author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 19 Aug 2010 10:44:03 +0300 | |
branch | RCL_3 |
changeset 18 | 453dfc402455 |
parent 0 | d0791faffa3f |
permissions | -rw-r--r-- |
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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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@publishedPartner |
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@released |
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*/ |
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#ifndef TMTPTYPEFLATBASE_H |
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#define TMTPTYPEFLATBASE_H |
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#include <e32std.h> |
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#include <mtp/mmtptype.h> |
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#include <mtp/mtptypessimple.h> |
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/** |
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Defines the MTP flat data types base class. Flat data types are used to |
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represent MTP datasets comprising a single contiguous sequence of data |
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elements, each of a known type and length. This class implements generic |
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flat data type storage management capabilities and is intended for derivation |
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by concrete classes which implement specific MTP datasets. |
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@publishedPartner |
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@released |
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*/ |
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class TMTPTypeFlatBase : public MMTPType |
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{ |
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public: |
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IMPORT_C TMTPTypeFlatBase(); |
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IMPORT_C virtual void Reset(); |
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IMPORT_C virtual void GetL(TInt aElementId, MMTPType& aElement) const; |
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IMPORT_C virtual void SetL(TInt aElementId, const MMTPType& aElement); |
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IMPORT_C virtual void SetInt8(TInt aElementId, TInt8 aData); |
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IMPORT_C virtual void SetInt16(TInt aElementId, TInt16 aData); |
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IMPORT_C virtual void SetInt32(TInt aElementId, TInt32 aData); |
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IMPORT_C virtual void SetInt64(TInt aElementId, TInt64 aData); |
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IMPORT_C virtual void SetUint8(TInt aElementId, TUint8 aData); |
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IMPORT_C virtual void SetUint16(TInt aElementId, TUint16 aData); |
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IMPORT_C virtual void SetUint32(TInt aElementId, TUint32 aData); |
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IMPORT_C virtual void SetUint64(TInt aElementId, TUint64 aData); |
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IMPORT_C virtual TInt8 Int8(TInt aElementId) const; |
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IMPORT_C virtual TInt16 Int16(TInt aElementId) const; |
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IMPORT_C virtual TInt32 Int32(TInt aElementId) const; |
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IMPORT_C virtual TInt64 Int64(TInt aElementId) const; |
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IMPORT_C virtual TUint8 Uint8(TInt aElementId) const; |
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IMPORT_C virtual TUint16 Uint16(TInt aElementId) const; |
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IMPORT_C virtual TUint32 Uint32(TInt aElementId) const; |
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IMPORT_C virtual TUint64 Uint64(TInt aElementId) const; |
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inline TPtr8& DataBuffer() |
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{ |
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return iBuffer; |
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} |
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public: // From MMTPType |
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IMPORT_C virtual TInt FirstReadChunk(TPtrC8& aChunk) const; |
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IMPORT_C virtual TInt NextReadChunk(TPtrC8& aChunk) const; |
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IMPORT_C virtual TInt FirstWriteChunk(TPtr8& aChunk); |
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IMPORT_C virtual TInt NextWriteChunk(TPtr8& aChunk); |
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IMPORT_C virtual TUint64 Size() const; |
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IMPORT_C virtual TUint Type() const; |
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public: |
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/** |
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Defines the MTP flat data types element meta data. |
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*/ |
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struct TElementInfo |
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{ |
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/** |
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The element's MTP type identifier. |
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*/ |
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TInt iType; |
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/** |
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The offset (in bytes) of the element data from the start of the managed |
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dataset buffer. |
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*/ |
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TInt iOffset; |
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/** |
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The size (in bytes) of the element data. |
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*/ |
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TInt iSize; |
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}; |
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protected: |
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IMPORT_C virtual void SetBuffer(const TDes8& aBuffer); |
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/** |
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Provides the meta data for the specified element. |
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@param aElementId The identifier of the requested element. |
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@return The requested element's meta data. |
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*/ |
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virtual const TElementInfo& ElementInfo(TInt aElementId) const = 0; |
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//not owned |
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/** |
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The managed MTP dataset buffer. |
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*/ |
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TPtr8 iBuffer; |
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}; |
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#endif //TMTPTYPEFLATBASE_H |