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/>.
26 #include "alert-info.h"
28 #define MSG_INDEX "http://alerts.weather.gov/cap/us.php?x=0"
30 /* Format for single cap alert:
31 * "http://alerts.weather.gov/cap/wwacapget.php?x="
32 * "AK20111012000500CoastalFloodWarning20111012151500"
33 * "AKAFGCFWAFG.6258a84eb1e8c34cd888057248224d10" */
38 /* AlertMsg data types */
41 char class [1 ]; char sep1;
42 char action[3 ]; char sep2;
43 char office[4 ]; char sep3;
44 char phenom[2 ]; char sep4;
45 char signif[1 ]; char sep5;
46 char event [4 ]; char sep6;
47 char begin [12]; char sep7;
48 char end [12]; char sep8;
52 /* Basic info (from alert index) */
53 char *title; // Winter Weather Advisory issued December 19 at 8:51PM
54 char *link; // http://www.weather.gov/alerts-beta/wwacapget.php?x=AK20101219205100AFGWinterWeatherAdvisoryAFG20101220030000AK
55 char *summary; // ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6
57 time_t effective; // 2010-12-19T20:51:00-09:00
58 time_t expires; // 2010-12-20T03:00:00-09:00
59 char *status; // Actual
60 char *urgency; // Expected
61 char *severity; // Minor
62 char *certainty; // Likely
63 char *area_desc; // Northeastern Brooks Range; Northwestern Brooks Range
64 char *fips6; // 006015 006023 006045 006105
65 AlertVtec *vtec; // /X.CON.PAFG.WW.Y.0064.000000T0000Z-101220T0300Z/
68 /* Advanced info (from CAP file) */
74 AlertInfo *info; // Link to info structure for this alert
75 GritsPoly *county_based; // Polygon for county-based warning
76 GritsPoly *storm_based; // Polygon for storm-based warning
79 /* AlertMsg parsing */
87 time_t msg_parse_time(gchar *iso8601)
90 g_time_val_from_iso8601(iso8601, &tv);
93 AlertVtec *msg_parse_vtec(char *buf)
95 AlertVtec *vtec = g_new0(AlertVtec, 1);
96 strncpy((char*)vtec, buf, sizeof(AlertVtec));
97 vtec->sep0 = vtec->sep1 = vtec->sep2 = '\0';
98 vtec->sep3 = vtec->sep4 = vtec->sep5 = '\0';
99 vtec->sep6 = vtec->sep7 = vtec->sep8 = '\0';
102 void msg_parse_text(GMarkupParseContext *context, const gchar *text,
103 gsize len, gpointer user_data, GError **error)
105 //g_debug("text %s", text);
106 ParseData *data = user_data;
109 data->text = g_strndup(text, len);
111 void msg_parse_index_start(GMarkupParseContext *context, const gchar *name,
112 const gchar **keys, const gchar **vals,
113 gpointer user_data, GError **error)
115 //g_debug("start %s", name);
116 ParseData *data = user_data;
117 if (g_str_equal(name, "entry"))
118 data->msg = g_new0(AlertMsg, 1);
120 void msg_parse_index_end(GMarkupParseContext *context, const gchar *name,
121 gpointer user_data, GError **error)
123 //g_debug("end %s", name);
124 ParseData *data = user_data;
125 AlertMsg *msg = data->msg;
126 char *text = data->text;
128 if (g_str_equal(name, "updated") && text && !data->updated)
129 data->updated = msg_parse_time(text);
131 if (g_str_equal(name, "entry"))
132 data->msgs = g_list_prepend(data->msgs, data->msg);
134 if (!text || !msg) return;
135 else if (g_str_equal(name, "title")) msg->title = g_strdup(text);
136 else if (g_str_equal(name, "id")) msg->link = g_strdup(text); // hack
137 else if (g_str_equal(name, "summary")) msg->summary = g_strdup(text);
138 else if (g_str_equal(name, "cap:effective")) msg->cap.effective = msg_parse_time(text);
139 else if (g_str_equal(name, "cap:expires")) msg->cap.expires = msg_parse_time(text);
140 else if (g_str_equal(name, "cap:status")) msg->cap.status = g_strdup(text);
141 else if (g_str_equal(name, "cap:urgency")) msg->cap.urgency = g_strdup(text);
142 else if (g_str_equal(name, "cap:severity")) msg->cap.severity = g_strdup(text);
143 else if (g_str_equal(name, "cap:certainty")) msg->cap.certainty = g_strdup(text);
