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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 "spotmaps.h" | |
36 | #include "google.h" | |
37 | #include "terraserver.h" | |
38 | #include "expedia.h" | |
39 | #include "osm.h" | |
40 | #include "osm-traces.h" | |
41 | #include "bluemarble.h" | |
42 | #include "geonames.h" | |
43 | #include "dir.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 | #define VIKING_MAPS_FILE "maps.xml" | |
63 | #define VIKING_EXTTOOLS_FILE "external_tools.xml" | |
64 | #define VIKING_DATASOURCES_FILE "datasources.xml" | |
65 | #define VIKING_GOTOTOOLS_FILE "goto_tools.xml" | |
66 | #define VIKING_ROUTING_FILE "routing.xml" | |
67 | ||
68 | static void | |
69 | modules_register_map_source(VikGobjectBuilder *self, GObject *object) | |
70 | { | |
71 | g_debug (__FUNCTION__); | |
72 | VikMapSource *mapsource = VIK_MAP_SOURCE (object); | |
73 | /* FIXME label should be hosted by object */ | |
74 | maps_layer_register_map_source (mapsource); | |
75 | } | |
76 | ||
77 | static void | |
78 | modules_register_exttools(VikGobjectBuilder *self, GObject *object) | |
79 | { | |
80 | g_debug (__FUNCTION__); | |
81 | VikExtTool *tool = VIK_EXT_TOOL (object); | |
82 | vik_ext_tools_register (tool); | |
83 | } | |
84 | ||
85 | static void | |
86 | modules_register_datasources(VikGobjectBuilder *self, GObject *object) | |
87 | { | |
88 | g_debug (__FUNCTION__); | |
89 | VikExtTool *tool = VIK_EXT_TOOL (object); | |
90 | vik_ext_tool_datasources_register (tool); | |
91 | } | |
92 | ||
93 | static void | |
94 | modules_register_gototools(VikGobjectBuilder *self, GObject *object) | |
95 | { | |
96 | g_debug (__FUNCTION__); | |
97 | VikGotoTool *tool = VIK_GOTO_TOOL (object); | |
98 | vik_goto_register (tool); | |
99 | } | |
100 | ||
101 | static void | |
102 | modules_register_routing_engine(VikGobjectBuilder *self, GObject *object) | |
103 | { | |
104 | g_debug (__FUNCTION__); | |
105 | VikRoutingEngine *engine = VIK_ROUTING_ENGINE (object); | |
106 | vik_routing_register (engine); | |
107 | } | |
108 | ||
109 | static void | |
110 | modules_load_config_dir(const gchar *dir) | |
111 | { | |
112 | g_debug("Loading configurations from directory %s", dir); | |
113 | ||
114 | /* Maps sources */ | |
115 | gchar *maps = g_build_filename(dir, VIKING_MAPS_FILE, NULL); | |
116 | if (g_access (maps, R_OK) == 0) | |
117 | { | |
118 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
119 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_map_source), NULL); | |
120 | vik_gobject_builder_parse (builder, maps); | |
121 | g_object_unref (builder); | |
122 | } | |
123 | ||
124 | /* External tools */ | |
125 | gchar *tools = g_build_filename(dir, VIKING_EXTTOOLS_FILE, NULL); | |
126 | if (g_access (tools, R_OK) == 0) | |
127 | { | |
128 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
129 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_exttools), NULL); | |
130 | vik_gobject_builder_parse (builder, tools); | |
131 | g_object_unref (builder); | |
132 | } | |
133 | ||
134 | gchar *datasources = g_build_filename(dir, VIKING_DATASOURCES_FILE, NULL); | |
135 | if (g_access (datasources, R_OK) == 0) | |
136 | { | |
137 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
138 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_datasources), NULL); | |
139 | vik_gobject_builder_parse (builder, datasources); | |
140 | g_object_unref (builder); | |
141 | } | |
142 | ||
143 | /* Go-to search engines */ | |
144 | gchar *go_to = g_build_filename(dir, VIKING_GOTOTOOLS_FILE, NULL); | |
145 | if (g_access (go_to, R_OK) == 0) | |
146 | { | |
147 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
