gecko-dev/dom/clients/manager/ClientSourceChild.cpp

87 строки
2.0 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/. */
#include "ClientSourceChild.h"
#include "ClientSourceOpChild.h"
#include "ClientThing.h"
#include "mozilla/dom/ClientIPCTypes.h"
#include "mozilla/Unused.h"
namespace mozilla {
namespace dom {
using mozilla::ipc::IPCResult;
void
ClientSourceChild::ActorDestroy(ActorDestroyReason aReason)
{
if (mSource) {
mSource->RevokeActor(this);
// Revoking the actor link should automatically cause the owner
// to call RevokeOwner() as well.
MOZ_DIAGNOSTIC_ASSERT(!mSource);
}
}
PClientSourceOpChild*
ClientSourceChild::AllocPClientSourceOpChild(const ClientOpConstructorArgs& aArgs)
{
return new ClientSourceOpChild();
}
bool
ClientSourceChild::DeallocPClientSourceOpChild(PClientSourceOpChild* aActor)
{
delete aActor;
return true;
}
IPCResult
ClientSourceChild::RecvPClientSourceOpConstructor(PClientSourceOpChild* aActor,
const ClientOpConstructorArgs& aArgs)
{
auto actor = static_cast<ClientSourceOpChild*>(aActor);
actor->Init(aArgs);
return IPC_OK();
}
ClientSourceChild::ClientSourceChild(const ClientSourceConstructorArgs& aArgs)
: mSource(nullptr)
, mTeardownStarted(false)
{
}
void
ClientSourceChild::SetOwner(ClientThing<ClientSourceChild>* aThing)
{
MOZ_DIAGNOSTIC_ASSERT(aThing);
MOZ_DIAGNOSTIC_ASSERT(!mSource);
mSource = aThing;
}
void
ClientSourceChild::RevokeOwner(ClientThing<ClientSourceChild>* aThing)
{
MOZ_DIAGNOSTIC_ASSERT(mSource);
MOZ_DIAGNOSTIC_ASSERT(mSource == aThing);
mSource = nullptr;
}
void
ClientSourceChild::MaybeStartTeardown()
{
if (mTeardownStarted) {
return;
}
mTeardownStarted = true;
Unused << SendTeardown();
}
} // namespace dom
} // namespace mozilla