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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 #include "tmtptypeobjecthandle.h" |
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18 #include <mtp/tmtptypeuint32.h> |
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19 |
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20 /** |
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21 Constructor. |
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22 @param aId The data provider unique object identifier. |
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23 @param aDp The ID of the data provider responsible for the object. |
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24 */ |
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25 TMTPTypeObjectHandle::TMTPTypeObjectHandle(TUint32 aId, TUint8 aDp) : |
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26 TMTPTypeUint32(aId) |
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27 { |
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28 __ASSERT_DEBUG((aId <= KObjectIdMax), User::Invariant()); |
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29 SetDPHandle(aDp); |
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30 } |
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31 |
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32 /** |
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33 Destructor. |
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34 */ |
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35 TMTPTypeObjectHandle::~TMTPTypeObjectHandle() |
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36 { |
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37 } |
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38 |
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39 /** |
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40 Constructor. |
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41 @param aId The data provider unique object identifier. |
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42 @param aDp The ID of the data provider responsible for the object. |
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43 */ |
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44 TMTPTypeObjectHandle::TMTPTypeObjectHandle(TMTPTypeUint32 aId, TUint8 aDp) : TMTPTypeUint32(aId) |
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45 { |
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46 __ASSERT_DEBUG((aId.Value() <= KObjectIdMax), User::Invariant()); |
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47 SetDPHandle(aDp); |
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48 } |
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49 |
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50 /** |
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51 Constructor. |
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52 @param aHandle A valid encoded 32-bit MTP object handle. |
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53 */ |
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54 TMTPTypeObjectHandle::TMTPTypeObjectHandle(TMTPTypeUint32 aHandle) : |
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55 TMTPTypeUint32(aHandle) |
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56 { |
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57 } |
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58 |
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59 /** |
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60 Provides the ID of the data provider responsible for the object. |
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61 @return The ID of the data provider responsible for the object. |
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62 */ |
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63 TUint8 TMTPTypeObjectHandle::DpId() const |
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64 { |
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65 return (Value() & KDpMask) >> KObjectIdWidth; |
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66 } |
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67 |
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68 /** |
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69 Provides the DP's unique object ID for the object. |
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70 @return The object's unique DP ID. |
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71 */ |
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72 TUint32 TMTPTypeObjectHandle::DPObjectId() const |
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73 { |
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74 return Value() & ~KDpMask; |
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75 } |
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76 |
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77 /** |
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78 Encodes the given data provider ID into the top eight bits of this data type |
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79 |
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80 @param aDp The ID of the data provider responsible for the object. |
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81 */ |
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82 void TMTPTypeObjectHandle::SetDPHandle(TUint8 aDp) |
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83 { |
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84 Set(Value() | (aDp << KObjectIdWidth)); |
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85 } |