144 else if (g_str_equal(name, "cap:areaDesc")) msg->cap.area_desc = g_strdup(text);
146 if (g_str_equal(name, "title"))
147 msg->info = alert_info_find(msg->title);
149 if (g_str_equal(name, "valueName")) {
150 if (data->value_name)
151 g_free(data->value_name);
152 data->value_name = g_strdup(text);
155 if (g_str_equal(name, "value") && data->value_name) {
156 if (g_str_equal(data->value_name, "FIPS6")) msg->cap.fips6 = g_strdup(text);
157 if (g_str_equal(data->value_name, "VTEC")) msg->cap.vtec = msg_parse_vtec(text);
160 void msg_parse_cap_end(GMarkupParseContext *context, const gchar *name,
161 gpointer user_data, GError **error)
163 ParseData *data = user_data;
164 AlertMsg *msg = data->msg;
165 char *text = data->text;
166 if (!text || !msg) return;
167 if (g_str_equal(name, "description")) msg->description = g_strdup(text);
168 else if (g_str_equal(name, "instruction")) msg->instruction = g_strdup(text);
169 else if (g_str_equal(name, "polygon")) msg->polygon = g_strdup(text);
172 /* AlertMsg methods */
173 GList *msg_parse_index(gchar *text, gsize len, time_t *updated)
175 g_debug("GritsPluginAlert: msg_parse");
176 GMarkupParser parser = {
177 .start_element = msg_parse_index_start,
178 .end_element = msg_parse_index_end,
179 .text = msg_parse_text,
182 GMarkupParseContext *context =
183 g_markup_parse_context_new(&parser, 0, &data, NULL);
184 g_markup_parse_context_parse(context, text, len, NULL);
185 g_markup_parse_context_free(context);
189 g_free(data.value_name);
190 *updated = data.updated;
194 void msg_parse_cap(AlertMsg *msg, gchar *text, gsize len)
196 g_debug("GritsPluginAlert: msg_parse_cap");
197 GMarkupParser parser = {
198 .end_element = msg_parse_cap_end,
199 .text = msg_parse_text,
201 ParseData data = { .msg = msg };
202 GMarkupParseContext *context =
203 g_markup_parse_context_new(&parser, 0, &data, NULL);
204 g_markup_parse_context_parse(context, text, len, NULL);
205 g_markup_parse_context_free(context);
209 /* Add spaces to description... */
210 static GRegex *regex = NULL;
212 regex = g_regex_new("\\.\\n", 0, G_REGEX_MATCH_NEWLINE_ANY, NULL);
213 if (msg->description && regex) {
214 char *old = msg->description;
215 msg->description = g_regex_replace_literal(
216 regex, old, -1, 0, ".\n\n", 0, NULL);
221 void msg_free(AlertMsg *msg)
225 g_free(msg->summary);
226 g_free(msg->cap.status);
227 g_free(msg->cap.urgency);
228 g_free(msg->cap.severity);
229 g_free(msg->cap.certainty);
230 g_free(msg->cap.area_desc);
231 g_free(msg->cap.fips6);
232 g_free(msg->cap.vtec);
233 g_free(msg->description);
234 g_free(msg->instruction);
235 g_free(msg->polygon);
239 void msg_print(GList *msgs)
241 g_message("msg_print");
242 for (GList *cur = msgs; cur; cur = cur->next) {
243 AlertMsg *msg = cur->data;
245 g_message(" title = %s", msg->title );
246 g_message(" link = %s", msg->link );
247 g_message(" summary = %s", msg->summary );
248 g_message(" cat.effective = %lu", msg->cap.effective);
249 g_message(" cat.expires = %lu", msg->cap.expires );
250 g_message(" cat.status = %s", msg->cap.status );
251 g_message(" cat.urgency = %s", msg->cap.urgency );
252 g_message(" cat.severity = %s", msg->cap.severity );
253 g_message(" cat.certainty = %s", msg->cap.certainty);
254 g_message(" cat.area_desc = %s", msg->cap.area_desc);
255 g_message(" cat.fips6 = %s", msg->cap.fips6 );
256 g_message(" cat.vtec = %p", msg->cap.vtec );
260 gchar *msg_find_nearest(GritsHttp *http, time_t when, gboolean offline)
262 GList *files = grits_http_available(http,
263 "^[0-9]*.xml$", "index", NULL, NULL);
265 time_t this_time = 0;
266 time_t nearest_time = offline ? 0 : time(NULL);
