Update of change event for input type number

Source/core/html/shadow/SpinButtonElement.cpp

 /*
  * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
  * 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
@@ skipping 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/html/shadow/SpinButtonElement.h"
 
 #include "HTMLNames.h"
 #include "core/events/MouseEvent.h"
 #include "core/events/ThreadLocalEventNames.h"
 #include "core/events/WheelEvent.h"
+#include "core/html/HTMLInputElement.h"
 #include "core/html/shadow/ShadowElementNames.h"
 #include "core/page/Chrome.h"
 #include "core/page/EventHandler.h"
 #include "core/frame/Frame.h"
 #include "core/page/Page.h"
 #include "core/rendering/RenderBox.h"
 #include "platform/scroll/ScrollbarTheme.h"
 
 namespace WebCore {
 
@@ skipping 60 matching lines @@
                     // might change the element state and we might need to
                     // cancel the repeating timer by the state change. If we
                     // started the timer after doStepAction(), we would have no
                     // chance to cancel the timer.
                     startRepeatingTimer();
                     doStepAction(m_upDownState == Up ? 1 : -1);
                 }
             }
             event->setDefaultHandled();
         }
-    } else if (mouseEvent->type() == EventTypeNames::mouseup && mouseEvent->button() == LeftButton)
+    } else if (mouseEvent->type() == EventTypeNames::mouseup && mouseEvent->button() == LeftButton) {
         stopRepeatingTimer();
-    else if (event->type() == EventTypeNames::mousemove) {
+        HTMLInputElement* input = toHTMLInputElement(shadowHost());
+        input->dispatchFormControlChangeEvent();

[tkent, 2014/01/15 00:19:44]

We need to call it in SpinButtonElement::releaseCapture because we have to
dispatch 'change' event when the element gets disabled.
BTW, probably the stopRepeatingTimer() here should be releaseCapture().

+    } else if (event->type() == EventTypeNames::mousemove) {
         if (box->pixelSnappedBorderBoxRect().contains(local)) {
             if (!m_capturing) {
                 if (Frame* frame = document().frame()) {
                     frame->eventHandler().setCapturingMouseEventsNode(this);
                     m_capturing = true;
                     if (Page* page = document().page())
                         page->chrome().registerPopupOpeningObserver(this);
                 }
             }
             UpDownState oldUpDownState = m_upDownState;
@@ skipping 122 matching lines @@
         m_upDownState = Indeterminate;
     HTMLDivElement::setHovered(flag);
 }
 
 bool SpinButtonElement::shouldRespondToMouseEvents()
 {
     return !m_spinButtonOwner || m_spinButtonOwner->shouldSpinButtonRespondToMouseEvents();
 }
 
 }