idlehomescreen/xmluirendering/renderingplugins/xnbitmapfactory/src/xnbitmapadapter.cpp
changeset 0 f72a12da539e
child 26 1b758917cafc
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     1 /*
       
     2 * Copyright (c) 2002-2006 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:  Xuikon Bitmap Plugin.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 #include "xnnodepluginif.h"
       
    20 #include "xndomproperty.h"
       
    21 #include "xnproperty.h"
       
    22 #include "xncontroladapter.h"
       
    23 
       
    24 #include "xnbitmapadapter.h"
       
    25 
       
    26 _LIT(KSkin, "skin(");
       
    27 
       
    28 // ============================ MEMBER FUNCTIONS ===============================
       
    29 
       
    30 // -----------------------------------------------------------------------------
       
    31 // CXnBitmapAdapter::NewL
       
    32 // Symbian static 1st phase constructor
       
    33 // -----------------------------------------------------------------------------
       
    34 //
       
    35 CXnBitmapAdapter* CXnBitmapAdapter::NewL(CXnNodePluginIf& aNode)
       
    36     {
       
    37 	CXnBitmapAdapter* self = new( ELeave ) CXnBitmapAdapter( aNode );
       
    38 
       
    39     CleanupStack::PushL( self );
       
    40     self->ConstructL( aNode );
       
    41     CleanupStack::Pop();
       
    42 
       
    43     return self;	
       
    44     }
       
    45 
       
    46 // -----------------------------------------------------------------------------
       
    47 // CXnBitmapAdapter::ConstructL
       
    48 // Symbian 2nd phase constructor can leave.
       
    49 // -----------------------------------------------------------------------------
       
    50 //
       
    51 void CXnBitmapAdapter::ConstructL(CXnNodePluginIf& aNode)
       
    52     {
       
    53     CXnControlAdapter::ConstructL( aNode );
       
    54     
       
    55     iAreBitmapsLoaded = EFalse;
       
    56     
       
    57     iFallbackPathChange = ETrue;
       
    58     }
       
    59     
       
    60 // -----------------------------------------------------------------------------
       
    61 // CXnBitmapAdapter::CXnBitmapAdapter
       
    62 // C++ default constructor
       
    63 // -----------------------------------------------------------------------------
       
    64 //
       
    65 CXnBitmapAdapter::CXnBitmapAdapter(CXnNodePluginIf& aNode) : iNode( aNode )    
       
    66     {
       
    67     }
       
    68 
       
    69 // -----------------------------------------------------------------------------
       
    70 // CXnBitmapAdapter::~CXnBitmapAdapter
       
    71 // C++ destructor
       
    72 // -----------------------------------------------------------------------------
       
    73 //
       
    74 CXnBitmapAdapter::~CXnBitmapAdapter()
       
    75     {
       
    76     delete iPath;
       
    77     delete iFallbackPath;
       
    78     }
       
    79 
       
    80 // -----------------------------------------------------------------------------
       
    81 // CXnBitmapAdapter::SetContentBitmaps
       
    82 // -----------------------------------------------------------------------------
       
    83 //
       
    84 void CXnBitmapAdapter::SetContentBitmaps(CFbsBitmap* aBitmap, CFbsBitmap* aMask)
       
    85     {    
       
    86     CXnControlAdapter::SetContentBitmaps( aBitmap, aMask );
       
    87     
       
    88     iAreBitmapsSet = ETrue;
       
    89     
       
    90     TRAP_IGNORE( iNode.SetDirtyL() );
       
    91     }   
       
    92 
       
    93 // -----------------------------------------------------------------------------
       
    94 // CXnBitmapAdapter::ContentBitmaps
       
    95 // -----------------------------------------------------------------------------
       
    96 //
       
    97 void CXnBitmapAdapter::ContentBitmaps(CFbsBitmap*& aBitmap, CFbsBitmap*& aMask)
       
    98     {    
       
    99     CXnControlAdapter::ContentBitmaps( aBitmap, aMask );
       
   100     }
       
   101 
       
   102 // -----------------------------------------------------------------------------
       
   103 // CXnBitmapAdapter::Draw
       
   104 // -----------------------------------------------------------------------------
       
   105 //
       
   106 void CXnBitmapAdapter::Draw(const TRect& aRect) const
       
   107     {        
       
   108     CXnControlAdapter::Draw( aRect );    
       
   109     }
       
   110 
       
   111 // -----------------------------------------------------------------------------
       
   112 // CXnBitmapAdapter::SizeChanged
       
   113 // -----------------------------------------------------------------------------
       
   114 //
       
   115 void CXnBitmapAdapter::SizeChanged()
       
   116     {
       
   117     CXnControlAdapter::SizeChanged();
       
   118     
       
   119     if ( !iAreBitmapsSet )
       
   120         {
       
   121         TSize size( Rect().Size() );
       
   122         
       
   123         if( size != iBitmapSize )
       
   124             {            
       
   125             iBitmapSize = size;
       
   126             
       
   127             iAreBitmapsLoaded = EFalse;
       
   128             
       
   129             TRAP_IGNORE( InitializeBitmapsL() );
       
   130             }
       
   131         }
       
   132     }
       
   133 
       
   134 // -----------------------------------------------------------------------------
       
   135 // CXnBitmapAdapter::HandlePropertyChangeL
       
   136 // -----------------------------------------------------------------------------
       
   137 //
       
   138 void CXnBitmapAdapter::DoHandlePropertyChangeL( CXnProperty* aProperty )
       
   139     {
       
   140     TBool reConstruct( ETrue );
       
   141 
       
   142     if( aProperty )
       
   143         {
       
   144         const TDesC8& name( aProperty->Property()->Name( ) );
       
   145         
       
   146         //If display changed no need to reconstruct
       
   147         if( name == XnPropertyNames::style::common::KDisplay( ) )
       
   148             {
       
   149             reConstruct = EFalse;
       
   150             }        
       
   151         // Visibility changed, no need to do anything.
       