267 char *nearest_file = NULL;
269 for (GList *cur = files; cur; cur = cur->next) {
270 gchar *file = cur->data;
271 sscanf(file, "%ld", &this_time);
272 if (ABS(when - this_time) <
273 ABS(when - nearest_time)) {
275 nearest_time = this_time;
280 return g_strconcat("index/", nearest_file, NULL);
282 return g_strdup_printf("index/%ld.xml", time(NULL));
287 GList *msg_load_index(GritsHttp *http, time_t when, time_t *updated, gboolean offline)
289 /* Fetch current alerts */
290 gchar *tmp = msg_find_nearest(http, when, offline);
293 gchar *file = grits_http_fetch(http, MSG_INDEX, tmp, GRITS_ONCE, NULL, NULL);
299 gchar *text; gsize len;
300 g_file_get_contents(file, &text, &len, NULL);
301 GList *msgs = msg_parse_index(text, len, updated);
306 /* Delete unrecognized messages */
308 for (GList *cur = msgs; cur; cur = cur->next)
309 if (!((AlertMsg*)cur->data)->info)
310 dead = g_list_prepend(dead, cur->data);
311 for (GList *cur = dead; cur; cur = cur->next) {
312 AlertMsg *msg = cur->data;
313 g_warning("GritsPluginAlert: unknown msg type - %s", msg->title);
314 msgs = g_list_remove(msgs, msg);
322 void msg_load_cap(GritsHttp *http, AlertMsg *msg)
324 if (msg->description || msg->instruction || msg->polygon)
326 g_debug("GritsPlguinAlert: update_cap");
329 gchar *id = strrchr(msg->link, '=');
330 if (!id) return; id++;
331 gchar *dir = g_strdelimit(g_strdup(msg->info->abbr), " ", '_');
332 gchar *tmp = g_strdup_printf("%s/%s.xml", dir, id);
333 gchar *file = grits_http_fetch(http, msg->link, tmp, GRITS_ONCE, NULL, NULL);
340 gchar *text; gsize len;
341 g_file_get_contents(file, &text, &len, NULL);
342 msg_parse_cap(msg, text, len);
351 int fips_compare(int a, int b)
353 return (a < b) ? -1 :
357 GritsPoly *fips_combine(GList *polys)
359 /* Create points list */
360 GPtrArray *array = g_ptr_array_new();
361 for (GList *cur = polys; cur; cur = cur->next) {
362 GritsPoly *poly = cur->data;
363 gdouble (**points)[3] = poly->points;
364 for (int i = 0; points[i]; i++)
365 g_ptr_array_add(array, points[i]);
367 g_ptr_array_add(array, NULL);
368 gdouble (**points)[3] = (gpointer)g_ptr_array_free(array, FALSE);
370 /* Calculate center */
371 GritsBounds bounds = {-90, 90, -180, 180};
372 for (GList *cur = polys; cur; cur = cur->next) {
373 GritsObject *poly = cur->data;
374 gdouble lat = poly->center.lat;
375 gdouble lon = poly->center.lon;
376 if (lat > bounds.n) bounds.n = lat;
377 if (lat < bounds.s) bounds.s = lat;
378 if (lon > bounds.e) bounds.e = lon;
379 if (lon < bounds.w) bounds.w = lon;
381 GritsPoint center = {
382 .lat = (bounds.n + bounds.s)/2,
383 .lon = lon_avg(bounds.e, bounds.w),
387 GritsPoly *poly = grits_poly_new(points);
388 GRITS_OBJECT(poly)->skip |= GRITS_SKIP_CENTER;
389 GRITS_OBJECT(poly)->skip |= GRITS_SKIP_STATE;
390 GRITS_OBJECT(poly)->center = center;
391 g_object_weak_ref(G_OBJECT(poly), (GWeakNotify)g_free, points);
395 gboolean fips_group_state(gpointer key, gpointer value, gpointer data)
397 GList *counties = value;
398 GList **states = data;
399 GritsPoly *poly = fips_combine(counties);
400 GRITS_OBJECT(poly)->lod = EARTH_R/10;
401 *states = g_list_prepend(*states, poly);
402 g_list_free(counties);
406 void fips_parse(gchar *text, GTree **_counties, GList **_states)
408 g_debug("GritsPluginAlert: fips_parse");
409 GTree *counties = g_tree_new((GCompareFunc)fips_compare);
410 GTree *states = g_tree_new_full((GCompareDataFunc)g_strcmp0,
412 gchar **lines = g_strsplit(text, "\n", -1);
413 for (gint li = 0; lines[li]; li++) {
415 gchar **sparts = g_strsplit(lines[li], "\t", 4);
416 int nparts = g_strv_length(sparts);
422 /* Create GritsPoly */
