1 /*

     2 * Copyright (c) 2008-2008 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:  Resource provider

    15 *

    16 */

    17 

    18 

    19 #include "aknresourceprovider.h"

    20 #include "aknresourceitem.h"

    21 

    22 

    23 // ======== MEMBER FUNCTIONS ========

    24 

    25 // ---------------------------------------------------------------------------

    26 // Two-phased constructor.

    27 // ---------------------------------------------------------------------------

    28 //

    29 CAknResourceProvider* CAknResourceProvider::NewL()

    30     {

    31     CAknResourceProvider* self = new ( ELeave ) CAknResourceProvider;

    32     return self;

    33     }

    34 

    35 

    36 // ---------------------------------------------------------------------------

    37 // Destructor.

    38 // ---------------------------------------------------------------------------

    39 //

    40 CAknResourceProvider::~CAknResourceProvider()

    41     {

    42     iResourceArray.ResetAndDestroy();

    43     }

    44 

    45 

    46 // ----------------------------------------------------------------------------

    47 // Returns a resource item duplicate by the resource item id.

    48 // ----------------------------------------------------------------------------

    49 //

    50 TInt CAknResourceProvider::GetResourceL( TUint aId,

    51                                         MAknResourceItem*& aResource )

    52     {

    53     for ( int i = 0; i < iResourceArray.Count(); i++ )

    54         {

    55         if ( iResourceArray[i]->Id() == aId )

    56             {

    57             aResource = iResourceArray[i]->DuplicateL();

    58             return aId;

    59             }

    60         }

    61     return KErrNotFound;

    62     }

    63 

    64 

    65 // ---------------------------------------------------------------------------

    66 // Handles resource changes, for example layout and skin changes.

    67 // ---------------------------------------------------------------------------

    68 //

    69 void CAknResourceProvider::HandleResourceChange( TInt aType )

    70     {

    71     for ( int i = 0; i < iResourceArray.Count(); i++ )

    72         {

    73         if ( iResourceArray[i]->Invalidate( aType ) )

    74             {

    75             DeleteResourceByIndex( i );

    76             }

    77         }

    78     }

    79 

    80 

    81 // ---------------------------------------------------------------------------

    82 // Adds the given resource item to the resource array. If there

    83 // exists a resource item with the same id in the array, it is first removed.

    84 // ---------------------------------------------------------------------------

    85 //

    86 void CAknResourceProvider::SetResourceL( TUint aId, 

    87                                         const MAknResourceItem* aResource )

    88     {

    89     for ( int i = 0; i < iResourceArray.Count(); i++ )

    90         {

    91         if ( iResourceArray[i]->Id() == aId )

    92             {

    93             DeleteResourceByIndex( i );

    94             }

    95         }

    96     iResourceArray.AppendL( aResource );

    97     }

    98 

    99 

   100 // ---------------------------------------------------------------------------

   101 // C++ default constructor can NOT contain any code that might leave.

   102 // ---------------------------------------------------------------------------

   103 //

   104 CAknResourceProvider::CAknResourceProvider()

   105     {

   106     // No implementation required

   107     }

   108 

   109 

   110 // ---------------------------------------------------------------------------

   111 // Deletes a resource item in the resource array by the specified index.

   112 // ---------------------------------------------------------------------------

   113 //

   114 void CAknResourceProvider::DeleteResourceByIndex( TUint aIndex )

   115     {

   116     if ( aIndex < iResourceArray.Count() )

   117         {

   118         MAknResourceItem* removeItem = iResourceArray[aIndex];

   119         iResourceArray.Remove( aIndex );

   120         delete removeItem;

   121         }

   122     }