   152         else if( name == XnPropertyNames::style::common::KVisibility( ) )
       
   153             {
       
   154             return;
       
   155             }
       
   156         else if( name == XnPropertyNames::appearance::common::KFallBackImage )
       
   157             {
       
   158             HBufC* fallbackPath( aProperty->StringValueL( ) );
       
   159             
       
   160             if( fallbackPath )
       
   161                 {
       
   162                 CleanupStack::PushL( fallbackPath );
       
   163                 
       
   164                 if( iFallbackPath )
       
   165                     {
       
   166                     if( ( *fallbackPath ).Compare( *iFallbackPath ) )
       
   167                         {
       
   168                         delete iFallbackPath;
       
   169                         iFallbackPath = NULL;
       
   170                         iFallbackPath = fallbackPath->AllocL( );
       
   171                         iFallbackPathChange = ETrue;
       
   172                         }
       
   173                     }
       
   174                 else
       
   175                     {
       
   176                     iFallbackPath = fallbackPath->AllocL( );
       
   177                     iFallbackPathChange = ETrue;
       
   178                     }
       
   179                     
       
   180                 CleanupStack::PopAndDestroy( fallbackPath );
       
   181                 }
       
   182             }
       
   183         }
       
   184 
       
   185     //If data API has been used don't load new bitmaps.
       
   186     if( !iAreBitmapsSet && reConstruct )
       
   187         {
       
   188         InitializeBitmapsL();
       
   189         }
       
   190     }
       
   191 
       
   192 // -----------------------------------------------------------------------------
       
   193 // CXnTextAdapter::HandleResourceChange
       
   194 // -----------------------------------------------------------------------------
       
   195 //
       
   196 void CXnBitmapAdapter::HandleScreenDeviceChangedL( )
       
   197     {
       
   198     CXnControlAdapter::HandleScreenDeviceChangedL();        
       
   199     }
       
   200 
       
   201 // -----------------------------------------------------------------------------
       
   202 // CXnBitmapAdapter::HandlePointerEventL
       
   203 // (other items were commented in a header).
       
   204 // -----------------------------------------------------------------------------
       
   205 // 
       
   206 void CXnBitmapAdapter::HandlePointerEventL( const TPointerEvent& aPointerEvent )
       
   207     {        
       
   208     CXnControlAdapter::HandlePointerEventL( aPointerEvent );    
       
   209     }
       
   210 
       
   211 // -----------------------------------------------------------------------------
       
   212 // CXnBitmapAdapter::SkinChanged
       
   213 // -----------------------------------------------------------------------------
       
   214 //
       
   215 void CXnBitmapAdapter::SkinChanged()
       
   216     {
       
   217     CXnControlAdapter::SkinChanged();
       
   218     
       
   219     if( iPath )
       
   220         {
       
   221         TInt pos( iPath->FindF( KSkin ) );
       
   222         
       
   223         if( pos != KErrNotFound )
       
   224             {
       
   225             iBitmapSize = Rect().Size();
       
   226             
       
   227             iAreBitmapsLoaded = EFalse;
       
   228             
       
   229             TRAP_IGNORE( InitializeBitmapsL() );
       
   230             }
       
   231         }
       
   232     }
       
   233 
       
   234 // -----------------------------------------------------------------------------
       
   235 // CXnBitmapAdapter::InitializeBitmapsL
       
   236 // -----------------------------------------------------------------------------
       
   237 //
       
   238 void CXnBitmapAdapter::InitializeBitmapsL( )
       
   239     {
       
   240     TBool pathChanged( EFalse );
       
   241     
       
   242     CXnProperty* pathProperty( iNode.PathL( ) );
       
   243     CXnProperty* maskPathProperty( iNode.MaskPathL( ) );
       
   244 
       
   245     if ( !pathProperty )
       
   246         {
       
   247         return;
       
   248         }
       
   249         
       
   250     HBufC* path( pathProperty->StringValueL( ) );
       
   251     
       
   252     if( !path )
       
   253         {
       
   254         return;
       
   255         }
       
   256         
       
   257     CleanupStack::PushL( path );
       
   258     
       
   259     HBufC* maskPath( NULL );
       
   260     
       
   261     if( maskPathProperty )
       
   262         {
       
   263         maskPath = maskPathProperty->StringValueL( );
       
   264         }
       
   265         
       
   266     CleanupStack::PushL( maskPath );
       
   267 
       
   268     if( !iPath )
       
   269         {
       
   270         iPath = path->AllocL( );
       
   271         }
       
   272 
       
   273     if( path->Des( ) != iPath->Des( ) )
       
   274         {
       
   275         pathChanged = ETrue;
       
   276         }
       
   277 
       
   278     if( !iAreBitmapsLoaded || pathChanged || iFallbackPathChange )
       
   279         {
       
   280         delete iPath;
       
   281         iPath = NULL;
       
   282         iPath = path->AllocL( );
       
   283       
       
   284         CXnControlAdapter::SetContentBitmaps( *path, ( maskPath )
       
   285                                                 ? maskPath->Des( ) : KNullDesC() );
       
   286         
       
   287         iAreBitmapsLoaded = ETrue;
       
   288         iFallbackPathChange = EFalse;
       
   289         
       
   290         iNode.SetDirtyL();
       
   291         }
       
   292             
       
   293     CleanupStack::PopAndDestroy( 2, path );
       
   294     }
       
   295     
       
   296 // End of File
       
   297