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/*
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* Copyright (c) 2005-2009 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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*
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*/
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#ifndef LDDASYNCREQUEST_H_
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#define LDDASYNCREQUEST_H_
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#include <mmc.h>
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class DLddAsyncRequest ;
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/**
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* DLddAsyncRequest observer interface
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*
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*/
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class MAsyncRequestObserver
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{
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public:
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virtual void Notify(DLddAsyncRequest& aRequest) = 0;
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};
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/**
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* Wraps a TRequestStatus along with a function (command) id
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*
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*/
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class DLddAsyncRequest
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{
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public:
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DLddAsyncRequest(TInt aFunctionId, TRequestStatus* aStatus, MAsyncRequestObserver& aObserver);
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virtual ~DLddAsyncRequest();
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TRequestStatus* Status();
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TInt Error();
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TInt FunctionId();
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protected:
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TInt iFunctionId;
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TRequestStatus* iStatus;
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MAsyncRequestObserver& iObserver;
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TInt iError;
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};
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/**
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* Extends DLddAsyncRequest to add DMMCSession async functionality
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*
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*/
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class DMmcSessionAsyncRequest : public DLddAsyncRequest
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{
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public:
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DMmcSessionAsyncRequest(TInt aFunctionId, TRequestStatus* aStatus,
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MAsyncRequestObserver& aObserver, TDynamicDfcQue* aDfcQ, DMMCStack& aStack, TMMCard& aCard);
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~DMmcSessionAsyncRequest();
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DMMCSession& Session();
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public:
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static void SessionEndCallBack(TAny *aPtr);
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static void SessionEndDfc(TAny *aPtr);
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void Reset();
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private:
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DMMCSession* iSession;
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TMMCCallBack iSessionEndCallBack;
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TDfc iSessionEndDfc;
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public:
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TAny* iClientDesPtr;
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TUint32 iBlkOffet;
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TUint8* iBuf;
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private:
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void SessionEndCallBack();
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void SessionEndDfc();
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};
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/**
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* Extends DLddAsyncRequest to add TPBusCallBack (DMMCSocket) async functionality
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* used to handle callbacks for Bus events
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*
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*/
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class DBusEventRequest : public DMmcSessionAsyncRequest
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{
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public:
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DBusEventRequest(TInt aFunctionId, TRequestStatus* aStatus, MAsyncRequestObserver& aObserver, TInt aUnit,
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TDynamicDfcQue* aDfcQ, DMMCStack& aStack, TMMCard& aCard);
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~DBusEventRequest();
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TPBusState BusState() const { return (TPBusState) iBusState; }
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TInt BusError() const { return iBusError; }
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public:
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static void BusEventCallBack(TAny* aPtr, TInt aReason, TAny* a1, TAny* a2);
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private:
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TPBusCallBack iBusEventCallBack;
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private:
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void BusEventCallBack(TInt aReason, TAny* a1, TAny* a2);
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TPBusState iBusState;
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TInt iBusError;
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};
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#endif /*LDDASYNCREQUEST_H_*/
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