contextframework/cfwplugins/CallStateSourcePlugIn/src/CallStateSourcePlugIn.cpp
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     1 /*
       
     2 * Copyright (c) 2006-2006 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:  CCallStateSourcePlugIn class implementation.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include <cfcontextobject.h>
       
    20 #include <cfcontextinterface.h>
       
    21 
       
    22 #include <ctsydomainpskeys.h>
       
    23 
       
    24 #include "CallStateSourcePlugIn.h"
       
    25 #include "CallStateSourceContextDef.h"
       
    26 #include "PropertyListener.h"
       
    27 
       
    28 
       
    29 // CONSTANTS
       
    30 #ifdef _DEBUG
       
    31 // Panic category
       
    32 _LIT( KPanicCat, "CallStatSrc" );
       
    33 
       
    34 // Panic codes
       
    35 enum TPanicReason
       
    36     {
       
    37     EPlugInNotInitialized
       
    38     };
       
    39 
       
    40 // Panic function
       
    41 LOCAL_C void Panic( TInt aCode )
       
    42     {
       
    43     User::Panic( KPanicCat, aCode );
       
    44     }
       
    45 #endif
       
    46 
       
    47 CCallStateSourcePlugIn* CCallStateSourcePlugIn::NewL(
       
    48     TContextSourceInitParams* aParams )
       
    49     {
       
    50     CCallStateSourcePlugIn* self = CCallStateSourcePlugIn::NewLC( aParams );
       
    51     CleanupStack::Pop( self );
       
    52 
       
    53     return self;
       
    54     }
       
    55 
       
    56 CCallStateSourcePlugIn* CCallStateSourcePlugIn::NewLC(
       
    57 TContextSourceInitParams* aParams )
       
    58     {
       
    59     CCallStateSourcePlugIn* self =
       
    60         new( ELeave ) CCallStateSourcePlugIn( aParams );
       
    61     CleanupStack::PushL( self );
       
    62 
       
    63     return self;
       
    64     }
       
    65 
       
    66 // Destructor
       
    67 CCallStateSourcePlugIn::~CCallStateSourcePlugIn()
       
    68     {
       
    69     delete iCallStateProperty;
       
    70     delete iContext;
       
    71     }
       
    72 
       
    73 CCallStateSourcePlugIn::CCallStateSourcePlugIn(
       
    74     TContextSourceInitParams* aParams ):
       
    75     CCFContextSourcePlugIn( aParams )
       
    76     {
       
    77     }
       
    78 
       
    79 // METHODS
       
    80 
       
    81 //-----------------------------------------------------------------------------
       
    82 // CCallStateSourcePlugIn::HandleSettingL
       
    83 //-----------------------------------------------------------------------------
       
    84 //
       
    85 void CCallStateSourcePlugIn::HandleSettingL(
       
    86     CCFContextSourceSettingArray* /*aSettingList*/ )
       
    87 	{
       
    88 	// Not called since we don't have settings
       
    89 	}
       
    90 
       
    91 //-----------------------------------------------------------------------------
       
    92 // CCallStateSourcePlugIn::DefineContextsL
       
    93 //-----------------------------------------------------------------------------
       
    94 //
       
    95 void CCallStateSourcePlugIn::DefineContextsL()
       
    96     {
       
    97     iCF.DefineContext( KCallStateSource, KCallStateType, KCallStateTypeSec );
       
    98     }
       
    99 
       
   100 //-----------------------------------------------------------------------------
       
   101 // CCallStateSourcePlugIn::DefineContextsL
       
   102 //-----------------------------------------------------------------------------
       
   103 //
       
   104 void CCallStateSourcePlugIn::InitializeL()
       
   105     {
       
   106     // Initialize context
       
   107     iContext = CCFContextObject::NewL();
       
   108 
       
   109     // Initialize call state property listener
       
   110     iCallStateProperty = CPropertyListener::NewL(
       
   111         KPSUidCtsyCallInformation,
       
   112         KCTsyCallState,
       
   113         *this );
       
   114 
       
   115     iContext->SetSourceL( KCallStateSource );
       
   116     iContext->SetTypeL( KCallStateType );
       
   117 
       
   118     // Publish current context value
       
   119     PublishContextL();
       
   120     }
       
   121 
       
   122 //-----------------------------------------------------------------------------
       
   123 // CCallStateSourcePlugIn::HandlePropertyChangedL
       
   124 //-----------------------------------------------------------------------------
       
   125 //
       
   126 void CCallStateSourcePlugIn::HandlePropertyChangedL()
       
   127     {
       
   128     // Publish current context value
       
   129     PublishContextL();
       
   130     }
       
   131 
       
   132 //-----------------------------------------------------------------------------
       
   133 // CCallStateSourcePlugIn::PublishContextL
       
   134 //-----------------------------------------------------------------------------
       
   135 //
       
   136 void CCallStateSourcePlugIn::PublishContextL()
       
   137     {
       
   138     __ASSERT_DEBUG( iCallStateProperty, Panic( EPlugInNotInitialized ) );
       
   139 
       
   140     // Get current call state value
       
   141     TInt value = 0;
       
   142     TInt err = iCallStateProperty->Property().Get( value );
       
   143     if( err == KErrNone )
       
   144         {
       
   145         if( value >= 0 && value < KCallStateTypeValueCount  )
       
   146             {
       
   147             // Publish context, ignore error values
       
   148             RThread thread;
       
   149             iContext->SetValueL( TPtrC( KCallStateTypeValues[value] ) );
       
   150             iCF.PublishContext( *iContext, thread );
       
   151             thread.Close();
       
   152             }
       
   153         }
       
   154     }