зеркало из https://github.com/mozilla/gecko-dev.git
138 строки
7.6 KiB
C++
138 строки
7.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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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nsresult rv; \
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\
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_InstanceClass * inst; \
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\
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*aResult = nullptr; \
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if (nullptr != aOuter) { \
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rv = NS_ERROR_NO_AGGREGATION; \
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return rv; \
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} \
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\
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inst = new _InstanceClass(); \
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if (nullptr == inst) { \
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rv = NS_ERROR_OUT_OF_MEMORY; \
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return rv; \
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} \
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NS_ADDREF(inst); \
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rv = inst->QueryInterface(aIID, aResult); \
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NS_RELEASE(inst); \
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\
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return rv; \
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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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_InstanceClass * inst; \
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\
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*aResult = nullptr; \
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if (nullptr != aOuter) { \
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rv = NS_ERROR_NO_AGGREGATION; \
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return rv; \
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} \
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\
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inst = new _InstanceClass(); \
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if (nullptr == inst) { \
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rv = NS_ERROR_OUT_OF_MEMORY; \
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return rv; \
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} \
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NS_ADDREF(inst); \
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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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NS_RELEASE(inst); \
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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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nsresult rv; \
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\
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_InstanceClass * inst; \
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\
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*aResult = nullptr; \
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if (nullptr != aOuter) { \
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rv = NS_ERROR_NO_AGGREGATION; \
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return rv; \
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} \
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\
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inst = already_AddRefed<_InstanceClass>(_GetterProc()).take(); \
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if (nullptr == inst) { \
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rv = NS_ERROR_OUT_OF_MEMORY; \
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return rv; \
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} \
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/* NS_ADDREF(inst); */ \
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rv = inst->QueryInterface(aIID, aResult); \
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NS_RELEASE(inst); \
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\
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return rv; \
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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 MOZ_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)
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: mData(aData)
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{
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}
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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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#define NS_IMPL_MOZILLA192_NSGETMODULE(module) \
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extern "C" NS_EXPORT nsresult \
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NSGetModule(nsIComponentManager* aCompMgr, \
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nsIFile* aLocation, \
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nsIModule** aResult) \
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{ \
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*aResult = new mozilla::GenericModule(module); \
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NS_ADDREF(*aResult); \
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return NS_OK; \
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}
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#endif
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#endif // mozilla_GenericModule_h
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