From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 dom/events/EventTarget.h | 112 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 dom/events/EventTarget.h

(limited to 'dom/events/EventTarget.h')

diff --git a/dom/events/EventTarget.h b/dom/events/EventTarget.h
new file mode 100644
index 000000000..3e6b6ca42
--- /dev/null
+++ b/dom/events/EventTarget.h
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_EventTarget_h_
+#define mozilla_dom_EventTarget_h_
+
+#include "nsIDOMEventTarget.h"
+#include "nsWrapperCache.h"
+#include "nsIAtom.h"
+
+class nsPIDOMWindowOuter;
+class nsIGlobalObject;
+
+namespace mozilla {
+
+class AsyncEventDispatcher;
+class ErrorResult;
+class EventListenerManager;
+
+namespace dom {
+
+class AddEventListenerOptionsOrBoolean;
+class Event;
+class EventListener;
+class EventListenerOptionsOrBoolean;
+class EventHandlerNonNull;
+
+template <class T> struct Nullable;
+
+// IID for the dom::EventTarget interface
+#define NS_EVENTTARGET_IID \
+{ 0xde651c36, 0x0053, 0x4c67, \
+  { 0xb1, 0x3d, 0x67, 0xb9, 0x40, 0xfc, 0x82, 0xe4 } }
+
+class EventTarget : public nsIDOMEventTarget,
+                    public nsWrapperCache
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_EVENTTARGET_IID)
+
+  // WebIDL API
+  using nsIDOMEventTarget::AddEventListener;
+  using nsIDOMEventTarget::RemoveEventListener;
+  using nsIDOMEventTarget::DispatchEvent;
+  virtual void AddEventListener(const nsAString& aType,
+                                EventListener* aCallback,
+                                const AddEventListenerOptionsOrBoolean& aOptions,
+                                const Nullable<bool>& aWantsUntrusted,
+                                ErrorResult& aRv) = 0;
+  virtual void RemoveEventListener(const nsAString& aType,
+                                   EventListener* aCallback,
+                                   const EventListenerOptionsOrBoolean& aOptions,
+                                   ErrorResult& aRv);
+  bool DispatchEvent(JSContext* aCx, Event& aEvent, ErrorResult& aRv);
+
+  // Note, this takes the type in onfoo form!
+  EventHandlerNonNull* GetEventHandler(const nsAString& aType)
+  {
+    nsCOMPtr<nsIAtom> type = NS_Atomize(aType);
+    return GetEventHandler(type, EmptyString());
+  }
+
+  // Note, this takes the type in onfoo form!
+  void SetEventHandler(const nsAString& aType, EventHandlerNonNull* aHandler,
+                       ErrorResult& rv);
+
+  // Note, for an event 'foo' aType will be 'onfoo'.
+  virtual void EventListenerAdded(nsIAtom* aType) {}
+  virtual void EventListenerRemoved(nsIAtom* aType) {}
+
+  // Returns an outer window that corresponds to the inner window this event
+  // target is associated with.  Will return null if the inner window is not the
+  // current inner or if there is no window around at all.
+  virtual nsPIDOMWindowOuter* GetOwnerGlobalForBindings() = 0;
+
+  // The global object this event target is associated with, if any.
+  // This may be an inner window or some other global object.  This
+  // will never be an outer window.
+  virtual nsIGlobalObject* GetOwnerGlobal() const = 0;
+
+  /**
+   * Get the event listener manager, creating it if it does not already exist.
+   */
+  virtual EventListenerManager* GetOrCreateListenerManager() = 0;
+
+  /**
+   * Get the event listener manager, returning null if it does not already
+   * exist.
+   */
+  virtual EventListenerManager* GetExistingListenerManager() const = 0;
+
+  // Called from AsyncEventDispatcher to notify it is running.
+  virtual void AsyncEventRunning(AsyncEventDispatcher* aEvent) {}
+
+  virtual bool IsApzAware() const;
+
+protected:
+  EventHandlerNonNull* GetEventHandler(nsIAtom* aType,
+                                       const nsAString& aTypeString);
+  void SetEventHandler(nsIAtom* aType, const nsAString& aTypeString,
+                       EventHandlerNonNull* aHandler);
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(EventTarget, NS_EVENTTARGET_IID)
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_EventTarget_h_
-- 
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