uigraphics/AknIcon/srvsrc/AknIconFileNameCache.cpp
changeset 0 05e9090e2422
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uigraphics/AknIcon/srvsrc/AknIconFileNameCache.cpp	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,91 @@
+/*
+* Copyright (c) 2002 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:   
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "AknIconFileNameCache.h"
+#include "AknIconFileNameItem.h"
+
+// CONSTANTS
+
+// ================= MEMBER FUNCTIONS ==========================================
+
+CAknIconFileNameCache::CAknIconFileNameCache()
+    {
+    }
+
+CAknIconFileNameCache::~CAknIconFileNameCache()
+    {
+    iFileNameItems.ResetAndDestroy();
+    }
+
+CAknIconFileNameCache* CAknIconFileNameCache::NewL()
+    {
+    return new( ELeave ) CAknIconFileNameCache;
+    }
+    
+// -----------------------------------------------------------------------------
+// CAknIconFileNameCache::CacheIconFileNameL
+// -----------------------------------------------------------------------------
+//
+HBufC* CAknIconFileNameCache::CacheIconFileNameL( const TDesC& aFileName )
+    {
+    HBufC* retFileName = GetIconFileName(aFileName);
+    if (!retFileName)
+        {
+        retFileName = StoreIconFileNameL(aFileName);
+        } 
+    return retFileName;
+    }
+
+    
+// -----------------------------------------------------------------------------
+// CAknIconFileNameCache::GetIconFileName
+// -----------------------------------------------------------------------------
+//
+HBufC* CAknIconFileNameCache::GetIconFileName( const TDesC& aFileName ) const
+    {
+    HBufC* retFileName = NULL;
+    // Compare item. Can be instantiated in stack with this constructor.
+    CAknIconFileNameItem compareItem( aFileName );
+
+    TInt index = iFileNameItems.FindInOrder( 
+        &compareItem, CAknIconFileNameItem::LinearOrder );
+
+    if ( index >= 0 )
+        {
+        retFileName = iFileNameItems[index]->iFileName;
+        }        
+    return retFileName;
+    }
+       
+// -----------------------------------------------------------------------------
+// CAknIconFileNameCache::StoreIconFileNameL
+// -----------------------------------------------------------------------------
+//
+HBufC* CAknIconFileNameCache::StoreIconFileNameL( const TDesC& aFileName )
+    {
+    CAknIconFileNameItem* fileNameItem = CAknIconFileNameItem::NewL(aFileName);
+    CleanupStack::PushL( fileNameItem );    
+    User::LeaveIfError( iFileNameItems.InsertInOrder(
+        fileNameItem, CAknIconFileNameItem::LinearOrder ) );
+    CleanupStack::Pop(fileNameItem);   
+    return fileNameItem->iFileName;
+    }    
+
+//  End of File