menucontentsrv/src/menuitemattr.cpp
changeset 0 79c6a41cd166
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-1:000000000000 0:79c6a41cd166
       
     1 /*
       
     2 * Copyright (c) 2009 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:
       
    15 *
       
    16 */
       
    17 
       
    18 // INCLUDE FILES
       
    19 
       
    20 #include <s32strm.h>
       
    21 #include "menuitemattr.h"
       
    22 
       
    23 // ================= LOCAL FUNCTIONS =======================
       
    24 
       
    25 /**
       
    26 * Cleanup support method. Call ResetAndDestroy() on the array.
       
    27 * @param RMenuItemArray* as TAny*
       
    28 */
       
    29 LOCAL_C void ResetAndDestroy( TAny* aArray )
       
    30     {
       
    31     ((RMenuItemAttrArray*)aArray)->ResetAndDestroy();
       
    32     }
       
    33 
       
    34 // ================= MEMBER FUNCTIONS =======================
       
    35 
       
    36 // ---------------------------------------------------------
       
    37 // CMenuItemAttr::~CMenuItemAttr
       
    38 // ---------------------------------------------------------
       
    39 //
       
    40 CMenuItemAttr::~CMenuItemAttr()
       
    41     {
       
    42     iName.Close();
       
    43     delete iValue;
       
    44     }
       
    45 
       
    46 // ---------------------------------------------------------
       
    47 // CMenuItemAttr::NewL
       
    48 // ---------------------------------------------------------
       
    49 //
       
    50 CMenuItemAttr* CMenuItemAttr::NewL( const TDesC& aName )
       
    51     {
       
    52     CMenuItemAttr* attr = NewLC( aName );
       
    53     CleanupStack::Pop( attr );
       
    54     return attr;
       
    55     }
       
    56 
       
    57 // ---------------------------------------------------------
       
    58 // CMenuItemAttr::NewLC
       
    59 // ---------------------------------------------------------
       
    60 //
       
    61 CMenuItemAttr* CMenuItemAttr::NewLC( const TDesC& aName )
       
    62     {
       
    63     CMenuItemAttr* attr = new (ELeave) CMenuItemAttr();
       
    64     CleanupStack::PushL( attr );
       
    65     attr->ConstructL( aName );
       
    66     return attr;
       
    67     }
       
    68 
       
    69 // ---------------------------------------------------------
       
    70 // CMenuItemAttr::NewLC
       
    71 // ---------------------------------------------------------
       
    72 //
       
    73 CMenuItemAttr* CMenuItemAttr::NewLC( RReadStream& aStream )
       
    74     {
       
    75     CMenuItemAttr* attr = new (ELeave) CMenuItemAttr();
       
    76     CleanupStack::PushL( attr );
       
    77     attr->InternalizeL( aStream );
       
    78     return attr;
       
    79     }
       
    80 
       
    81 // ---------------------------------------------------------
       
    82 // CMenuItemAttr::ConstructL
       
    83 // ---------------------------------------------------------
       
    84 //
       
    85 void CMenuItemAttr::ConstructL( const TDesC& aName )
       
    86     {
       
    87     iName.CreateL( aName );
       
    88     }
       
    89 
       
    90 // ---------------------------------------------------------
       
    91 // CMenuItemAttr::SetValue
       
    92 // ---------------------------------------------------------
       
    93 //
       
    94 void CMenuItemAttr::SetValue( HBufC* aValue )
       
    95     {
       
    96     if ( iValue )
       
    97         {
       
    98         if ( aValue && *iValue == *aValue )
       
    99             {
       
   100             // String to same string: no change.
       
   101             delete aValue;
       
   102             }
       
   103         else
       
   104             {
       
   105             // String to other string or NULL: change.
       
   106             iChanged = ETrue;
       
   107             delete iValue;
       
   108             iValue = aValue;
       
   109             }
       
   110         }
       
   111     else
       
   112         {
       
   113         if ( aValue )
       
   114             {
       
   115             // NULL to string: change.
       
   116             iChanged = ETrue;
       
   117             iValue = aValue;
       
   118             }
       
   119         else
       
   120             {
       
   121             // NULL to NULL: no change.
       
