1 files changed, 83 insertions, 0 deletions
diff --git a/dom/events/CustomEvent.cpp b/dom/events/CustomEvent.cpp
new file mode 100644
index 0000000000..c4f1b30044
--- /dev/null
+++ b/dom/events/CustomEvent.cpp
@@ -0,0 +1,83 @@
+/* -*- 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/. */
+
+#include "CustomEvent.h"
+#include "mozilla/dom/CustomEventBinding.h"
+
+#include "mozilla/dom/BindingUtils.h"
+#include "mozilla/HoldDropJSObjects.h"
+#include "nsContentUtils.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+CustomEvent::CustomEvent(mozilla::dom::EventTarget* aOwner,
+                         nsPresContext* aPresContext,
+                         mozilla::WidgetEvent* aEvent)
+    : Event(aOwner, aPresContext, aEvent), mDetail(JS::NullValue()) {
+  mozilla::HoldJSObjects(this);
+}
+
+CustomEvent::~CustomEvent() { mozilla::DropJSObjects(this); }
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(CustomEvent)
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(CustomEvent, Event)
+  mozilla::DropJSObjects(tmp);
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(CustomEvent, Event)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(CustomEvent, Event)
+  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mDetail)
+NS_IMPL_CYCLE_COLLECTION_TRACE_END
+
+NS_IMPL_ADDREF_INHERITED(CustomEvent, Event)
+NS_IMPL_RELEASE_INHERITED(CustomEvent, Event)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CustomEvent)
+NS_INTERFACE_MAP_END_INHERITING(Event)
+
+already_AddRefed<CustomEvent> CustomEvent::Constructor(
+    const GlobalObject& aGlobal, const nsAString& aType,
+    const CustomEventInit& aParam) {
+  nsCOMPtr<mozilla::dom::EventTarget> t =
+      do_QueryInterface(aGlobal.GetAsSupports());
+  RefPtr<CustomEvent> e = new CustomEvent(t, nullptr, nullptr);
+  bool trusted = e->Init(t);
+  JS::Rooted<JS::Value> detail(aGlobal.Context(), aParam.mDetail);
+  e->InitCustomEvent(aGlobal.Context(), aType, aParam.mBubbles,
+                     aParam.mCancelable, detail);
+  e->SetTrusted(trusted);
+  e->SetComposed(aParam.mComposed);
+  return e.forget();
+}
+
+JSObject* CustomEvent::WrapObjectInternal(JSContext* aCx,
+                                          JS::Handle<JSObject*> aGivenProto) {
+  return mozilla::dom::CustomEvent_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void CustomEvent::InitCustomEvent(JSContext* aCx, const nsAString& aType,
+                                  bool aCanBubble, bool aCancelable,
+                                  JS::Handle<JS::Value> aDetail) {
+  NS_ENSURE_TRUE_VOID(!mEvent->mFlags.mIsBeingDispatched);
+
+  Event::InitEvent(aType, aCanBubble, aCancelable);
+  mDetail = aDetail;
+}
+
+void CustomEvent::GetDetail(JSContext* aCx,
+                            JS::MutableHandle<JS::Value> aRetval) {
+  aRetval.set(mDetail);
+}
+
+already_AddRefed<CustomEvent> NS_NewDOMCustomEvent(
+    EventTarget* aOwner, nsPresContext* aPresContext,
+    mozilla::WidgetEvent* aEvent) {
+  RefPtr<CustomEvent> it = new CustomEvent(aOwner, aPresContext, aEvent);
+  return it.forget();
+}