2 * Copyright (C) 2010-2011 Andy Spencer <andy753421@gmail.com>
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "alert-info.h"
29 #define MSG_INDEX "http://alerts.weather.gov/cap/us.php?x=0"
30 #define CONFIG_HEIGHT 3
32 /* Format for single cap alert:
33 * "http://alerts.weather.gov/cap/wwacapget.php?x="
34 * "AK20111012000500CoastalFloodWarning20111012151500"
35 * "AKAFGCFWAFG.6258a84eb1e8c34cd888057248224d10" */
40 /* AlertMsg data types */
43 char class [1 ]; char sep1;
44 char action[3 ]; char sep2;
45 char office[4 ]; char sep3;
46 char phenom[2 ]; char sep4;
47 char signif[1 ]; char sep5;
48 char event [4 ]; char sep6;
49 char begin [12]; char sep7;
50 char end [12]; char sep8;
54 /* Basic info (from alert index) */
55 char *title; // Winter Weather Advisory issued December 19 at 8:51PM
56 char *link; // http://www.weather.gov/alerts-beta/wwacapget.php?x=AK20101219205100AFGWinterWeatherAdvisoryAFG20101220030000AK
57 char *summary; // ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6
59 time_t effective; // 2010-12-19T20:51:00-09:00
60 time_t expires; // 2010-12-20T03:00:00-09:00
61 char *status; // Actual
62 char *urgency; // Expected
63 char *severity; // Minor
64 char *certainty; // Likely
65 char *area_desc; // Northeastern Brooks Range; Northwestern Brooks Range
66 char *fips6; // 006015 006023 006045 006105
67 AlertVtec *vtec; // /X.CON.PAFG.WW.Y.0064.000000T0000Z-101220T0300Z/
70 /* Advanced info (from CAP file) */
76 AlertInfo *info; // Link to info structure for this alert
77 GritsPoly *county_based; // Polygon for county-based warning
78 GritsPoly *storm_based; // Polygon for storm-based warning
81 /* AlertMsg parsing */
89 time_t msg_parse_time(gchar *iso8601)
92 g_time_val_from_iso8601(iso8601, &tv);
95 AlertVtec *msg_parse_vtec(char *buf)
97 AlertVtec *vtec = g_new0(AlertVtec, 1);
98 strncpy((char*)vtec, buf, sizeof(AlertVtec));
99 vtec->sep0 = vtec->sep1 = vtec->sep2 = '\0';
100 vtec->sep3 = vtec->sep4 = vtec->sep5 = '\0';
101 vtec->sep6 = vtec->sep7 = vtec->sep8 = '\0';
104 void msg_parse_text(GMarkupParseContext *context, const gchar *text,
105 gsize len, gpointer user_data, GError **error)
107 //g_debug("text %s", text);
108 ParseData *data = user_data;
111 data->text = g_strndup(text, len);
113 void msg_parse_index_start(GMarkupParseContext *context, const gchar *name,
114 const gchar **keys, const gchar **vals,
115 gpointer user_data, GError **error)
117 //g_debug("start %s", name);
118 ParseData *data = user_data;
119 if (g_str_equal(name, "entry"))
120 data->msg = g_new0(AlertMsg, 1);
122 void msg_parse_index_end(GMarkupParseContext *context, const gchar *name,
123 gpointer user_data, GError **error)
125 //g_debug("end %s", name);
126 ParseData *data = user_data;
127 AlertMsg *msg = data->msg;
128 char *text = data->text;
130 if (g_str_equal(name, "updated") && text && !data->updated)
131 data->updated = msg_parse_time(text);
133 if (g_str_equal(name, "entry"))
134 data->msgs = g_list_prepend(data->msgs, data->msg);
136 if (!text || !msg) return;
137 else if (g_str_equal(name, "title")) msg->title = g_strdup(text);
138 else if (g_str_equal(name, "id")) msg->link = g_strdup(text); // hack
139 else if (g_str_equal(name, "summary")) msg->summary = g_strdup(text);
140 else if (g_str_equal(name, "cap:effective")) msg->cap.effective = msg_parse_time(text);
141 else if (g_str_equal(name, "cap:expires")) msg->cap.expires = msg_parse_time(text);
142 else if (g_str_equal(name, "cap:status")) msg->cap.status = g_strdup(text);
143 else if (g_str_equal(name, "cap:urgency")) msg->cap.urgency = g_strdup(text);
144 else if (g_str_equal(name, "cap:severity")) msg->cap.severity = g_strdup(text);
145 else if (g_str_equal(name, "cap:certainty")) msg->cap.certainty = g_strdup(text);
146 else if (g_str_equal(name, "cap:areaDesc")) msg->cap.area_desc = g_strdup(text);
148 if (g_str_equal(name, "title"))
149 msg->info = alert_info_find(msg->title);
