aboutsummaryrefslogtreecommitdiff
path: root/src/datetime-service.c
blob: 1f3eac6dd9d5e1e808f46bd16128b7efaed4d5c8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
/*
An indicator to time and date related information in the menubar.

Copyright 2010 Canonical Ltd.

Authors:
    Ted Gould <ted@canonical.com>

This program is free software: you can redistribute it and/or modify it 
under the terms of the GNU General Public License version 3, as published 
by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but 
WITHOUT ANY WARRANTY; without even the implied warranties of 
MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR 
PURPOSE.  See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along 
with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <config.h>
#include <libindicator/indicator-service.h>
#include <locale.h>

#include <gtk/gtk.h>
#include <gdk/gdk.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <math.h>

#include <libdbusmenu-gtk/menuitem.h>
#include <libdbusmenu-glib/server.h>
#include <libdbusmenu-glib/client.h>
#include <libdbusmenu-glib/menuitem.h>

#include <geoclue/geoclue-master.h>
#include <geoclue/geoclue-master-client.h>

#include <time.h>
#include <libecal/e-cal.h>
#include <libical/ical.h>
#include <libecal/e-cal-time-util.h>
#include <libedataserver/e-source.h>
#include <libedataserverui/e-passwords.h>
// Other users of ecal seem to also include these, not sure why they should be included by the above
#include <libical/icaltime.h>
#include <cairo/cairo.h>


#include <oobs/oobs-timeconfig.h>

#include "datetime-interface.h"
#include "dbus-shared.h"
#include "settings-shared.h"


static void geo_create_client (GeoclueMaster * master, GeoclueMasterClient * client, gchar * path, GError * error, gpointer user_data);
static gboolean update_appointment_menu_items (gpointer user_data);
static gboolean update_timezone_menu_items(gpointer user_data);
static void setup_timer (void);
static void geo_client_invalid (GeoclueMasterClient * client, gpointer user_data);
static void geo_address_change (GeoclueMasterClient * client, gchar * a, gchar * b, gchar * c, gchar * d, gpointer user_data);

static IndicatorService * service = NULL;
static GMainLoop * mainloop = NULL;
static DbusmenuServer * server = NULL;
static DbusmenuMenuitem * root = NULL;
static DatetimeInterface * dbus = NULL;

/* Global Items */
static DbusmenuMenuitem * date = NULL;
static DbusmenuMenuitem * calendar = NULL;
static DbusmenuMenuitem * settings = NULL;
static DbusmenuMenuitem * locations_separator = NULL;
static DbusmenuMenuitem * geo_location = NULL;
static DbusmenuMenuitem * current_location = NULL;
//static DbusmenuMenuitem * ecal_location = NULL;
static DbusmenuMenuitem * add_appointment = NULL;
static GList			* appointments = NULL;
static GList			* dconflocations = NULL;
GSettings *conf;


/* Geoclue trackers */
static GeoclueMasterClient * geo_master = NULL;
static GeoclueAddress * geo_address = NULL;

/* Our 2 important timezones */
static gchar 			* current_timezone = NULL;
static gchar 			* geo_timezone = NULL;

/* Check to see if our timezones are the same */
static void
check_timezone_sync (void) {
	gchar * label;
	gboolean in_sync = FALSE;
	
	if (geo_timezone == NULL) {
		in_sync = TRUE;
	}

	if (current_timezone == NULL) {
		in_sync = TRUE;
	}

	if (!in_sync && g_strcmp0(geo_timezone, current_timezone) == 0) {
		in_sync = TRUE;
	}

	if (in_sync) {
		g_debug("Timezones in sync");
	} else {
		g_debug("Timezones are different");
	}

	if (geo_location != NULL && current_location != NULL) {
		g_debug("Got timezone %s", current_timezone);
		g_debug("Got timezone %s", geo_timezone);
		// Show neither current location nor geo location if both are the same
		// however, we want to set their time and label accordingly
		if (in_sync) {
			if (current_timezone == NULL && geo_timezone == NULL) {
				dbusmenu_menuitem_property_set_bool(locations_separator, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
				dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
				dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
				update_timezone_menu_items(NULL); // Update the timezone menu items 
				return;
			}
			
