1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/devsound/sounddevbt/src/server/MmfBtAudioPolicy.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,99 @@
     1.4 +// Copyright (c) 2001-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#ifndef __MMFBTAUDIOPOLICY_H__
    1.20 +#define __MMFBTAUDIOPOLICY_H__
    1.21 +
    1.22 +#include <e32base.h>
    1.23 +#include <f32file.h>
    1.24 +#include "MmfBtAudioPolicyRequest.h"	
    1.25 +#include <mmf/server/sounddevice.h>			
    1.26 +#include "MdaBtHwInfo.h"
    1.27 +#include "MmfBtDevSoundEventHandler.h"
    1.28 +#include "mmfstandardcustomcommands.h"
    1.29 +#include "mmfcontrollerframeworkbase.h"
    1.30 +
    1.31 +/** 
    1.32 +Panic category and codes for the AudioPolicy  
    1.33 +@internalTechnology
    1.34 +*/
    1.35 +_LIT(KMMFAudioPolicyPanicCategory, "MMFAudioPolicy");
    1.36 +enum TMMFAudioPolicyPanicCodes
    1.37 +	{
    1.38 +	EMMFAudioPolicyRequestArrayOverflow
    1.39 +	};
    1.40 +	
    1.41 +class CAudioPolicy; // declared here.
    1.42 +/******************************************************************************
    1.43 +* Class Name:	CAudioPolicy
    1.44 +* 
    1.45 +* Description:	This class is ultimately implemented by the product team based
    1.46 +*				on their requirements for audio behavior in the face of 
    1.47 +*				multiple audio requests simultaneously.  The reference 
    1.48 +*				implementation is a simple priority scheme.  If a request is 
    1.49 +*				a higher priority, it gets played, even if termination of a 
    1.50 +*				running request of lower prioirity is required.
    1.51 +******************************************************************************/
    1.52 +
    1.53 +class CMMFAudioPolicyServer;
    1.54 +
    1.55 +NONSHARABLE_CLASS( CAudioPolicy ): public CBase
    1.56 +/**
    1.57 +*@internalTechnology
    1.58 +*/
    1.59 +	{
    1.60 +public:
    1.61 +
    1.62 +	IMPORT_C static CAudioPolicy* NewL(CMMFAudioPolicyServer* aAudioPolicyServer);
    1.63 +	void RemoveSessionFromList(CMMFAudioPolicyRequest* aAudioPolicyRequest);
    1.64 +	~CAudioPolicy();
    1.65 +	void MakeRequest(CMMFAudioPolicyRequest* aAudioPolicyRequest);
    1.66 +	void ModifyEntry(TInt aPolicySessionId, CMMFAudioPolicyRequest* aAudioPolicyRequest);
    1.67 +	void RemoveFromList(TInt aPolicySessionId);
    1.68 +	void LaunchRequest();
    1.69 +	CArrayFixFlat<CMMFAudioPolicyRequest>* AudioPolicyRequestArray();
    1.70 +	void DoSendNotification();
    1.71 +	TInt SetNotification(TInt aSessionId,TUid aEventType);
    1.72 +	inline CMdaHwInfo* MdaHwInfo(void) {return iMdaHwInfo;} 
    1.73 +protected:
    1.74 +	CAudioPolicy(CMMFAudioPolicyServer* aAudioPolicyServer);
    1.75 +private:
    1.76 +	enum {EGranularity=8};
    1.77 +	CArrayFixFlat<CMMFAudioPolicyRequest>* iAudioPolicyRequestArray; 
    1.78 +	TInt iSessionToAlert;
    1.79 +	TInt iSessionToBeLaunched;
    1.80 +	CMMFAudioPolicyServer* iAudioPolicyServer;
    1.81 +	CMdaHwInfo* iMdaHwInfo;
    1.82 +	TMMFAudioPolicyEvent iAudioPolicyEventToLaunch;
    1.83 +	TMMFAudioPolicyEvent iAudioPolicyEvent;
    1.84 +
    1.85 +	void ConstructL();
    1.86 +	TPolicyResponse ProcessRequest(CMMFAudioPolicyRequest* aAudioPolicyRequest);
    1.87 +	TPolicyResponse ComparePriorities(CMMFAudioPolicyRequest* aAudioPolicyRequest/*,TMMFAudioPolicyEvent& aEvent*/);
    1.88 +	void HandlePreferences(CMMFAudioPolicyRequest* aAudioPolicyRequest, TInt aPref, TPolicyResponse& aResponse);
    1.89 +	void SetSessionToAlert(TInt aSessionToAlert, TInt aSessionToBeLaunched, TMMFAudioPolicyEvent::TAudioPolicyEventType aEventType, TMMFAudioPolicyState aState );
    1.90 +	TBool IsRegisteredNotification(TInt aSessionId);
    1.91 +	TBool IsNotified();
    1.92 +	void ResetNotification();
    1.93 +	TInt CheckSessionToNotify();
    1.94 +	};
    1.95 +
    1.96 +/**
    1.97 +The function panic raises a panic from within the MmfAudioPolicy library
    1.98 +@param The argument is a member of the enumeration TMMFAudioPolicyPanicCodes
    1.99 +*/
   1.100 +GLDEF_C void Panic(TMMFAudioPolicyPanicCodes aError);
   1.101 +
   1.102 +#endif