--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Inc/Media/CVtEngDtmfHandler.h	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,174 @@
+/*
+* Copyright (c) 2006 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:  DTMF handler
+*
+*/
+
+
+
+#ifndef CVTENGDTMFHANDLER_H
+#define CVTENGDTMFHANDLER_H
+
+//  INCLUDES
+#include <e32std.h>
+#include <mvtprotocolhandler.h>
+#include "CVtEngDtmfState.h"
+#include "CVtEngOperation.h"
+#include "MVtEngDtmfHandler.h"
+
+// FORWARD DECLARATIONS
+class MVTUserInput;
+
+// CLASS DECLARATION
+
+/**
+*  Base class for data types
+*
+*  @lib videoteleng
+*  @since 2.6
+*/
+NONSHARABLE_CLASS( CVtEngDtmfHandler ) : public CBase, public MVtEngDtmfHandler
+    {
+    public: // Data structures
+        enum TUIISupport
+            {
+            EBasicString    = 2,
+            EIA5String      = 4,
+            EGeneralString  = 8,
+            EDTMFString     = 16
+            };
+
+    public: // constructor and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aH324Config H324 configure interface
+        * @return dtmf handler
+        */
+        static CVtEngDtmfHandler* NewL( 
+            MVtH324ConfigCommand& aH324Config );
+
+        /**
+        * Destructor
+        */
+        ~CVtEngDtmfHandler();
+
+    public: // from MVtEngDtmfHandler
+
+        /**
+        * @see MVtEngDtmfHandler
+        */
+        virtual void HandleL( CVtEngOperation& aOp );
+
+        /**
+        * @see MVtEngDtmfHandler
+        */
+        virtual CVtEngDtmfState& ActivateState( 
+            MVtEngDtmfHandler::TVtEngDtmfState aNewState );
+
+        /**
+        * @see MVtEngDtmfHandler
+        */
+        virtual void SendComplete( TInt aError );
+
+        /**
+        * @see MVtEngDtmfHandler
+        */
+        virtual MVTUserInput& ReserveProtoDtmfL(
+            const TVtEngDtmfTone& aTone  );
+
+        /**
+        * @see MVtEngDtmfHandler
+        */
+        virtual void ReleaseProtoDtmf();
+
+		/**
+        * @see MVtEngDtmfHandler
+        */
+		virtual TBool CheckCommandId( TInt aCheckCommandId ) const;
+
+		/**
+        * @see MVtEngDtmfHandler       
+        */
+		virtual void StoreCommandId( TInt aStoreCommandId );
+
+
+    public: // Protocol DTMF Support
+
+        /**
+        * Specifies the UII support
+        * @param aValue the support to be used
+        */
+        void SetUIISupport( TUIISupport aValue );
+
+        /**
+        * Gets the current UII support
+        * @return UII support
+        */
+        TUIISupport GetUIISupport() const;
+
+    private: // constructors
+
+        /**
+        * C++ constructor
+        */
+        CVtEngDtmfHandler( MVtH324ConfigCommand& aH324Config );
+
+        /**
+        * 2nd phase constructor
+        */
+        void ConstructL();
+
+    private: // new functions
+
+        /**
+        * Handles completion of DTMF sending, leavable method.
+        */
+        void HandleSendCompleteL( TInt aError );
+
+        /**
+        * Creates a state instance
+        * @param EVtDtmfStateIdle, EVtDtmfStateSending or EVtDtmfStateBuffered
+        */
+        void CreateStateL( TInt aState );
+
+    private: // member data
+
+        // DTMF states
+        CArrayPtrFlat<CVtEngDtmfState>* iDtmfStates;
+
+        // current state index
+        TVtEngDtmfState                 iCurrentState;
+
+        // protocol tone
+		MVTUserInput*        iProtoDtmf;
+
+        // H324 interface
+        MVtH324ConfigCommand&        iH324Config;
+
+        // Indicates supported UII type: 
+        // 16 DTMF
+        // 8 General String
+        // 4 IA5 String
+        // 2 Basic string
+        TUIISupport iUIISupport;
+
+		// DTMF command ID returned by H324 interface for last tone		
+		TInt iIssuedDtmfCommandId;
+    };
+
+
+#endif      CVTENGDTMFHANDLER_H
+
+// End of File