mirror of
https://github.com/mozilla/gecko-dev.git
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126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/MediaKeyMessageEvent.h"
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#include "mozilla/dom/MediaKeyMessageEventBinding.h"
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#include "js/GCAPI.h"
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#include "jsfriendapi.h"
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#include "mozilla/dom/Nullable.h"
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#include "mozilla/dom/PrimitiveConversions.h"
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#include "mozilla/HoldDropJSObjects.h"
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#include "mozilla/dom/TypedArray.h"
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#include "nsContentUtils.h"
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#include "mozilla/dom/MediaKeys.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_CLASS(MediaKeyMessageEvent)
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NS_IMPL_ADDREF_INHERITED(MediaKeyMessageEvent, Event)
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NS_IMPL_RELEASE_INHERITED(MediaKeyMessageEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(MediaKeyMessageEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(MediaKeyMessageEvent, Event)
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NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mMessage)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(MediaKeyMessageEvent, Event)
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tmp->mMessage = nullptr;
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(MediaKeyMessageEvent)
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NS_INTERFACE_MAP_END_INHERITING(Event)
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MediaKeyMessageEvent::MediaKeyMessageEvent(EventTarget* aOwner)
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: Event(aOwner, nullptr, nullptr)
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{
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mozilla::HoldJSObjects(this);
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}
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MediaKeyMessageEvent::~MediaKeyMessageEvent()
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{
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mMessage = nullptr;
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mozilla::DropJSObjects(this);
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}
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MediaKeyMessageEvent*
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MediaKeyMessageEvent::AsMediaKeyMessageEvent()
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{
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return this;
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}
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JSObject*
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MediaKeyMessageEvent::WrapObjectInternal(JSContext* aCx)
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{
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return MediaKeyMessageEventBinding::Wrap(aCx, this);
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}
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already_AddRefed<MediaKeyMessageEvent>
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MediaKeyMessageEvent::Constructor(EventTarget* aOwner,
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MediaKeyMessageType aMessageType,
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const nsTArray<uint8_t>& aMessage)
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{
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nsRefPtr<MediaKeyMessageEvent> e = new MediaKeyMessageEvent(aOwner);
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e->InitEvent(NS_LITERAL_STRING("message"), false, false);
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e->mMessageType = aMessageType;
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e->mRawMessage = aMessage;
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e->SetTrusted(true);
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return e.forget();
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}
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already_AddRefed<MediaKeyMessageEvent>
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MediaKeyMessageEvent::Constructor(const GlobalObject& aGlobal,
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const nsAString& aType,
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const MediaKeyMessageEventInit& aEventInitDict,
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ErrorResult& aRv)
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{
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nsCOMPtr<EventTarget> owner = do_QueryInterface(aGlobal.GetAsSupports());
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nsRefPtr<MediaKeyMessageEvent> e = new MediaKeyMessageEvent(owner);
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bool trusted = e->Init(owner);
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e->InitEvent(aType, aEventInitDict.mBubbles, aEventInitDict.mCancelable);
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const uint8_t* data = nullptr;
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size_t length = 0;
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if (aEventInitDict.mMessage.WasPassed()) {
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const auto& a = aEventInitDict.mMessage.Value();
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a.ComputeLengthAndData();
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data = a.Data();
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length = a.Length();
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}
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e->mMessage = ArrayBuffer::Create(aGlobal.Context(), length, data);
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if (!e->mMessage) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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e->mMessageType = aEventInitDict.mMessageType;
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e->SetTrusted(trusted);
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return e.forget();
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}
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void
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MediaKeyMessageEvent::GetMessage(JSContext* cx,
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JS::MutableHandle<JSObject*> aMessage,
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ErrorResult& aRv)
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{
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if (!mMessage) {
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mMessage = ArrayBuffer::Create(cx,
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mRawMessage.Length(),
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mRawMessage.Elements());
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if (!mMessage) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return;
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}
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mRawMessage.Clear();
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}
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JS::ExposeObjectToActiveJS(mMessage);
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aMessage.set(mMessage);
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}
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} // namespace dom
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} // namespace mozilla
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