gecko-dev/dom/ipc/RefMessageBodyService.h
Andrea Marchesini 1d307811b9 Bug 1610020 - BroadcastChannel + wasm - part 1 - Move RefMessageBodyService into dom/ipc, r=smaug
Differential Revision: https://phabricator.services.mozilla.com/D60317

--HG--
rename : dom/messagechannel/RefMessageBodyService.cpp => dom/ipc/RefMessageBodyService.cpp
rename : dom/messagechannel/RefMessageBodyService.h => dom/ipc/RefMessageBodyService.h
extra : moz-landing-system : lando
2020-01-24 07:59:34 +00:00

63 lines
1.7 KiB
C++

/* -*- 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/. */
#ifndef mozilla_dom_RefMessageBodyService_h
#define mozilla_dom_RefMessageBodyService_h
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "mozilla/StaticMutex.h"
#include "nsRefPtrHashtable.h"
namespace mozilla {
namespace dom {
class RefMessageBody final {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RefMessageBody)
RefMessageBody(nsID& aPortID,
UniquePtr<ipc::StructuredCloneData>&& aCloneData)
: mPortID(aPortID), mCloneData(std::move(aCloneData)) {}
const nsID& PortID() const { return mPortID; }
ipc::StructuredCloneData* CloneData() { return mCloneData.get(); }
private:
~RefMessageBody() = default;
nsID mPortID;
UniquePtr<ipc::StructuredCloneData> mCloneData;
};
class RefMessageBodyService final {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(RefMessageBodyService)
static already_AddRefed<RefMessageBodyService> GetOrCreate();
void ForgetPort(nsID& aPortID);
nsID Register(already_AddRefed<RefMessageBody> aBody, ErrorResult& aRv);
already_AddRefed<RefMessageBody> Steal(nsID& aID);
private:
RefMessageBodyService();
~RefMessageBodyService();
static RefMessageBodyService* GetOrCreateInternal(
const StaticMutexAutoLock& aProofOfLock);
nsRefPtrHashtable<nsIDHashKey, RefMessageBody> mMessages;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_RefMessageBodyService_h