98 lines
5.0 KiB
C++
98 lines
5.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_GenericModule_h
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#define mozilla_GenericModule_h
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#include "mozilla/Attributes.h"
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#include "mozilla/Module.h"
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#define NS_GENERIC_FACTORY_CONSTRUCTOR(_InstanceClass) \
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static nsresult \
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_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \
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void **aResult) \
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{ \
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RefPtr<_InstanceClass> inst; \
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\
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*aResult = nullptr; \
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if (nullptr != aOuter) { \
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return NS_ERROR_NO_AGGREGATION; \
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} \
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\
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inst = new _InstanceClass(); \
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return inst->QueryInterface(aIID, aResult); \
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}
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#define NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(_InstanceClass, _InitMethod) \
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static nsresult \
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_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \
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void **aResult) \
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{ \
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nsresult rv; \
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\
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RefPtr<_InstanceClass> inst; \
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\
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*aResult = nullptr; \
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if (nullptr != aOuter) { \
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return NS_ERROR_NO_AGGREGATION; \
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} \
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\
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inst = new _InstanceClass(); \
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rv = inst->_InitMethod(); \
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if (NS_SUCCEEDED(rv)) { \
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rv = inst->QueryInterface(aIID, aResult); \
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} \
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\
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return rv; \
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}
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// 'Constructor' that uses an existing getter function that gets a singleton.
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// NOTE: assumes that getter does an AddRef - so additional AddRef is not done.
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#define NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(_InstanceClass, _GetterProc) \
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static nsresult \
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_InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \
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void **aResult) \
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{ \
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RefPtr<_InstanceClass> inst; \
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\
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*aResult = nullptr; \
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if (nullptr != aOuter) { \
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return NS_ERROR_NO_AGGREGATION; \
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} \
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\
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inst = already_AddRefed<_InstanceClass>(_GetterProc()); \
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if (nullptr == inst) { \
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return NS_ERROR_OUT_OF_MEMORY; \
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} \
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return inst->QueryInterface(aIID, aResult); \
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}
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#ifndef MOZILLA_INTERNAL_API
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#include "nsIModule.h"
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#include "nsISupportsUtils.h"
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namespace mozilla {
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class GenericModule final : public nsIModule
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{
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~GenericModule() {}
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public:
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explicit GenericModule(const mozilla::Module* aData) : mData(aData) {}
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIMODULE
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private:
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const mozilla::Module* mData;
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};
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} // namespace mozilla
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#endif
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#endif // mozilla_GenericModule_h
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