			dbusmenu_menuitem_property_set_bool (locations_separator, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
			dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
			dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
			dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
			dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
			
			if (current_timezone != NULL) {
				label = current_timezone;
			} else {
				label = geo_timezone;
			}
			
			if (label != NULL) {
				// TODO work out the current location name in a nice way
				dbusmenu_menuitem_property_set (current_location, TIMEZONE_MENUITEM_PROP_ZONE, label);
				// TODO work out the current time at that location 
				dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
				dbusmenu_menuitem_property_set_bool(current_location, TIMEZONE_MENUITEM_PROP_RADIO, TRUE);
			} else {
				g_debug("Label for current location is null, this shouldn't happen");
			}
			if (geo_timezone != NULL) {	
				// TODO work out the geo location name in a nice way
				dbusmenu_menuitem_property_set (geo_location, TIMEZONE_MENUITEM_PROP_ZONE, geo_timezone);
				// TODO work out the current time at that location 
				dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
			}
		} else {
			// TODO work out the geo location name in a nice way
			dbusmenu_menuitem_property_set (geo_location, TIMEZONE_MENUITEM_PROP_ZONE, geo_timezone);
			// TODO work out the current time at that location 
			dbusmenu_menuitem_property_set_bool(geo_location, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
			
			// TODO work out the current location name in a nice way
			dbusmenu_menuitem_property_set (current_location, TIMEZONE_MENUITEM_PROP_ZONE, current_timezone);
			// TODO work out the current time at that location 
			dbusmenu_menuitem_property_set_bool(current_location, TIMEZONE_MENUITEM_PROP_RADIO, TRUE);
			dbusmenu_menuitem_property_set_bool(current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
			dbusmenu_menuitem_property_set_bool(locations_separator, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
		}
	}
	g_debug("Finished checking timezone sync");
	update_timezone_menu_items(NULL); // Update the timezone menu items 

	return;
}

/* Update the current timezone */
static void
update_current_timezone (void) {
	/* Clear old data */
	if (current_timezone != NULL) {
		g_free(current_timezone);
		current_timezone = NULL;
	}

	GError * error = NULL;
	gchar * tempzone = NULL;
	if (!g_file_get_contents(TIMEZONE_FILE, &tempzone, NULL, &error)) {
		g_warning("Unable to read timezone file '" TIMEZONE_FILE "': %s", error->message);
		g_error_free(error);
		return;
	}

	/* This shouldn't happen, so let's make it a big boom! */
	g_return_if_fail(tempzone != NULL);

	/* Note: this really makes sense as strstrip works in place
	   so we end up with something a little odd without the dup
	   so we have the dup to make sure everything is as expected
	   for everyone else. */
	current_timezone = g_strdup(g_strstrip(tempzone));
	g_free(tempzone);

	g_debug("System timezone is: %s", current_timezone);

	check_timezone_sync();

	return;
}

/* See how our timezone setting went */
static void
quick_set_tz_cb (OobsObject * obj, OobsResult result, gpointer user_data)
{
	if (result == OOBS_RESULT_OK) {
		g_debug("Timezone set");
	} else {
		g_warning("Unable to quick set timezone");
	}
	return;
}

/* Set the timezone to the Geoclue discovered one */
static void
quick_set_tz (DbusmenuMenuitem * menuitem, guint timestamp, gpointer user_data)
{
	const gchar * tz = dbusmenu_menuitem_property_get(menuitem, TIMEZONE_MENUITEM_PROP_ZONE);

	g_debug("Quick setting timezone to: %s", tz);

	g_return_if_fail(tz != NULL);

	if (g_strcmp0(tz, current_timezone) == 0)
		return;

	OobsObject * obj = oobs_time_config_get();
	g_return_if_fail(obj != NULL);

