--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/bindings/js/JSNodeFilterCondition.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,60 @@
+/*
+ *  Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ *  Copyright (C) 2007 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "config.h"
+#include "JSNodeFilterCondition.h"
+
+#include "Document.h"
+#include "Frame.h"
+#include "JSNode.h"
+#include "JSNodeFilter.h"
+#include "NodeFilter.h"
+#include "kjs_proxy.h"
+
+namespace WebCore {
+
+JSNodeFilterCondition::JSNodeFilterCondition(KJS::JSObject* filter)
+    : m_filter(filter)
+{
+}
+
+void JSNodeFilterCondition::mark()
+{
+    m_filter->mark();
+}
+
+short JSNodeFilterCondition::acceptNode(Node* filterNode) const
+{
+    Node* node = filterNode;
+    Frame* frame = node->document()->frame();
+    KJSProxy* proxy = frame->scriptProxy();
+    if (proxy && m_filter->implementsCall()) {
+        KJS::JSLock lock;
+        KJS::ExecState* exec = proxy->interpreter()->globalExec();
+        KJS::List args;
+        args.append(toJS(exec, node));
+        KJS::JSObject* obj = m_filter;
+        KJS::JSValue* result = obj->call(exec, obj, args);
+        return result->toInt32(exec);
+    }
+
+    return NodeFilter::FILTER_REJECT;
+}
+
+} // namespace WebCore