--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluirendering/renderingplugins/xnbitmapfactory/src/xnimagedecoder.cpp	Wed Jun 09 09:29:04 2010 +0300
@@ -0,0 +1,206 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Image decoder
+*
+*/
+
+// System includes
+#include <imageconversion.h>
+
+// User includes
+#include "xncomponent.h"
+#include "xnnodepluginif.h"
+#include "xnuienginepluginif.h"
+#include "xnbitmapadapter.h"
+#include "xnimagedecoder.h"
+
+using namespace ContentAccess;
+
+// Constants
+    
+// ============================ LOCAL FUNCTIONS ================================
+// ============================ MEMBER FUNCTIONS ===============================
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::NewL()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CXnImageDecoder* CXnImageDecoder::NewL( CXnBitmapAdapter& aAdapter, RFs& aFs ) 
+    {
+    CXnImageDecoder* self = CXnImageDecoder::NewLC( aAdapter, aFs );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::NewLC()
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CXnImageDecoder* CXnImageDecoder::NewLC( CXnBitmapAdapter& aAdapter, RFs& aFs )
+    {
+    CXnImageDecoder* self = new ( ELeave ) CXnImageDecoder( aAdapter, aFs );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::~CXnImageDecoder()
+// C++ default destructor.
+// -----------------------------------------------------------------------------
+//
+CXnImageDecoder::~CXnImageDecoder()
+    {    
+    Cancel();
+    
+    Cleanup();
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::CXnImageDecoder()
+// C++ default constructor.
+// -----------------------------------------------------------------------------
+//
+CXnImageDecoder::CXnImageDecoder( CXnBitmapAdapter& aAdapter, RFs& aFs )
+    : CActive( CActive::EPriorityHigh ), iAdapter( aAdapter ), iFs( aFs )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::ConstructL()
+// 2nd phase constructor.
+// -----------------------------------------------------------------------------
+//
+void CXnImageDecoder::ConstructL()
+    {                     
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::RunL()
+// 
+// -----------------------------------------------------------------------------
+//
+void CXnImageDecoder::RunL()
+    {   
+    // Takes ownership of iBitmap and iMask
+    iAdapter.SetContentBitmaps( iBitmap, iMask );
+    
+    iBitmap = NULL;
+    iMask = NULL;
+    
+    delete iDecoder;
+    iDecoder = NULL;
+    
+    iAdapter.Component()->Node()->UiEngineL()->RenderUIL();
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::RunError()
+// 
+// -----------------------------------------------------------------------------
+//
+TInt CXnImageDecoder::RunError( TInt /*aError*/ )
+    {
+    Cleanup();
+    
+    // Set NULL bitmaps
+    TRAP_IGNORE( RunL() );
+    
+    // Ignore
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::DoCancel()
+// 
+// -----------------------------------------------------------------------------
+//
+void CXnImageDecoder::DoCancel()
+    {
+    Cleanup();
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::DecodeL()
+// 
+// -----------------------------------------------------------------------------
+//
+void CXnImageDecoder::DecodeL( TFileName& aFilename )
+    {     
+    Cancel();
+    
+    TInt options( 
+        CImageDecoder::EOptionAlwaysThread | 
+        CImageDecoder::EPreferFastDecode );
+         
+    iDecoder = CImageDecoder::FileNewL( iFs, aFilename, EView, 
+        ( CImageDecoder::TOptions ) options ); 
+    
+    TFrameInfo frameInfo( iDecoder->FrameInfo( 0 ) );
+    
+    CFbsBitmap* bitmap = new ( ELeave ) CFbsBitmap;
+    CleanupStack::PushL( bitmap );
+    
+    User::LeaveIfError( bitmap->Create( 
+        frameInfo.iOverallSizeInPixels, frameInfo.iFrameDisplayMode ) );
+                             
+    if ( frameInfo.iFlags & TFrameInfo::ETransparencyPossible )
+        {
+        CFbsBitmap* mask = new ( ELeave ) CFbsBitmap;
+        CleanupStack::PushL( mask );
+        
+        User::LeaveIfError( mask->Create( frameInfo.iOverallSizeInPixels,                
+            ( frameInfo.iFlags & TFrameInfo::EAlphaChannel ) ? EGray256 : EGray2 ) );
+        
+        iDecoder->Convert( &iStatus, *bitmap, *mask );
+        
+        CleanupStack::Pop( mask );
+        iMask = mask;
+        }
+    else
+        {
+        iDecoder->Convert( &iStatus, *bitmap );               
+        }
+    
+    CleanupStack::Pop( bitmap );
+    iBitmap = bitmap;
+        
+    SetActive();    
+    }
+
+// -----------------------------------------------------------------------------
+// CXnImageDecoder::Cleanup()
+// 
+// -----------------------------------------------------------------------------
+//
+void CXnImageDecoder::Cleanup()
+    {
+    if ( iDecoder )
+        {
+        iDecoder->Cancel();        
+        }
+    
+    delete iDecoder;
+    iDecoder = NULL;
+    
+    delete iBitmap;
+    iBitmap = NULL;
+    
+    delete iMask;
+    iMask = NULL;      
+    }
+
+// End of file