151 if (g_str_equal(name, "valueName")) {
152 if (data->value_name)
153 g_free(data->value_name);
154 data->value_name = g_strdup(text);
157 if (g_str_equal(name, "value") && data->value_name) {
158 if (g_str_equal(data->value_name, "FIPS6")) msg->cap.fips6 = g_strdup(text);
159 if (g_str_equal(data->value_name, "VTEC")) msg->cap.vtec = msg_parse_vtec(text);
162 void msg_parse_cap_end(GMarkupParseContext *context, const gchar *name,
163 gpointer user_data, GError **error)
165 ParseData *data = user_data;
166 AlertMsg *msg = data->msg;
167 char *text = data->text;
168 if (!text || !msg) return;
169 if (g_str_equal(name, "description")) msg->description = g_strdup(text);
170 else if (g_str_equal(name, "instruction")) msg->instruction = g_strdup(text);
171 else if (g_str_equal(name, "polygon")) msg->polygon = g_strdup(text);
174 /* AlertMsg methods */
175 GList *msg_parse_index(gchar *text, gsize len, time_t *updated)
177 g_debug("GritsPluginAlert: msg_parse");
178 GMarkupParser parser = {
179 .start_element = msg_parse_index_start,
180 .end_element = msg_parse_index_end,
181 .text = msg_parse_text,
184 GMarkupParseContext *context =
185 g_markup_parse_context_new(&parser, 0, &data, NULL);
186 g_markup_parse_context_parse(context, text, len, NULL);
187 g_markup_parse_context_free(context);
191 g_free(data.value_name);
192 *updated = data.updated;
196 void msg_parse_cap(AlertMsg *msg, gchar *text, gsize len)
198 g_debug("GritsPluginAlert: msg_parse_cap");
199 GMarkupParser parser = {
200 .end_element = msg_parse_cap_end,
201 .text = msg_parse_text,
203 ParseData data = { .msg = msg };
204 GMarkupParseContext *context =
205 g_markup_parse_context_new(&parser, 0, &data, NULL);
206 g_markup_parse_context_parse(context, text, len, NULL);
207 g_markup_parse_context_free(context);
211 /* Add spaces to description... */
212 static GRegex *regex = NULL;
214 regex = g_regex_new("\\.\\n", 0, G_REGEX_MATCH_NEWLINE_ANY, NULL);
215 if (msg->description && regex) {
216 char *old = msg->description;
217 msg->description = g_regex_replace_literal(
218 regex, old, -1, 0, ".\n\n", 0, NULL);
223 void msg_free(AlertMsg *msg)
227 g_free(msg->summary);
228 g_free(msg->cap.status);
229 g_free(msg->cap.urgency);
230 g_free(msg->cap.severity);
231 g_free(msg->cap.certainty);
232 g_free(msg->cap.area_desc);
233 g_free(msg->cap.fips6);
234 g_free(msg->cap.vtec);
235 g_free(msg->description);
236 g_free(msg->instruction);
237 g_free(msg->polygon);
241 void msg_print(GList *msgs)
243 g_message("msg_print");
244 for (GList *cur = msgs; cur; cur = cur->next) {
245 AlertMsg *msg = cur->data;
247 g_message(" title = %s", msg->title );
248 g_message(" link = %s", msg->link );
249 g_message(" summary = %s", msg->summary );
250 g_message(" cat.effective = %lu", msg->cap.effective);
251 g_message(" cat.expires = %lu", msg->cap.expires );
252 g_message(" cat.status = %s", msg->cap.status );
253 g_message(" cat.urgency = %s", msg->cap.urgency );
254 g_message(" cat.severity = %s", msg->cap.severity );
255 g_message(" cat.certainty = %s", msg->cap.certainty);
256 g_message(" cat.area_desc = %s", msg->cap.area_desc);
257 g_message(" cat.fips6 = %s", msg->cap.fips6 );
258 g_message(" cat.vtec = %p", msg->cap.vtec );
262 gchar *msg_find_nearest(GritsHttp *http, time_t when, gboolean offline)
264 GList *files = grits_http_available(http,
265 "^[0-9]*.xml$", "index", NULL, NULL);
267 time_t this_time = 0;
268 time_t nearest_time = offline ? 0 : time(NULL);
269 char *nearest_file = NULL;
271 for (GList *cur = files; cur; cur = cur->next) {
272 gchar *file = cur->data;
273 sscanf(file, "%ld", &this_time);
274 if (ABS(when - this_time) <
275 ABS(when - nearest_time)) {
277 nearest_time = this_time;
282 return g_strconcat("index/", nearest_file, NULL);
284 return g_strdup_printf("index/%ld.xml", time(NULL));
289 GList *msg_load_index(GritsHttp *http, time_t when, time_t *updated, gboolean offline)
291 /* Fetch current alerts */
