зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
2.6 KiB
C++
106 строки
2.6 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 "ClientHandle.h"
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#include "ClientHandleChild.h"
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#include "ClientHandleOpChild.h"
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#include "ClientManager.h"
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#include "mozilla/dom/PClientManagerChild.h"
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namespace mozilla {
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namespace dom {
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ClientHandle::~ClientHandle()
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{
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Shutdown();
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}
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void
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ClientHandle::Shutdown()
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{
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NS_ASSERT_OWNINGTHREAD(ClientSource);
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if (IsShutdown()) {
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return;
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}
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ShutdownThing();
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mManager = nullptr;
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}
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already_AddRefed<ClientOpPromise>
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ClientHandle::StartOp(const ClientOpConstructorArgs& aArgs)
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{
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RefPtr<ClientOpPromise::Private> promise =
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new ClientOpPromise::Private(__func__);
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// Hold a ref to the client until the remote operation completes. Otherwise
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// the ClientHandle might get de-refed and teardown the actor before we
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// get an answer.
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RefPtr<ClientHandle> kungFuGrip = this;
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promise->Then(mSerialEventTarget, __func__,
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[kungFuGrip] (const ClientOpResult &) { },
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[kungFuGrip] (nsresult) { });
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MaybeExecute([aArgs, promise] (ClientHandleChild* aActor) {
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ClientHandleOpChild* actor = new ClientHandleOpChild(aArgs, promise);
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if (!aActor->SendPClientHandleOpConstructor(actor, aArgs)) {
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// Constructor failure will reject promise via ActorDestroy()
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return;
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}
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});
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RefPtr<ClientOpPromise> ref = promise.get();
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return ref.forget();
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}
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ClientHandle::ClientHandle(ClientManager* aManager,
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nsISerialEventTarget* aSerialEventTarget,
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const ClientInfo& aClientInfo)
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: mManager(aManager)
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, mSerialEventTarget(aSerialEventTarget)
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, mClientInfo(aClientInfo)
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{
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MOZ_DIAGNOSTIC_ASSERT(mManager);
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MOZ_DIAGNOSTIC_ASSERT(mSerialEventTarget);
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MOZ_ASSERT(mSerialEventTarget->IsOnCurrentThread());
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}
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void
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ClientHandle::Activate(PClientManagerChild* aActor)
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{
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NS_ASSERT_OWNINGTHREAD(ClientHandle);
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if (IsShutdown()) {
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return;
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}
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PClientHandleChild* actor =
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aActor->SendPClientHandleConstructor(mClientInfo.ToIPC());
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if (!actor) {
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Shutdown();
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return;
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}
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ActivateThing(static_cast<ClientHandleChild*>(actor));
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}
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void
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ClientHandle::ExecutionReady(const ClientInfo& aClientInfo)
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{
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mClientInfo = aClientInfo;
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}
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const ClientInfo&
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ClientHandle::Info() const
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{
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return mClientInfo;
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}
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} // namespace dom
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} // namespace mozilla
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