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1d1bc3c1 EB |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
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 | #include <string.h> | |
22 | #include <glib/gprintf.h> | |
23 | ||
24 | #include "viking.h" | |
25 | #include "babel.h" | |
26 | #include "gpx.h" | |
7b3479e3 | 27 | #include "acquire.h" |
1d1bc3c1 | 28 | |
7b3479e3 | 29 | /* passed along to worker thread */ |
1d1bc3c1 | 30 | typedef struct { |
7b3479e3 | 31 | acq_dialog_widgets_t *w; |
7b3479e3 EB |
32 | gchar *cmd; |
33 | gchar *extra; | |
34 | } w_and_interface_t; | |
1d1bc3c1 | 35 | |
7b3479e3 EB |
36 | extern VikDataSourceInterface vik_datasource_gps_interface; |
37 | extern VikDataSourceInterface vik_datasource_google_interface; | |
1d1bc3c1 | 38 | |
7b3479e3 | 39 | /********************************************************* |
cf697cc2 | 40 | * Definitions and routines for acquiring data from Data Sources in general |
7b3479e3 | 41 | *********************************************************/ |
1d1bc3c1 | 42 | |
cf697cc2 EB |
43 | static void progress_func ( BabelProgressCode c, gpointer data, acq_dialog_widgets_t *w ) |
44 | { | |
45 | gdk_threads_enter (); | |
46 | if (!w->ok) { | |
cf697cc2 | 47 | if ( w->interface->cleanup_func ) |
65f0ccab AF |
48 | w->interface->cleanup_func( w->user_data ); |
49 | g_free ( w ); | |
cf697cc2 EB |
50 | gdk_threads_leave(); |
51 | g_thread_exit ( NULL ); | |
52 | } | |
53 | gdk_threads_leave (); | |
54 | ||
55 | if ( w->interface->progress_func ) | |
56 | w->interface->progress_func ( (gpointer) c, data, w ); | |
57 | } | |
58 | ||
1d1bc3c1 | 59 | /* this routine is the worker thread. there is only one simultaneous download allowed */ |
7b3479e3 | 60 | static void get_from_anything ( w_and_interface_t *wi ) |
1d1bc3c1 | 61 | { |
7b3479e3 EB |
62 | gchar *cmd = wi->cmd; |
63 | gchar *extra = wi->extra; | |
64 | gboolean result; | |
805d282e EB |
65 | VikTrwLayer *vtl; |
66 | ||
67 | gboolean creating_new_layer = TRUE; | |
7b3479e3 EB |
68 | |
69 | acq_dialog_widgets_t *w = wi->w; | |
cf697cc2 | 70 | VikDataSourceInterface *interface = wi->w->interface; |
7b3479e3 | 71 | g_free ( wi ); |
1d1bc3c1 EB |
72 | |
73 | gdk_threads_enter(); | |
805d282e EB |
74 | if (interface->mode == VIK_DATASOURCE_ADDTOLAYER) { |
75 | VikLayer *current_selected = vik_layers_panel_get_selected ( w->vlp ); | |
76 | if ( IS_VIK_TRW_LAYER(current_selected) ) { | |
77 | vtl = VIK_TRW_LAYER(current_selected); | |
78 | creating_new_layer = FALSE; | |
79 | } | |
80 | } | |
81 | if ( creating_new_layer ) { | |
82 | vtl = VIK_TRW_LAYER ( vik_layer_create ( VIK_LAYER_TRW, w->vvp, NULL, FALSE ) ); | |
83 | vik_layer_rename ( VIK_LAYER ( vtl ), interface->layer_title ); | |
84 | gtk_label_set_text ( GTK_LABEL(w->status), "Working..." ); | |
85 | } | |
1d1bc3c1 EB |
86 | gdk_threads_leave(); |
87 | ||
7b3479e3 | 88 | if ( interface->type == VIK_DATASOURCE_GPSBABEL_DIRECT ) |
cf697cc2 | 89 | result = a_babel_convert_from (vtl, cmd, (BabelStatusFunc) progress_func, extra, w); |
7b3479e3 | 90 | else |
cf697cc2 | 91 | result = a_babel_convert_from_shellcommand ( vtl, cmd, extra, (BabelStatusFunc) progress_func, w); |
7b3479e3 EB |
92 | |
93 | g_free ( cmd ); | |
94 | g_free ( extra ); | |
95 | ||
96 | if (!result) { | |
1d1bc3c1 EB |
97 | gdk_threads_enter(); |
98 | gtk_label_set_text ( GTK_LABEL(w->status), "Error: couldn't find gpsbabel." ); | |
805d282e EB |
99 | if ( creating_new_layer ) |
100 | g_object_unref ( G_OBJECT ( vtl ) ); | |
1d1bc3c1 EB |
101 | gdk_threads_leave(); |
102 | } | |
5f304fd7 | 103 | else { |
65f0ccab AF |
104 | gdk_threads_enter(); |
105 | if (w->ok) { | |
106 | gtk_label_set_text ( GTK_LABEL(w->status), "Done." ); | |
107 | if ( creating_new_layer ) | |
108 | vik_aggregate_layer_add_layer( vik_layers_panel_get_top_layer(w->vlp), VIK_LAYER(vtl)); | |
109 | gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_ACCEPT, TRUE ); | |