	OobsTimeConfig * timeconfig = OOBS_TIME_CONFIG(obj);
	oobs_time_config_set_timezone(timeconfig, tz);

	oobs_object_commit_async(obj, quick_set_tz_cb, NULL);

	return;
}

/* Updates the label in the date menuitem */
static gboolean
update_datetime (gpointer user_data)
{
	g_debug("Updating Date/Time");

	gchar longstr[128];
	time_t t;
	struct tm *ltime;

	t = time(NULL);
	ltime = localtime(&t);
	if (ltime == NULL) {
		g_warning("Error getting local time");
		dbusmenu_menuitem_property_set(date, DBUSMENU_MENUITEM_PROP_LABEL, _("Error getting time"));
		return FALSE;
	}

	/* Note: may require some localization tweaks */
	strftime(longstr, 128, "%A, %e %B %Y", ltime);
	
	gchar * utf8 = g_locale_to_utf8(longstr, -1, NULL, NULL, NULL);
	dbusmenu_menuitem_property_set(date, DBUSMENU_MENUITEM_PROP_LABEL, utf8);
	g_free(utf8);

	return FALSE;
}

/* Run a particular program based on an activation */
static void
activate_cb (DbusmenuMenuitem * menuitem, guint timestamp, const gchar *command)
{
	GError * error = NULL;

	g_debug("Issuing command '%s'", command);
	if (!g_spawn_command_line_async(command, &error)) {
		g_warning("Unable to start %s: %s", (char *)command, error->message);
		g_error_free(error);
	}
}

/* Looks for the calendar application and enables the item if
   we have one */
static gboolean
check_for_calendar (gpointer user_data)
{
	g_return_val_if_fail (calendar != NULL, FALSE);

	gchar *evo = g_find_program_in_path("evolution");
	if (evo != NULL) {
		g_debug("Found the calendar application: %s", evo);
		dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
		dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
/*
		GError *gerror = NULL;
		// TODO: In reality we should iterate sources of calendar, but getting the local one doens't lag for > a minute
		g_debug("Setting up ecal.");
		if (!ecal)
			ecal = e_cal_new_system_calendar();
	
		if (!ecal) {
			g_debug("e_cal_new_system_calendar failed");
			ecal = NULL;
		}
		g_debug("Open calendar.");
		if (!e_cal_open(ecal, FALSE, &gerror) ) {
			g_debug("e_cal_open: %s\n", gerror->message);
			g_free(ecal);
			ecal = NULL;
		}
		g_debug("Get calendar timezone.");
		if (!e_cal_get_timezone(ecal, "UTC", &tzone, &gerror)) {
			g_debug("failed to get time zone\n");
			g_free(ecal);
			ecal = NULL;
		}
	
		 This timezone represents the timezone of the calendar, this might be different to the current UTC offset.
		 * this means we'll have some geoclue interaction going on, and possibly the user will be involved in setting
		 * their location manually, case in point: trains have satellite links which often geoclue to sweden,
		 * this shouldn't automatically set the location and mess up all the appointments for the user.
		 
		if (ecal) ecal_timezone = icaltimezone_get_tzid(tzone);
		*/
		DbusmenuMenuitem * separator = dbusmenu_menuitem_new();
		dbusmenu_menuitem_property_set(separator, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
		dbusmenu_menuitem_child_add_position(root, separator, 3);

		add_appointment = dbusmenu_menuitem_new();
		dbusmenu_menuitem_property_set     (add_appointment, DBUSMENU_MENUITEM_PROP_LABEL, _("Add Appointment"));
		dbusmenu_menuitem_property_set_bool(add_appointment, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
		dbusmenu_menuitem_property_set_bool(add_appointment, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
		g_signal_connect(G_OBJECT(add_appointment), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(activate_cb), "evolution -c calendar");
		dbusmenu_menuitem_child_add_position (root, add_appointment, 3);

		update_appointment_menu_items(NULL);
		g_signal_connect(root, DBUSMENU_MENUITEM_SIGNAL_ABOUT_TO_SHOW, G_CALLBACK(update_appointment_menu_items), NULL);	

		g_free(evo);
	} else {
		g_debug("Unable to find calendar app.");
		dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
		dbusmenu_menuitem_property_set_bool(add_appointment, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
	}

	return FALSE;
}


static gboolean
update_timezone_menu_items(gpointer user_data) {
	g_debug("Updating timezone menu items");
	gchar ** locations = g_settings_get_strv(conf, SETTINGS_LOCATIONS_S);
	if (locations == NULL) { 
		g_debug("No locations configured (NULL)");
		return FALSE;
	} 
	guint len = g_strv_length(locations);
	DbusmenuMenuitem *item;
	gint i, offset;
	