292 gchar *tmp = msg_find_nearest(http, when, offline);
295 gchar *file = grits_http_fetch(http, MSG_INDEX, tmp, GRITS_ONCE, NULL, NULL);
301 gchar *text; gsize len;
302 g_file_get_contents(file, &text, &len, NULL);
303 GList *msgs = msg_parse_index(text, len, updated);
308 /* Delete unrecognized messages */
310 for (GList *cur = msgs; cur; cur = cur->next)
311 if (!((AlertMsg*)cur->data)->info)
312 dead = g_list_prepend(dead, cur->data);
313 for (GList *cur = dead; cur; cur = cur->next) {
314 AlertMsg *msg = cur->data;
315 g_warning("GritsPluginAlert: unknown msg type - %s", msg->title);
316 msgs = g_list_remove(msgs, msg);
324 void msg_load_cap(GritsHttp *http, AlertMsg *msg)
326 if (msg->description || msg->instruction || msg->polygon)
328 g_debug("GritsPlguinAlert: update_cap");
331 gchar *id = strrchr(msg->link, '=');
332 if (!id) return; id++;
333 gchar *dir = g_strdelimit(g_strdup(msg->info->abbr), " ", '_');
334 gchar *tmp = g_strdup_printf("%s/%s.xml", dir, id);
335 gchar *file = grits_http_fetch(http, msg->link, tmp, GRITS_ONCE, NULL, NULL);
342 gchar *text; gsize len;
343 g_file_get_contents(file, &text, &len, NULL);
344 msg_parse_cap(msg, text, len);
353 int fips_compare(int a, int b)
355 return (a < b) ? -1 :
359 GritsPoly *fips_combine(GList *polys)
361 /* Create points list */
362 GPtrArray *array = g_ptr_array_new();
363 for (GList *cur = polys; cur; cur = cur->next) {
364 GritsPoly *poly = cur->data;
365 gdouble (**points)[3] = poly->points;
366 for (int i = 0; points[i]; i++)
367 g_ptr_array_add(array, points[i]);
369 g_ptr_array_add(array, NULL);
370 gdouble (**points)[3] = (gpointer)g_ptr_array_free(array, FALSE);
372 /* Calculate center */
373 GritsBounds bounds = {-90, 90, -180, 180};
374 for (GList *cur = polys; cur; cur = cur->next) {
375 GritsObject *poly = cur->data;
376 gdouble lat = poly->center.lat;
377 gdouble lon = poly->center.lon;
378 if (lat > bounds.n) bounds.n = lat;
379 if (lat < bounds.s) bounds.s = lat;
380 if (lon > bounds.e) bounds.e = lon;
381 if (lon < bounds.w) bounds.w = lon;
383 GritsPoint center = {
384 .lat = (bounds.n + bounds.s)/2,
385 .lon = lon_avg(bounds.e, bounds.w),
389 GritsPoly *poly = grits_poly_new(points);
390 GRITS_OBJECT(poly)->skip |= GRITS_SKIP_CENTER;
391 GRITS_OBJECT(poly)->skip |= GRITS_SKIP_STATE;
392 GRITS_OBJECT(poly)->center = center;
393 g_object_weak_ref(G_OBJECT(poly), (GWeakNotify)g_free, points);
397 gboolean fips_group_state(gpointer key, gpointer value, gpointer data)
399 GList *counties = value;
400 GList **states = data;
401 GritsPoly *poly = fips_combine(counties);
402 GRITS_OBJECT(poly)->lod = EARTH_R/10;
403 *states = g_list_prepend(*states, poly);
404 g_list_free(counties);
408 void fips_parse(gchar *text, GTree **_counties, GList **_states)
410 g_debug("GritsPluginAlert: fips_parse");
411 GTree *counties = g_tree_new((GCompareFunc)fips_compare);
412 GTree *states = g_tree_new_full((GCompareDataFunc)g_strcmp0,
414 gchar **lines = g_strsplit(text, "\n", -1);
415 for (gint li = 0; lines[li]; li++) {
417 gchar **sparts = g_strsplit(lines[li], "\t", 4);
418 int nparts = g_strv_length(sparts);
424 /* Create GritsPoly */
425 GritsPoly *poly = grits_poly_parse(sparts[3], "\t", " ", ",");
427 /* Insert polys into the tree */
428 glong id = g_ascii_strtoll(sparts[0], NULL, 10);
429 g_tree_insert(counties, (gpointer)id, poly);
431 /* Insert into states list */
432 GList *list = g_tree_lookup(states, sparts[2]);
433 list = g_list_prepend(list, poly);
434 g_tree_replace(states, g_strdup(sparts[2]), list);
440 /* Group state counties */
441 *_counties = counties;
443 g_tree_foreach(states, (GTraverseFunc)fips_group_state, _states);
444 g_tree_destroy(states);
447 /********************
449 ********************/
450 static GtkWidget *_make_msg_details(AlertMsg *msg)
453 GtkWidget *title = gtk_label_new("");
454 gchar *title_str = g_markup_printf_escaped("<big><b>%s</b></big>",
455 msg->title ?: "No title provided");