110 | gtk_dialog_set_response_sensitive ( GTK_DIALOG(w->dialog), GTK_RESPONSE_REJECT, FALSE ); | |
111 | } else { | |
112 | /* canceled */ | |
113 | if ( creating_new_layer ) | |
114 | g_object_unref(vtl); | |
115 | } | |
1d1bc3c1 | 116 | } |
7b3479e3 | 117 | if ( interface->cleanup_func ) |
65f0ccab | 118 | interface->cleanup_func ( w->user_data ); |
7b3479e3 EB |
119 | |
120 | if ( w->ok ) { | |
121 | w->ok = FALSE; | |
122 | } else { | |
123 | g_free ( w ); | |
124 | } | |
125 | ||
1d1bc3c1 EB |
126 | gdk_threads_leave(); |
127 | g_thread_exit ( NULL ); | |
128 | } | |
129 | ||
7b3479e3 EB |
130 | |
131 | void a_acquire ( VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp, VikDataSourceInterface *interface ) | |
1d1bc3c1 | 132 | { |
1d1bc3c1 | 133 | GtkWidget *dialog = NULL; |
7b3479e3 EB |
134 | GtkWidget *status; |
135 | gchar *cmd, *extra; | |
136 | acq_dialog_widgets_t *w; | |
65f0ccab | 137 | gpointer user_data; |
7b3479e3 EB |
138 | |
139 | w_and_interface_t *wi; | |
140 | ||
65f0ccab AF |
141 | g_assert(interface->init_func); |
142 | user_data = interface->init_func(); | |
143 | ||
92255687 EB |
144 | if ( interface->check_existence_func ) { |
145 | gchar *error_str = interface->check_existence_func(); | |
146 | if ( error_str ) { | |
147 | a_dialog_error_msg ( GTK_WINDOW(vw), error_str ); | |
148 | g_free ( error_str ); | |
149 | return; | |
150 | } | |
151 | } | |
152 | ||
65f0ccab | 153 | if ( interface->add_setup_widgets_func ) { |
f4b1d29b | 154 | dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); |
92255687 | 155 | |
65f0ccab | 156 | interface->add_setup_widgets_func(dialog, vvp, user_data); |
a8d46e0b EB |
157 | gtk_window_set_title ( GTK_WINDOW(dialog), interface->window_title ); |
158 | ||
7b3479e3 | 159 | if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) { |
65f0ccab | 160 | interface->cleanup_func(user_data); |
7b3479e3 EB |
161 | gtk_widget_destroy(dialog); |
162 | return; | |
163 | } | |
65f0ccab | 164 | interface->get_cmd_string_func ( user_data, &cmd, &extra ); |
7b3479e3 EB |
165 | gtk_widget_destroy(dialog); |
166 | dialog = NULL; | |
167 | } else | |
65f0ccab | 168 | interface->get_cmd_string_func ( user_data, &cmd, &extra ); |
7b3479e3 EB |
169 | |
170 | if ( ! cmd ) | |
171 | return; | |
172 | ||
173 | w = g_malloc(sizeof(*w)); | |
174 | wi = g_malloc(sizeof(*wi)); | |
175 | wi->w = w; | |
cf697cc2 | 176 | wi->w->interface = interface; |
7b3479e3 EB |
177 | wi->cmd = cmd; |
178 | wi->extra = extra; | |
1d1bc3c1 | 179 | |
f4b1d29b | 180 | dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); |
1d1bc3c1 | 181 | gtk_dialog_set_response_sensitive ( GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT, FALSE ); |
a8d46e0b | 182 | gtk_window_set_title ( GTK_WINDOW(dialog), interface->window_title ); |
1d1bc3c1 | 183 | |
1d1bc3c1 EB |
184 | |
185 | w->dialog = dialog; | |
7b3479e3 | 186 | w->ok = TRUE; |
7b3479e3 EB |
187 | status = gtk_label_new ("Status: detecting gpsbabel"); |
188 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), status, FALSE, FALSE, 5 ); | |
189 | gtk_widget_show_all(status); | |
1d1bc3c1 | 190 | w->status = status; |
7b3479e3 | 191 | |
1d1bc3c1 EB |
192 | w->vw = vw; |
193 | w->vlp = vlp; | |
194 | w->vvp = vvp; | |
65f0ccab AF |
195 | if ( interface->add_progress_widgets_func ) { |
196 | interface->add_progress_widgets_func ( dialog, user_data ); | |
197 | } | |
198 | w->user_data = user_data; | |
7b3479e3 | 199 | |
a8d46e0b | 200 | |
7b3479e3 | 201 | g_thread_create((GThreadFunc)get_from_anything, wi, FALSE, NULL ); |
1d1bc3c1 EB |
202 | |
203 | gtk_dialog_run ( GTK_DIALOG(dialog) ); | |
7b3479e3 EB |
204 | if ( w->ok ) |
205 | w->ok = FALSE; /* tell thread to stop. TODO: add mutex */ | |
206 | else { | |
207 | g_free ( w ); /* thread has finished; free w */ | |
208 | } | |
1d1bc3c1 EB |
209 | gtk_widget_destroy ( dialog ); |
210 | } | |
7b3479e3 | 211 |