Focusing iframe window should trigger blur event for oldframe's focused element

Source/core/page/FocusController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * 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 243 matching lines @@
     if (newFrame && newFrame->view() && isFocused()) {
         newFrame->selection().setFocused(true);
         newFrame->domWindow()->dispatchEvent(Event::create(EventTypeNames::focus));
     }
 
     m_isChangingFocusedFrame = false;
 
     m_page->chrome().client().focusedFrameChanged(newFrame.get());
 }
 
+void FocusController::focusDocumentView(PassRefPtr<Frame> frame)
+{
+    ASSERT(!frame || frame->page() == m_page);
+    if (m_focusedFrame == frame)
+        return;
+
+    RefPtr<LocalFrame> focusedFrame = (m_focusedFrame && m_focusedFrame->isLocalFrame()) ? toLocalFrame(m_focusedFrame.get()) : 0;
+    if (focusedFrame && focusedFrame->view()) {
+        RefPtr<Document> document = focusedFrame->document();
+        Element* focusedElement = document ? document->focusedElement() : 0;
+        if (focusedElement) {
+            focusedElement->dispatchBlurEvent(0);
+            if (focusedElement == document->focusedElement()) {
+                focusedElement->dispatchFocusOutEvent(EventTypeNames::focusout, 0);
+                if (focusedElement == document->focusedElement())
+                    focusedElement->dispatchFocusOutEvent(EventTypeNames::DOMFocusOut, 0);
+            }
+        }
+    }
+
+    RefPtr<LocalFrame> newFocusedFrame = (frame && frame->isLocalFrame()) ? toLocalFrame(frame.get()) : 0;
+    if (newFocusedFrame && newFocusedFrame->view()) {
+        RefPtr<Document> document = newFocusedFrame->document();
+        Element* focusedElement = document ? document->focusedElement() : 0;
+        if (focusedElement) {
+            focusedElement->dispatchFocusEvent(0, FocusTypePage);
+            if (focusedElement == document->focusedElement()) {
+                document->focusedElement()->dispatchFocusInEvent(EventTypeNames::focusin, 0);
+                if (focusedElement == document->focusedElement())
+                    document->focusedElement()->dispatchFocusInEvent(EventTypeNames::DOMFocusIn, 0);
+            }
+        }
+    }
+
+    setFocusedFrame(frame);
+}
+
 Frame* FocusController::focusedOrMainFrame() const
 {
     if (Frame* frame = focusedFrame())
         return frame;
     return m_page->mainFrame();
 }
 
 void FocusController::setFocused(bool focused)
 {
     if (isFocused() == focused)
@@ skipping 603 matching lines @@
         startingRect = nodeRectInAbsoluteCoordinates(container, true /* ignore border */);
         container = scrollableEnclosingBoxOrParentFrameForNodeInDirection(type, container);
         if (container && container->isDocumentNode())
             toDocument(container)->updateLayoutIgnorePendingStylesheets();
     } while (!consumed && container);
 
     return consumed;
 }
 
 } // namespace WebCore