1 /*

     2 * Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Reportroot implementation

    15 *

    16 */

    17 

    18 

    19 #include <e32debug.h>

    20 

    21 #include "hidreportroot.h"

    22 #include "debug.h"

    23 

    24 const TInt KSevenBits  = 7;

    25 

    26 // ======== MEMBER FUNCTIONS ========

    27 

    28 // -----------------------------------------------------------------------------

    29 // NewLC()

    30 // -----------------------------------------------------------------------------

    31 //

    32 CReportRoot* CReportRoot::NewLC()

    33     {

    34     CReportRoot* self = new (ELeave) CReportRoot();

    35     CleanupStack::PushL(self);

    36     self->ConstructL();

    37     return self;

    38     }

    39 // -----------------------------------------------------------------------------

    40 // NewL()

    41 // -----------------------------------------------------------------------------

    42 //

    43 CReportRoot* CReportRoot::NewL()

    44     {

    45     CReportRoot* self = NewLC();

    46     CleanupStack::Pop(self);

    47     return self;

    48     }

    49 // -----------------------------------------------------------------------------

    50 // ~CReportRoot()

    51 // -----------------------------------------------------------------------------

    52 //

    53 CReportRoot::~CReportRoot()

    54     {

    55     iSizes.Reset();

    56     iSizes.Close();

    57     }

    58 // -----------------------------------------------------------------------------

    59 // CReportRoot()

    60 // -----------------------------------------------------------------------------

    61 //

    62 CReportRoot::CReportRoot()

    63     {

    64     // Nothing to do here

    65     }

    66 

    67 

    68 

    69 // -----------------------------------------------------------------------------

    70 // IncrementReportSizeL()

    71 // Manage the report ID <-> size "map":

    72 // -----------------------------------------------------------------------------

    73 //

    74 void CReportRoot::IncrementReportSizeL(TInt aReportId,

    75     CField::TType aType, TInt aIncrement)

    76     {

    77     TInt index = FindReportSizeIndex(aReportId, aType);

    78 

    79     if ( index == KErrNotFound )

    80         {

    81         // Add a new entry for this report ID to the "map":

    82         User::LeaveIfError(iSizes.Append(TReportSize(aReportId, aType)));

    83         index = iSizes.Count() - 1;

    84 

    85         TRACE_INFO((_L("Adding size record for report %d:%d (%d)\n"),

    86                   aReportId, aType, iSizes[index].iSize));

    87         }

    88     TRACE_INFO((_L("Size for report %d:%d changes %d + %d\n"),

    89               aReportId, aType, iSizes[index].iSize, aIncrement));

    90     iSizes[index].iSize += aIncrement;

    91     }

    92 

    93 // -----------------------------------------------------------------------------

    94 // NumberOfReports()

    95 // -----------------------------------------------------------------------------

    96 //

    97 TInt CReportRoot::NumberOfReports() const

    98     {

    99     return iSizes.Count();

   100     }

   101 // -----------------------------------------------------------------------------

   102 // ReportSize()

   103 // -----------------------------------------------------------------------------

   104 //

   105 TInt CReportRoot::ReportSize(TInt aIndex) const

   106     {

   107     TInt size = 0;

   108 

   109     if (aIndex < iSizes.Count())

   110         {

   111         size = iSizes[aIndex].iSize;

   112         }

   113 

   114     return size;

   115     }

   116 // -----------------------------------------------------------------------------

   117 // ReportSize()

   118 // -----------------------------------------------------------------------------

   119 //

   120 TInt CReportRoot::ReportSize(TInt aReportId, CField::TType aType) const

   121     {

   122     TInt offset = 0;

   123 

   124     TInt index = FindReportSizeIndex(aReportId, aType);

   125     if (index != KErrNotFound && index < iSizes.Count() )

   126         {

   127         offset = iSizes[index].iSize;

   128         }

   129     return offset;

   130     }

   131 

   132 // -----------------------------------------------------------------------------

   133 // ReportSizeBytes()

   134 // -----------------------------------------------------------------------------

   135 //

   136 EXPORT_C TInt CReportRoot::ReportSizeBytes(TInt aReportId,

   137     CField::TType aType) const

   138     {

   139     TInt reportBytes = (ReportSize(aReportId, aType) + KSevenBits) / KSizeOfByte;

   140 

   141     // Add an extra byte if the report ID is used

   142     return ( aReportId ) ? reportBytes + 1 : reportBytes;

   143     }

   144 

   145 // -----------------------------------------------------------------------------

   146 // FindReportSizeIndex()

   147 // -----------------------------------------------------------------------------

   148 //

   149 TInt CReportRoot::FindReportSizeIndex(TInt aReportId, CField::TType aType) const

   150     {

   151     TIdentityRelation<TReportSize> matcher(TReportSize::Match);

   152     TInt index = iSizes.Find(TReportSize(aReportId, aType), matcher);

   153 

   154     TRACE_INFO((_L("FindReportSizeIndex(%d, %d) = %d\n"),

   155               aReportId, aType, index));

   156     return index;

   157     }