os/mm/mmplugins/cameraplugins/source/mmcameraclientplugin/mmcameraserver/src/mmcameraserverpolicymanager.h
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/mm/mmplugins/cameraplugins/source/mmcameraclientplugin/mmcameraserver/src/mmcameraserverpolicymanager.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,77 @@
1.4 +// Copyright (c) 2008-2009 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 +// mmcamerapolicymanager.h
1.18 +//
1.19 +//
1.20 +
1.21 +/**
1.22 + @file
1.23 + @internalTechnology
1.24 +*/
1.25 +
1.26 +#ifndef MMCAMERASERVERPOLICYMANAGER_H
1.27 +#define MMCAMERASERVERPOLICYMANAGER_H
1.28 +
1.29 +#include <e32std.h>
1.30 +#include <e32hashtab.h>
1.31 +#include <e32cmn.h>
1.32 +
1.33 +class CMMCameraServerSession;
1.34 +
1.35 +typedef TDblQue<CMMCameraServerSession> TCamSessionQue;
1.36 +typedef TDblQueIter<CMMCameraServerSession> TCamSessionIter;
1.37 +
1.38 +
1.39 +// ECAM Server Policies
1.40 +static _LIT_SECURITY_POLICY_C1 (KMMCameraServerPolicyUserEnvironment, ECapabilityUserEnvironment);
1.41 +static _LIT_SECURITY_POLICY_C1 (KMMCameraServerPolicyMultimediaDD, ECapabilityMultimediaDD);
1.42 +
1.43 +/**
1.44 + * Manages policy for the ECAM server.
1.45 + *
1.46 + * Handles both Platsec capability checks and Reserve/Release of camera devices.
1.47 + */
1.48 +class CMMCameraServerPolicyManager : public CBase
1.49 + {
1.50 +public:
1.51 + static CMMCameraServerPolicyManager* NewL();
1.52 +
1.53 + ~CMMCameraServerPolicyManager();
1.54 +
1.55 + void ReleaseClient(CMMCameraServerSession* aSession);
1.56 + TBool ReserveClient(CMMCameraServerSession* aSession);
1.57 +
1.58 + void OnConnectL (const RMessage2& aMessage);
1.59 + void ServiceHandlerL(const RMessage2& aMessage);
1.60 +
1.61 +private:
1.62 + CMMCameraServerPolicyManager(); // Named Constructor Idiom concept used
1.63 +
1.64 + void ConstructL();
1.65 + CMMCameraServerSession* FindFirstInQue(TInt aIndex);
1.66 + CMMCameraServerSession* FindLastInQue(TInt aIndex);
1.67 + void ReserveUpdate(CMMCameraServerSession* aSession);
1.68 + TBool CheckControlOvertaking(CMMCameraServerSession* aSession); // informs whether the new client can overtake camera control from the previously reserved ones
1.69 +
1.70 +private:
1.71 + TCamSessionQue iReservedSessionQ;
1.72 + TCamSessionIter iIter;
1.73 +
1.74 + TInt iCameraIndex;
1.75 + TInt iHandle;
1.76 + TInt iPriority;
1.77 + TBool iMMCapability;
1.78 + };
1.79 +
1.80 +#endif // MMCAMERASERVERPOLICYMANAGER_H