--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneengine/audiohandling/inc/cpeaudiodtmftoneplayer.h	Fri Jun 04 10:19:18 2010 +0100
@@ -0,0 +1,173 @@
+/*
+* Copyright (c) 2002-2007 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:  This file contains the header file of the class CPEAudioDtmfTonePlayer, 
+*                that plays DTMF tones using media server.
+*
+*/
+
+
+#ifndef CPEAUDIODTMFTONEPLAYER_H
+#define CPEAUDIODTMFTONEPLAYER_H
+
+// INCLUDES
+#include    <e32base.h>
+#include    <sounddevice.h>
+
+// CONSTANTS
+// None.
+
+// MACROS
+// None.
+
+// DATA TYPES
+// None.
+
+// FUNCTION PROTOTYPES
+// None.
+
+// FORWARD DECLARATIONS
+class CMMFDevSound;
+
+// CLASS DECLARATION
+
+/**
+*  plays DTMF tones using media server
+*
+*  @lib audiohandling.lib
+*  @since Series60_2.7
+*/
+class CPEAudioDtmfTonePlayer 
+    : public CBase, 
+      public MDevSoundObserver
+    {
+    public:  // Constructors and destructor      
+        
+        /**
+        * Two-phased constructor.
+        */
+        static CPEAudioDtmfTonePlayer* NewL();
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CPEAudioDtmfTonePlayer();
+
+    public:
+
+        /**
+        * Sets volume.
+        * @since Series60_2.7
+        * @param aVolume volume value or KDtmfSilent.
+        * @return None.
+        */
+        void SetVolume( TInt aVolume );
+
+        /**
+        * Starts playing given dtmf tone infinitely.
+        * @since Series60_2.7
+        * @param aTone Tone to be played.
+        * @return None.
+        */
+        void PlayDtmfTone( TChar aTone );
+
+        /**
+        * Cancels playing.
+        * @since Series60_2.7
+        * @param None.
+        * @return None.
+        */
+        void Cancel();
+        
+    public: //From MDevSoundObserver
+          /**
+          * See MDevSoundObserver
+          */
+           void InitializeComplete( TInt aError );
+
+          /**
+          * See MDevSoundObserver
+          */
+           void ToneFinished( TInt aError );
+
+          /**
+          * See MDevSoundObserver
+          */
+           void BufferToBeFilled( CMMFBuffer* aBuffer );
+
+          /**
+          * See MDevSoundObserver
+          */
+           void PlayError( TInt aError );
+
+          /**
+          * See MDevSoundObserver
+          */
+           void BufferToBeEmptied( CMMFBuffer* aBuffer );
+
+          /**
+          * See MDevSoundObserver
+          */
+           void RecordError( TInt aError );
+
+          /**
+          * See MDevSoundObserver
+          */
+           void ConvertError( TInt aError );
+          /**
+          * See MDevSoundObserver
+          */       
+          void DeviceMessage( TUid aMessageType, const TDesC8& aMsg );   
+          
+    protected:
+
+        /**
+        * C++ default constructor.
+        */
+        CPEAudioDtmfTonePlayer();
+
+        void ConstructL();
+
+
+        /**
+        * Normalize tone.
+        * @since Series60_2.7
+        * @param aTone dtmf tone.
+        * @return None.
+        */
+        void Normalize( TChar& aTone );
+
+  
+        
+    private: //new functions
+        
+        /**
+         * Converts the given value to the one that matches tha range used by 
+         * CMMFDevSound. The CMMFDevSound uses valuess that can from 0 to the
+         * value returned by a call to CMMFDevSound::MaxVolume().
+         */
+        TInt ConvertVolume( TInt aVolume );
+    
+    protected:    // Data
+
+        // Current volume setting.
+        TInt iVolume;
+        
+        // DTMF player instance
+        CMMFDevSound*        iDTMFPlayer;
+
+    };
+
+#endif      // CPEAUDIODTMFTONEPLAYER_H
+            
+// End of File