remotestoragefw/remotefileengine/inc/rsfwopenbypathstatemachine.h
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:15:08 +0100
branchRCL_3
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/*
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* Copyright (c) 2005-2006 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:  State machine for opening a file or directory
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*
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*/
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#ifndef C_RSFW_OPENBYPATHSTATEMACHINE_H
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#define C_RSFW_OPENBYPATHSTATEMACHINE_H
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#include "rsfwattributerefreshingstatemachine.h"
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class TDirEntAttr;
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/**
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 *  State machine for OpenByPath operation.
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 *
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 *  Assumes FID is not yet cached. Note that here we know FID <-> pathname 
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 *  association and in principle the file with that pathname should exist
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 * 	as this call has been preceded by a call to Entry()
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 *   - of course, there is a possibility that the file has been deleted from 
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 *  the server
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 *
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 */
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class CRsfwOpenByPathStateMachine : public CRsfwAttributeRefreshingStateMachine
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    {
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public:
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    CRsfwOpenByPathStateMachine();
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    ~CRsfwOpenByPathStateMachine();
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public:
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    //STATES
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    // requiring opening in the relevant mode - e.g. obtain a write lock
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    class TRequestOpenModeState : public CRsfwOpenByPathStateMachine::TState
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        {
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    public:
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        TRequestOpenModeState(CRsfwOpenByPathStateMachine* aOperation);
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        void EnterL();
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        TState* CompleteL();
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        TState* ErrorL(TInt aCode);
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    private:
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        CRsfwOpenByPathStateMachine* iOperation;
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        TBool iRequestedLock;
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        };
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public:
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    TState* CompleteRequestL(TInt aError);
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public: 
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    // input parameters;
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    TBool iRealOpen;
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    // file open mode
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    TUint iFlags;
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    //output params:
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    TDesC* iCacheName;
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    TDirEntAttr* iAttrp;
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    TDesC8* iLockToken;
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    };
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#endif // C_RSFW_OPENBYPATHSTATEMACHINE_H