--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/callcontinuity/vcc/src/vccengpspropertylistener.cpp	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,197 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   Observes the state of P&S property
+*
+*/
+
+
+
+#include <e32cmn.h>
+#include <vccsubscribekeys.h>
+
+#include "vccengpspropertylistener.h"
+#include "rubydebug.h"
+
+//#include "vccuipropertyhandler.pan"
+
+// ======== MEMBER FUNCTIONS ========
+// -----------------------------------------------------------------------------
+// C++ constructor
+// -----------------------------------------------------------------------------
+//
+CVccEngPsPropertyListener::CVccEngPsPropertyListener( 
+const TUid aCategoryUid,
+		const TUint aKeyId ):
+CActive( EPriorityStandard ),
+iCategoryId( aCategoryUid ),
+iKeyId( aKeyId )
+	{
+	RUBY_DEBUG_BLOCK( "VccEngPsPropertyListener::CVccEngPsPropertyListener" );
+	}
+
+// -----------------------------------------------------------------------------
+// 2nd phase constructor
+// -----------------------------------------------------------------------------
+//
+void CVccEngPsPropertyListener::ConstructL()
+    {
+    RUBY_DEBUG_BLOCKL( "CVccEngPsPropertyListener::ConstructL" );
+    // Attach to categroy and key.
+    User::LeaveIfError( iProperty.Attach( iCategoryId, iKeyId ));
+    // Add to active scheduler
+    CActiveScheduler::Add( this );
+    }
+
+// -----------------------------------------------------------------------------
+// Constructor
+// -----------------------------------------------------------------------------
+//
+CVccEngPsPropertyListener* CVccEngPsPropertyListener::NewL(
+		                                                 const TUid aCategoryId, 
+		                                                 const TUint aKeyId)   
+    {
+	RUBY_DEBUG_BLOCKL("CVccEngPsPropertyListener::NewL");
+   
+	CVccEngPsPropertyListener* self = new (ELeave) CVccEngPsPropertyListener( 
+			                                              aCategoryId, aKeyId );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+   
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CVccEngPsPropertyListener::~CVccEngPsPropertyListener()
+    {
+    RUBY_DEBUG0( "CVccEngPsPropertyListener::~CVccEngPsPropertyListener() - ENTER" );
+    Cancel();
+    iProperty.Close();
+    iObservers.Close();
+    RUBY_DEBUG0( "CVccEngPsPropertyListener::~CVccEngPsPropertyListener() - EXIT" );
+    }
+
+// -----------------------------------------------------------------------------
+// Add Vcc property observer
+// -----------------------------------------------------------------------------
+//
+void CVccEngPsPropertyListener::AddObserverL( 
+        MVccEngPsPropertyListenerObserver& aObserver )
+    {
+    RUBY_DEBUG_BLOCKL( "CVccEngPsPropertyListener::AddObserverL" );
+    
+    if ( iObservers.Find( &aObserver ) == KErrNotFound )
+        {
+        User::LeaveIfError( iObservers.Append( &aObserver ) );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// Removes observer
+// -----------------------------------------------------------------------------
+//
+void CVccEngPsPropertyListener::RemoveObserver( 
+        MVccEngPsPropertyListenerObserver& aObserver )
+    {
+    RUBY_DEBUG_BLOCK( "CVccEngPsPropertyListener::RemoveObserver" );
+   
+    TInt index = iObservers.Find( &aObserver );
+    
+    if ( index != KErrNotFound )
+        {
+        iObservers.Remove( index );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// Fetches the current value of the key
+// -----------------------------------------------------------------------------
+//
+TInt CVccEngPsPropertyListener::CurrentValue()
+    {
+    RUBY_DEBUG_BLOCK( "CVccEngPsPropertyListener::CurrentValue" );
+   
+    TInt value( KErrNotFound );
+    iProperty.Get( iCategoryId, iKeyId, value );
+    return value;
+    }
+
+
+// -----------------------------------------------------------------------------
+// Cancels the outstanding subsription request
+// -----------------------------------------------------------------------------
+//
+void CVccEngPsPropertyListener::DoCancel()
+    {
+    RUBY_DEBUG0( "CVccEngPsPropertyListener::DoCancel - ENTER" );
+    iProperty.Cancel();
+    RUBY_DEBUG0( "CVccEngPsPropertyListener::DoCancel - EXIT" );
+    }
+
+// -----------------------------------------------------------------------------
+// Subsribes to property
+// -----------------------------------------------------------------------------
+//
+void CVccEngPsPropertyListener::Start()
+    {
+    RUBY_DEBUG_BLOCK( "CVccEngPsPropertyListener::Start" );
+   
+    // Subscribe to get updates.
+    iProperty.Subscribe( iStatus );
+    SetActive();
+    }
+
+// -----------------------------------------------------------------------------
+// RunL
+// -----------------------------------------------------------------------------
+//
+void CVccEngPsPropertyListener::RunL()
+    {
+    TInt err = iStatus.Int();
+Start();
+    RUBY_DEBUG_BLOCK( "CVccEngPsPropertyListener::RunL" );
+    RUBY_DEBUG1( " - Status: %d", iStatus.Int() );
+    if ( KErrNone == err )
+        {
+        RUBY_DEBUG0( " - CVccEngPsPropertyListener::RunL - \
+                     if ( KErrNone == err )" );
+        // Notify property changes to observers.
+        NotifyObserversL();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// Notify all observers about the changed value
+// -----------------------------------------------------------------------------
+//
+void CVccEngPsPropertyListener::NotifyObserversL()
+    {
+    RUBY_DEBUG_BLOCKL( "CVccEngPsPropertyListener::NotifyObserversL" );
+   
+    TInt value = CurrentValue();
+    RUBY_DEBUG1( " - value [%d]", value );
+   
+    for ( TInt i(0) ; i < iObservers.Count() ; i++ )
+        {
+        MVccEngPsPropertyListenerObserver* observer = iObservers[i];
+
+        if ( observer )
+            {
+            observer->PropertyChangedL( iCategoryId, iKeyId, value );
+            }
+        }
+    }