--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/a3fdevsound/src/devsoundadaptor/cdevtonecontrol.h	Thu Oct 07 22:34:12 2010 +0100
@@ -0,0 +1,154 @@
+/*
+* Copyright (c) 2006-2009 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:
+*
+*/
+
+
+
+
+#ifndef CDEVTONECONTROL_H
+#define CDEVTONECONTROL_H
+
+#include <e32base.h>
+
+#include "cdevcommoncontrol.h"
+
+#include <a3f/maudiodatasupplier.h>
+#include <a3f/maudioprocessingunitobserver.h>
+#include <a3f/tonedata.h>
+#include <a3f/a3f_trace_utils.h>
+
+
+class MMMFBufferSource;
+
+/**
+ * CDevToneControl.
+ *
+ * ?description
+ *
+ * @lib mmfdevsoundadaptation.lib
+ */
+
+NONSHARABLE_CLASS(CDevToneControl) :public CDevCommonControl,
+									public MMMFAudioDataSupplier
+	{
+public:
+
+	/**
+	* Destructor.
+	* Releases all resources and deletes all objects owned by this instance.
+	*/
+	~CDevToneControl();
+
+	static CDevToneControl* NewL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver);
+
+	void ConstructL(CDevAudio* aDevAudio, MDevSoundAdaptationObserver& aDevSoundObserver);
+
+// from base class CDevAudioControl
+
+	/**
+	* Initialize playing state control components
+	* @since
+	* @return error code
+	*/
+	virtual TInt Initialize(TUid aFormat);
+
+	/**
+	* Initializes and starts the wanted operation (Play, Record, TonePlay).
+	* @since
+	* @return error code
+	*/
+	virtual TInt ProcessInit();
+
+	/**
+	* Processes the data (PlayData, RecordData).
+	* @since
+	* @return void
+	*/
+	virtual void ProcessData();
+
+	// from base class MMMFAudioDataSupplier
+	/**
+	* Request a buffer to be filled with audio data by the data supplier.
+	*
+	* The supplier should fill the buffer as quickly as possible and then call
+	* MBufferSource::BufferFilled() passing the filled buffer as a parameter.
+	*
+	* @param aSource a pointer to the source requesting the buffer
+	* @param aBuffer a pointer to the buffer to fill
+	*/
+	virtual void BufferToBeFilled(MMMFBufferSource* aSource, CMMFBuffer* aBuffer);
+
+	/**
+	* Indicates that all buffers previously requested by this source have become
+	* invalid and must not be used.
+	*
+	* @param aSource the source whose previous buffer requests should be ignored.
+	*/
+	virtual void DiscardBuffers(MMMFBufferSource* aSource);
+
+	/**
+	* Indicates that last buffer has been processed
+	*
+	* @since
+	* @param aSource the source
+	*/
+
+	void ProcessingFinished(MAudioStream& /*aStream*/);
+
+	/**
+	* Saves tonedata for later use
+	* This includes information about tone type, data, length, etc.
+	*
+	* @since
+	* @param aToneData
+	* @return error code
+	*/
+	TInt SetToneData(TToneData& aToneData);
+
+
+	// from CDevCommonControl
+	void FinishWithError(TInt aError);
+	
+	/**
+	* Called when a ProcessingFinished callback is received
+	*
+	* @since
+	* @param TBool& aAyncCompletion
+	* @return an error code KErrNone if successful
+	*/
+	virtual TInt ProcessingFinishedReceived(TBool& aAyncCompletion);
+	
+	virtual TInt ProcessingError(TBool& aAyncCompletion);
+
+private:
+	CDevToneControl();
+
+private: // data
+
+	/**
+	* Casted convenience pointer to DevAudio::iAudioSource
+	* Not own.
+	*/
+	MMMFBufferSource *iBufferSource;
+
+	/**
+	* Information about tone.
+	*/
+	TToneData iToneData;
+
+	};
+
+#endif // CDEVTONECONTROL_H