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/*
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* Copyright (c) 2001-2009 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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*
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*/
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/**
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@file
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@publishedAll
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@released
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*/
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#ifndef __TCTTOKENHANDLE_H__
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#define __TCTTOKENHANDLE_H__
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#include <e32std.h>
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/**
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* Defines a handle to a subclass of the MCTToken class.
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*
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* The handle identifies the class, not a particular instance of that class.
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* It is guaranteed to be unique within the context of a specific device (e.g.
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* mobile phone, etc.).
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*
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* The handle is especially useful for communication across process boundaries.
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* For example: a process (A) can open a token (T), get a handle to it and then
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* give the handle to another process (B). This process (B) can then try to open
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* the token (T) using that handle.
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*
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* @since v7.0
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*/
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class TCTTokenHandle
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{
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public:
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/**
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* Creates an invalid handle for the token.
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*
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* An invalid handle has a iTokenTypeUid and a iTokenId equal to 0.
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*/
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IMPORT_C TCTTokenHandle();
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/**
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* Creates a handle for the token.
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*
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* @param aTokenTypeUid The value of the TokenType Uid.
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* @param aTokenId The identity of the Token.
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*/
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IMPORT_C TCTTokenHandle(TUid aTokenTypeUid, TInt aTokenId);
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/** The copy constructor.
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*
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* @param aTokenHandle The Token Handle object to copy
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*/
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IMPORT_C TCTTokenHandle(const TCTTokenHandle& aTokenHandle);
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/**
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* Equality operator.
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*
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* Tests whether this Token Handle object is equal to the specified
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* Token Handle object.
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*
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* @param aTokenHandle The Token Handle object to be compared.
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* @return ETrue, if this Token Handle object is equal to
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* the specified Token Handle object; EFalse otherwise.
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*/
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IMPORT_C TBool operator ==(const TCTTokenHandle& aTokenHandle) const;
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/**
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* Inequality operator.
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*
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* Tests whether this Token Handle object is not equal to the specified
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* Token Handle object.
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*
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* @param aTokenHandle The Token Handle object to be compared.
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* @return ETrue, if this Token Handle object is not equal to
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* the specified Token Handle object; EFalse, otherwise.
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*/
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inline TBool operator !=(const TCTTokenHandle& aTokenHandle) const;
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public:
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/**
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* The UID of the TokenType.
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*
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* This identifies to which TokenType the Token belongs.
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*/
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TUid iTokenTypeUid;
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/**
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* The identity of the Token.
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*
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* This Id is unique within the context of a TokenType.
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*/
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TInt iTokenId;
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};
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inline TBool TCTTokenHandle::operator !=(const TCTTokenHandle& aTokenHandle) const
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{
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return !(*this == aTokenHandle);
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}
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#endif
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