423 GritsPoly *poly = grits_poly_parse(sparts[3], "\t", " ", ",");
425 /* Insert polys into the tree */
426 gint id = g_ascii_strtoll(sparts[0], NULL, 10);
427 g_tree_insert(counties, (gpointer)id, poly);
429 /* Insert into states list */
430 GList *list = g_tree_lookup(states, sparts[2]);
431 list = g_list_prepend(list, poly);
432 g_tree_replace(states, g_strdup(sparts[2]), list);
438 /* Group state counties */
439 *_counties = counties;
441 g_tree_foreach(states, (GTraverseFunc)fips_group_state, _states);
442 g_tree_destroy(states);
445 /********************
447 ********************/
448 static GtkWidget *_make_msg_details(AlertMsg *msg)
451 GtkWidget *title = gtk_label_new("");
452 gchar *title_str = g_markup_printf_escaped("<big><b>%s</b></big>",
453 msg->title ?: "No title provided");
454 gtk_label_set_use_markup(GTK_LABEL(title), TRUE);
455 gtk_label_set_markup(GTK_LABEL(title), title_str);
456 gtk_label_set_line_wrap(GTK_LABEL(title), TRUE);
457 gtk_misc_set_alignment(GTK_MISC(title), 0, 0);
458 gtk_widget_set_size_request(GTK_WIDGET(title), 500, -1);
461 GtkWidget *alert = gtk_scrolled_window_new(NULL, NULL);
462 GtkWidget *alert_view = gtk_text_view_new();
463 GtkTextBuffer *alert_buf = gtk_text_buffer_new(NULL);
464 gchar *alert_str = g_markup_printf_escaped("%s\n\n%s",
465 msg->description ?: "No description provided",
466 msg->instruction ?: "No instructions provided");
467 PangoFontDescription *alert_font = pango_font_description_from_string(
469 gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(alert),
470 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
471 gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(alert),
473 gtk_text_buffer_set_text(alert_buf, alert_str, -1);
474 gtk_text_view_set_buffer(GTK_TEXT_VIEW(alert_view), alert_buf);
475 gtk_widget_modify_font(GTK_WIDGET(alert_view), alert_font);
476 gtk_container_add(GTK_CONTAINER(alert), alert_view);
479 GtkWidget *align = gtk_alignment_new(0, 0, 1, 1);
480 GtkWidget *box = gtk_vbox_new(FALSE, 10);
481 gtk_alignment_set_padding(GTK_ALIGNMENT(align), 10, 10, 10, 10);
482 gtk_container_add(GTK_CONTAINER(align), box);
483 gtk_box_pack_start(GTK_BOX(box), title, FALSE, FALSE, 0);
484 gtk_box_pack_start(GTK_BOX(box), alert, TRUE, TRUE, 0);
489 static GtkWidget *_find_details(GtkNotebook *notebook, AlertMsg *msg)
491 int pages = gtk_notebook_get_n_pages(GTK_NOTEBOOK(notebook));
492 for (int i = 0; i < pages; i++) {
493 GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook), i);
494 if (msg == g_object_get_data(G_OBJECT(page), "msg"))
500 static void _show_details(GritsPoly *county, GritsPluginAlert *alert)
502 /* Add details for this messages */
503 AlertMsg *msg = g_object_get_data(G_OBJECT(county), "msg");
504 msg_load_cap(alert->http, msg);
506 GtkWidget *dialog = alert->details;
507 GtkWidget *content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
508 GList *list = gtk_container_get_children(GTK_CONTAINER(content));
509 GtkWidget *notebook = list->data;
510 GtkWidget *details = _find_details(GTK_NOTEBOOK(notebook), msg);
513 if (details == NULL) {
514 details = _make_msg_details(msg);
515 GtkWidget *label = gtk_label_new(msg->info->abbr);
516 g_object_set_data(G_OBJECT(details), "msg", msg);
517 gtk_notebook_append_page(GTK_NOTEBOOK(notebook), details, label);
520 gtk_widget_show_all(dialog);
521 gint num = gtk_notebook_page_num(GTK_NOTEBOOK(notebook), details);
522 gtk_notebook_set_current_page(GTK_NOTEBOOK(notebook), num);
525 /* Update counties */
526 static void _alert_leave(GritsPoly *county, GritsPluginAlert *alert)
528 g_debug("_alert_leave");
529 if (county->width == 3) {
530 county->color[3] = 0;
532 county->border[3] = 0.25;
