gecko-dev/xpcom/build/Services.cpp

76 строки
2.9 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 "mozilla/Likely.h"
#include "mozilla/Services.h"
#include "nsComponentManager.h"
#include "nsIObserverService.h"
#include "nsNetCID.h"
#include "nsObserverService.h"
#include "nsXPCOMPrivate.h"
#if !defined(MOZILLA_XPCOMRT_API)
#include "nsIIOService.h"
#include "nsIDirectoryService.h"
#ifdef ACCESSIBILITY
#include "nsIAccessibilityService.h"
#endif
#include "nsIChromeRegistry.h"
#include "nsIStringBundle.h"
#include "nsIToolkitChromeRegistry.h"
#include "nsIXULOverlayProvider.h"
#include "IHistory.h"
#include "nsIXPConnect.h"
#include "inIDOMUtils.h"
#include "nsIPermissionManager.h"
#include "nsIServiceWorkerManager.h"
#include "nsIAsyncShutdown.h"
#include "nsIUUIDGenerator.h"
#endif // !defined(MOZILLA_XPCOMRT_API)
using namespace mozilla;
using namespace mozilla::services;
/*
* Define a global variable and a getter for every service in ServiceList.
* eg. gIOService and GetIOService()
*/
#define MOZ_SERVICE(NAME, TYPE, CONTRACT_ID) \
static TYPE* g##NAME = nullptr; \
\
already_AddRefed<TYPE> \
mozilla::services::Get##NAME() \
{ \
if (MOZ_UNLIKELY(gXPCOMShuttingDown)) { \
return nullptr; \
} \
if (!g##NAME) { \
nsCOMPtr<TYPE> os = do_GetService(CONTRACT_ID); \
os.swap(g##NAME); \
} \
nsCOMPtr<TYPE> ret = g##NAME; \
return ret.forget(); \
} \
NS_EXPORT_(already_AddRefed<TYPE>) \
mozilla::services::_external_Get##NAME() \
{ \
return Get##NAME(); \
}
#include "ServiceList.h"
#undef MOZ_SERVICE
/**
* Clears service cache, sets gXPCOMShuttingDown
*/
void
mozilla::services::Shutdown()
{
gXPCOMShuttingDown = true;
#define MOZ_SERVICE(NAME, TYPE, CONTRACT_ID) NS_IF_RELEASE(g##NAME);
#include "ServiceList.h"
#undef MOZ_SERVICE
}