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

72 строки
1.9 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 "ClientHandleChild.h"
#include "ClientHandleOpChild.h"
#include "mozilla/dom/ClientIPCTypes.h"
namespace mozilla {
namespace dom {
using mozilla::ipc::IPCResult;
IPCResult ClientHandleChild::RecvExecutionReady(
const IPCClientInfo& aClientInfo) {
if (mHandle) {
mHandle->ExecutionReady(ClientInfo(aClientInfo));
}
return IPC_OK();
}
void ClientHandleChild::ActorDestroy(ActorDestroyReason aReason) {
if (mHandle) {
mHandle->RevokeActor(this);
// Revoking the actor link should automatically cause the owner
// to call RevokeOwner() as well.
MOZ_DIAGNOSTIC_ASSERT(!mHandle);
}
}
PClientHandleOpChild* ClientHandleChild::AllocPClientHandleOpChild(
const ClientOpConstructorArgs& aArgs) {
MOZ_ASSERT_UNREACHABLE("ClientHandleOpChild must be explicitly constructed.");
return nullptr;
}
bool ClientHandleChild::DeallocPClientHandleOpChild(
PClientHandleOpChild* aActor) {
delete aActor;
return true;
}
ClientHandleChild::ClientHandleChild()
: mHandle(nullptr), mTeardownStarted(false) {}
void ClientHandleChild::SetOwner(ClientThing<ClientHandleChild>* aThing) {
MOZ_DIAGNOSTIC_ASSERT(!mHandle);
mHandle = static_cast<ClientHandle*>(aThing);
MOZ_DIAGNOSTIC_ASSERT(mHandle);
}
void ClientHandleChild::RevokeOwner(ClientThing<ClientHandleChild>* aThing) {
MOZ_DIAGNOSTIC_ASSERT(mHandle);
MOZ_DIAGNOSTIC_ASSERT(mHandle == static_cast<ClientHandle*>(aThing));
mHandle = nullptr;
}
void ClientHandleChild::MaybeStartTeardown() {
if (mTeardownStarted) {
return;
}
mTeardownStarted = true;
Unused << SendTeardown();
}
} // namespace dom
} // namespace mozilla