1 files changed, 28 insertions, 7 deletions

diff --git a/src/3rdparty/webkit/WebCore/svg/animation/SVGSMILElement.cpp b/src/3rdparty/webkit/WebCore/svg/animation/SVGSMILElement.cpp
index 63a0d82..982afd5 100644
--- a/src/3rdparty/webkit/WebCore/svg/animation/SVGSMILElement.cpp
+++ b/src/3rdparty/webkit/WebCore/svg/animation/SVGSMILElement.cpp
@@ -61,6 +61,15 @@ public:
         return adoptRef(new ConditionEventListener(animation, eventBase, condition));
     }
 
+    static const ConditionEventListener* cast(const EventListener* listener)
+    {
+        return listener->type() == ConditionEventListenerType
+            ? static_cast<const ConditionEventListener*>(listener)
+            : 0;
+    }
+
+    virtual bool operator==(const EventListener& other);
+
     void unregister()
     {
         // If this has only one ref then the event base is dead already and we don't need to remove ourself.
@@ -68,25 +77,37 @@ public:
             m_eventBase->removeEventListener(m_condition->m_name, this, false);
     }
 
-    virtual void handleEvent(Event* event, bool) 
-    {
-        m_animation->handleConditionEvent(event, m_condition);
-    }
-
 private:
     ConditionEventListener(SVGSMILElement* animation, Element* eventBase, SVGSMILElement::Condition* condition) 
-        : m_animation(animation)
+        : EventListener(ConditionEventListenerType)
+        , m_animation(animation)
         , m_condition(condition) 
         , m_eventBase(eventBase)
     {
         m_eventBase->addEventListener(m_condition->m_name, this, false);
     }
 
+    virtual void handleEvent(Event*, bool);
+
     SVGSMILElement* m_animation;
     SVGSMILElement::Condition* m_condition;
     Element* m_eventBase;
 };
-    
+
+bool ConditionEventListener::operator==(const EventListener& listener)
+{
+    if (const ConditionEventListener* conditionEventListener = ConditionEventListener::cast(&listener))
+        return m_animation == conditionEventListener->m_animation
+               && m_condition == conditionEventListener->m_condition
+               && m_eventBase == conditionEventListener->m_eventBase;
+    return false;
+}
+
+void ConditionEventListener::handleEvent(Event* event, bool) 
+{
+    m_animation->handleConditionEvent(event, m_condition);
+}
+
 SVGSMILElement::Condition::Condition(Type type, BeginOrEnd beginOrEnd, const String& baseID, const String& name, SMILTime offset, int repeats)
     : m_type(type)
     , m_beginOrEnd(beginOrEnd)