456 gtk_label_set_use_markup(GTK_LABEL(title), TRUE);
457 gtk_label_set_markup(GTK_LABEL(title), title_str);
458 gtk_label_set_line_wrap(GTK_LABEL(title), TRUE);
459 gtk_misc_set_alignment(GTK_MISC(title), 0, 0);
460 gtk_widget_set_size_request(GTK_WIDGET(title), 500, -1);
463 GtkWidget *alert = gtk_scrolled_window_new(NULL, NULL);
464 GtkWidget *alert_view = gtk_text_view_new();
465 GtkTextBuffer *alert_buf = gtk_text_buffer_new(NULL);
466 gchar *alert_str = g_markup_printf_escaped("%s\n\n%s",
467 msg->description ?: "No description provided",
468 msg->instruction ?: "No instructions provided");
469 PangoFontDescription *alert_font = pango_font_description_from_string(
471 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(alert),
472 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
473 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(alert),
475 gtk_text_buffer_set_text(alert_buf, alert_str, -1);
476 gtk_text_view_set_buffer(GTK_TEXT_VIEW(alert_view), alert_buf);
477 gtk_widget_modify_font(GTK_WIDGET(alert_view), alert_font);
478 gtk_container_add(GTK_CONTAINER(alert), alert_view);
481 GtkWidget *align = gtk_alignment_new(0, 0, 1, 1);
482 GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 10);
483 gtk_alignment_set_padding(GTK_ALIGNMENT(align), 10, 10, 10, 10);
484 gtk_container_add(GTK_CONTAINER(align), box);
485 gtk_box_pack_start(GTK_BOX(box), title, FALSE, FALSE, 0);
486 gtk_box_pack_start(GTK_BOX(box), alert, TRUE, TRUE, 0);
491 static GtkWidget *_find_details(GtkNotebook *notebook, AlertMsg *msg)
493 int pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(notebook));
494 for (int i = 0; i < pages; i++) {
495 GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook), i);
496 if (msg == g_object_get_data(G_OBJECT(page), "msg"))
502 static void _show_details(GritsPoly *county, GdkEvent *_, GritsPluginAlert *alert)
504 /* Add details for this messages */
505 AlertMsg *msg = g_object_get_data(G_OBJECT(county), "msg");
506 msg_load_cap(alert->http, msg);
508 GtkWidget *dialog = alert->details;
509 GtkWidget *content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
510 GList *list = gtk_container_get_children(GTK_CONTAINER(content));
511 GtkWidget *notebook = list->data;
512 GtkWidget *details = _find_details(GTK_NOTEBOOK(notebook), msg);
515 if (details == NULL) {
516 details = _make_msg_details(msg);
517 GtkWidget *label = gtk_label_new(msg->info->abbr);
518 g_object_set_data(G_OBJECT(details), "msg", msg);
519 gtk_notebook_append_page(GTK_NOTEBOOK(notebook), details, label);
522 gtk_widget_show_all(dialog);
523 gint num = gtk_notebook_page_num(GTK_NOTEBOOK(notebook), details);
524 gtk_notebook_set_current_page(GTK_NOTEBOOK(notebook), num);
527 /* Update counties */
528 static void _alert_leave(GritsPoly *county, GdkEvent *_, GritsPluginAlert *alert)
530 g_debug("_alert_leave");
531 if (county->width == 3) {
532 county->color[3] = 0;
534 county->border[3] = 0.25;
537 grits_object_queue_draw(GRITS_OBJECT(county));
540 static void _alert_enter(GritsPoly *county, GdkEvent *_, GritsPluginAlert *alert)
542 g_debug("_alert_enter");
543 if (county->width == 3) {
544 county->color[3] = 0.25;
546 county->border[3] = 1.0;
549 grits_object_queue_draw(GRITS_OBJECT(county));
552 /* Update polygons */
553 static void _load_common(GritsPluginAlert *alert, AlertMsg *msg, GritsPoly *poly,
554 float color, float border, int width, gchar *hidden)
556 g_object_set_data(G_OBJECT(poly), "msg", msg);
557 poly->color[0] = poly->border[0] = (float)msg->info->color[0] / 256;
558 poly->color[1] = poly->border[1] = (float)msg->info->color[1] / 256;
559 poly->color[2] = poly->border[2] = (float)msg->info->color[2] / 256;
560 poly->color[3] = color;
561 poly->border[3] = border;
563 GRITS_OBJECT(poly)->lod = 0;
564 GRITS_OBJECT(poly)->hidden = msg->info->hidden ||
565 grits_prefs_get_boolean(alert->prefs, hidden, NULL);
566 g_signal_connect(poly, "enter", G_CALLBACK(_alert_enter), alert);
