srsf/vcexecutorapp/src/appcontrollerpropertyhandler.cpp
branchRCL_3
changeset 19 e36f3802f733
parent 0 bf1d17376201
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/vcexecutorapp/src/appcontrollerpropertyhandler.cpp	Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2006 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:  Active object for subscribing to Publish & Suscribe properties
+*
+*/
+
+
+// INCLUDE FILES
+#include <e32svr.h>
+#include "appcontrollerpropertyhandler.h"
+#include "appcontroller.h"
+
+// ---------------------------------------------------------
+// CAppControllerPropertyHandler::NewL
+// Symbian OS two-phased constructor
+// ---------------------------------------------------------
+//
+CAppControllerPropertyHandler* CAppControllerPropertyHandler::NewL(
+    TUid aCategory, TUint aKey, CVCApplicationControllerImpl* aController)
+    {
+    CAppControllerPropertyHandler* self = new ( ELeave ) CAppControllerPropertyHandler( aController );
+    CleanupStack::PushL( self );
+    self->ConstructL( aCategory, aKey );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------
+// CAppControllerPropertyHandler::CAppControllerPropertyHandler
+// C++ constructor
+// ---------------------------------------------------------
+//
+CAppControllerPropertyHandler::CAppControllerPropertyHandler( CVCApplicationControllerImpl* aController )
+													: CActive( EPriorityStandard ), 
+													iController( aController )
+    {
+    }
+
+// ---------------------------------------------------------
+// CAppControllerPropertyHandler::ConstructL
+// Symbian OS 2nd phase constructor
+// ---------------------------------------------------------
+//
+void CAppControllerPropertyHandler::ConstructL(TUid aCategory, TUint aKey )
+    {
+    User::LeaveIfError( iProperty.Attach( aCategory, aKey ) );
+
+    CActiveScheduler::Add(this);
+    // Initial subscription and process current property value
+    RunL();
+
+    iRequestIssued = ETrue;
+    }
+
+// Destructor
+CAppControllerPropertyHandler::~CAppControllerPropertyHandler()
+    {
+    Cancel();
+    iProperty.Close();
+    }
+
+
+// ---------------------------------------------------------
+// CAppControllerPropertyHandler::DoCancel   
+// Cancel the request to receive events
+// ---------------------------------------------------------
+//
+void CAppControllerPropertyHandler::DoCancel()
+    {
+    iProperty.Cancel();
+    }
+
+
+// ---------------------------------------------------------
+// CAppControllerPropertyHandler::RunL
+// Handle a change event.
+// ---------------------------------------------------------
+//
+void CAppControllerPropertyHandler::RunL()
+    {
+    // Resubscribe before processing new value to prevent missing updates
+    iProperty.Subscribe( iStatus );
+    SetActive();
+
+    if ( iRequestIssued )
+        {
+        iController->HandleCurrentCallStatusChange();
+        }
+    }
+
+
+// ---------------------------------------------------------
+// CAppControllerPropertyHandler::Value
+// Get current property value
+// ---------------------------------------------------------
+//
+TInt CAppControllerPropertyHandler::Value()
+    {
+    TInt value = 0;
+    iProperty.Get( value );
+    return value;
+    }
+
+
+// End of File