--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contentstorage/cahandler/app/src/catasklist.cpp	Fri Apr 16 15:16:09 2010 +0300
@@ -0,0 +1,93 @@
+/*
+ * 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:  ?Description
+ *
+ */
+
+#include<apgwgnam.h>
+
+#include"catasklist.h"
+
+CCaTaskList* CCaTaskList::NewL( RWsSession& aWsSession )
+    {
+    CCaTaskList* self = NewLC( aWsSession );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+CCaTaskList* CCaTaskList::NewLC( RWsSession& aWsSession )
+    {
+    CCaTaskList* self = new(ELeave) CCaTaskList( aWsSession );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+    }
+
+CCaTaskList::CCaTaskList( RWsSession& aWsSession )
+: iWs(aWsSession)
+    {
+    }
+
+void CCaTaskList::ConstructL()
+    {
+    UpdateListL();
+    }
+
+CCaTaskList::~CCaTaskList()
+    {
+    iWgs.Close();
+    }
+
+void CCaTaskList::UpdateListL()
+    {
+    User::LeaveIfError( iWs.WindowGroupList( &iWgs ) );
+    }
+
+
+TApaTask CCaTaskList::FindRootApp( TUid aAppUid ) const
+    {
+    TApaTask task( iWs );
+    task.SetWgId(0);        // initialise task to non-existant task
+    // wgId = 0 tells FindAppByUid to start looking for apps
+    TInt wgId(0);
+    FOREVER
+        {
+        CApaWindowGroupName::FindByAppUid( aAppUid, iWs, wgId );
+        // KErrNotFound means that no more apps can be found
+        if( wgId == KErrNotFound )
+            break;
+        if( IsRootWindowGroup( wgId ) )
+            {
+            // Found a root wg with the right app UID, return it.
+            task.SetWgId( wgId );
+            break;
+            }
+        }
+    return task;
+    }
+
+TBool CCaTaskList::IsRootWindowGroup( TInt aWgId ) const
+    {
+    TInt count = iWgs.Count();
+    for( TInt i=0; i<count; i++ )
+        {
+        const RWsSession::TWindowGroupChainInfo& info = iWgs[i];
+        // find the window group id and check that it has no parent
+        if ( info.iId == aWgId )
+        	{
+            return ( info.iParentId <= 0 );
+        	}
+        }
+    return EFalse;
+    }