2009-03-26 Darin Adler <darin@apple.com>

[WebKit-https.git] / WebCore / dom / EventListener.h

diff --git a/WebCore/dom/EventListener.h b/WebCore/dom/EventListener.h
index 24fce86..b7daa6d 100644 (file)
--- a/WebCore/dom/EventListener.h
+++ b/WebCore/dom/EventListener.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ -23,6 +23,10 @@
 
 #include <wtf/RefCounted.h>
 
+namespace JSC {
+    class JSObject;
+}
+
 namespace WebCore {
 
     class Event;
@@ -31,10 +35,21 @@ namespace WebCore {
     public:
         virtual ~EventListener() { }
         virtual void handleEvent(Event*, bool isWindowEvent = false) = 0;
-        virtual bool isInline() const { return false; }
         virtual bool wasCreatedFromMarkup() const { return false; }
+
+#if USE(JSC)
+        virtual JSC::JSObject* function() const { return 0; }
+        virtual void mark() { }
+#endif
+
+        bool isInline() const { return virtualIsInline(); }
+
+    private:
+        virtual bool virtualIsInline() const { return false; }
     };
 
+    inline void markIfNotNull(EventListener* listener) { if (listener) listener->mark(); }
+
 }
 
 #endif