author | hgs |
Tue, 28 Sep 2010 20:14:08 +0800 | |
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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 "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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@file |
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@internalComponent |
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*/ |
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#ifndef TMTPTYPEOBJECTHANDLE_H |
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#define TMTPTYPEOBJECTHANDLE_H |
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#include <e32base.h> |
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#include <e32std.h> |
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#include <mtp/tmtptypeuint32.h> |
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/** |
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Defines the MTP object handle type. The MTP object handle encoding comprises |
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the following fields. |
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1. MS 8 bits - The ID of the data provider responsible for the object. |
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2. LS 24 bits - A data provider unique object identifier. |
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@internalComponent |
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*/ |
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class TMTPTypeObjectHandle : public TMTPTypeUint32 |
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{ |
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public: |
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TMTPTypeObjectHandle(TUint32 aId, TUint8 aDp); |
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TMTPTypeObjectHandle(TMTPTypeUint32 aId, TUint8 aDp); |
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TMTPTypeObjectHandle(TMTPTypeUint32 aHandle); |
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~TMTPTypeObjectHandle(); |
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TUint8 DpId() const; |
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TUint32 DPObjectId() const; |
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void SetDPHandle(TUint8 aDp); |
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inline static TUint ObjectID( TUint32 aHandleID ) |
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{ |
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return ( (~KDpMask) & aHandleID); |
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} |
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inline static TUint DataProviderID( TUint32 aHandleID ) |
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{ |
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return ((KDpMask & aHandleID) >> KObjectIdWidth); |
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} |
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public: |
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static const TUint32 KDpMask = 0xFF000000; |
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static const TUint32 KObjectIdMax = 0x00FFFFFF; |
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static const TUint KObjectIdWidth = 24; |
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}; |
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#endif // TMTPTYPEOBJECTHANDLE_H |