1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 

    17 #include "tmtptypeobjecthandle.h"

    18 #include <mtp/tmtptypeuint32.h>

    19 

    20 /**

    21 Constructor.

    22 @param aId The data provider unique object identifier.

    23 @param aDp The ID of the data provider responsible for the object.

    24 */

    25 TMTPTypeObjectHandle::TMTPTypeObjectHandle(TUint32 aId, TUint8 aDp) : 

    26     TMTPTypeUint32(aId)

    27     {

    28     __ASSERT_DEBUG((aId <= KObjectIdMax), User::Invariant());

    29     SetDPHandle(aDp);

    30     }

    31     

    32 /**

    33 Destructor.

    34 */

    35 TMTPTypeObjectHandle::~TMTPTypeObjectHandle()

    36     {

    37     }

    38 

    39 /**

    40 Constructor.

    41 @param aId The data provider unique object identifier.

    42 @param aDp The ID of the data provider responsible for the object.

    43 */

    44 TMTPTypeObjectHandle::TMTPTypeObjectHandle(TMTPTypeUint32 aId, TUint8 aDp) : TMTPTypeUint32(aId)

    45     {

    46     __ASSERT_DEBUG((aId.Value() <= KObjectIdMax), User::Invariant());

    47     SetDPHandle(aDp);

    48     }

    49 

    50 /**

    51 Constructor.

    52 @param aHandle A valid encoded 32-bit MTP object handle.

    53 */

    54 TMTPTypeObjectHandle::TMTPTypeObjectHandle(TMTPTypeUint32 aHandle) : 

    55     TMTPTypeUint32(aHandle)

    56     {   

    57     }

    58     

    59 /**

    60 Provides the ID of the data provider responsible for the object.

    61 @return The ID of the data provider responsible for the object.

    62 */

    63 TUint8 TMTPTypeObjectHandle::DpId() const

    64     {

    65     return (Value() & KDpMask) >> KObjectIdWidth;

    66     }

    67 

    68 /**

    69 Provides the DP's unique object ID for the object.

    70 @return The object's unique DP ID.

    71 */

    72 TUint32 TMTPTypeObjectHandle::DPObjectId() const

    73     {

    74     return Value() & ~KDpMask;

    75     }

    76 

    77 /**

    78 Encodes the given data provider ID into the top eight bits of this data type

    79 

    80 @param aDp The ID of the data provider responsible for the object.

    81 */

    82 void TMTPTypeObjectHandle::SetDPHandle(TUint8 aDp)

    83     {

    84     Set(Value() | (aDp << KObjectIdWidth));

    85     }