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Diffstat (limited to '')
-rw-r--r-- | dom/clients/manager/ClientManagerChild.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/dom/clients/manager/ClientManagerChild.cpp b/dom/clients/manager/ClientManagerChild.cpp new file mode 100644 index 0000000000..b51ff11897 --- /dev/null +++ b/dom/clients/manager/ClientManagerChild.cpp @@ -0,0 +1,137 @@ +/* -*- 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 "ClientManagerChild.h" + +#include "ClientHandleChild.h" +#include "ClientManagerOpChild.h" +#include "ClientNavigateOpChild.h" +#include "ClientSourceChild.h" + +#include "mozilla/dom/WorkerCommon.h" +#include "mozilla/dom/WorkerRef.h" + +namespace mozilla::dom { + +void ClientManagerChild::ActorDestroy(ActorDestroyReason aReason) { + mIPCWorkerRef = nullptr; + + if (mManager) { + mManager->RevokeActor(this); + + // Revoking the actor link should automatically cause the owner + // to call RevokeOwner() as well. + MOZ_DIAGNOSTIC_ASSERT(!mManager); + } +} + +PClientHandleChild* ClientManagerChild::AllocPClientHandleChild( + const IPCClientInfo& aClientInfo) { + return new ClientHandleChild(); +} + +bool ClientManagerChild::DeallocPClientHandleChild(PClientHandleChild* aActor) { + delete aActor; + return true; +} + +PClientManagerOpChild* ClientManagerChild::AllocPClientManagerOpChild( + const ClientOpConstructorArgs& aArgs) { + MOZ_ASSERT_UNREACHABLE( + "ClientManagerOpChild must be explicitly constructed."); + return nullptr; +} + +bool ClientManagerChild::DeallocPClientManagerOpChild( + PClientManagerOpChild* aActor) { + delete aActor; + return true; +} + +PClientNavigateOpChild* ClientManagerChild::AllocPClientNavigateOpChild( + const ClientNavigateOpConstructorArgs& aArgs) { + return new ClientNavigateOpChild(); +} + +bool ClientManagerChild::DeallocPClientNavigateOpChild( + PClientNavigateOpChild* aActor) { + delete aActor; + return true; +} + +mozilla::ipc::IPCResult ClientManagerChild::RecvPClientNavigateOpConstructor( + PClientNavigateOpChild* aActor, + const ClientNavigateOpConstructorArgs& aArgs) { + auto actor = static_cast<ClientNavigateOpChild*>(aActor); + actor->Init(aArgs); + return IPC_OK(); +} + +PClientSourceChild* ClientManagerChild::AllocPClientSourceChild( + const ClientSourceConstructorArgs& aArgs) { + return new ClientSourceChild(aArgs); +} + +bool ClientManagerChild::DeallocPClientSourceChild(PClientSourceChild* aActor) { + delete aActor; + return true; +} + +// static +ClientManagerChild* ClientManagerChild::Create() { + ClientManagerChild* actor = new ClientManagerChild(); + + if (!NS_IsMainThread()) { + WorkerPrivate* workerPrivate = GetCurrentThreadWorkerPrivate(); + MOZ_DIAGNOSTIC_ASSERT(workerPrivate); + + RefPtr<IPCWorkerRefHelper<ClientManagerChild>> helper = + new IPCWorkerRefHelper<ClientManagerChild>(actor); + + actor->mIPCWorkerRef = IPCWorkerRef::Create( + workerPrivate, "ClientManagerChild", + [helper] { helper->Actor()->MaybeStartTeardown(); }); + + if (NS_WARN_IF(!actor->mIPCWorkerRef)) { + delete actor; + return nullptr; + } + } + + return actor; +} + +ClientManagerChild::ClientManagerChild() + : mManager(nullptr), mTeardownStarted(false) {} + +void ClientManagerChild::SetOwner(ClientThing<ClientManagerChild>* aThing) { + MOZ_DIAGNOSTIC_ASSERT(aThing); + MOZ_DIAGNOSTIC_ASSERT(!mManager); + mManager = aThing; +} + +void ClientManagerChild::RevokeOwner(ClientThing<ClientManagerChild>* aThing) { + MOZ_DIAGNOSTIC_ASSERT(mManager); + MOZ_DIAGNOSTIC_ASSERT(mManager == aThing); + mManager = nullptr; +} + +void ClientManagerChild::MaybeStartTeardown() { + if (mTeardownStarted) { + return; + } + mTeardownStarted = true; + SendTeardown(); +} + +WorkerPrivate* ClientManagerChild::GetWorkerPrivate() const { + if (!mIPCWorkerRef) { + return nullptr; + } + return mIPCWorkerRef->Private(); +} + +} // namespace mozilla::dom |