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1 | /* | |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2009, 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 "vikgototool.h" | |
27 | #include "util.h" | |
28 | #include "curl_download.h" | |
29 | ||
30 | #include <string.h> | |
31 | ||
32 | #include <glib.h> | |
33 | #include <glib/gi18n.h> | |
34 | #include <glib/gstdio.h> | |
35 | ||
36 | static void goto_tool_class_init ( VikGotoToolClass *klass ); | |
37 | static void goto_tool_init ( VikGotoTool *vlp ); | |
38 | ||
39 | static GObjectClass *parent_class; | |
40 | ||
41 | static void goto_tool_finalize ( GObject *gob ); | |
42 | static gchar *goto_tool_get_label ( VikGotoTool *vw ); | |
43 | static DownloadMapOptions *goto_tool_get_download_options ( VikGotoTool *self ); | |
44 | ||
45 | typedef struct _VikGotoToolPrivate VikGotoToolPrivate; | |
46 | ||
47 | struct _VikGotoToolPrivate | |
48 | { | |
49 | gint id; | |
50 | gchar *label; | |
51 | }; | |
52 | ||
53 | #define GOTO_TOOL_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), \ | |
54 | VIK_GOTO_TOOL_TYPE, \ | |
55 | VikGotoToolPrivate)) | |
56 | ||
57 | GType vik_goto_tool_get_type() | |
58 | { | |
59 | static GType w_type = 0; | |
60 | ||
61 | if (!w_type) | |
62 | { | |
63 | static const GTypeInfo w_info = | |
64 | { | |
65 | sizeof (VikGotoToolClass), | |
66 | NULL, /* base_init */ | |
67 | NULL, /* base_finalize */ | |
68 | (GClassInitFunc) goto_tool_class_init, | |
69 | NULL, /* class_finalize */ | |
70 | NULL, /* class_data */ | |
71 | sizeof (VikGotoTool), | |
72 | 0, | |
73 | (GInstanceInitFunc) goto_tool_init, | |
74 | }; | |
75 | w_type = g_type_register_static ( G_TYPE_OBJECT, "VikGotoTool", &w_info, G_TYPE_FLAG_ABSTRACT ); | |
76 | } | |
77 | ||
78 | return w_type; | |
79 | } | |
80 | ||
81 | enum | |
82 | { | |
83 | PROP_0, | |
84 | ||
85 | PROP_ID, | |
86 | PROP_LABEL, | |
87 | }; | |
88 | ||
89 | static void | |
90 | goto_tool_set_property (GObject *object, | |
91 | guint property_id, | |
92 | const GValue *value, | |
93 | GParamSpec *pspec) | |
94 | { | |
95 | VikGotoTool *self = VIK_GOTO_TOOL (object); | |
96 | VikGotoToolPrivate *priv = GOTO_TOOL_GET_PRIVATE (self); | |
97 | ||
98 | switch (property_id) | |
99 | { | |
100 | case PROP_ID: | |
101 | priv->id = g_value_get_uint (value); | |
102 | g_debug ("VikGotoTool.id: %d", priv->id); | |
103 | break; | |
104 | ||
105 | case PROP_LABEL: | |
106 | g_free (priv->label); | |
107 | priv->label = g_value_dup_string (value); | |
108 | g_debug ("VikGotoTool.label: %s", priv->label); | |
109 | break; | |
110 | ||
111 | default: | |
112 | /* We don't have any other property... */ | |
113 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
114 | break; | |
115 | } | |
116 | } | |
117 | ||
118 | static void | |
119 | goto_tool_get_property (GObject *object, | |
120 | guint property_id, | |
121 | GValue *value, | |
122 | GParamSpec *pspec) | |
123 | { | |
124 | VikGotoTool *self = VIK_GOTO_TOOL (object); | |
125 | VikGotoToolPrivate *priv = GOTO_TOOL_GET_PRIVATE (self); | |
126 | ||
127 | switch (property_id) | |
128 | { | |
129 | case PROP_ID: | |
130 | g_value_set_uint (value, priv->id); | |
131 | break; | |
132 | ||
133 | case PROP_LABEL: | |
134 | g_value_set_string (value, priv->label); | |
135 | break; | |
136 | ||
137 | default: | |
138 | /* We don't have any other property... */ | |
139 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); | |
140 | break; | |
141 | } | |
142 | } | |
143 | ||
144 | static void goto_tool_class_init ( VikGotoToolClass *klass ) | |
145 | { | |
146 | GObjectClass *gobject_class; | |
147 | GParamSpec *pspec; | |
148 | ||
149 | gobject_class = G_OBJECT_CLASS (klass); | |
150 | gobject_class->finalize = goto_tool_finalize; | |
151 | gobject_class->set_property = goto_tool_set_property; | |
152 | gobject_class->get_property = goto_tool_get_property; | |
153 | ||
154 | pspec = g_param_spec_string ("label", | |
155 | "Label", | |
156 | "Set the label", | |
157 | "<no-set>" /* default value */, | |
158 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
159 | g_object_class_install_property (gobject_class, | |
