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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 /** |
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17 @file |
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18 @internalComponent |
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19 */ |
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20 |
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21 #ifndef TMTPTYPEOBJECTHANDLE_H |
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22 #define TMTPTYPEOBJECTHANDLE_H |
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23 |
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24 #include <e32base.h> |
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25 #include <e32std.h> |
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26 #include <mtp/tmtptypeuint32.h> |
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27 |
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28 /** |
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29 Defines the MTP object handle type. The MTP object handle encoding comprises |
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30 the following fields. |
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31 |
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32 1. MS 8 bits - The ID of the data provider responsible for the object. |
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33 2. LS 24 bits - A data provider unique object identifier. |
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34 |
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35 @internalComponent |
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36 |
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37 */ |
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38 class TMTPTypeObjectHandle : public TMTPTypeUint32 |
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39 { |
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40 public: |
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41 |
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42 TMTPTypeObjectHandle(TUint32 aId, TUint8 aDp); |
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43 TMTPTypeObjectHandle(TMTPTypeUint32 aId, TUint8 aDp); |
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44 TMTPTypeObjectHandle(TMTPTypeUint32 aHandle); |
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45 |
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46 ~TMTPTypeObjectHandle(); |
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47 |
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48 TUint8 DpId() const; |
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49 TUint32 DPObjectId() const; |
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50 void SetDPHandle(TUint8 aDp); |
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51 |
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52 inline static TUint ObjectID( TUint32 aHandleID ) |
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53 { |
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54 return ( (~KDpMask) & aHandleID); |
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55 } |
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56 |
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57 inline static TUint DataProviderID( TUint32 aHandleID ) |
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58 { |
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59 return ((KDpMask & aHandleID) >> KObjectIdWidth); |
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60 } |
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61 |
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62 public: |
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63 |
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64 static const TUint32 KDpMask = 0xFF000000; |
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65 static const TUint32 KObjectIdMax = 0x00FFFFFF; |
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66 static const TUint KObjectIdWidth = 24; |
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67 }; |
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68 |
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69 #endif // TMTPTYPEOBJECTHANDLE_H |