1 /*
2  * peas-engine.h
3  * This file is part of libpeas
4  *
5  * Copyright (C) 2002-2005 - Paolo Maggi
6  *
7  * libpeas is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * libpeas is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA.
20  */
21 
22 #ifndef __PEAS_ENGINE_H__
23 #define __PEAS_ENGINE_H__
24 
25 #include <glib.h>
26 
27 #include "peas-plugin-info.h"
28 #include "peas-extension.h"
29 #include "peas-version-macros.h"
30 
31 G_BEGIN_DECLS
32 
33 #define PEAS_TYPE_ENGINE              (peas_engine_get_type ())
34 #define PEAS_ENGINE(obj)              (G_TYPE_CHECK_INSTANCE_CAST((obj), PEAS_TYPE_ENGINE, PeasEngine))
35 #define PEAS_ENGINE_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST((klass), PEAS_TYPE_ENGINE, PeasEngineClass))
36 #define PEAS_IS_ENGINE(obj)           (G_TYPE_CHECK_INSTANCE_TYPE((obj), PEAS_TYPE_ENGINE))
37 #define PEAS_IS_ENGINE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), PEAS_TYPE_ENGINE))
38 #define PEAS_ENGINE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS((obj), PEAS_TYPE_ENGINE, PeasEngineClass))
39 
40 typedef struct _PeasEngine         PeasEngine;
41 typedef struct _PeasEngineClass    PeasEngineClass;
42 typedef struct _PeasEnginePrivate  PeasEnginePrivate;
43 
44 /**
45  * PeasEngine:
46  *
47  * The #PeasEngine structure contains only private data and should only be
48  * accessed using the provided API.
49  */
50 struct _PeasEngine {
51   GObject parent;
52 
53   /*< private > */
54   PeasEnginePrivate *priv;
55 };
56 
57 /**
58  * PeasEngineClass:
59  * @parent_class: The parent class.
60  * @load_plugin: Signal class handler for the #PeasEngine::load-plugin signal.
61  * @unload_plugin: Signal class handler for the #PeasEngine::unload-plugin signal.
62  *
63  * Class structure for #PeasEngine.
64  */
65 struct _PeasEngineClass {
66   GObjectClass parent_class;
67 
68   void     (*load_plugin)                 (PeasEngine     *engine,
69                                            PeasPluginInfo *info);
70 
71   void     (*unload_plugin)               (PeasEngine     *engine,
72                                            PeasPluginInfo *info);
73 
74   /*< private >*/
75   gpointer padding[8];
76 };
77 
78 PEAS_AVAILABLE_IN_ALL
79 GType             peas_engine_get_type            (void) G_GNUC_CONST;
80 PEAS_AVAILABLE_IN_ALL
81 PeasEngine       *peas_engine_new                 (void);
82 PEAS_AVAILABLE_IN_ALL
83 PeasEngine       *peas_engine_new_with_nonglobal_loaders
84                                                   (void);
85 PEAS_AVAILABLE_IN_ALL
86 PeasEngine       *peas_engine_get_default         (void);
87 
88 PEAS_AVAILABLE_IN_ALL
89 void              peas_engine_add_search_path     (PeasEngine      *engine,
90                                                    const gchar     *module_dir,
91                                                    const gchar     *data_dir);
92 PEAS_AVAILABLE_IN_ALL
93 void              peas_engine_prepend_search_path (PeasEngine      *engine,
94                                                    const gchar     *module_dir,
95                                                    const gchar     *data_dir);
96 
97 /* plugin management */
98 PEAS_AVAILABLE_IN_ALL
99 void              peas_engine_enable_loader       (PeasEngine      *engine,
100                                                    const gchar     *loader_name);
101 PEAS_AVAILABLE_IN_ALL
102 void              peas_engine_rescan_plugins      (PeasEngine      *engine);
103 PEAS_AVAILABLE_IN_ALL
104 const GList      *peas_engine_get_plugin_list     (PeasEngine      *engine);
105 PEAS_AVAILABLE_IN_ALL
106 gchar           **peas_engine_get_loaded_plugins  (PeasEngine      *engine);
107 PEAS_AVAILABLE_IN_ALL
108 void              peas_engine_set_loaded_plugins  (PeasEngine      *engine,
109                                                    const gchar    **plugin_names);
110 PEAS_AVAILABLE_IN_ALL
111 PeasPluginInfo   *peas_engine_get_plugin_info     (PeasEngine      *engine,
112                                                    const gchar     *plugin_name);
113 
114 /* plugin loading and unloading */
115 PEAS_AVAILABLE_IN_ALL
116 gboolean          peas_engine_load_plugin         (PeasEngine      *engine,
117                                                    PeasPluginInfo  *info);
118 PEAS_AVAILABLE_IN_ALL
119 gboolean          peas_engine_unload_plugin       (PeasEngine      *engine,
120                                                    PeasPluginInfo  *info);
121 PEAS_AVAILABLE_IN_ALL
122 void              peas_engine_garbage_collect     (PeasEngine      *engine);
123 
124 PEAS_AVAILABLE_IN_ALL
125 gboolean          peas_engine_provides_extension  (PeasEngine      *engine,
126                                                    PeasPluginInfo  *info,
127                                                    GType            extension_type);
128 
129 
130 G_GNUC_BEGIN_IGNORE_DEPRECATIONS
131 PEAS_AVAILABLE_IN_ALL
132 PeasExtension    *peas_engine_create_extensionv   (PeasEngine      *engine,
133                                                    PeasPluginInfo  *info,
134                                                    GType            extension_type,
135                                                    guint            n_parameters,
136                                                    GParameter      *parameters);
137 G_GNUC_END_IGNORE_DEPRECATIONS
138 
139 PEAS_AVAILABLE_IN_1_24
140 PeasExtension    *peas_engine_create_extension_with_properties
141                                                   (PeasEngine     *engine,
142                                                    PeasPluginInfo *info,
143                                                    GType           extension_type,
144                                                    guint           n_properties,
145                                                    const gchar   **prop_names,
146                                                    const GValue   *prop_values);
147 
148 PEAS_AVAILABLE_IN_ALL
149 PeasExtension    *peas_engine_create_extension_valist
150                                                   (PeasEngine      *engine,
151                                                    PeasPluginInfo  *info,
152                                                    GType            extension_type,
153                                                    const gchar     *first_property,
154                                                    va_list          var_args);
155 PEAS_AVAILABLE_IN_ALL
156 PeasExtension    *peas_engine_create_extension    (PeasEngine      *engine,
157                                                    PeasPluginInfo  *info,
158                                                    GType            extension_type,
159                                                    const gchar     *first_property,
160                                                    ...);
161 
162 
163 G_END_DECLS
164 
165 #endif /* __PEAS_ENGINE_H__ */
166