567 g_signal_connect(poly, "leave", G_CALLBACK(_alert_leave), alert);
568 g_signal_connect(poly, "clicked", G_CALLBACK(_show_details), alert);
571 static GritsPoly *_load_storm_based(GritsPluginAlert *alert, AlertMsg *msg)
573 if (!msg->info->ispoly)
576 msg_load_cap(alert->http, msg);
578 GritsPoly *poly = grits_poly_parse(msg->polygon, "\t", " ", ",");
579 _load_common(alert, msg, poly, 0, 1, 3, "alert/hide_storm_based");
580 grits_viewer_add(alert->viewer, GRITS_OBJECT(poly), GRITS_LEVEL_WORLD+4, FALSE);
585 static GritsPoly *_load_county_based(GritsPluginAlert *alert, AlertMsg *msg)
587 /* Locate counties in the path of the storm */
588 gchar **fipses = g_strsplit(msg->cap.fips6, " ", -1);
589 GList *counties = NULL;
590 for (int i = 0; fipses[i]; i++) {
591 glong fips = g_ascii_strtoll(fipses[i], NULL, 10);
592 GritsPoly *county = g_tree_lookup(alert->counties, (gpointer)fips);
595 counties = g_list_prepend(counties, county);
599 /* No county based warning.. */
603 /* Create new county based warning */
604 GritsPoly *poly = fips_combine(counties);
605 _load_common(alert, msg, poly, 0.25, 0.25, 0, "alert/hide_county_based");
606 grits_viewer_add(alert->viewer, GRITS_OBJECT(poly), GRITS_LEVEL_WORLD+1, FALSE);
608 g_list_free(counties);
613 static gboolean _show_hide(GtkToggleButton *button, GritsPluginAlert *alert)
615 g_debug("GritsPluginAlert: _show_hide - alert=%p, config=%p", alert, alert->config);
617 /* Check if we've clicked a alert type button */
618 AlertInfo *info = g_object_get_data(G_OBJECT(button), "info");
620 info->hidden = !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
622 /* Update county/storm based hiding */
623 GtkWidget *ctoggle = g_object_get_data(G_OBJECT(alert->config), "county_based");
624 GtkWidget *stoggle = g_object_get_data(G_OBJECT(alert->config), "storm_based");
626 gboolean cshow = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ctoggle));
627 gboolean sshow = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(stoggle));
629 grits_prefs_set_boolean(alert->prefs, "alert/hide_county_based", !cshow);
630 grits_prefs_set_boolean(alert->prefs, "alert/hide_storm_based", !sshow);
632 /* Show/hide each message */
633 for (GList *cur = alert->msgs; cur; cur = cur->next) {
634 AlertMsg *msg = cur->data;
635 gboolean hide = msg->info->hidden;
636 if (msg->county_based)
637 GRITS_OBJECT(msg->county_based)->hidden = !cshow || hide;
638 if (msg->storm_based)
639 GRITS_OBJECT(msg->storm_based)->hidden = !sshow || hide;
642 grits_viewer_queue_draw(alert->viewer);
647 static GtkWidget *_button_new(AlertInfo *info)
649 g_debug("GritsPluginAlert: _button_new - %s", info->title);
650 GdkColor black = {0, 0, 0, 0};
651 GdkColor color = {0, info->color[0]<<8, info->color[1]<<8, info->color[2]<<8};
654 g_snprintf(text, sizeof(text), "<b>%.10s</b>", info->abbr);
656 GtkWidget *button = gtk_toggle_button_new();
657 GtkWidget *align = gtk_alignment_new(0.5, 0.5, 1, 1);
658 GtkWidget *cbox = gtk_event_box_new();
659 GtkWidget *label = gtk_label_new(text);
660 for (int state = 0; state < GTK_STATE_INSENSITIVE; state++) {
661 gtk_widget_modify_fg(label, state, &black);
662 gtk_widget_modify_bg(cbox, state, &color);
664 g_object_set_data(G_OBJECT(button), "info", info);
665 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
666 gtk_alignment_set_padding(GTK_ALIGNMENT(align), 2, 2, 4, 4);
667 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), !info->hidden);
668 gtk_widget_set_tooltip_text(GTK_WIDGET(button), info->title);
669 gtk_container_add(GTK_CONTAINER(cbox), label);
670 gtk_container_add(GTK_CONTAINER(align), cbox);
671 gtk_container_add(GTK_CONTAINER(button), align);
675 static gboolean _update_buttons(GritsPluginAlert *alert)
677 g_debug("GritsPluginAlert: _update_buttons");
678 GtkWidget *alerts = g_object_get_data(G_OBJECT(alert->config), "alerts");
679 GtkWidget *updated = g_object_get_data(G_OBJECT(alert->config), "updated");
