[SVG] Handle endEvent for svg animations

Source/core/svg/animation/SVGSMILElement.cpp

Index: Source/core/svg/animation/SVGSMILElement.cpp
diff --git a/Source/core/svg/animation/SVGSMILElement.cpp b/Source/core/svg/animation/SVGSMILElement.cpp
index c229f9544fca5d9521fe688681fd058adececdc4..c79205efa8d1ddae12bcac2561ba8e6803b2673a 100644
--- a/Source/core/svg/animation/SVGSMILElement.cpp
+++ b/Source/core/svg/animation/SVGSMILElement.cpp
@@ -31,6 +31,7 @@
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/Document.h"
 #include "core/dom/EventListener.h"
+#include "core/dom/EventSender.h"
 #include "core/platform/FloatConversion.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "core/svg/SVGSVGElement.h"
@@ -44,6 +45,12 @@ using namespace std;
 
 namespace WebCore {
 
+static SMILEventSender& smilEndEventSender()
+{
+    DEFINE_STATIC_LOCAL(SMILEventSender, sender, ("endEvent"));
+    return sender;
+}
+
 // This is used for duration type time values that can't be negative.
 static const double invalidCachedTime = -1.;
 
@@ -133,6 +140,7 @@ SVGSMILElement::SVGSMILElement(const QualifiedName& tagName, Document* doc)
 SVGSMILElement::~SVGSMILElement()
 {
     clearResourceReferences();
+    smilEndEventSender().cancelEvent(this);
     disconnectConditions();
     if (m_timeContainer && m_targetElement && hasValidAttributeName())
         m_timeContainer->unschedule(this, m_targetElement, m_attributeName);
@@ -1051,9 +1059,6 @@ bool SVGSMILElement::progress(SMILTime elapsed, SVGSMILElement* resultElement, b
     ASSERT(m_timeContainer);
     ASSERT(m_isWaitingForFirstInterval || m_intervalBegin.isFinite());
 
-    if (!m_conditionsConnected)
-        connectConditions();
-
     if (!m_intervalBegin.isFinite()) {
         ASSERT(m_activeState == Inactive);
         m_nextProgressTime = SMILTime::unresolved();
@@ -1110,11 +1115,18 @@ bool SVGSMILElement::progress(SMILTime elapsed, SVGSMILElement* resultElement, b
     }
 
     if (oldActiveState == Active && m_activeState != Active) {
+        smilEndEventSender().dispatchEventSoon(this);
         endedActiveInterval();
         if (m_activeState != Frozen && this == resultElement)
             clearAnimatedType(m_targetElement);
     }
 
+    // Triggering all the pending events if the animation timeline is changed.
+    if (seekToTime) {
+        if (m_activeState == Inactive || m_activeState == Frozen)
+            smilEndEventSender().dispatchEventSoon(this);
+    }
+
     m_nextProgressTime = calculateNextProgressTime(elapsed);
     return animationIsContributing;
 }
@@ -1191,4 +1203,11 @@ void SVGSMILElement::endedActiveInterval()
     clearTimesWithDynamicOrigins(m_endTimes);
 }
 
+void SVGSMILElement::dispatchPendingEvent(SMILEventSender* eventSender)
+{
+    ASSERT(eventSender == &smilEndEventSender());
+    const AtomicString& eventType = eventSender->eventType();
+    dispatchEvent(Event::create(eventType));
+}
+
 }