535 grits_object_queue_draw(GRITS_OBJECT(county));
538 static void _alert_enter(GritsPoly *county, GritsPluginAlert *alert)
540 g_debug("_alert_enter");
541 if (county->width == 3) {
542 county->color[3] = 0.25;
544 county->border[3] = 1.0;
547 grits_object_queue_draw(GRITS_OBJECT(county));
550 /* Update polygons */
551 static void _load_common(GritsPluginAlert *alert, AlertMsg *msg, GritsPoly *poly,
552 float color, float border, int width)
554 g_object_set_data(G_OBJECT(poly), "msg", msg);
555 poly->color[0] = poly->border[0] = (float)msg->info->color[0] / 256;
556 poly->color[1] = poly->border[1] = (float)msg->info->color[1] / 256;
557 poly->color[2] = poly->border[2] = (float)msg->info->color[2] / 256;
558 poly->color[3] = color;
559 poly->border[3] = border;
561 GRITS_OBJECT(poly)->lod = 0;
562 GRITS_OBJECT(poly)->hidden = msg->info->hidden;
563 g_signal_connect(poly, "enter", G_CALLBACK(_alert_enter), alert);
564 g_signal_connect(poly, "leave", G_CALLBACK(_alert_leave), alert);
565 g_signal_connect(poly, "clicked", G_CALLBACK(_show_details), alert);
568 static GritsPoly *_load_storm_based(GritsPluginAlert *alert, AlertMsg *msg)
570 if (!msg->info->ispoly)
573 msg_load_cap(alert->http, msg);
575 GritsPoly *poly = grits_poly_parse(msg->polygon, "\t", " ", ",");
576 _load_common(alert, msg, poly, 0, 1, 3);
577 grits_viewer_add(alert->viewer, GRITS_OBJECT(poly), GRITS_LEVEL_WORLD+2, TRUE);
582 static GritsPoly *_load_county_based(GritsPluginAlert *alert, AlertMsg *msg)
584 /* Locate counties in the path of the storm */
585 gchar **fipses = g_strsplit(msg->cap.fips6, " ", -1);
586 GList *counties = NULL;
587 for (int i = 0; fipses[i]; i++) {
588 gint fips = g_ascii_strtoll(fipses[i], NULL, 10);
589 GritsPoly *county = g_tree_lookup(alert->counties, (gpointer)fips);
592 counties = g_list_prepend(counties, county);
596 /* No county based warning.. */
600 /* Create new county based warning */
601 GritsPoly *poly = fips_combine(counties);
602 _load_common(alert, msg, poly, 0.25, 0.25, 0);
603 grits_viewer_add(alert->viewer, GRITS_OBJECT(poly), GRITS_LEVEL_WORLD+1, FALSE);
605 g_list_free(counties);
610 static void _button_click(GtkToggleButton *button, gpointer _alert)
612 g_debug("GritsPluginAlert: _button_click");
613 GritsPluginAlert *alert = _alert;
614 AlertInfo *info = g_object_get_data(G_OBJECT(button), "info");
615 info->hidden = !gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
617 /* Show/hide each polygons */
618 for (GList *cur = alert->msgs; cur; cur = cur->next) {
619 AlertMsg *msg = cur->data;
620 if (msg->info != info)
622 if (msg->county_based) GRITS_OBJECT(msg->county_based)->hidden = info->hidden;
623 if (msg->storm_based) GRITS_OBJECT(msg->storm_based)->hidden = info->hidden;
625 gtk_widget_queue_draw(GTK_WIDGET(alert->viewer));
628 static GtkWidget *_button_new(AlertInfo *info)
630 g_debug("GritsPluginAlert: _button_new - %s", info->title);
631 GdkColor black = {0, 0, 0, 0};
632 GdkColor color = {0, info->color[0]<<8, info->color[1]<<8, info->color[2]<<8};
635 g_snprintf(text, sizeof(text), "<b>%.10s</b>", info->abbr);
637 GtkWidget *button = gtk_toggle_button_new();
638 GtkWidget *align = gtk_alignment_new(0.5, 0.5, 1, 1);
639 GtkWidget *cbox = gtk_event_box_new();
640 GtkWidget *label = gtk_label_new(text);
641 for (int state = 0; state < GTK_STATE_INSENSITIVE; state++) {
642 gtk_widget_modify_fg(label, state, &black);
643 gtk_widget_modify_bg(cbox, state, &color);
645 g_object_set_data(G_OBJECT(button), "info", info);
646 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
647 gtk_alignment_set_padding(GTK_ALIGNMENT(align), 2, 2, 4, 4);
