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// Copyright (c) 2006-2009 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 the License "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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// lbsrootapi.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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@released
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*/
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#ifndef __LBS_PROCESSSUPERVISOR_H__
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#define __LBS_PROCESSSUPERVISOR_H__
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#include <e32base.h>
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#include <e32def.h>
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#include <e32cmn.h>
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#include <e32std.h>
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#include <e32property.h>
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#include "lbsprocessuiddefs.h"
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/**
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* Class which allows processes to register to be notified for closedown,
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* and to confirm closedown when it is completed.
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*/
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class RLbsProcessSupervisor
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{
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public:
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/**
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* Values for closedown request property which indicate whether the
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* process is to close itself down or reset itself.
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*/
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enum TProcessSignal
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{
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EProcessSignalUnknown = 0,
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EProcessCloseDown,
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EProcessReset
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};
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public:
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IMPORT_C static void InitializeL();
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IMPORT_C static void ShutDownL();
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IMPORT_C RLbsProcessSupervisor();
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IMPORT_C void OpenL(TUid aModuleId);
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IMPORT_C void Close();
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IMPORT_C void CloseDownProcess();
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IMPORT_C void ResetProcess();
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void NotifyCloseDownRequest(TRequestStatus& aStatus);
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IMPORT_C void CancelNotifyCloseDownRequest();
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TInt ProcessSignal();
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private:
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RProperty iRequestCloseDown;
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TUid iModuleId;
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};
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/**
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* Mixin class defining a function implemented by LBS processes/servers started
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* by LBS Root and which is called when the process/server is to close itself
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* down
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*/
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class MLbsProcessCloseDown
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{
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public:
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virtual void OnProcessCloseDown() = 0;
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};
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/**
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* Mixin class defining a function implemented by LBS processes/servers started
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* by LBS Root and which is called when the process/server is to 'reset' itself
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* (e.g. clear internal cache, state variable). This is expected mainly to be
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* used for test purposes.
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*/
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class MLbsProcessReset
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{
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public:
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virtual void OnProcessReset() = 0;
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};
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class CLbsCloseDownRequestDetector : public CActive
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{
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public:
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// Not all process need to implement a reset function, so allow a default
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// value of NULL for the reset observer.
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IMPORT_C static CLbsCloseDownRequestDetector* NewL(
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MLbsProcessCloseDown* aCloseDownObserver,
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TUid aProcessUid,
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MLbsProcessReset* aResetObserver = NULL);
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~CLbsCloseDownRequestDetector();
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protected:
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CLbsCloseDownRequestDetector(MLbsProcessCloseDown* aCloseDown,
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MLbsProcessReset* aResetObserver);
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void ConstructL(TUid aProcessUid);
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protected:
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//From CActive
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virtual void RunL();
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virtual void DoCancel();
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private:
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RLbsProcessSupervisor iLbsSupervisor;
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MLbsProcessCloseDown* iCloseDownObserver;
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MLbsProcessReset* iResetObserver;
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};
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#endif //__LBS_PROCESSSUPERVISOR_H__
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