681 /* Determine which buttons to show */
682 for (int i = 0; alert_info[i].title; i++)
683 alert_info[i].current = FALSE;
684 for (GList *cur = alert->msgs; cur; cur = cur->next) {
685 AlertMsg *msg = cur->data;
686 msg->info->current = TRUE;
689 /* Delete old buttons */
690 GList *frames = gtk_container_get_children(GTK_CONTAINER(alerts));
691 for (GList *frame = frames; frame; frame = frame->next) {
692 GtkWidget *table = gtk_bin_get_child(GTK_BIN(frame->data));
693 GList *btns = gtk_container_get_children(GTK_CONTAINER(table));
694 g_list_foreach(btns, (GFunc)gtk_widget_destroy, NULL);
699 /* Add new buttons */
700 for (int i = 0; alert_info[i].title; i++) {
701 if (!alert_info[i].current)
704 GtkWidget *table = g_object_get_data(G_OBJECT(alerts),
705 alert_info[i].category);
706 GList *kids = gtk_container_get_children(GTK_CONTAINER(table));
707 gint nkids = g_list_length(kids);
708 gint x = nkids / CONFIG_HEIGHT;
709 gint y = nkids % CONFIG_HEIGHT;
712 GtkWidget *button = _button_new(&alert_info[i]);
713 gtk_table_attach(GTK_TABLE(table), button, x, x+1, y, y+1,
714 GTK_FILL|GTK_EXPAND, GTK_FILL, 0, 0);
715 g_signal_connect(button, "clicked", G_CALLBACK(_show_hide), alert);
718 /* Set time widget */
719 struct tm *tm = gmtime(&alert->updated);
720 gchar *date_str = g_strdup_printf(" <b><i>%04d-%02d-%02d %02d:%02d</i></b>",
721 tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
722 tm->tm_hour, tm->tm_min);
723 gtk_label_set_markup(GTK_LABEL(updated), date_str);
726 gtk_widget_show_all(GTK_WIDGET(alert->config));
727 alert->update_source = 0;
731 static gint _sort_warnings(gconstpointer _a, gconstpointer _b)
733 const AlertMsg *a=_a, *b=_b;
734 return (a->info->prior < b->info->prior) ? -1 :
735 (a->info->prior == b->info->prior) ? 0 : 1;
738 static void _update_warnings(GritsPluginAlert *alert, GList *old)
740 g_debug("GritsPluginAlert: _update_warnings");
743 * reversed here since they're added
744 * to the viewer in reverse order */
745 alert->msgs = g_list_sort(alert->msgs, _sort_warnings);
747 /* Remove old messages */
748 for (GList *cur = old; cur; cur = cur->next) {
749 AlertMsg *msg = cur->data;
750 if (msg->county_based) grits_viewer_remove(alert->viewer,
751 GRITS_OBJECT(msg->county_based));
752 if (msg->storm_based) grits_viewer_remove(alert->viewer,
753 GRITS_OBJECT(msg->storm_based));
756 /* Add new messages */
757 /* Load counties first since it does not require network access */
758 for (GList *cur = alert->msgs; cur; cur = cur->next) {
759 AlertMsg *msg = cur->data;
760 msg->county_based = _load_county_based(alert, msg);
762 grits_viewer_queue_draw(alert->viewer);
763 for (GList *cur = alert->msgs; cur; cur = cur->next) {
764 AlertMsg *msg = cur->data;
765 msg->storm_based = _load_storm_based(alert, msg);
767 grits_viewer_queue_draw(alert->viewer);
769 g_debug("GritsPluginAlert: _load_warnings - end");
773 static void _update(gpointer _, gpointer _alert)
775 GritsPluginAlert *alert = _alert;
776 GList *old = alert->msgs;
777 g_debug("GritsPluginAlert: _update");
779 time_t when = grits_viewer_get_time(alert->viewer);
780 gboolean offline = grits_viewer_get_offline(alert->viewer);
781 if (!(alert->msgs = msg_load_index(alert->http, when, &alert->updated, offline)))
784 if (!alert->update_source)
785 alert->update_source = g_idle_add((GSourceFunc)_update_buttons, alert);
786 _update_warnings(alert, old);
788 g_list_foreach(old, (GFunc)msg_free, NULL);
791 g_debug("GritsPluginAlert: _update - end");
794 static void _on_update(GritsPluginAlert *alert)
796 g_thread_pool_push(alert->threads, NULL+1, NULL);
800 static GtkWidget *_make_config(GritsPluginAlert *alert)
802 GtkWidget *config = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
804 /* Setup tools area */
805 GtkWidget *tools = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10);
806 GtkWidget *updated = gtk_label_new(" Loading...");
807 GtkWidget *storm_based = gtk_toggle_button_new_with_label("Storm based");