648 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button), !info->hidden);
649 gtk_widget_set_tooltip_text(GTK_WIDGET(button), info->title);
650 gtk_container_add(GTK_CONTAINER(cbox), label);
651 gtk_container_add(GTK_CONTAINER(align), cbox);
652 gtk_container_add(GTK_CONTAINER(button), align);
656 static gboolean _update_buttons(GritsPluginAlert *alert)
658 g_debug("GritsPluginAlert: _update_buttons");
659 GtkWidget *alerts = g_object_get_data(G_OBJECT(alert->config), "alerts");
660 GtkWidget *updated = g_object_get_data(G_OBJECT(alert->config), "updated");
662 /* Determine which buttons to show */
663 for (int i = 0; alert_info[i].title; i++)
664 alert_info[i].current = FALSE;
665 for (GList *cur = alert->msgs; cur; cur = cur->next) {
666 AlertMsg *msg = cur->data;
667 msg->info->current = TRUE;
670 /* Delete old buttons */
671 GList *frames = gtk_container_get_children(GTK_CONTAINER(alerts));
672 for (GList *frame = frames; frame; frame = frame->next) {
673 GtkWidget *table = gtk_bin_get_child(GTK_BIN(frame->data));
674 GList *btns = gtk_container_get_children(GTK_CONTAINER(table));
675 g_list_foreach(btns, (GFunc)gtk_widget_destroy, NULL);
680 /* Add new buttons */
681 for (int i = 0; alert_info[i].title; i++) {
682 if (!alert_info[i].current)
685 GtkWidget *table = g_object_get_data(G_OBJECT(alerts),
686 alert_info[i].category);
687 GList *kids = gtk_container_get_children(GTK_CONTAINER(table));
688 gint nkids = g_list_length(kids);
690 gtk_table_get_size(GTK_TABLE(table), &rows, &cols);
691 gint x = nkids % cols;
692 gint y = nkids / cols;
695 GtkWidget *button = _button_new(&alert_info[i]);
696 gtk_table_attach(GTK_TABLE(table), button, x, x+1, y, y+1,
697 GTK_FILL|GTK_EXPAND, GTK_FILL, 0, 0);
698 g_signal_connect(button, "clicked",
699 G_CALLBACK(_button_click), alert);
702 /* Set time widget */
703 struct tm *tm = gmtime(&alert->updated);
704 gchar *date_str = g_strdup_printf(" <b><i>%04d-%02d-%02d %02d:%02d</i></b>",
705 tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
706 tm->tm_hour, tm->tm_min);
707 gtk_label_set_markup(GTK_LABEL(updated), date_str);
710 gtk_widget_show_all(GTK_WIDGET(alert->config));
714 static gint _sort_warnings(gconstpointer _a, gconstpointer _b)
716 const AlertMsg *a=_a, *b=_b;
717 return (a->info->prior < b->info->prior) ? -1 :
718 (a->info->prior == b->info->prior) ? 0 : 1;
721 static void _update_warnings(GritsPluginAlert *alert, GList *old)
723 g_debug("GritsPluginAlert: _update_warnings");
726 * reversed here since they're added
727 * to the viewer in reverse order */
728 alert->msgs = g_list_sort(alert->msgs, _sort_warnings);
730 /* Remove old messages */
731 for (GList *cur = old; cur; cur = cur->next) {
732 AlertMsg *msg = cur->data;
733 if (msg->county_based) grits_viewer_remove(alert->viewer,
734 GRITS_OBJECT(msg->county_based));
735 if (msg->storm_based) grits_viewer_remove(alert->viewer,
736 GRITS_OBJECT(msg->storm_based));
739 /* Add new messages */
740 for (GList *cur = alert->msgs; cur; cur = cur->next) {
741 AlertMsg *msg = cur->data;
742 msg->county_based = _load_county_based(alert, msg);
743 msg->storm_based = _load_storm_based(alert, msg);
746 g_debug("GritsPluginAlert: _load_warnings - end");
750 static void _update(gpointer _, gpointer _alert)
752 GritsPluginAlert *alert = _alert;
753 GList *old = alert->msgs;
754 g_debug("GritsPluginAlert: _update");
756 time_t when = grits_viewer_get_time(alert->viewer);
757 gboolean offline = grits_viewer_get_offline(alert->viewer);
758 if (!(alert->msgs = msg_load_index(alert->http, when, &alert->updated, offline)))
761 g_idle_add((GSourceFunc)_update_buttons, alert);
762 _update_warnings(alert, old);
