--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/widgetregistry/Server/src/UidAllocator.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,64 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  Class which allocates random UIDs from a given range
+*
+*/
+
+#include <e32std.h>
+#include "UidAllocator.h"
+
+// MEMBER FUNCTION DEFINITIONS
+
+// ============================================================================
+// TUidAllocator::AllocateL()
+// Allocate a UID or leave with KErrNotFound
+//
+// @since 3.1
+// ============================================================================
+//
+TInt TUidAllocator::AllocateL( const RUidArray& aUsedUids, TInt aDriveLetter )
+    {
+    if ( 'C' == aDriveLetter )
+        {
+        aDriveLetter = 'c';
+        }
+
+    TInt uidStart = ( ('c' == aDriveLetter) ?
+                      KWidgetUidInternalMemoryStart :
+                      KWidgetUidExternalMemoryStart );
+    TInt uidStop = ( ('c' == aDriveLetter) ?
+                     KWidgetUidExternalMemoryStart :
+                     KWidgetUidExternalMemoryStop + 1);
+
+    TInt uid = uidStart;
+    for ( ; uid < uidStop; ++uid )
+        {
+        if ( KErrNotFound == aUsedUids.Find( TUid::Uid( uid ) ) )
+            {
+            break;
+            }
+        }
+    if ( uid == uidStop )
+        {
+        User::Leave( KErrNotFound );
+        }
+    return uid;
+    }
+
+TBool TUidAllocator::IsWidget( TUid aUid )
+    {
+    return ( ( aUid.iUid >= KWidgetUidLowerBound
+               && aUid.iUid <= KWidgetUidUpperBound )?
+             ETrue : EFalse );
+    }