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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// mmcamerapolicymanager.h
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//
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//
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/**
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@file
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@internalTechnology
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*/
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#ifndef MMCAMERASERVERPOLICYMANAGER_H
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#define MMCAMERASERVERPOLICYMANAGER_H
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#include <e32std.h>
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#include <e32hashtab.h>
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#include <e32cmn.h>
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class CMMCameraServerSession;
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typedef TDblQue<CMMCameraServerSession> TCamSessionQue;
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typedef TDblQueIter<CMMCameraServerSession> TCamSessionIter;
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// ECAM Server Policies
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static _LIT_SECURITY_POLICY_C1 (KMMCameraServerPolicyUserEnvironment, ECapabilityUserEnvironment);
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static _LIT_SECURITY_POLICY_C1 (KMMCameraServerPolicyMultimediaDD, ECapabilityMultimediaDD);
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/**
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* Manages policy for the ECAM server.
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*
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* Handles both Platsec capability checks and Reserve/Release of camera devices.
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*/
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class CMMCameraServerPolicyManager : public CBase
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{
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public:
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static CMMCameraServerPolicyManager* NewL();
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~CMMCameraServerPolicyManager();
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void ReleaseClient(CMMCameraServerSession* aSession);
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TBool ReserveClient(CMMCameraServerSession* aSession);
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void OnConnectL (const RMessage2& aMessage);
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void ServiceHandlerL(const RMessage2& aMessage);
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private:
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CMMCameraServerPolicyManager(); // Named Constructor Idiom concept used
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void ConstructL();
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CMMCameraServerSession* FindFirstInQue(TInt aIndex);
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CMMCameraServerSession* FindLastInQue(TInt aIndex);
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void ReserveUpdate(CMMCameraServerSession* aSession);
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TBool CheckControlOvertaking(CMMCameraServerSession* aSession); // informs whether the new client can overtake camera control from the previously reserved ones
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private:
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TCamSessionQue iReservedSessionQ;
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TCamSessionIter iIter;
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TInt iCameraIndex;
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TInt iHandle;
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TInt iPriority;
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TBool iMMCapability;
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};
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#endif // MMCAMERASERVERPOLICYMANAGER_H
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