gecko-dev/dom/bluetooth/ipc/BluetoothChild.cpp
2013-07-08 11:48:39 -04:00

170 lines
3.8 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=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 "base/basictypes.h"
#include "BluetoothChild.h"
#include "mozilla/Assertions.h"
#include "nsDebug.h"
#include "nsThreadUtils.h"
#include "nsTraceRefcnt.h"
#include "BluetoothReplyRunnable.h"
#include "BluetoothService.h"
#include "BluetoothServiceChildProcess.h"
USING_BLUETOOTH_NAMESPACE
namespace {
BluetoothServiceChildProcess* gBluetoothService;
} // anonymous namespace
/*******************************************************************************
* BluetoothChild
******************************************************************************/
BluetoothChild::BluetoothChild(BluetoothServiceChildProcess* aBluetoothService)
: mShutdownState(Running)
{
MOZ_COUNT_CTOR(BluetoothChild);
MOZ_ASSERT(!gBluetoothService);
MOZ_ASSERT(aBluetoothService);
gBluetoothService = aBluetoothService;
}
BluetoothChild::~BluetoothChild()
{
MOZ_COUNT_DTOR(BluetoothChild);
MOZ_ASSERT(gBluetoothService);
MOZ_ASSERT(mShutdownState == Dead);
gBluetoothService = nullptr;
}
void
BluetoothChild::BeginShutdown()
{
// Only do something here if we haven't yet begun the shutdown sequence.
if (mShutdownState == Running) {
SendStopNotifying();
mShutdownState = SentStopNotifying;
}
}
void
BluetoothChild::ActorDestroy(ActorDestroyReason aWhy)
{
MOZ_ASSERT(gBluetoothService);
gBluetoothService->NoteDeadActor();
#ifdef DEBUG
mShutdownState = Dead;
#endif
}
bool
BluetoothChild::RecvNotify(const BluetoothSignal& aSignal)
{
MOZ_ASSERT(gBluetoothService);
gBluetoothService->DistributeSignal(aSignal);
return true;
}
bool
BluetoothChild::RecvEnabled(const bool& aEnabled)
{
MOZ_ASSERT(gBluetoothService);
gBluetoothService->SetEnabled(aEnabled);
return true;
}
bool
BluetoothChild::RecvBeginShutdown()
{
if (mShutdownState != Running && mShutdownState != SentStopNotifying) {
MOZ_ASSERT(false, "Bad state!");
return false;
}
SendStopNotifying();
mShutdownState = SentStopNotifying;
return true;
}
bool
BluetoothChild::RecvNotificationsStopped()
{
if (mShutdownState != SentStopNotifying) {
MOZ_ASSERT(false, "Bad state!");
return false;
}
Send__delete__(this);
return true;
}
PBluetoothRequestChild*
BluetoothChild::AllocPBluetoothRequestChild(const Request& aRequest)
{
MOZ_CRASH("Caller is supposed to manually construct a request!");
}
bool
BluetoothChild::DeallocPBluetoothRequestChild(PBluetoothRequestChild* aActor)
{
delete aActor;
return true;
}
/*******************************************************************************
* BluetoothRequestChild
******************************************************************************/
BluetoothRequestChild::BluetoothRequestChild(
BluetoothReplyRunnable* aReplyRunnable)
: mReplyRunnable(aReplyRunnable)
{
MOZ_COUNT_CTOR(BluetoothRequestChild);
MOZ_ASSERT(aReplyRunnable);
}
BluetoothRequestChild::~BluetoothRequestChild()
{
MOZ_COUNT_DTOR(BluetoothRequestChild);
}
void
BluetoothRequestChild::ActorDestroy(ActorDestroyReason aWhy)
{
// Nothing needed here.
}
bool
BluetoothRequestChild::Recv__delete__(const BluetoothReply& aReply)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mReplyRunnable);
nsRefPtr<BluetoothReplyRunnable> replyRunnable;
mReplyRunnable.swap(replyRunnable);
if (replyRunnable) {
// XXXbent Need to fix this, it copies unnecessarily.
replyRunnable->SetReply(new BluetoothReply(aReply));
return NS_SUCCEEDED(NS_DispatchToCurrentThread(replyRunnable));
}
return true;
}