--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/localconnectivityservice/dun/atext/inc/DunAtNvramListen.h	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,151 @@
+/*
+* Copyright (c) 2008 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:  AT NVRAM status change listener and notifier
+*
+*/
+
+#ifndef C_CDUNATNVRAMLISTEN_H
+#define C_CDUNATNVRAMLISTEN_H
+
+#include <atext.h>
+#include <atextcommon.h>
+#include "DunTransporter.h"
+
+/**
+ *  Class for AT NVRAM status change listener
+ *
+ *  @lib dunatext.lib
+ *  @since TB9.2
+ */
+NONSHARABLE_CLASS( CDunAtNvramListen ) : public CActive
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aAtCmdExt Pointer to AT command extension
+     * @param aAtCmdExtCommon Pointer to AT command extension to common
+     *                        functionality
+     * @return Instance of self
+     */
+	static CDunAtNvramListen* NewL( RATExt* aAtCmdExt,
+	                                RATExtCommon* aAtCmdExtCommon );
+
+    /**
+     * Two-phased constructor.
+     * @param aAtCmdExt Pointer to AT command extension
+     * @param aAtCmdExtCommon Pointer to AT command extension to common
+     *                        functionality
+     * @return Instance of self
+     */
+    static CDunAtNvramListen* NewLC( RATExt* aAtCmdExt,
+                                     RATExtCommon* aAtCmdExtCommon );
+
+    /**
+    * Destructor.
+    */
+    virtual ~CDunAtNvramListen();
+
+    /**
+     * Resets data to initial values
+     *
+     * @since TB9.2
+     * @return None
+     */
+    void ResetData();
+
+    /**
+     * Starts waiting for NVRAM status changes
+     *
+     * @since TB9.2
+     * @return Symbian error code on error, KErrNone otherwise
+     */
+    TInt IssueRequest();
+
+    /**
+     * Stops waiting for NVRAM status changes
+     *
+     * @since TB9.2
+     * @return Symbian error code on error, KErrNone otherwise
+     */
+    TInt Stop();
+
+private:
+
+    CDunAtNvramListen( RATExt* aAtCmdExt,
+                       RATExtCommon* aAtCmdExtCommon );
+
+    void ConstructL();
+
+    /**
+     * Initializes this class
+     *
+     * @since TB9.2
+     * @return None
+     */
+    void Initialize();
+
+// from base class CActive
+
+    /**
+     * From CActive.
+     * Gets called when NVRAM has changed
+     *
+     * @since TB9.2
+     * @return None
+     */
+    void RunL();
+
+    /**
+     * From CActive.
+     * Gets called on cancel
+     *
+     * @since TB9.2
+     * @return None
+     */
+    void DoCancel();
+
+private:  // data
+
+    /**
+     * AT command extension
+     * Not own.
+     */
+    RATExt* iAtCmdExt;
+
+    /**
+     * AT command extension to common functionality
+     * Not own.
+     */
+    RATExtCommon* iAtCmdExtCommon;
+
+    /**
+     * Current state of NVRAM status change listening; active or inactive
+     */
+    TDunState iNvramHandleState;
+
+    /**
+     * Buffer for NVRAM
+     */
+    TBuf8<KDefaultNvramBufLength> iNvramBuffer;
+
+    /**
+     * Flag to indicate start of receiving
+     */
+    TBool iStarted;
+
+    };
+
+#endif  // C_CDUNATNVRAMLISTEN_H