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