   122             }
       
   123         }
       
   124     }
       
   125 
       
   126 // ---------------------------------------------------------
       
   127 // CMenuItemAttr::ExternalizeL
       
   128 // ---------------------------------------------------------
       
   129 //
       
   130 void CMenuItemAttr::ExternalizeL( RWriteStream& aStream ) const
       
   131     {
       
   132     aStream.WriteInt32L( iName.Length() );
       
   133     aStream.WriteL( iName );
       
   134     if ( iValue )
       
   135         {
       
   136         aStream.WriteInt32L( iValue->Length() );
       
   137         aStream.WriteL( *iValue );
       
   138         }
       
   139     else
       
   140         {
       
   141         aStream.WriteInt32L( KErrNotFound );
       
   142         }
       
   143     }
       
   144 
       
   145 // ---------------------------------------------------------
       
   146 // CMenuItemAttr::InternalizeL
       
   147 // ---------------------------------------------------------
       
   148 //
       
   149 void CMenuItemAttr::InternalizeL( RReadStream& aStream )
       
   150     {
       
   151     iName.Close();
       
   152     delete iValue; iValue = NULL;
       
   153     TInt len;
       
   154     len = aStream.ReadInt32L();
       
   155     iName.CreateL( len );
       
   156     aStream.ReadL( iName, len );
       
   157     len = aStream.ReadInt32L();
       
   158     if ( len >= 0 )
       
   159         {
       
   160         iValue = HBufC::NewL( len );
       
   161         TPtr ptr( iValue->Des() );
       
   162         aStream.ReadL( ptr, len );
       
   163         }
       
   164     }
       
   165 
       
   166 // ---------------------------------------------------------
       
   167 // RMenuItemAttrArray::Find
       
   168 // ---------------------------------------------------------
       
   169 //
       
   170 TInt RMenuItemAttrArray::Find( const TDesC& aName ) const
       
   171     {
       
   172     for ( TInt i = 0; i < Count(); i++ )
       
   173         {
       
   174         if ( !aName.Compare( operator[]( i )->Name() ) )
       
   175             {
       
   176             return i;
       
   177             }
       
   178         }
       
   179     return KErrNotFound;
       
   180     }
       
   181 
       
   182 // ---------------------------------------------------------
       
   183 // RMenuItemAttrArray::CountChanged
       
   184 // ---------------------------------------------------------
       
   185 //
       
   186 TInt RMenuItemAttrArray::CountChanged() const
       
   187     {
       
   188     TInt count = 0;
       
   189     for ( TInt i = 0; i < Count(); i++ )
       
   190         {
       
   191         if ( operator[]( i )->Changed() )
       
   192             {
       
   193             count++;
       
   194             }
       
   195         }
       
   196     return count;
       
   197     }
       
   198 
       
   199 // ---------------------------------------------------------
       
   200 // RMenuItemAttrArray::ClearChanged
       
   201 // ---------------------------------------------------------
       
   202 //
       
   203 void RMenuItemAttrArray::ClearChanged()
       
   204     {
       
   205     for ( TInt i = 0; i < Count(); i++ )
       
   206         {
       
   207         operator[]( i )->SetChanged( EFalse );
       
   208         }
       
   209     }
       
   210 
       
   211 // ---------------------------------------------------------
       
   212 // RMenuItemAttrArray::ExternalizeChangesL
       
   213 // ---------------------------------------------------------
       
   214 //
       
   215 void RMenuItemAttrArray::ExternalizeChangesL( RWriteStream& aStream ) const
       
   216     {
       
   217     aStream.WriteInt32L( CountChanged() );
       
   218     for ( TInt i = 0; i < Count(); i++ )
       
   219         {
       
   220         const CMenuItemAttr* attr = operator[]( i );
       
   221         if ( attr->Changed() )
       
   222             {
       
   223             attr->ExternalizeL( aStream );
       
   224             }
       
   225         }
       
   226     }
       
   227 
       
   228 // ---------------------------------------------------------
       
   229 // RMenuItemAttrArray::ExternalizeL
       
   230 // ---------------------------------------------------------
       
   231 //
       
   232 void RMenuItemAttrArray::ExternalizeL( RWriteStream& aStream ) const
       
   233     {
       
   234     aStream.WriteInt32L( Count() );
       
   235     for ( TInt i = 0; i < Count(); i++ )
       
   236         {
       
   237         operator[]( i )->ExternalizeL( aStream );
       
   238         }
       
   239     }
       
   240 
       
   241 // ---------------------------------------------------------
       
   242 // RMenuItemAttrArray::InternalizeL
       
   243 // ---------------------------------------------------------
       
   244 //
       
   245 void RMenuItemAttrArray::InternalizeL( RReadStream& aStream )
       
   246     {
       
   247     TInt count = aStream.ReadInt32L();
       
   248     for ( TInt i = 0; i < count; i++ )
       
   249         {
       
   250         CMenuItemAttr* attr = CMenuItemAttr::NewLC( aStream );
       
   251         AppendL( attr );
       
   252         CleanupStack::Pop( attr );
       
   253         }
       
   254     }
       
   255 
       
   256 // ---------------------------------------------------------
       
   257 // CleanupResetAndDestroyPushL
       
   258 // ---------------------------------------------------------
       
   259 //
       
   260 void CleanupResetAndDestroyPushL( RMenuItemAttrArray& aArray )
       
   261     {
       
   262     CleanupStack::PushL( TCleanupItem( ResetAndDestroy, &aArray ) );
       
   263     }
       
   264 
       
   265 //  End of File