зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.7 KiB
C++
78 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 nsServiceManagerUtils_h__
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#define nsServiceManagerUtils_h__
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#include "nsIServiceManager.h"
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#include "nsCOMPtr.h"
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#include "nsString.h"
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inline const nsGetServiceByCID do_GetService(const nsCID& aCID) {
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return nsGetServiceByCID(aCID);
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}
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inline const nsGetServiceByCIDWithError do_GetService(const nsCID& aCID,
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nsresult* aError) {
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return nsGetServiceByCIDWithError(aCID, aError);
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}
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inline const nsGetServiceByContractID do_GetService(const char* aContractID) {
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return nsGetServiceByContractID(aContractID);
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}
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inline const nsGetServiceByContractIDWithError do_GetService(
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const char* aContractID, nsresult* aError) {
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return nsGetServiceByContractIDWithError(aContractID, aError);
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}
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class MOZ_STACK_CLASS nsGetServiceFromCategory final : public nsCOMPtr_helper {
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public:
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nsGetServiceFromCategory(const nsACString& aCategory,
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const nsACString& aEntry, nsresult* aErrorPtr)
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: mCategory(aCategory), mEntry(aEntry), mErrorPtr(aErrorPtr) {}
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virtual nsresult NS_FASTCALL operator()(const nsIID&, void**) const override;
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protected:
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const nsCString mCategory;
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const nsCString mEntry;
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nsresult* mErrorPtr;
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};
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inline const nsGetServiceFromCategory do_GetServiceFromCategory(
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const nsACString& aCategory, const nsACString& aEntry,
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nsresult* aError = 0) {
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return nsGetServiceFromCategory(aCategory, aEntry, aError);
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}
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nsresult CallGetService(const nsCID& aClass, const nsIID& aIID, void** aResult);
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nsresult CallGetService(const char* aContractID, const nsIID& aIID,
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void** aResult);
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// type-safe shortcuts for calling |GetService|
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template <class DestinationType>
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inline nsresult CallGetService(const nsCID& aClass,
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DestinationType** aDestination) {
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MOZ_ASSERT(aDestination, "null parameter");
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return CallGetService(aClass, NS_GET_TEMPLATE_IID(DestinationType),
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reinterpret_cast<void**>(aDestination));
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}
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template <class DestinationType>
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inline nsresult CallGetService(const char* aContractID,
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DestinationType** aDestination) {
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MOZ_ASSERT(aContractID, "null parameter");
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MOZ_ASSERT(aDestination, "null parameter");
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return CallGetService(aContractID, NS_GET_TEMPLATE_IID(DestinationType),
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reinterpret_cast<void**>(aDestination));
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}
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#endif
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