/* -*- 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 "MediaEncryptedEvent.h"

#include "mozilla/dom/MediaEncryptedEventBinding.h"

#include "nsContentUtils.h"

#include "jsfriendapi.h"

#include "nsINode.h"

#include "mozilla/dom/MediaKeys.h"

namespace mozilla {

namespace dom {

NS_IMPL_CYCLE_COLLECTION_CLASS(MediaEncryptedEvent)

NS_IMPL_ADDREF_INHERITED(MediaEncryptedEvent, Event)

NS_IMPL_RELEASE_INHERITED(MediaEncryptedEvent, Event)

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaEncryptedEvent, Event)

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(MediaEncryptedEvent, Event)

  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mInitData)

NS_IMPL_CYCLE_COLLECTION_TRACE_END

NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(MediaEncryptedEvent, Event)

  tmp->mInitData = nullptr;

  mozilla::DropJSObjects(this);

NS_IMPL_CYCLE_COLLECTION_UNLINK_END

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MediaEncryptedEvent)

NS_INTERFACE_MAP_END_INHERITING(Event)

MediaEncryptedEvent::MediaEncryptedEvent(EventTarget* aOwner)

  : Event(aOwner, nullptr, nullptr)

{

  mozilla::HoldJSObjects(this);

}

MediaEncryptedEvent::~MediaEncryptedEvent()

{

  mInitData = nullptr;

  mozilla::DropJSObjects(this);

}

JSObject*

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

{

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

}

already_AddRefed<MediaEncryptedEvent>

MediaEncryptedEvent::Constructor(EventTarget* aOwner)

{

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

  e->InitEvent(NS_LITERAL_STRING("encrypted"), CanBubble::eNo, Cancelable::eNo);

  e->SetTrusted(true);

  return e.forget();

}

already_AddRefed<MediaEncryptedEvent>

MediaEncryptedEvent::Constructor(EventTarget* aOwner,

                                 const nsAString& aInitDataType,

                                 const nsTArray<uint8_t>& aInitData)

{

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

  e->InitEvent(NS_LITERAL_STRING("encrypted"), CanBubble::eNo, Cancelable::eNo);

  e->mInitDataType = aInitDataType;

  e->mRawInitData = aInitData;

  e->SetTrusted(true);

  return e.forget();

}

already_AddRefed<MediaEncryptedEvent>

MediaEncryptedEvent::Constructor(const GlobalObject& aGlobal,

                                 const nsAString& aType,

                                 const MediaKeyNeededEventInit& aEventInitDict,

                                 ErrorResult& aRv)

{

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

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

  bool trusted = e->Init(owner);

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

  e->mInitDataType = aEventInitDict.mInitDataType;

  if (!aEventInitDict.mInitData.IsNull()) {

    const auto& a = aEventInitDict.mInitData.Value();

    a.ComputeLengthAndData();

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

                                       a.Length(),

                                       a.Data());

    if (!e->mInitData) {

      aRv.Throw(NS_ERROR_OUT_OF_MEMORY);

      return nullptr;

    }

  }

  e->SetTrusted(trusted);

  return e.forget();

}

void

MediaEncryptedEvent::GetInitDataType(nsString& aRetVal) const

{

  aRetVal = mInitDataType;

}

void

MediaEncryptedEvent::GetInitData(JSContext* cx,

                                 JS::MutableHandle<JSObject*> aData,

                                 ErrorResult& aRv)

{

  if (mRawInitData.Length()) {

    mInitData = ArrayBuffer::Create(cx,

                                    this,

                                    mRawInitData.Length(),

                                    mRawInitData.Elements());

    if (!mInitData) {

      aRv.Throw(NS_ERROR_OUT_OF_MEMORY);

      return;

    }

    mRawInitData.Clear();

  }

  aData.set(mInitData);

}

} // namespace dom

} // namespace mozilla