Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 73 insertions, 0 deletions

diff --git a/Source/WebCore/dom/EventQueue.cpp b/Source/WebCore/dom/EventQueue.cpp
new file mode 100644
index 0000000..27cd802
--- /dev/null
+++ b/Source/WebCore/dom/EventQueue.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2010 Google Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ *
+ */
+
+#include "config.h"
+#include "EventQueue.h"
+
+#include "DOMWindow.h"
+#include "Document.h"
+#include "Event.h"
+#include "EventNames.h"
+
+namespace WebCore {
+
+EventQueue::EventQueue()
+    : m_pendingEventTimer(this, &EventQueue::pendingEventTimerFired)
+{
+}
+
+void EventQueue::enqueueEvent(PassRefPtr<Event> event)
+{
+    ASSERT(event->target()->toNode() || event->target()->toDOMWindow());
+    m_queuedEvents.append(event);
+    
+    if (!m_pendingEventTimer.isActive())
+        m_pendingEventTimer.startOneShot(0);
+}
+
+void EventQueue::pendingEventTimerFired(Timer<EventQueue>*)
+{
+    ASSERT(!m_pendingEventTimer.isActive());
+
+    Vector<RefPtr<Event> > queuedEvents;
+    queuedEvents.swap(m_queuedEvents);
+
+    for (size_t i = 0; i < queuedEvents.size(); i++)
+        dispatchEvent(queuedEvents[i].release());
+}
+
+void EventQueue::dispatchEvent(PassRefPtr<Event> event)
+{
+    EventTarget* eventTarget = event->target();
+    if (eventTarget->toNode())
+        eventTarget->dispatchEvent(event);
+    else if (eventTarget->toDOMWindow())
+        eventTarget->toDOMWindow()->dispatchEvent(event, 0);
+    else
+        ASSERT_NOT_REACHED();
+}
+
+}