808 GtkWidget *county_based = gtk_toggle_button_new_with_label("County based");
809 gtk_label_set_use_markup(GTK_LABEL(updated), TRUE);
810 gtk_box_pack_start(GTK_BOX(tools), updated, FALSE, FALSE, 0);
811 gtk_box_pack_end (GTK_BOX(tools), storm_based, FALSE, FALSE, 0);
812 gtk_box_pack_end (GTK_BOX(tools), county_based, FALSE, FALSE, 0);
813 gtk_box_pack_start(GTK_BOX(config), tools, FALSE, FALSE, 0);
814 g_object_set_data(G_OBJECT(config), "updated", updated);
815 g_object_set_data(G_OBJECT(config), "storm_based", storm_based);
816 g_object_set_data(G_OBJECT(config), "county_based", county_based);
817 g_signal_connect(storm_based, "toggled", G_CALLBACK(_show_hide), alert);
818 g_signal_connect(county_based, "toggled", G_CALLBACK(_show_hide), alert);
821 gchar *labels[] = {"<b>Warnings</b>", "<b>Watches</b>",
822 "<b>Advisories</b>", "<b>Other</b>"};
823 gchar *keys[] = {"warning", "watch", "advisory", "other"};
824 GtkWidget *alerts = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 10);
825 for (int i = 0; i < G_N_ELEMENTS(labels); i++) {
826 GtkWidget *frame = gtk_frame_new(labels[i]);
827 GtkWidget *table = gtk_table_new(1, 1, TRUE);
828 GtkWidget *label = gtk_frame_get_label_widget(GTK_FRAME(frame));
829 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
830 gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_NONE);
831 gtk_container_add(GTK_CONTAINER(frame), table);
832 gtk_box_pack_start(GTK_BOX(alerts), frame, TRUE, TRUE, 0);
833 g_object_set_data(G_OBJECT(alerts), keys[i], table);
835 gtk_box_pack_start(GTK_BOX(config), alerts, TRUE, TRUE, 0);
836 g_object_set_data(G_OBJECT(config), "alerts", alerts);
841 static gboolean _clear_details(GtkWidget *dialog)
843 GtkWidget *content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
844 GList *list = gtk_container_get_children(GTK_CONTAINER(content));
845 GtkWidget *notebook = list->data;
847 gtk_widget_hide(dialog);
848 while (gtk_notebook_get_n_pages(GTK_NOTEBOOK(notebook)))
849 gtk_notebook_remove_page(GTK_NOTEBOOK(notebook), 0);
853 static gboolean _set_details_uri(GtkWidget *notebook, gpointer _,
854 guint num, GtkWidget *button)
856 g_debug("_set_details_uri");
857 GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook), num);
858 AlertMsg *msg = g_object_get_data(G_OBJECT(page), "msg");
859 gtk_link_button_set_uri(GTK_LINK_BUTTON(button), msg->link);
863 static GtkWidget *_make_details(GritsViewer *viewer)
865 GtkWidget *dialog = gtk_dialog_new();
866 GtkWidget *action = gtk_dialog_get_action_area (GTK_DIALOG(dialog));
867 GtkWidget *content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
868 GtkWidget *notebook = gtk_notebook_new();
869 GtkWidget *win = gtk_widget_get_toplevel(GTK_WIDGET(viewer));
870 GtkWidget *link = gtk_link_button_new_with_label("", "Full Text");
872 gtk_window_set_transient_for(GTK_WINDOW(dialog), GTK_WINDOW(win));
873 gtk_window_set_title(GTK_WINDOW(dialog), "Alert Details - AWeather");
874 gtk_window_set_default_size(GTK_WINDOW(dialog), 625, 500);
875 gtk_notebook_set_scrollable(GTK_NOTEBOOK(notebook), TRUE);
876 gtk_container_add(GTK_CONTAINER(content), notebook);
877 gtk_box_pack_end(GTK_BOX(action), link, 0, 0, 0);
878 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
880 g_signal_connect(dialog, "response", G_CALLBACK(_clear_details), NULL);
881 g_signal_connect(dialog, "delete-event", G_CALLBACK(_clear_details), NULL);
882 g_signal_connect(notebook, "switch-page", G_CALLBACK(_set_details_uri), link);
888 GritsPluginAlert *grits_plugin_alert_new(GritsViewer *viewer, GritsPrefs *prefs)
890 g_debug("GritsPluginAlert: new");
891 GritsPluginAlert *alert = g_object_new(GRITS_TYPE_PLUGIN_ALERT, NULL);
892 alert->details = _make_details(viewer);
893 alert->viewer = g_object_ref(viewer);
894 alert->prefs = g_object_ref(prefs);
896 alert->refresh_id = g_signal_connect_swapped(alert->viewer, "refresh",
897 G_CALLBACK(_on_update), alert);
