Bug 1110888 - Always do plugin IME in main process, even with e10s. r=masayuki,smaug

dom/html/HTMLObjectElement.cpp

@@ -20,6 +20,10 @@
 #include "nsNPAPIPluginInstance.h"
 #include "nsIWidget.h"
 #include "nsContentUtils.h"
+#ifdef XP_MACOSX
+#include "mozilla/EventDispatcher.h"
+#include "mozilla/dom/Event.h"
+#endif
 
 namespace mozilla {
 namespace dom {
@@ -104,6 +108,55 @@ NS_IMPL_ELEMENT_CLONE(HTMLObjectElement)
 // nsIConstraintValidation
 NS_IMPL_NSICONSTRAINTVALIDATION(HTMLObjectElement)
 
+#ifdef XP_MACOSX
+
+static nsIWidget* GetWidget(Element* aElement)
+{
+  nsIWidget* retval = NULL;
+  nsIFrame* frame = aElement->GetPrimaryFrame();
+  if (frame) {
+    retval = frame->GetNearestWidget();
+  }
+  return retval;
+}
+
+static void OnFocusBlurPlugin(Element* aElement, bool aFocus)
+{
+  nsIWidget* widget = GetWidget(aElement);
+  if (widget) {
+    bool value = aFocus;
+    widget->SetPluginFocused(value);
+  }
+}
+
+void
+HTMLObjectElement::HandleFocusBlurPlugin(Element* aElement,
+                                         WidgetEvent* aEvent)
+{
+  if (!aEvent->mFlags.mIsTrusted) {
+    return;
+  }
+  switch (aEvent->message) {
+    case NS_FOCUS_CONTENT: {
+      OnFocusBlurPlugin(aElement, true);
+      break;
+    }
+    case NS_BLUR_CONTENT: {
+      OnFocusBlurPlugin(aElement, false);
+      break;
+    }
+  }
+}
+
+NS_IMETHODIMP
+HTMLObjectElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
+{
+  HandleFocusBlurPlugin(this, aVisitor.mEvent);
+  return NS_OK;
+}
+
+#endif // #ifdef XP_MACOSX
+
 NS_IMETHODIMP
 HTMLObjectElement::GetForm(nsIDOMHTMLFormElement **aForm)
 {