From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- xpcom/components/ModuleUtils.h | 98 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 xpcom/components/ModuleUtils.h (limited to 'xpcom/components/ModuleUtils.h') diff --git a/xpcom/components/ModuleUtils.h b/xpcom/components/ModuleUtils.h new file mode 100644 index 000000000..9c31ed76b --- /dev/null +++ b/xpcom/components/ModuleUtils.h @@ -0,0 +1,98 @@ +/* -*- 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/. */ + +#ifndef mozilla_GenericModule_h +#define mozilla_GenericModule_h + +#include "mozilla/Attributes.h" +#include "mozilla/Module.h" + +#define NS_GENERIC_FACTORY_CONSTRUCTOR(_InstanceClass) \ +static nsresult \ +_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \ + void **aResult) \ +{ \ + RefPtr<_InstanceClass> inst; \ + \ + *aResult = nullptr; \ + if (nullptr != aOuter) { \ + return NS_ERROR_NO_AGGREGATION; \ + } \ + \ + inst = new _InstanceClass(); \ + return inst->QueryInterface(aIID, aResult); \ +} + +#define NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(_InstanceClass, _InitMethod) \ +static nsresult \ +_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \ + void **aResult) \ +{ \ + nsresult rv; \ + \ + RefPtr<_InstanceClass> inst; \ + \ + *aResult = nullptr; \ + if (nullptr != aOuter) { \ + return NS_ERROR_NO_AGGREGATION; \ + } \ + \ + inst = new _InstanceClass(); \ + rv = inst->_InitMethod(); \ + if (NS_SUCCEEDED(rv)) { \ + rv = inst->QueryInterface(aIID, aResult); \ + } \ + \ + return rv; \ +} + +// 'Constructor' that uses an existing getter function that gets a singleton. +// NOTE: assumes that getter does an AddRef - so additional AddRef is not done. +#define NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(_InstanceClass, _GetterProc) \ +static nsresult \ +_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \ + void **aResult) \ +{ \ + RefPtr<_InstanceClass> inst; \ + \ + *aResult = nullptr; \ + if (nullptr != aOuter) { \ + return NS_ERROR_NO_AGGREGATION; \ + } \ + \ + inst = already_AddRefed<_InstanceClass>(_GetterProc()); \ + if (nullptr == inst) { \ + return NS_ERROR_OUT_OF_MEMORY; \ + } \ + return inst->QueryInterface(aIID, aResult); \ +} + +#ifndef MOZILLA_INTERNAL_API + +#include "nsIModule.h" +#include "nsISupportsUtils.h" + +namespace mozilla { + +class GenericModule final : public nsIModule +{ + ~GenericModule() {} + +public: + explicit GenericModule(const mozilla::Module* aData) : mData(aData) {} + + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_NSIMODULE + +private: + const mozilla::Module* mData; +}; + +} // namespace mozilla + +#endif + +#endif // mozilla_GenericModule_h -- cgit v1.2.3