--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/IMPSConnectionUI/ServiceSrc/CCnUiSignaller.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,144 @@
+/*
+* Copyright (c) 2003 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:  Connection UI interprocess signaller.
+*
+*/
+
+// INCLUDE FILES
+#include <e32std.h>
+#include "CCnUiSignaller.h"
+
+
+// ================= GLOBAL FUNCTIONS ====================
+// -----------------------------------------------------------------------------
+// CreateConnUiSignallerL()
+// -----------------------------------------------------------------------------
+//
+GLREF_C MCnUiSignaller* CreateConnUiSignallerL()
+    {
+    return CCnUiSignaller::NewL();
+    }
+
+GLREF_C MCnUiSignaller* CreateConnUiSignallerLC()
+    {
+    CCnUiSignaller* self = CCnUiSignaller::NewL();
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+
+
+// ================= MEMBER FUNCTIONS =======================
+// Two-phased constructor.
+CCnUiSignaller* CCnUiSignaller::NewL()
+    {
+    CCnUiSignaller* self = new ( ELeave ) CCnUiSignaller();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self ); //self
+    return self;
+    }
+
+
+// Destructor
+CCnUiSignaller::~CCnUiSignaller()
+    {
+    //no need to explicitly to cancel the
+    //signal ==> closing will do it automaticly
+    delete iOperationSignalChannel;
+    }
+
+// C++ default constructor can NOT contain any code, that
+// might leave.
+//
+CCnUiSignaller::CCnUiSignaller()
+        : iOperationSignalRequested( EFalse )
+    {
+    }
+
+
+// Symbian OS default constructor can leave.
+void CCnUiSignaller::ConstructL()
+    {
+    iOperationSignalChannel = CCnUiGroupChannel::NewL( ECnUiGlobalGroup,
+                                                       ECnUiGlobalOperationSignalChannel );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCnUiSignaller::SignalOperationL()
+// -----------------------------------------------------------------------------
+//
+TInt CCnUiSignaller::SignalOperationL( const TDesC& aDetailDesc )
+    {
+    if ( OperationRunning() )
+        {
+        return KErrInUse;
+        }
+
+    //construct objects
+    iOperationSignalChannel->SignalL( aDetailDesc );
+    iOperationSignalRequested = ETrue;
+    return KErrNone;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCnUiSignaller::CancelOperationSignal()
+// -----------------------------------------------------------------------------
+//
+void CCnUiSignaller::CancelOperationSignal()
+    {
+    if ( iOperationSignalRequested )
+        {
+        iOperationSignalChannel->CancelSignal();
+        iOperationSignalRequested = EFalse;
+        }
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCnUiSignaller::OperationRunning()
+// -----------------------------------------------------------------------------
+//
+TBool CCnUiSignaller::OperationRunning()
+    {
+    TInt signalCount = 0;
+    iOperationSignalChannel->Read( signalCount );
+
+    return ( signalCount > 0 );
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCnUiSignaller::OperationDetailsL()
+// -----------------------------------------------------------------------------
+//
+void CCnUiSignaller::OperationDetailsL( HBufC*& aDetailDesc )
+    {
+    if ( !OperationRunning() )
+        {
+        //if the operation isn't running
+        //values are defaulted to empty buffer and 0
+        aDetailDesc = KNullDesC().AllocL();
+        }
+
+    else
+        {
+        iOperationSignalChannel->ReadL( aDetailDesc );
+        }
+    }
+
+
+//  End of File