Issue #1829 - Revert "Issue #1751"

dom/html/HTMLSharedObjectElement.cpp

@@ -16,6 +16,10 @@
 #include "nsIScriptError.h"
 #include "nsIWidget.h"
 #include "nsContentUtils.h"
+#ifdef XP_MACOSX
+#include "mozilla/EventDispatcher.h"
+#include "mozilla/dom/Event.h"
+#endif
 #include "mozilla/dom/HTMLObjectElement.h"
 
 
@@ -38,6 +42,9 @@ HTMLSharedObjectElement::HTMLSharedObjectElement(already_AddRefed<mozilla::dom::
 
 HTMLSharedObjectElement::~HTMLSharedObjectElement()
 {
+#ifdef XP_MACOSX
+  HTMLObjectElement::OnFocusBlurPlugin(this, false);
+#endif
   UnregisterActivityObserver();
   DestroyImageLoadingContent();
 }
@@ -89,6 +96,17 @@ NS_INTERFACE_MAP_END_INHERITING(nsGenericHTMLElement)
 
 NS_IMPL_ELEMENT_CLONE(HTMLSharedObjectElement)
 
+#ifdef XP_MACOSX
+
+NS_IMETHODIMP
+HTMLSharedObjectElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
+{
+  HTMLObjectElement::HandleFocusBlurPlugin(this, aVisitor.mEvent);
+  return NS_OK;
+}
+
+#endif // #ifdef XP_MACOSX
+
 void
 HTMLSharedObjectElement::AsyncEventRunning(AsyncEventDispatcher* aEvent)
 {
@@ -130,6 +148,14 @@ void
 HTMLSharedObjectElement::UnbindFromTree(bool aDeep,
                                         bool aNullParent)
 {
+#ifdef XP_MACOSX
+  // When a page is reloaded (when an nsIDocument's content is removed), the
+  // focused element isn't necessarily sent an eBlur event. See
+  // nsFocusManager::ContentRemoved(). This means that a widget may think it
+  // still contains a focused plugin when it doesn't -- which in turn can
+  // disable text input in the browser window. See bug 1137229.
+  HTMLObjectElement::OnFocusBlurPlugin(this, false);
+#endif
   nsObjectLoadingContent::UnbindFromTree(aDeep, aNullParent);
   nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
 }