1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 #ifndef mozilla_GenericFactory_h
8 #define mozilla_GenericFactory_h
9 
10 #include "mozilla/Attributes.h"
11 
12 #include "mozilla/Module.h"
13 
14 namespace mozilla {
15 
16 /**
17  * A generic factory which uses a constructor function to create instances.
18  * This class is intended for use by the component manager and the generic
19  * module.
20  */
21 class GenericFactory final : public nsIFactory
22 {
~GenericFactory()23   ~GenericFactory() {}
24 
25 public:
26   typedef Module::ConstructorProcPtr ConstructorProcPtr;
27 
28   NS_DECL_THREADSAFE_ISUPPORTS
29   NS_DECL_NSIFACTORY
30 
GenericFactory(ConstructorProcPtr aCtor)31   explicit GenericFactory(ConstructorProcPtr aCtor)
32     : mCtor(aCtor)
33   {
34     NS_ASSERTION(mCtor, "GenericFactory with no constructor");
35   }
36 
37 private:
38   ConstructorProcPtr mCtor;
39 };
40 
41 } // namespace mozilla
42 
43 #endif // mozilla_GenericFactory_h
44