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1 | /* | |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2006-2012, Guilhem Bonnefille <guilhem.bonnefille@gmail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifdef HAVE_CONFIG_H | |
23 | #include "config.h" | |
24 | #endif | |
25 | ||
26 | #include <glib.h> | |
27 | #include <glib/gstdio.h> | |
28 | #ifdef HAVE_UNISTD_H | |
29 | #include <unistd.h> | |
30 | #endif | |
31 | ||
32 | #include "modules.h" | |
33 | ||
34 | #include "bing.h" | |
35 | #include "google.h" | |
36 | #include "terraserver.h" | |
37 | #include "expedia.h" | |
38 | #include "osm.h" | |
39 | #include "osm-traces.h" | |
40 | #include "bluemarble.h" | |
41 | #include "geonames.h" | |
42 | #include "dir.h" | |
43 | #include "datasources.h" | |
44 | #include "vikmapslayer.h" | |
45 | #include "vikexttools.h" | |
46 | #include "vikexttool_datasources.h" | |
47 | #include "vikgoto.h" | |
48 | #include "vikrouting.h" | |
49 | ||
50 | /* Loadable types */ | |
51 | #include "vikslippymapsource.h" | |
52 | #include "viktmsmapsource.h" | |
53 | #include "vikwmscmapsource.h" | |
54 | #include "vikwebtoolcenter.h" | |
55 | #include "vikwebtoolbounds.h" | |
56 | #include "vikgotoxmltool.h" | |
57 | #include "vikwebtool_datasource.h" | |
58 | #include "vikroutingwebengine.h" | |
59 | ||
60 | #include "vikgobjectbuilder.h" | |
61 | ||
62 | #ifdef HAVE_LIBMAPNIK | |
63 | #include "vikmapniklayer.h" | |
64 | #endif | |
65 | ||
66 | #define VIKING_MAPS_FILE "maps.xml" | |
67 | #define VIKING_EXTTOOLS_FILE "external_tools.xml" | |
68 | #define VIKING_DATASOURCES_FILE "datasources.xml" | |
69 | #define VIKING_GOTOTOOLS_FILE "goto_tools.xml" | |
70 | #define VIKING_ROUTING_FILE "routing.xml" | |
71 | ||
72 | static void | |
73 | modules_register_map_source(VikGobjectBuilder *self, GObject *object) | |
74 | { | |
75 | g_debug (__FUNCTION__); | |
76 | VikMapSource *mapsource = VIK_MAP_SOURCE (object); | |
77 | /* FIXME label should be hosted by object */ | |
78 | maps_layer_register_map_source (mapsource); | |
79 | } | |
80 | ||
81 | static void | |
82 | modules_register_exttools(VikGobjectBuilder *self, GObject *object) | |
83 | { | |
84 | g_debug (__FUNCTION__); | |
85 | VikExtTool *tool = VIK_EXT_TOOL (object); | |
86 | vik_ext_tools_register (tool); | |
87 | } | |
88 | ||
89 | static void | |
90 | modules_register_datasources(VikGobjectBuilder *self, GObject *object) | |
91 | { | |
92 | g_debug (__FUNCTION__); | |
93 | VikExtTool *tool = VIK_EXT_TOOL (object); | |
94 | vik_ext_tool_datasources_register (tool); | |
95 | } | |
96 | ||
97 | static void | |
98 | modules_register_gototools(VikGobjectBuilder *self, GObject *object) | |
99 | { | |
100 | g_debug (__FUNCTION__); | |
101 | VikGotoTool *tool = VIK_GOTO_TOOL (object); | |
102 | vik_goto_register (tool); | |
103 | } | |
104 | ||
105 | static void | |
106 | modules_register_routing_engine(VikGobjectBuilder *self, GObject *object) | |
107 | { | |
108 | g_debug (__FUNCTION__); | |
109 | VikRoutingEngine *engine = VIK_ROUTING_ENGINE (object); | |
110 | vik_routing_register (engine); | |
111 | } | |
112 | ||
113 | static void | |
114 | modules_load_config_dir(const gchar *dir) | |
115 | { | |
116 | g_debug("Loading configurations from directory %s", dir); | |
117 | ||
118 | /* Maps sources */ | |
119 | gchar *maps = g_build_filename(dir, VIKING_MAPS_FILE, NULL); | |
120 | if (g_access (maps, R_OK) == 0) | |
121 | { | |
122 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
123 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_map_source), NULL); | |
124 | vik_gobject_builder_parse (builder, maps); | |
125 | g_object_unref (builder); | |
126 | } | |
127 | g_free ( maps ); | |
128 | ||
129 | /* External tools */ | |
130 | gchar *tools = g_build_filename(dir, VIKING_EXTTOOLS_FILE, NULL); | |
131 | if (g_access (tools, R_OK) == 0) | |
132 | { | |
133 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
134 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_exttools), NULL); | |
135 | vik_gobject_builder_parse (builder, tools); | |
136 | g_object_unref (builder); | |
137 | } | |
138 | g_free ( tools ); | |
139 | ||
140 | gchar *datasources = g_build_filename(dir, VIKING_DATASOURCES_FILE, NULL); | |
141 | if (g_access (datasources, R_OK) == 0) | |
142 | { | |
143 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
144 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_datasources), NULL); | |
145 | vik_gobject_builder_parse (builder, datasources); | |
146 | g_object_unref (builder); | |
147 | } | |
148 | g_free ( datasources ); | |
149 | ||
150 | /* Go-to search engines */ | |
