The Tor Browser / file comparison
comparison: xpcom/components/ModuleUtils.h
xpcom/components/ModuleUtils.h
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
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| -1:000000000000 | 0:034e8677244e |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef mozilla_GenericModule_h | |
| 7 #define mozilla_GenericModule_h | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "mozilla/Module.h" | |
| 11 | |
| 12 #define NS_GENERIC_FACTORY_CONSTRUCTOR(_InstanceClass) \ | |
| 13 static nsresult \ | |
| 14 _InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \ | |
| 15 void **aResult) \ | |
| 16 { \ | |
| 17 nsresult rv; \ | |
| 18 \ | |
| 19 _InstanceClass * inst; \ | |
| 20 \ | |
| 21 *aResult = nullptr; \ | |
| 22 if (nullptr != aOuter) { \ | |
| 23 rv = NS_ERROR_NO_AGGREGATION; \ | |
| 24 return rv; \ | |
| 25 } \ | |
| 26 \ | |
| 27 inst = new _InstanceClass(); \ | |
| 28 if (nullptr == inst) { \ | |
| 29 rv = NS_ERROR_OUT_OF_MEMORY; \ | |
| 30 return rv; \ | |
| 31 } \ | |
| 32 NS_ADDREF(inst); \ | |
| 33 rv = inst->QueryInterface(aIID, aResult); \ | |
| 34 NS_RELEASE(inst); \ | |
| 35 \ | |
| 36 return rv; \ | |
| 37 } | |
| 38 | |
| 39 #define NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(_InstanceClass, _InitMethod) \ | |
| 40 static nsresult \ | |
| 41 _InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \ | |
| 42 void **aResult) \ | |
| 43 { \ | |
| 44 nsresult rv; \ | |
| 45 \ | |
| 46 _InstanceClass * inst; \ | |
| 47 \ | |
| 48 *aResult = nullptr; \ | |
| 49 if (nullptr != aOuter) { \ | |
| 50 rv = NS_ERROR_NO_AGGREGATION; \ | |
| 51 return rv; \ | |
| 52 } \ | |
| 53 \ | |
| 54 inst = new _InstanceClass(); \ | |
| 55 if (nullptr == inst) { \ | |
| 56 rv = NS_ERROR_OUT_OF_MEMORY; \ | |
| 57 return rv; \ | |
| 58 } \ | |
| 59 NS_ADDREF(inst); \ | |
| 60 rv = inst->_InitMethod(); \ | |
| 61 if(NS_SUCCEEDED(rv)) { \ | |
| 62 rv = inst->QueryInterface(aIID, aResult); \ | |
| 63 } \ | |
| 64 NS_RELEASE(inst); \ | |
| 65 \ | |
| 66 return rv; \ | |
| 67 } | |
| 68 | |
| 69 // 'Constructor' that uses an existing getter function that gets a singleton. | |
| 70 // NOTE: assumes that getter does an AddRef - so additional AddRef is not done. | |
| 71 #define NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(_InstanceClass, _GetterProc) \ | |
| 72 static nsresult \ | |
| 73 _InstanceClass##Constructor(nsISupports *aOuter, REFNSIID aIID, \ | |
| 74 void **aResult) \ | |
| 75 { \ | |
| 76 nsresult rv; \ | |
| 77 \ | |
| 78 _InstanceClass * inst; \ | |
| 79 \ | |
| 80 *aResult = nullptr; \ | |
| 81 if (nullptr != aOuter) { \ | |
| 82 rv = NS_ERROR_NO_AGGREGATION; \ | |
| 83 return rv; \ | |
| 84 } \ | |
| 85 \ | |
| 86 inst = already_AddRefed<_InstanceClass>(_GetterProc()).take(); \ | |
| 87 if (nullptr == inst) { \ | |
| 88 rv = NS_ERROR_OUT_OF_MEMORY; \ | |
| 89 return rv; \ | |
| 90 } \ | |
| 91 /* NS_ADDREF(inst); */ \ | |
| 92 rv = inst->QueryInterface(aIID, aResult); \ | |
| 93 NS_RELEASE(inst); \ | |
| 94 \ | |
| 95 return rv; \ | |
| 96 } | |
| 97 | |
| 98 #ifndef MOZILLA_INTERNAL_API | |
| 99 | |
| 100 #include "nsIModule.h" | |
| 101 #include "nsISupportsUtils.h" | |
| 102 | |
| 103 namespace mozilla { | |
| 104 | |
| 105 class GenericModule MOZ_FINAL : public nsIModule | |
| 106 { | |
| 107 public: | |
| 108 GenericModule(const mozilla::Module* aData) | |
| 109 : mData(aData) | |
| 110 { | |
| 111 } | |
| 112 | |
| 113 NS_DECL_THREADSAFE_ISUPPORTS | |
| 114 NS_DECL_NSIMODULE | |
| 115 | |
| 116 private: | |
| 117 const mozilla::Module* mData; | |
| 118 }; | |
| 119 | |
| 120 } // namespace mozilla | |
| 121 | |
| 122 #define NS_IMPL_MOZILLA192_NSGETMODULE(module) \ | |
| 123 extern "C" NS_EXPORT nsresult \ | |
| 124 NSGetModule(nsIComponentManager* aCompMgr, \ | |
| 125 nsIFile* aLocation, \ | |
| 126 nsIModule** aResult) \ | |
| 127 { \ | |
| 128 *aResult = new mozilla::GenericModule(module); \ | |
| 129 NS_ADDREF(*aResult); \ | |
| 130 return NS_OK; \ | |
| 131 } | |
| 132 | |
| 133 #endif | |
| 134 | |
| 135 #endif // mozilla_GenericModule_h |