	/* Remove all of the previous locations */
	if (dconflocations != NULL) {
		g_debug("Freeing old locations");
		while (dconflocations != NULL) {
			DbusmenuMenuitem * litem =  DBUSMENU_MENUITEM(dconflocations->data);
			g_debug("Freeing old location: %p", litem);
			// Remove all the existing menu items which are in dconflocations.
			dconflocations = g_list_remove(dconflocations, litem);
			dbusmenu_menuitem_child_delete(root, DBUSMENU_MENUITEM(litem));
			g_object_unref(G_OBJECT(litem));
		}
	}
	
	// TODO: Remove items from the dconflocations at the end of the iteration
	// Make sure if there are multiple locations, our current location is shown
	if (len > 0) {
		dbusmenu_menuitem_property_set_bool (locations_separator, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
		dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
		dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
	} else {
		g_debug("No locations configured (Empty List)");
		return FALSE;
	}
	
	offset = dbusmenu_menuitem_get_position (current_location, root)+1;
	for (i = 0; i < len; i++) {
		// Iterate over configured places and add any which aren't already listed
		if (g_strcmp0(locations[i], current_timezone) != 0 &&
		    g_strcmp0(locations[i], geo_timezone) != 0) {
			g_debug("Adding timezone in update_timezones %s", locations[i]);
			item = dbusmenu_menuitem_new();
			dbusmenu_menuitem_property_set      (item, DBUSMENU_MENUITEM_PROP_TYPE, TIMEZONE_MENUITEM_TYPE);
			dbusmenu_menuitem_property_set		(item, TIMEZONE_MENUITEM_PROP_ZONE, locations[i]);
			dbusmenu_menuitem_property_set_bool (item, TIMEZONE_MENUITEM_PROP_RADIO, FALSE);
			dbusmenu_menuitem_property_set_bool (item, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
			dbusmenu_menuitem_property_set_bool (item, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
			dbusmenu_menuitem_child_add_position (root, item, offset++);
			g_signal_connect(G_OBJECT(item), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(quick_set_tz), NULL);
			dconflocations = g_list_append(dconflocations, item);
		}
	}
	g_strfreev (locations);
	// Get the evolution calendar timezone as a place and time and add it
	return FALSE;
}

// Authentication function
static gchar *
auth_func (ECal *ecal, const gchar *prompt, const gchar *key, gpointer user_data) {
	gboolean remember; // TODO: Is this useful?  Should we be storing it somewhere?
	ESource *source = e_cal_get_source (ecal);
	gchar *auth_domain = e_source_get_duped_property (source, "auth-domain");

	const gchar *component_name;
	if (auth_domain) component_name = auth_domain;
	else component_name = "Calendar";
	
	gchar *password = e_passwords_get_password (component_name, key);

	if (password == NULL) {
		password = e_passwords_ask_password (
			_("Enter password"),
			component_name, key, prompt,
			E_PASSWORDS_REMEMBER_FOREVER |
			E_PASSWORDS_SECRET |
			E_PASSWORDS_ONLINE,
			&remember, NULL);
	}
	
	g_free (auth_domain);

	return password;
}


// Compare function for g_list_sort of ECalComponent objects
static gint 
compare_appointment_items (ECalComponent *a,
                           ECalComponent *b) {
                                       
	ECalComponentDateTime datetime_a, datetime_b;
	struct tm tm_a, tm_b;
	time_t t_a, t_b;
	gint retval = 0;

	if (a == NULL || b == NULL) return retval;