898 alert->time_changed_id = g_signal_connect_swapped(alert->viewer, "time_changed",
899 G_CALLBACK(_on_update), alert);
901 for (GList *cur = alert->states; cur; cur = cur->next)
902 grits_viewer_add(viewer, cur->data, GRITS_LEVEL_WORLD+1, FALSE);
904 gboolean chide = grits_prefs_get_boolean(alert->prefs, "alert/hide_county_based", NULL);
905 gboolean shide = grits_prefs_get_boolean(alert->prefs, "alert/hide_storm_based", NULL);
906 GtkWidget *ctoggle = g_object_get_data(G_OBJECT(alert->config), "county_based");
907 GtkWidget *stoggle = g_object_get_data(G_OBJECT(alert->config), "storm_based");
908 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ctoggle), !chide);
909 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(stoggle), !shide);
915 static GtkWidget *grits_plugin_alert_get_config(GritsPlugin *_alert)
917 GritsPluginAlert *alert = GRITS_PLUGIN_ALERT(_alert);
918 return alert->config;
923 static void grits_plugin_alert_plugin_init(GritsPluginInterface *iface);
924 G_DEFINE_TYPE_WITH_CODE(GritsPluginAlert, grits_plugin_alert, G_TYPE_OBJECT,
925 G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
926 grits_plugin_alert_plugin_init));
927 static void grits_plugin_alert_plugin_init(GritsPluginInterface *iface)
929 g_debug("GritsPluginAlert: plugin_init");
930 /* Add methods to the interface */
931 iface->get_config = grits_plugin_alert_get_config;
933 static void grits_plugin_alert_init(GritsPluginAlert *alert)
935 g_debug("GritsPluginAlert: init");
937 alert->threads = g_thread_pool_new(_update, alert, 1, FALSE, NULL);
938 alert->config = _make_config(alert);
939 alert->http = grits_http_new(G_DIR_SEPARATOR_S
940 "alerts" G_DIR_SEPARATOR_S
941 "cap" G_DIR_SEPARATOR_S);
944 gchar *text; gsize len;
945 const gchar *file = PKGDATADIR G_DIR_SEPARATOR_S "fips.txt";
946 if (!g_file_get_contents(file, &text, &len, NULL))
947 g_error("GritsPluginAlert: init - error loading fips polygons");
948 fips_parse(text, &alert->counties, &alert->states);
951 static void grits_plugin_alert_dispose(GObject *gobject)
953 g_debug("GritsPluginAlert: dispose");
954 GritsPluginAlert *alert = GRITS_PLUGIN_ALERT(gobject);
955 /* Drop references */
957 GritsViewer *viewer = alert->viewer;
958 g_signal_handler_disconnect(viewer, alert->refresh_id);
959 g_signal_handler_disconnect(viewer, alert->time_changed_id);
960 soup_session_abort(alert->http->soup);
961 g_thread_pool_free(alert->threads, TRUE, TRUE);
962 if (alert->update_source)
963 g_source_remove(alert->update_source);
964 alert->viewer = NULL;
965 for (GList *cur = alert->msgs; cur; cur = cur->next) {
966 AlertMsg *msg = cur->data;
967 if (msg->county_based) grits_viewer_remove(viewer,
968 GRITS_OBJECT(msg->county_based));
969 if (msg->storm_based) grits_viewer_remove(viewer,
970 GRITS_OBJECT(msg->storm_based));
972 for (GList *cur = alert->states; cur; cur = cur->next)
973 grits_viewer_remove(viewer, cur->data);
974 gtk_widget_destroy(alert->details);
975 g_object_unref(alert->prefs);
976 g_object_unref(viewer);
978 G_OBJECT_CLASS(grits_plugin_alert_parent_class)->dispose(gobject);
980 static gboolean _unref_county(gpointer key, gpointer val, gpointer data)
985 static void grits_plugin_alert_finalize(GObject *gobject)
987 g_debug("GritsPluginAlert: finalize");
988 GritsPluginAlert *alert = GRITS_PLUGIN_ALERT(gobject);
989 g_list_foreach(alert->msgs, (GFunc)msg_free, NULL);
990 g_list_free(alert->msgs);
991 g_list_free(alert->states);
992 g_tree_foreach(alert->counties, (GTraverseFunc)_unref_county, NULL);
993 g_tree_destroy(alert->counties);
994 grits_http_free(alert->http);
995 G_OBJECT_CLASS(grits_plugin_alert_parent_class)->finalize(gobject);
997 static void grits_plugin_alert_class_init(GritsPluginAlertClass *klass)
999 g_debug("GritsPluginAlert: class_init");
1000 GObjectClass *gobject_class = (GObjectClass*)klass;
1001 gobject_class->dispose = grits_plugin_alert_dispose;
1002 gobject_class->finalize = grits_plugin_alert_finalize;