--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwclient/inc/mnatfwpluginobserver.h Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,118 @@
+/*
+* Copyright (c) 2006-2007 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: Callback hook for the plug-ins to the client
+*
+*/
+
+
+
+
+#ifndef M_MNATFWPLUGINONSERVER_H
+#define M_MNATFWPLUGINONSERVER_H
+
+#include <e32base.h>
+
+class CNATFWPluginApi;
+class CNATFWCandidatePair;
+class CNATFWCandidate;
+
+/**
+ * Observer interface for clients to receive events from NAT-plugin.
+ *
+ * @lib natconfw.lib
+ * @since S60 v3.2
+ */
+class MNATFWPluginObserver
+ {
+
+public:
+
+ /** NAT-plugin events. */
+ enum TNATFWPluginEvent
+ {
+ /** Completing event for ConnectServerL. */
+ EServerConnected = 1,
+
+ /** Completing event for FetchCandidate(s). */
+ EFetchingCompleted = 2,
+
+ /** Completing event for SetupTcpConnectionL. */
+ ETcpConnSetupCompleted = 3,
+
+ /** Completing event for SetReceivingStateL. */
+ EReceivingActivated = 4,
+
+ /** Completing event for SetReceivingStateL. */
+ EReceivingDeactivated = 5,
+
+ /** Completing event for SetSendingStateL. */
+ ESendingActivated = 6,
+
+ /** Completing event for SetSendingStateL. */
+ ESendingDeactivated = 7,
+
+ /** Completing event for PerformConnectivityChecksL. */
+ EConnChecksCompleted = 8
+ };
+
+ /**
+ * Called when an error within a stream has occured and no
+ * asynchronous operation is ongoing. Error during asynchronous
+ * operation is reported by completing operation with error code.
+ *
+ * @since S60 v3.2
+ * @param aPlugin The plugin raising event
+ * @param aStreamId The ID identifying stream
+ * @param aErrorCode Standard system wide error code
+ */
+ virtual void Error( const CNATFWPluginApi& aPlugin,
+ TUint aStreamId, TInt aErrorCode ) = 0;
+
+ /**
+ * Notifies the client of plugin events.
+ *
+ * @since S60 v3.2
+ * @param aPlugin The plugin raising event
+ * @param aStreamId The ID identifying stream
+ * @param aEvent The event
+ * @param aErrCode Standard system wide error code
+ */
+ virtual void Notify( const CNATFWPluginApi& aPlugin,
+ TUint aStreamId, TNATFWPluginEvent aEvent, TInt aErrCode ) = 0;
+
+ /**
+ * Called when working candidate pair has been found. Ownership of
+ * the candidate pair is transferred.
+ *
+ * @since S60 v3.2
+ * @param aPlugin The plugin raising event
+ * @param aCandidatePair The candidate pair which was found
+ */
+ virtual void NewCandidatePairFound( const CNATFWPluginApi& aPlugin,
+ CNATFWCandidatePair* aCandidatePair ) = 0;
+
+ /**
+ * Called when a new local candidate has been found. Ownership of the
+ * candidate is transferred.
+ *
+ * @since S60 v3.2
+ * @param aPlugin The plugin raising event
+ * @param aCandidate The local candidate that was found
+ */
+ virtual void NewLocalCandidateFound( const CNATFWPluginApi& aPlugin,
+ CNATFWCandidate* aCandidate ) = 0;
+ };
+
+
+#endif // M_MNATFWPLUGINONSERVER_H