764 g_list_foreach(old, (GFunc)msg_free, NULL);
767 gtk_widget_queue_draw(GTK_WIDGET(alert->viewer));
768 g_debug("GritsPluginAlert: _update - end");
771 static void _on_update(GritsPluginAlert *alert)
773 g_thread_pool_push(alert->threads, NULL+1, NULL);
777 static GtkWidget *_make_config(void)
779 GtkWidget *config = gtk_vbox_new(FALSE, 0);
781 /* Setup tools area */
782 GtkWidget *tools = gtk_hbox_new(FALSE, 10);
783 GtkWidget *updated = gtk_label_new(" Loading...");
784 gtk_label_set_use_markup(GTK_LABEL(updated), TRUE);
785 gtk_box_pack_start(GTK_BOX(tools), updated, FALSE, FALSE, 0);
786 gtk_box_pack_start(GTK_BOX(config), tools, FALSE, FALSE, 0);
787 g_object_set_data(G_OBJECT(config), "updated", updated);
790 gchar *labels[] = {"<b>Warnings</b>", "<b>Watches</b>",
791 "<b>Advisories</b>", "<b>Other</b>"};
792 gchar *keys[] = {"warning", "watch", "advisory", "other"};
793 gint cols[] = {2, 2, 3, 2};
794 GtkWidget *alerts = gtk_hbox_new(FALSE, 10);
795 for (int i = 0; i < G_N_ELEMENTS(labels); i++) {
796 GtkWidget *frame = gtk_frame_new(labels[i]);
797 GtkWidget *table = gtk_table_new(1, cols[i], TRUE);
798 GtkWidget *label = gtk_frame_get_label_widget(GTK_FRAME(frame));
799 gtk_label_set_use_markup(GTK_LABEL(label), TRUE);
800 gtk_frame_set_shadow_type(GTK_FRAME(frame), GTK_SHADOW_NONE);
801 gtk_container_add(GTK_CONTAINER(frame), table);
802 gtk_box_pack_start(GTK_BOX(alerts), frame, TRUE, TRUE, 0);
803 g_object_set_data(G_OBJECT(alerts), keys[i], table);
805 gtk_box_pack_start(GTK_BOX(config), alerts, TRUE, TRUE, 0);
806 g_object_set_data(G_OBJECT(config), "alerts", alerts);
811 static gboolean _clear_details(GtkWidget *dialog)
813 GtkWidget *content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
814 GList *list = gtk_container_get_children(GTK_CONTAINER(content));
815 GtkWidget *notebook = list->data;
817 gtk_widget_hide(dialog);
818 while (gtk_notebook_get_n_pages(GTK_NOTEBOOK(notebook)))
819 gtk_notebook_remove_page(GTK_NOTEBOOK(notebook), 0);
823 static gboolean _set_details_uri(GtkWidget *notebook, GtkNotebookPage *_,
824 guint num, GtkWidget *button)
826 g_debug("_set_details_uri");
827 GtkWidget *page = gtk_notebook_get_nth_page(GTK_NOTEBOOK(notebook), num);
828 AlertMsg *msg = g_object_get_data(G_OBJECT(page), "msg");
829 gtk_link_button_set_uri(GTK_LINK_BUTTON(button), msg->link);
833 static GtkWidget *_make_details(GritsViewer *viewer)
835 GtkWidget *dialog = gtk_dialog_new();
836 GtkWidget *action = gtk_dialog_get_action_area (GTK_DIALOG(dialog));
837 GtkWidget *content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
838 GtkWidget *notebook = gtk_notebook_new();
839 GtkWidget *win = gtk_widget_get_toplevel(GTK_WIDGET(viewer));
840 GtkWidget *link = gtk_link_button_new_with_label("", "Full Text");
842 gtk_window_set_transient_for(GTK_WINDOW(dialog), GTK_WINDOW(win));
843 gtk_window_set_title(GTK_WINDOW(dialog), "Alert Details - AWeather");
844 gtk_window_set_default_size(GTK_WINDOW(dialog), 625, 500);
845 gtk_notebook_set_scrollable(GTK_NOTEBOOK(notebook), TRUE);
846 gtk_container_add(GTK_CONTAINER(content), notebook);
847 gtk_box_pack_end(GTK_BOX(action), link, 0, 0, 0);
848 gtk_dialog_add_button(GTK_DIALOG(dialog), GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE);
850 g_signal_connect(dialog, "response", G_CALLBACK(_clear_details), NULL);
851 g_signal_connect(dialog, "delete-event", G_CALLBACK(_clear_details), NULL);
852 g_signal_connect(notebook, "switch-page", G_CALLBACK(_set_details_uri), link);
858 GritsPluginAlert *grits_plugin_alert_new(GritsViewer *viewer, GritsPrefs *prefs)
860 g_debug("GritsPluginAlert: new");
861 GritsPluginAlert *alert = g_object_new(GRITS_TYPE_PLUGIN_ALERT, NULL);
