/* -*- 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 "mozilla/dom/MediaKeyMessageEvent.h"

#include "mozilla/dom/MediaKeyMessageEventBinding.h"

#include "js/RootingAPI.h"

#include "jsfriendapi.h"

#include "mozilla/dom/Nullable.h"

#include "mozilla/dom/PrimitiveConversions.h"

#include "mozilla/HoldDropJSObjects.h"

#include "mozilla/dom/TypedArray.h"

#include "nsContentUtils.h"

#include "mozilla/dom/MediaKeys.h"

namespace mozilla {

namespace dom {

NS_IMPL_CYCLE_COLLECTION_CLASS(MediaKeyMessageEvent)

NS_IMPL_ADDREF_INHERITED(MediaKeyMessageEvent, Event)

NS_IMPL_RELEASE_INHERITED(MediaKeyMessageEvent, Event)

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaKeyMessageEvent, Event)

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(MediaKeyMessageEvent, Event)

  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mMessage)

NS_IMPL_CYCLE_COLLECTION_TRACE_END

NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(MediaKeyMessageEvent, Event)

  tmp->mMessage = nullptr;

  mozilla::DropJSObjects(this);

NS_IMPL_CYCLE_COLLECTION_UNLINK_END

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MediaKeyMessageEvent)

NS_INTERFACE_MAP_END_INHERITING(Event)

MediaKeyMessageEvent::MediaKeyMessageEvent(EventTarget* aOwner)

  : Event(aOwner, nullptr, nullptr)

  , mMessageType(static_cast<MediaKeyMessageType>(0))

{

  mozilla::HoldJSObjects(this);

}

MediaKeyMessageEvent::~MediaKeyMessageEvent()

{

  mMessage = nullptr;

  mozilla::DropJSObjects(this);

}

MediaKeyMessageEvent*

MediaKeyMessageEvent::AsMediaKeyMessageEvent()

{

  return this;

}

JSObject*

MediaKeyMessageEvent::WrapObjectInternal(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)

{

  return MediaKeyMessageEvent_Binding::Wrap(aCx, this, aGivenProto);

}

already_AddRefed<MediaKeyMessageEvent>

MediaKeyMessageEvent::Constructor(EventTarget* aOwner,

                                  MediaKeyMessageType aMessageType,

                                  const nsTArray<uint8_t>& aMessage)

{

  RefPtr<MediaKeyMessageEvent> e = new MediaKeyMessageEvent(aOwner);

  e->InitEvent(NS_LITERAL_STRING("message"), false, false);

  e->mMessageType = aMessageType;

  e->mRawMessage = aMessage;

  e->SetTrusted(true);

  return e.forget();

}

already_AddRefed<MediaKeyMessageEvent>

MediaKeyMessageEvent::Constructor(const GlobalObject& aGlobal,

                                  const nsAString& aType,

                                  const MediaKeyMessageEventInit& aEventInitDict,

                                  ErrorResult& aRv)

{

  nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());

  RefPtr<MediaKeyMessageEvent> e = new MediaKeyMessageEvent(owner);

  bool trusted = e->Init(owner);

  e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);

  aEventInitDict.mMessage.ComputeLengthAndData();

  e->mMessage = ArrayBuffer::Create(aGlobal.Context(),

                                    aEventInitDict.mMessage.Length(),

                                    aEventInitDict.mMessage.Data());

  if (!e->mMessage) {

    aRv.Throw(NS_ERROR_OUT_OF_MEMORY);

    return nullptr;

  }

  e->mMessageType = aEventInitDict.mMessageType;

  e->SetTrusted(trusted);

  e->SetComposed(aEventInitDict.mComposed);

  return e.forget();

}

void

MediaKeyMessageEvent::GetMessage(JSContext* cx,

                                 JS::MutableHandle<JSObject*> aMessage,

                                 ErrorResult& aRv)

{

  if (!mMessage) {

    mMessage = ArrayBuffer::Create(cx,

                                   this,

                                   mRawMessage.Length(),

                                   mRawMessage.Elements());

    if (!mMessage) {

      aRv.Throw(NS_ERROR_OUT_OF_MEMORY);

      return;

    }

    mRawMessage.Clear();

  }

  aMessage.set(mMessage);

}

} // namespace dom

} // namespace mozilla