148 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_gototools), NULL); | |
149 | vik_gobject_builder_parse (builder, go_to); | |
150 | g_object_unref (builder); | |
151 | } | |
152 | ||
153 | /* Routing engines */ | |
154 | gchar *routing = g_build_filename(dir, VIKING_ROUTING_FILE, NULL); | |
155 | if (g_access (routing, R_OK) == 0) | |
156 | { | |
157 | VikGobjectBuilder *builder = vik_gobject_builder_new (); | |
158 | g_signal_connect (builder, "new-object", G_CALLBACK (modules_register_routing_engine), NULL); | |
159 | vik_gobject_builder_parse (builder, routing); | |
160 | g_object_unref (builder); | |
161 | } | |
162 | } | |
163 | ||
164 | static void | |
165 | modules_load_config(void) | |
166 | { | |
167 | /* Look in the directories of data path */ | |
168 | gchar * * data_dirs = a_get_viking_data_path(); | |
169 | /* Priority is standard one: | |
170 | left element is more important than right one. | |
171 | But our logic is to load all existing files and overwrite | |
172 | overlapping config with last recent one. | |
173 | So, we have to process directories in reverse order. */ | |
174 | /* First: find the last element */ | |
175 | gchar * * ptr = data_dirs; | |
176 | while (*ptr != NULL) ptr++; | |
177 | /* Second: deduce the number of directories */ | |
178 | int nb_data_dirs = 0; | |
179 | nb_data_dirs = ptr - data_dirs; | |
180 | /* Last: parse them in reverse order */ | |
181 | for (; nb_data_dirs > 0 ; nb_data_dirs--) | |
182 | { | |
183 | modules_load_config_dir(data_dirs[nb_data_dirs-1]); | |
184 | } | |
185 | g_strfreev(data_dirs); | |
186 | ||
187 | /* Check if system config is set */ | |
188 | modules_load_config_dir(VIKING_SYSCONFDIR); | |
189 | ||
190 | const gchar *data_home = a_get_viking_data_home (); | |
191 | if (data_home) | |
192 | { | |
193 | modules_load_config_dir(data_home); | |
194 | } | |
195 | ||
196 | /* Check user's home config */ | |
197 | modules_load_config_dir(a_get_viking_dir()); | |
198 | } | |
199 | ||
200 | static void | |
201 | register_loadable_types(void) | |
202 | { | |
203 | /* Force registering of loadable types */ | |
204 | volatile GType types[] = { | |
205 | /* Maps */ | |
206 | VIK_TYPE_SLIPPY_MAP_SOURCE, | |
207 | VIK_TYPE_TMS_MAP_SOURCE, | |
208 | VIK_TYPE_WMSC_MAP_SOURCE, | |
209 | ||
210 | /* Goto */ | |
211 | VIK_GOTO_XML_TOOL_TYPE, | |
212 | ||
213 | /* Tools */ | |
214 | VIK_WEBTOOL_CENTER_TYPE, | |
215 | VIK_WEBTOOL_BOUNDS_TYPE, | |
216 | ||
217 | /* Datasource */ | |
218 | VIK_WEBTOOL_DATASOURCE_TYPE, | |
219 | ||
220 | /* Routing */ | |
221 | VIK_ROUTING_WEB_ENGINE_TYPE | |
222 | }; | |
223 | ||
224 | /* kill 'unused variable' warning */ | |
225 | g_debug("%ld types loaded", sizeof(types)/sizeof(GType)); | |
226 | } | |
227 | ||
228 | void modules_init() | |
229 | { | |
230 | #ifdef VIK_CONFIG_BING | |
231 | bing_init(); | |
232 | #endif | |
233 | #ifdef VIK_CONFIG_GOOGLE | |
234 | google_init(); | |
235 | #endif | |
236 | #ifdef VIK_CONFIG_EXPEDIA | |
237 | expedia_init(); | |
238 | #endif | |
239 | #ifdef VIK_CONFIG_TERRASERVER | |
240 | terraserver_init(); | |
241 | #endif | |
242 | #ifdef VIK_CONFIG_OPENSTREETMAP | |
243 | osm_init(); | |
244 | osm_traces_init(); | |
245 | #endif | |
246 | #ifdef VIK_CONFIG_BLUEMARBLE | |
247 | bluemarble_init(); | |
248 | #endif | |
249 | #ifdef VIK_CONFIG_GEONAMES | |
250 | geonames_init(); | |
251 | #endif | |
252 | #ifdef VIK_CONFIG_SPOTMAPS | |
253 | spotmaps_init(); | |
254 | #endif | |
255 | ||
256 | register_loadable_types (); | |
257 | ||
258 | /* As modules are loaded, we can load configuration files */ | |
259 | modules_load_config (); | |
260 | } | |
261 |