--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/localconnectivityservice/dun/atext/inc/DunAtCmdEchoer.h	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,135 @@
+/*
+* Copyright (c) 2010 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:  Echoer for AT commands
+*
+*/
+
+#ifndef C_CDUNATCMDECHOER_H
+#define C_CDUNATCMDECHOER_H
+
+#include "DunDataPusher.h"
+
+class MDunStreamManipulator;
+
+/**
+ *  Notification interface class for text mode
+ *
+ *  @lib dunatext.lib
+ *  @since TB9.2
+ */
+NONSHARABLE_CLASS( MDunAtCmdEchoer )
+    {
+
+public:
+
+    /**
+     * Notifies about completed echo in text mode
+     *
+     * @since TB9.2
+     * @return None
+     */
+    virtual void NotifyEchoComplete() = 0;
+
+    };
+
+/**
+ *  Class for AT command echoer
+ *
+ *  @lib dunatext.lib
+ *  @since TB9.2
+ */
+NONSHARABLE_CLASS( CDunAtCmdEchoer ) : public CBase,
+                                       public MDunCompletionReporter
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aStreamCallback Callback to stream
+     * @return Instance of self
+     */
+    static CDunAtCmdEchoer* NewL( MDunStreamManipulator* aStreamCallback );
+
+    /**
+    * Destructor.
+    */
+    virtual ~CDunAtCmdEchoer();
+
+    /**
+     * Resets data to initial values
+     *
+     * @since TB9.2
+     * @return None
+     */
+    void ResetData();
+
+    /**
+     * Sends a character to be echoed
+     *
+     * @since TB9.2
+     * @param aInput Input to echo
+     * @param aCallback Callback to echo request completions
+     * @return Symbian error code on error, KErrNone otherwise
+     */
+    TInt SendEchoCharacter( const TDesC8* aInput, MDunAtCmdEchoer* aCallback );
+
+private:
+
+    CDunAtCmdEchoer( MDunStreamManipulator* aStreamCallback );
+
+    void ConstructL();
+
+    /**
+     * Initializes this class
+     *
+     * @since TB9.2
+     * @return None
+     */
+    void Initialize();
+
+// from base class MDunCompletionReporter
+
+    /**
+     * From MDunCompletionReporter.
+     * Gets called when data push is complete
+     *
+     * @since TB9.2
+     * @param aAllPushed ETrue if all in the queue were pushed, EFalse otherwise
+     * @return None
+     */
+    void NotifyDataPushComplete( TBool aAllPushed );
+
+private:  // data
+
+    /**
+     * Notification interface class for echo request completions
+     * Not own.
+     */
+    MDunAtCmdEchoer* iCallback;
+
+    /**
+     * Callback to call when data to push
+     * Not own.
+     */
+    MDunStreamManipulator* iStreamCallback;
+
+    /**
+     * Current state of echoing: active or inactive
+     */
+    TDunState iAtEchoState;
+
+    };
+
+#endif  // C_CDUNATCMDECHOER_H