862 alert->details = _make_details(viewer);
863 alert->viewer = g_object_ref(viewer);
864 alert->prefs = g_object_ref(prefs);
866 alert->refresh_id = g_signal_connect_swapped(alert->viewer, "refresh",
867 G_CALLBACK(_on_update), alert);
868 alert->time_changed_id = g_signal_connect_swapped(alert->viewer, "time_changed",
869 G_CALLBACK(_on_update), alert);
871 for (GList *cur = alert->states; cur; cur = cur->next)
872 grits_viewer_add(viewer, cur->data, GRITS_LEVEL_WORLD+1, FALSE);
878 static GtkWidget *grits_plugin_alert_get_config(GritsPlugin *_alert)
880 GritsPluginAlert *alert = GRITS_PLUGIN_ALERT(_alert);
881 return alert->config;
886 static void grits_plugin_alert_plugin_init(GritsPluginInterface *iface);
887 G_DEFINE_TYPE_WITH_CODE(GritsPluginAlert, grits_plugin_alert, G_TYPE_OBJECT,
888 G_IMPLEMENT_INTERFACE(GRITS_TYPE_PLUGIN,
889 grits_plugin_alert_plugin_init));
890 static void grits_plugin_alert_plugin_init(GritsPluginInterface *iface)
892 g_debug("GritsPluginAlert: plugin_init");
893 /* Add methods to the interface */
894 iface->get_config = grits_plugin_alert_get_config;
896 static void grits_plugin_alert_init(GritsPluginAlert *alert)
898 g_debug("GritsPluginAlert: init");
900 alert->threads = g_thread_pool_new(_update, alert, 1, TRUE, NULL);
901 alert->config = _make_config();
902 alert->http = grits_http_new(G_DIR_SEPARATOR_S
903 "alerts" G_DIR_SEPARATOR_S
904 "cap" G_DIR_SEPARATOR_S);
907 gchar *text; gsize len;
908 const gchar *file = PKGDATADIR G_DIR_SEPARATOR_S "fips.txt";
909 if (!g_file_get_contents(file, &text, &len, NULL))
910 g_error("GritsPluginAlert: init - error loading fips polygons");
911 fips_parse(text, &alert->counties, &alert->states);
914 static void grits_plugin_alert_dispose(GObject *gobject)
916 g_debug("GritsPluginAlert: dispose");
917 GritsPluginAlert *alert = GRITS_PLUGIN_ALERT(gobject);
918 /* Drop references */
920 GritsViewer *viewer = alert->viewer;
921 alert->viewer = NULL;
922 g_signal_handler_disconnect(viewer, alert->refresh_id);
923 g_signal_handler_disconnect(viewer, alert->time_changed_id);
924 soup_session_abort(alert->http->soup);
925 g_thread_pool_free(alert->threads, TRUE, TRUE);
926 gtk_widget_destroy(alert->details);
927 while (gtk_events_pending())
928 gtk_main_iteration();
929 for (GList *cur = alert->msgs; cur; cur = cur->next) {
930 AlertMsg *msg = cur->data;
931 if (msg->county_based) grits_viewer_remove(viewer,
932 GRITS_OBJECT(msg->county_based));
933 if (msg->storm_based) grits_viewer_remove(viewer,
934 GRITS_OBJECT(msg->storm_based));
936 for (GList *cur = alert->states; cur; cur = cur->next)
937 grits_viewer_remove(viewer, cur->data);
938 g_object_unref(alert->prefs);
939 g_object_unref(viewer);
941 G_OBJECT_CLASS(grits_plugin_alert_parent_class)->dispose(gobject);
943 static gboolean _unref_county(gpointer key, gpointer val, gpointer data)
948 static void grits_plugin_alert_finalize(GObject *gobject)
950 g_debug("GritsPluginAlert: finalize");
951 GritsPluginAlert *alert = GRITS_PLUGIN_ALERT(gobject);
952 g_list_foreach(alert->msgs, (GFunc)msg_free, NULL);
953 g_list_free(alert->msgs);
954 g_list_free(alert->states);
955 g_tree_foreach(alert->counties, (GTraverseFunc)_unref_county, NULL);
956 g_tree_destroy(alert->counties);
957 grits_http_free(alert->http);
958 G_OBJECT_CLASS(grits_plugin_alert_parent_class)->finalize(gobject);
960 static void grits_plugin_alert_class_init(GritsPluginAlertClass *klass)
962 g_debug("GritsPluginAlert: class_init");
963 GObjectClass *gobject_class = (GObjectClass*)klass;
964 gobject_class->dispose = grits_plugin_alert_dispose;
965 gobject_class->finalize = grits_plugin_alert_finalize;