting" )
       
   143     }
       
   144 
       
   145 // -----------------------------------------------------------------------------
       
   146 // CSatPSChangeNotifier::RunL
       
   147 // Activates the request again and calls the observer.
       
   148 // (other items were commented in a header).
       
   149 // -----------------------------------------------------------------------------
       
   150 //
       
   151 void CSatPSChangeNotifier::RunL()
       
   152     {
       
   153     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL calling" )
       
   154     // Makes sure that all the changes are notified.
       
   155     LOG2( SIMPLE, "SATSYSTEMSTATE:   Failed: %i", iStatus.Int() )
       
   156     if ( KErrNone == iStatus.Int() )
       
   157         {
       
   158         NotifyChangeL();
       
   159 
       
   160         // Check the value
       
   161         TInt value = KNotifyValueNotSet;
       
   162 
       
   163         // Get the value from P&S
       
   164         RProperty::Get( iPSKey, iPSValue, value );
       
   165 
       
   166         // If notify value is set, check the value before notifying observer
       
   167         if ( KNotifyValueNotSet != iNotifyValue )
       
   168             {
       
   169             LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL \
       
   170             KNotifyValueNotSet != iNotifyValue" )
       
   171             // If changed P&S value is same as notify value, notify observer
       
   172             if ( value == iNotifyValue )
       
   173                 {
       
   174                 LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL \
       
   175                 value == iNotifyValue" )
       
   176                 iObserver.StateChanged();
       
   177                 }
       
   178             }
       
   179         else
       
   180             {
       
   181             LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL \
       
   182             KNotifyValueNotSet == iNotifyValue" )
       
   183             // Notify value not specified -> Send the changed value
       
   184             iObserver.StateChanged( value );
       
   185             }
       
   186         }
       
   187     else if ( KErrCancel == iStatus.Int() )
       
   188         {
       
   189         Activate();
       
   190         }
       
   191     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL exiting" )
       
   192     }
       
   193 
       
   194 // -----------------------------------------------------------------------------
       
   195 // CSatPSChangeNotifier::Activate
       
   196 // (other items were commented in a header).
       
   197 // -----------------------------------------------------------------------------
       
   198 //
       
   199 void CSatPSChangeNotifier::Activate()
       
   200     {
       
   201     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::Activate calling" )
       
   202 
       
   203     iPSClient.Subscribe( iStatus );
       
   204     SetActive();
       
   205 
       
   206     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::Activate exiting" )
       
   207     }
       
   208 
       
   209 // -----------------------------------------------------------------------------
       
   210 // CSatPSChangeNotifier::GetValueInt
       
   211 // (other items were commented in a header).
       
   212 // -----------------------------------------------------------------------------
       
   213 //
       
   214 TInt CSatPSChangeNotifier::GetValueInt()
       
   215     {
       
   216     LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::GetValueInt calling" )
       
   217 
       
   218     // Gets the value from P&S.
       
   219     TInt value( KNotifyValueNotSet );
       
   220     RProperty::Get( iPSKey, iPSValue, value );
       
   221 
       
   222     LOG2( SIMPLE, 
       
   223         "SATSYSTEMSTATE: CSatPSChangeNotifier::GetValueInt exiting %i",
       
   224         value )
       
   225     return value;
       
   226     }
       
   227     
       
   228 //  End of File