--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundrefplugin/src/server/MmfAudioPolicy.h	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,104 @@
+// Copyright (c) 2001-2009 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 __MMFAUDIOPOLICY_H__
+#define __MMFAUDIOPOLICY_H__
+
+#include <e32base.h>
+#include <f32file.h>
+#include "MmfAudioPolicyRequest.h"	
+#include <mmf/server/sounddevice.h>			
+#include "MdaHwInfo.h"
+#include "MmfDevSoundEventHandler.h"
+#include <mmf/common/mmfstandardcustomcommands.h>
+#include <mmf/common/mmfcontrollerframeworkbase.h>
+
+/** 
+Panic category and codes for the AudioPolicy  
+@internalTechnology
+*/
+_LIT(KMMFAudioPolicyPanicCategory, "MMFAudioPolicy");
+enum TMMFAudioPolicyPanicCodes
+	{
+	EMMFAudioPolicyRequestArrayOverflow,
+	EMMFAudioPolicySessionEventQueueOverflow
+	};
+	
+class CAudioPolicy; // declared here.
+/******************************************************************************
+* Class Name:	CAudioPolicy
+* 
+* Description:	This class is ultimately implemented by the product team based
+*				on their requirements for audio behavior in the face of 
+*				multiple audio requests simultaneously.  The reference 
+*				implementation is a simple priority scheme.  If a request is 
+*				a higher priority, it gets played, even if termination of a 
+*				running request of lower prioirity is required.
+******************************************************************************/
+
+class CMMFAudioPolicyServer;
+
+NONSHARABLE_CLASS( CAudioPolicy ): public CBase
+/**
+*@internalTechnology
+*/
+	{
+public:
+
+	IMPORT_C static CAudioPolicy* NewL(CMMFAudioPolicyServer* aAudioPolicyServer);
+	void RemoveSessionFromList(CMMFAudioPolicyRequest* aAudioPolicyRequest);
+	~CAudioPolicy();
+	void MakeRequest(CMMFAudioPolicyRequest* aAudioPolicyRequest);
+	void ModifyEntry(TInt aPolicySessionId,const TMMFAudioPolicyState aNewState);
+	void RemoveFromList(TInt aPolicySessionId, TBool aAllowTimerRestart=ETrue);
+	void LaunchRequest(TInt aSessionId);
+	void ReserveClientNumL(TInt aNum);
+	void NotifyNextClient();
+	TInt SetNotification(TInt aSessionId,TUid aEventType);
+	inline CMdaHwInfo* MdaHwInfo(void) {return iMdaHwInfo;} 
+protected:
+	CAudioPolicy(CMMFAudioPolicyServer* aAudioPolicyServer);
+private:
+	enum {EGranularity=8};
+	typedef CMMFAudioPolicyRequest* PtrPolicyRequest;
+	typedef CArrayFixFlat<PtrPolicyRequest> CPolicyReqPtrArray;
+	CPolicyReqPtrArray* iAudioPolicyRequestArray; 
+
+	CMMFAudioPolicyServer* iAudioPolicyServer;
+	CMdaHwInfo* iMdaHwInfo;
+	TInt iNotifiedSessionId;  // latest attemped session Id
+	TInt iSessionIdAwaitingForDevsound;
+	TInt iStopHandledFromSessId;
+
+	void ConstructL();
+
+	CMMFAudioPolicyRequest* FindPolicyRequestById(TInt aSessionId) const;
+	TPolicyResponse ProcessRequest(CMMFAudioPolicyRequest* aAudioPolicyRequest);
+	void HandlePreferences(CMMFAudioPolicyRequest* aAudioPolicyRequest, TInt aPref, TPolicyResponse& aResponse);
+	void NotifySessionWithTimeout(TInt aPolicySessionIdx, TMMFAudioPolicyEvent::TAudioPolicyEventType aEvent);
+	TBool IsRegisteredNotification(TInt aSessionId) const;
+	TInt CheckSessionToNotify();
+	};
+
+/**
+The function panic raises a panic from within the MmfAudioPolicy library
+@param The argument is a member of the enumeration TMMFAudioPolicyPanicCodes
+*/
+GLDEF_C void Panic(TMMFAudioPolicyPanicCodes aError);
+
+	
+#endif
+
+