160 | PROP_LABEL, | |
161 | pspec); | |
162 | ||
163 | pspec = g_param_spec_uint ("id", | |
164 | "Id of the tool", | |
165 | "Set the id", | |
166 | 0 /* minimum value */, | |
167 | G_MAXUINT16 /* maximum value */, | |
168 | 0 /* default value */, | |
169 | G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE); | |
170 | g_object_class_install_property (gobject_class, | |
171 | PROP_ID, | |
172 | pspec); | |
173 | ||
174 | klass->get_label = goto_tool_get_label; | |
175 | klass->get_download_options = goto_tool_get_download_options; | |
176 | ||
177 | parent_class = g_type_class_peek_parent (klass); | |
178 | ||
179 | g_type_class_add_private (klass, sizeof (VikGotoToolPrivate)); | |
180 | } | |
181 | ||
182 | VikGotoTool *vik_goto_tool_new () | |
183 | { | |
184 | return VIK_GOTO_TOOL ( g_object_new ( VIK_GOTO_TOOL_TYPE, NULL ) ); | |
185 | } | |
186 | ||
187 | static void goto_tool_init ( VikGotoTool *self ) | |
188 | { | |
189 | VikGotoToolPrivate *priv = GOTO_TOOL_GET_PRIVATE (self); | |
190 | priv->label = NULL; | |
191 | } | |
192 | ||
193 | static void goto_tool_finalize ( GObject *gob ) | |
194 | { | |
195 | VikGotoToolPrivate *priv = GOTO_TOOL_GET_PRIVATE ( gob ); | |
196 | g_free ( priv->label ); priv->label = NULL; | |
197 | G_OBJECT_CLASS(parent_class)->finalize(gob); | |
198 | } | |
199 | ||
200 | static gchar *goto_tool_get_label ( VikGotoTool *self ) | |
201 | { | |
202 | VikGotoToolPrivate *priv = NULL; | |
203 | priv = GOTO_TOOL_GET_PRIVATE (self); | |
204 | return g_strdup ( priv->label ); | |
205 | } | |
206 | ||
207 | static DownloadMapOptions *goto_tool_get_download_options ( VikGotoTool *self ) | |
208 | { | |
209 | // Default: return NULL | |
210 | return NULL; | |
211 | } | |
212 | ||
213 | gchar *vik_goto_tool_get_label ( VikGotoTool *self ) | |
214 | { | |
215 | return VIK_GOTO_TOOL_GET_CLASS( self )->get_label( self ); | |
216 | } | |
217 | ||
218 | gchar *vik_goto_tool_get_url_format ( VikGotoTool *self ) | |
219 | { | |
220 | return VIK_GOTO_TOOL_GET_CLASS( self )->get_url_format( self ); | |
221 | } | |
222 | ||
223 | DownloadMapOptions *vik_goto_tool_get_download_options ( VikGotoTool *self ) | |
224 | { | |
225 | return VIK_GOTO_TOOL_GET_CLASS( self )->get_download_options( self ); | |
226 | } | |
227 | ||
228 | gboolean vik_goto_tool_parse_file_for_latlon (VikGotoTool *self, gchar *filename, struct LatLon *ll) | |
229 | { | |
230 | return VIK_GOTO_TOOL_GET_CLASS( self )->parse_file_for_latlon( self, filename, ll ); | |
231 | } | |
232 | ||
233 | int vik_goto_tool_get_coord ( VikGotoTool *self, VikWindow *vw, VikViewport *vvp, gchar *srch_str, VikCoord *coord ) | |
234 | { | |
235 | FILE *tmp_file; | |
236 | int tmp_fd; | |
237 | gchar *tmpname; | |
238 | gchar *uri; | |
239 | gchar *escaped_srch_str; | |
240 | int ret = 0; /* OK */ | |
241 | struct LatLon ll; | |
242 | ||
243 | g_debug("%s: raw goto: %s", __FUNCTION__, srch_str); | |
244 | ||
245 | escaped_srch_str = uri_escape(srch_str); | |
246 | ||
247 | g_debug("%s: escaped goto: %s", __FUNCTION__, escaped_srch_str); | |
248 | ||
249 | if ((tmp_fd = g_file_open_tmp ("vikgoto.XXXXXX", &tmpname, NULL)) == -1) { | |
250 | g_critical(_("couldn't open temp file")); | |
251 | return -1; | |
252 | } | |
253 | ||
254 | tmp_file = fdopen(tmp_fd, "r+"); | |
255 | uri = g_strdup_printf(vik_goto_tool_get_url_format(self), escaped_srch_str); | |
256 | ||
257 | /* TODO: curl may not be available */ | |
258 | if (curl_download_uri(uri, tmp_file, vik_goto_tool_get_download_options(self), 0, NULL)) { /* error */ | |
259 | fclose(tmp_file); | |
260 | tmp_file = NULL; | |
261 | ret = -1; | |
262 | goto done; | |
263 | } | |
264 | ||
265 | fclose(tmp_file); | |
266 | tmp_file = NULL; | |
267 | g_debug("%s: %s", __FILE__, tmpname); | |
268 | if (!vik_goto_tool_parse_file_for_latlon(self, tmpname, &ll)) { | |
269 | ret = -1; | |
270 | goto done; | |
271 | } | |
272 | vik_coord_load_from_latlon ( coord, vik_viewport_get_coord_mode(vvp), &ll ); | |
273 | ||
274 | done: | |
275 | g_free(escaped_srch_str); | |
276 | g_free(uri); | |
277 | g_remove(tmpname); | |
278 | g_free(tmpname); | |
279 | return ret; | |
280 | } |