diff -r 000000000000 -r 094583676ce7 wvuing/IMPSConnectionUI/ServiceSrc/CCnUiSignaller.cpp --- /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 +#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