notifier_callback.hh

00001 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
00002 
00003 /*
00004  * Copyright (c) 2009 Ciaran McCreesh
00005  *
00006  * This file is part of the Paludis package manager. Paludis is free software;
00007  * you can redistribute it and/or modify it under the terms of the GNU General
00008  * Public License version 2, as published by the Free Software Foundation.
00009  *
00010  * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
00011  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00012  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
00013  * details.
00014  *
00015  * You should have received a copy of the GNU General Public License along with
00016  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00017  * Place, Suite 330, Boston, MA  02111-1307  USA
00018  */
00019 
00020 #ifndef PALUDIS_GUARD_PALUDIS_NOTIFIER_CALLBACK_HH
00021 #define PALUDIS_GUARD_PALUDIS_NOTIFIER_CALLBACK_HH 1
00022 
00023 #include <paludis/notifier_callback-fwd.hh>
00024 #include <paludis/util/private_implementation_pattern.hh>
00025 #include <paludis/util/simple_visitor.hh>
00026 #include <paludis/util/type_list.hh>
00027 #include <paludis/name.hh>
00028 #include <paludis/environment-fwd.hh>
00029 
00030 namespace paludis
00031 {
00032     class PALUDIS_VISIBLE NotifierCallbackEvent :
00033         public virtual DeclareAbstractAcceptMethods<NotifierCallbackEvent, MakeTypeList<
00034             NotifierCallbackGeneratingMetadataEvent,
00035             NotifierCallbackResolverStepEvent>::Type>
00036     {
00037     };
00038 
00039     class PALUDIS_VISIBLE NotifierCallbackGeneratingMetadataEvent :
00040         public NotifierCallbackEvent,
00041         public ImplementAcceptMethods<NotifierCallbackEvent, NotifierCallbackGeneratingMetadataEvent>
00042     {
00043         private:
00044             const RepositoryName _repo;
00045 
00046         public:
00047             NotifierCallbackGeneratingMetadataEvent(const RepositoryName & r);
00048 
00049             const RepositoryName repository() const PALUDIS_ATTRIBUTE((warn_unused_result));
00050     };
00051 
00052     class PALUDIS_VISIBLE NotifierCallbackResolverStepEvent :
00053         public NotifierCallbackEvent,
00054         public ImplementAcceptMethods<NotifierCallbackEvent, NotifierCallbackResolverStepEvent>
00055     {
00056     };
00057 
00058     class PALUDIS_VISIBLE ScopedNotifierCallback :
00059         private PrivateImplementationPattern<ScopedNotifierCallback>
00060     {
00061         public:
00062             ScopedNotifierCallback(Environment * const, const NotifierCallbackFunction &);
00063             ~ScopedNotifierCallback();
00064 
00065             void remove_now();
00066     };
00067 
00068 #ifdef PALUDIS_HAVE_EXTERN_TEMPLATE
00069     extern template class PrivateImplementationPattern<ScopedNotifierCallback>;
00070 #endif
00071 
00072 }
00073 
00074 #endif

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