151 | gchar *go_to = g_build_filename(dir, VIKING_GOTOTOOLS_FILE, NULL); | |
152 | if (g_access (go_to, R_OK) == 0) | |
153 | { | |
154 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
155 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_gototools), NULL); | |
156 | vik_gobject_builder_parse (builder, go_to); | |
157 | g_object_unref (builder); | |
158 | } | |
159 | g_free ( go_to ); | |
160 | ||
161 | /* Routing engines */ | |
162 | gchar *routing = g_build_filename(dir, VIKING_ROUTING_FILE, NULL); | |
163 | if (g_access (routing, R_OK) == 0) | |
164 | { | |
165 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
166 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_routing_engine), NULL); | |
167 | vik_gobject_builder_parse (builder, routing); | |
168 | g_object_unref (builder); | |
169 | } | |
170 | g_free ( routing ); | |
171 | } | |
172 | ||
173 | static void | |
174 | modules_load_config(void) | |
175 | { | |
176 | /* Look in the directories of data path */ | |
177 | gchar * * data_dirs = a_get_viking_data_path(); | |
178 | /* Priority is standard one: | |
179 | left element is more important than right one. | |
180 | But our logic is to load all existing files and overwrite | |
181 | overlapping config with last recent one. | |
182 | So, we have to process directories in reverse order. */ | |
183 | int nb_data_dirs = g_strv_length ( data_dirs ); | |
184 | for (; nb_data_dirs > 0 ; nb_data_dirs--) | |
185 | { | |
186 | modules_load_config_dir(data_dirs[nb_data_dirs-1]); | |
187 | } | |
188 | g_strfreev(data_dirs); | |
189 | ||
190 | /* Check if system config is set */ | |
191 | modules_load_config_dir(VIKING_SYSCONFDIR); | |
192 | ||
193 | const gchar *data_home = a_get_viking_data_home (); | |
194 | if (data_home) | |
195 | { | |
196 | modules_load_config_dir(data_home); | |
197 | } | |
198 | ||
199 | /* Check user's home config */ | |
200 | modules_load_config_dir(a_get_viking_dir()); | |
201 | } | |
202 | ||
203 | static void | |
204 | register_loadable_types(void) | |
205 | { | |
206 | /* Force registering of loadable types */ | |
207 | volatile GType types[] = { | |
208 | /* Maps */ | |
209 | VIK_TYPE_SLIPPY_MAP_SOURCE, | |
210 | VIK_TYPE_TMS_MAP_SOURCE, | |
211 | VIK_TYPE_WMSC_MAP_SOURCE, | |
212 | ||
213 | /* Goto */ | |
214 | VIK_GOTO_XML_TOOL_TYPE, | |
215 | ||
216 | /* Tools */ | |
217 | VIK_WEBTOOL_CENTER_TYPE, | |
218 | VIK_WEBTOOL_BOUNDS_TYPE, | |
219 | ||
220 | /* Datasource */ | |
221 | VIK_WEBTOOL_DATASOURCE_TYPE, | |
222 | ||
223 | /* Routing */ | |
224 | VIK_ROUTING_WEB_ENGINE_TYPE | |
225 | }; | |
226 | ||
227 | /* kill 'unused variable' + argument type warnings */ | |
228 | g_debug("%d types loaded", (int)sizeof(types)/(int)sizeof(GType)); | |
229 | } | |
230 | ||
231 | /** | |
232 | * First stage initialization | |
233 | * Can not use a_get_preferences() yet... | |
234 | * See comment in main.c | |
235 | */ | |
236 | void modules_init() | |
237 | { | |
238 | // OSM done first so this will be the default service for searching/routing/etc... | |
239 | #ifdef VIK_CONFIG_OPENSTREETMAP | |
240 | osm_init(); | |
241 | osm_traces_init(); | |
242 | #endif | |
243 | #ifdef VIK_CONFIG_BING | |
244 | bing_init(); | |
245 | #endif | |
246 | #ifdef VIK_CONFIG_GOOGLE | |
247 | google_init(); | |
248 | #endif | |
249 | #ifdef VIK_CONFIG_EXPEDIA | |
250 | expedia_init(); | |
251 | #endif | |
252 | #ifdef VIK_CONFIG_TERRASERVER | |
253 | terraserver_init(); | |
254 | #endif | |
255 | #ifdef VIK_CONFIG_BLUEMARBLE | |
256 | bluemarble_init(); | |
257 | #endif | |
258 | #ifdef VIK_CONFIG_GEONAMES | |
259 | geonames_init(); | |
260 | #endif | |
261 | #ifdef VIK_CONFIG_GEOCACHES | |
262 | a_datasource_gc_init(); | |
263 | #endif | |
264 | ||
265 | #ifdef HAVE_LIBMAPNIK | |
266 | vik_mapnik_layer_init(); | |
267 | #endif | |
268 | ||
269 | register_loadable_types (); | |
270 | ||
271 | /* As modules are loaded, we can load configuration files */ | |
272 | modules_load_config (); | |
273 | } | |
274 | ||
275 | /** | |
276 | * modules_post_init: | |
277 | * | |
278 | * Secondary stage initialization | |
279 | * Can now use a_get_preferences() and a_babel_available() | |
280 | */ | |
281 | void modules_post_init () | |
282 | { | |
283 | #ifdef VIK_CONFIG_GOOGLE | |
284 | google_post_init(); | |
285 | #endif | |
286 | #ifdef HAVE_LIBMAPNIK | |
287 | vik_mapnik_layer_post_init(); | |
288 | #endif | |
289 | } | |
290 | ||
291 | /** | |
292 | * | |
293 | */ | |
294 | void modules_uninit() | |
295 | { | |
296 | #ifdef VIK_CONFIG_OPENSTREETMAP | |
297 | osm_traces_uninit(); | |
298 | #endif | |
299 | #ifdef HAVE_LIBMAPNIK | |
300 | vik_mapnik_layer_uninit(); | |
301 | #endif | |
302 | } |