devencdiskutils/DevEncStarter/src/DevEncStarterPropertyObserver.cpp
changeset 0 164170e6151a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devencdiskutils/DevEncStarter/src/DevEncStarterPropertyObserver.cpp	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,123 @@
+/*
+* Copyright (c) 2005 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:  
+*
+*/
+
+
+// INCLUDE FILES
+#include "DevEncStarterPropertyObserver.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CDevEncStarterPropertyObserver::CPropertyObserver
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CDevEncStarterPropertyObserver::CDevEncStarterPropertyObserver(
+                               MDevEncStarterPropertyChangeObserver& aObserver,
+                               const TUid& aCategory,
+                               const TUint aKey )
+    : CActive( CActive::EPriorityStandard ),
+    iObserver( aObserver ),
+    iCategory( aCategory ),
+    iKey( aKey )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CDevEncStarterPropertyObserver::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CDevEncStarterPropertyObserver::ConstructL()
+    {
+    User::LeaveIfError( iProperty.Attach( iCategory, iKey ) );
+    CActiveScheduler::Add( this );
+    iProperty.Subscribe( iStatus );
+    SetActive();
+    }
+
+// -----------------------------------------------------------------------------
+// CDevEncStarterPropertyObserver::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CDevEncStarterPropertyObserver* CDevEncStarterPropertyObserver::NewL(
+                               MDevEncStarterPropertyChangeObserver& aObserver,
+                               const TUid& aCategory,
+                               const TUint aKey )
+    {
+    CDevEncStarterPropertyObserver* self =
+        new ( ELeave ) CDevEncStarterPropertyObserver( aObserver, aCategory, aKey );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// Destructor
+CDevEncStarterPropertyObserver::~CDevEncStarterPropertyObserver()
+    {
+    Cancel();
+    iProperty.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CDevEncStarterPropertyObserver::RunL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CDevEncStarterPropertyObserver::RunL()
+    {
+    iProperty.Subscribe( iStatus );
+    SetActive();
+    TInt err = iProperty.Get( iValue );
+    if ( err )
+        {
+        iObserver.HandlePropertyChangeErrorL( iCategory, iKey, err );
+        }
+    else
+        {
+        iObserver.HandlePropertyChangeL( iCategory, iKey, iValue );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CDevEncStarterPropertyObserver::DoCancel
+// Cancels an outstanding active request
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CDevEncStarterPropertyObserver::DoCancel()
+    {
+    iProperty.Cancel();
+    }
+
+// -----------------------------------------------------------------------------
+// CDevEncStarterPropertyObserver::GetValue
+// Returns KErrNone if operation was successful
+// Actual value is written to aValue
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CDevEncStarterPropertyObserver::GetValue( TInt& aValue ) const
+    {
+    aValue = iValue;
+    }
+
+// End of File