--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/eswt_akn/org.eclipse.ercp.swt.s60/native/src/swtinstancecounts.cpp	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,75 @@
+/*******************************************************************************
+ * Copyright (c) 2005, 2010 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Nokia Corporation - S60 implementation
+ *******************************************************************************/
+
+
+#if defined(__WINS__) && defined(_DEBUG)
+
+
+#include "swtinstancecounts.h"
+#include "swtdisplay.h" // needed for macro definitions
+
+
+// ======== LOCAL FUNCTIONS ========
+
+
+static void CheckLeak(TInt& aCount, TInt aCorrectCount=0)
+{
+    // The reason for stopping here is that eSWT Display is being disposed
+    // but not all the eSWT resources have been appropriately freed by
+    // calling dispose(). This creates a memory leak. Step up the call stack
+    // into CheckForLeaks() and you will see which type of object was leaked.
+    // Likely reasons for this error are:
+    // - The Java application not disposing its eSWT resources appropriately
+    //   (e.g. Images, Fonts, GCs, Colors)
+    // - eSWT widget not appropriately disposing another eSWT object it owns
+    //   when being disposed itself
+#ifdef ESWT_NATIVE_UITHREAD_OWN_HEAP
+    ASSERT(aCount == aCorrectCount);
+#endif // ESWT_NATIVE_UITHREAD_OWN_HEAP
+
+    if (aCount != aCorrectCount)
+    {
+        aCount = aCorrectCount;
+    }
+}
+
+
+// ======== MEMBER FUNCTIONS ========
+
+
+void TSwtInstanceCounts::CheckForLeaks()
+{
+    CheckLeak(iColor);
+    CheckLeak(iFont);
+    CheckLeak(iGc);
+    CheckLeak(iImage);
+    CheckLeak(iScrollBar);
+    CheckLeak(iMenu);
+    CheckLeak(iMenuItem);
+    CheckLeak(iCommand);
+    CheckLeak(iClipboard);
+    CheckLeak(iTableColumn);
+    CheckLeak(iTableItem);
+    CheckLeak(iTreeItem);
+
+    // Controls deserve a special treatment as we don't know precisely which has been disposed
+    const TInt ctrlSum = iButton         + iCanvas            + iCaptionedControl  + iCombo
+                         + iComposite      + iConstrainedText   + iDateEditor        + iDecorations
+                         + iHyperLink      + iLabel             + iList              + iListBox
+                         + iListView       + iMultiPagePager    + iMultiPageTabGroup + iMultiPageDialog
+                         + iProgressBar    + iShell             + iSlider            + iSortedList
+                         + iText           + iTextExtension     + iTable             + iTree
+                         + iBrowser        + iMobileShell       + iDCControl;
+    CheckLeak(iDisposedControls, ctrlSum);
+}
+
+
+#endif // defined(__WINS__) && defined(_DEBUG)