/* -*- 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 "nsContentUtils.h"

#include "nsIXPConnect.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)

  tmp->mDetail.setUndefined();

  mozilla::DropJSObjects(this);

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,

                         ErrorResult& aRv)

{

  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();

}