forked from mirrors/gecko-dev
90 lines
2.4 KiB
C++
90 lines
2.4 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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "MessageChannel.h"
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#include "mozilla/dom/MessageChannelBinding.h"
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#include "mozilla/dom/MessagePort.h"
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#include "mozilla/dom/Navigator.h"
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#include "mozilla/dom/WorkerRunnable.h"
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#include "nsContentUtils.h"
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#include "nsIDocument.h"
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#include "nsIGlobalObject.h"
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#include "nsIPrincipal.h"
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#include "nsServiceManagerUtils.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(MessageChannel, mGlobal, mPort1, mPort2)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(MessageChannel)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(MessageChannel)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MessageChannel)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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MessageChannel::MessageChannel(nsIGlobalObject* aGlobal)
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: mGlobal(aGlobal)
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{
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MOZ_ASSERT(aGlobal);
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}
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MessageChannel::~MessageChannel()
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{
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}
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JSObject*
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MessageChannel::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return MessageChannelBinding::Wrap(aCx, this, aGivenProto);
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}
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/* static */ already_AddRefed<MessageChannel>
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MessageChannel::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(aGlobal.GetAsSupports());
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return Constructor(global, aRv);
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}
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/* static */ already_AddRefed<MessageChannel>
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MessageChannel::Constructor(nsIGlobalObject* aGlobal, ErrorResult& aRv)
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{
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MOZ_ASSERT(aGlobal);
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nsID portUUID1;
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aRv = nsContentUtils::GenerateUUIDInPlace(portUUID1);
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if (aRv.Failed()) {
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return nullptr;
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}
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nsID portUUID2;
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aRv = nsContentUtils::GenerateUUIDInPlace(portUUID2);
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if (aRv.Failed()) {
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return nullptr;
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}
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RefPtr<MessageChannel> channel = new MessageChannel(aGlobal);
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channel->mPort1 = MessagePort::Create(aGlobal, portUUID1, portUUID2, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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channel->mPort2 = MessagePort::Create(aGlobal, portUUID2, portUUID1, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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channel->mPort1->UnshippedEntangle(channel->mPort2);
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channel->mPort2->UnshippedEntangle(channel->mPort1);
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return channel.forget();
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}
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} // namespace dom
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} // namespace mozilla
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