MediaKeyMessageEvent.cpp

Enable keyboard shortcuts

/* -*- 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/ArrayBuffer.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::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)

  mozilla::DropJSObjects(tmp);

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() { 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(u"message"_ns, false, false);

  e->mMessageType = aMessageType;

  e->mRawMessage = aMessage.Clone();

  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);

  JS::Rooted<JSObject*> buffer(aGlobal.Context(),

                               aEventInitDict.mMessage.Obj());

  e->mMessage = JS::CopyArrayBuffer(aGlobal.Context(), buffer);

  if (!e->mMessage) {

    aRv.NoteJSContextException(aGlobal.Context());

    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, aRv);

    if (aRv.Failed()) {

      return;

    mRawMessage.Clear();

  aMessage.set(mMessage);

}  // namespace mozilla::dom