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// Copyright (c) 1999-2009 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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// Definition of object index class
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//
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//
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#ifndef __WSOBJIX_H__
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#define __WSOBJIX_H__
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#include <e32std.h>
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#include <e32base.h>
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class CWsObject;
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/**
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A simple structure to hold a CWsObject and the associated handle.
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@internalComponent
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@released
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*/
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class TWsObject
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{
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public:
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enum
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{
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ESlotMask=0x0000FFFF, //The handle on the client side uses these 16 bits to store the slot position
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ECountMask=0x7FFF0000, //These 15 bits are used to keep a unique number (the slot reuse count)
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ETypeMask=ESlotMask, //The handle on the server side uses these 16 bits to store the type of the object
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ECountPosition=16,
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ECountBits=15,
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ECountInc=1<<ECountPosition,
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ECountWrapAround=1<<ECountBits,
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};
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public:
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inline TWsObject(CWsObject* aObject,TInt aHandle);
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public:
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CWsObject* iObject;
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TUint iHandle;
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};
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/**
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An array of CWsObject instances and their handles.
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Each client session maintains a list of the objects it owns.
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Note that the first item in the iObjectArray array is a dummy item. This is because part of the
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handle is used as an index in the array and we want to avoid index 0 because a null handle has a special
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meaning.
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@see CWsClient
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@internalComponent
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@released
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*/
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class CWsObjectIx : public CBase
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{
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public:
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CWsObjectIx();
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~CWsObjectIx();
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void ConstructL();
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TInt AddL(CWsObject* anObj);
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void Remove(const TWsObject* aObject);
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void Remove(CWsObject* anObj);
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CWsObject* HandleToObject(TInt aHandle) const;
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inline const CWsObject* At(TInt aPos) const;
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const TWsObject* FirstObject() const;
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TInt At(const CWsObject* anObj);
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void Tidy();
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TInt Count() const; // Count of non NULL objects in the array
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TInt Length() const; // Length of array including empty slots
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private:
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CArrayFixFlat<TWsObject> iObjectArray;
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TInt iNewObjectCount;
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};
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//
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// inlines //
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//
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//
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// TWsObject
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//
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inline TWsObject::TWsObject(CWsObject* aObject,TInt aHandle) :iObject(aObject), iHandle(aHandle) {}
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//
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// CWsObjectIx
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//
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inline const CWsObject* CWsObjectIx::At(TInt aPos) const
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{return iObjectArray[aPos].iObject;}
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#endif
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