	ECalComponentVType vtype = e_cal_component_get_vtype (a);
	
	if (vtype != E_CAL_COMPONENT_EVENT && vtype != E_CAL_COMPONENT_TODO) return -1;
	
	if (vtype == E_CAL_COMPONENT_EVENT)
		e_cal_component_get_dtstart (a, &datetime_a);
	else
	    e_cal_component_get_due (a, &datetime_a);
	tm_a = icaltimetype_to_tm(datetime_a.value);
	t_a = mktime(&tm_a);
	
	vtype = e_cal_component_get_vtype (b);
	if (vtype != E_CAL_COMPONENT_EVENT && vtype != E_CAL_COMPONENT_TODO) return 1;
	
	if (vtype == E_CAL_COMPONENT_EVENT)
		e_cal_component_get_dtstart (b, &datetime_b);
	else
	    e_cal_component_get_due (b, &datetime_b);
	tm_b = icaltimetype_to_tm(datetime_b.value);
	t_b = mktime(&tm_b);

	// Compare datetime_a and datetime_b, newest first in this sort.
	if (t_a > t_b) retval = 1;
	else if (t_a < t_b) retval = -1;
	
	e_cal_component_free_datetime (&datetime_a);
	e_cal_component_free_datetime (&datetime_b);
	return retval;
}

/* Populate the menu with todays, next 5 appointments. 
 * we should hook into the ABOUT TO SHOW signal and use that to update the appointments.
 * Experience has shown that caldav's and webcals can be slow to load from eds
 * this is a problem mainly on the EDS side of things, not ours. 
 */
static gboolean
update_appointment_menu_items (gpointer user_data) {
	// FFR: we should take into account short term timers, for instance
	// tea timers, pomodoro timers etc... that people may add, this is hinted to in the spec.
	time_t t1, t2;
	gchar *query, *is, *ie, *ad;
	GList *objects = NULL, *l;
	GList *allobjects = NULL;
	GSList *g;
	GError *gerror = NULL;
	gint i;
	gint width, height;
	ESourceList * sources = NULL;
	
	time(&t1);
	time(&t2);
	t2 += (time_t) (7 * 24 * 60 * 60); /* 7 days ahead of now */

	is = isodate_from_time_t(t1);
	ie = isodate_from_time_t(t2);
	
	gtk_icon_size_lookup(GTK_ICON_SIZE_MENU, &width, &height);

	/* Remove all of the previous appointments */
	if (appointments != NULL) {
		g_debug("Freeing old appointments");
		while (appointments != NULL) {
			DbusmenuMenuitem * litem =  DBUSMENU_MENUITEM(appointments->data);
			g_debug("Freeing old appointment: %p", litem);
			// Remove all the existing menu items which are in appointments.
			appointments = g_list_remove(appointments, litem);
			dbusmenu_menuitem_child_delete(root, DBUSMENU_MENUITEM(litem));
			g_object_unref(G_OBJECT(litem));
		}
	}
	
	// TODO Remove all highlights from the calendar widget

	// FIXME can we put a limit on the number of results? Or if not complete, or is event/todo? Or sort it by date?
	query = g_strdup_printf("(occur-in-time-range? (make-time\"%s\") (make-time\"%s\"))", is, ie);
	
	if (!e_cal_get_sources(&sources, E_CAL_SOURCE_TYPE_EVENT, &gerror)) {
		g_debug("Failed to get ecal sources\n");
		return FALSE;
	}

	// iterate the query for all sources
	for (g = e_source_list_peek_groups (sources); g; g = g->next) {
		ESourceGroup *group = E_SOURCE_GROUP (g->data);
		GSList *s;
		
		for (s = e_source_group_peek_sources (group); s; s = s->next) {
			ESource *source = E_SOURCE (s->data);
			g_signal_connect (G_OBJECT(source), "changed", G_CALLBACK (update_appointment_menu_items), NULL);
			ECal *ecal = e_cal_new(source, E_CAL_SOURCE_TYPE_EVENT);
			e_cal_set_auth_func (ecal, (ECalAuthFunc) auth_func, NULL);
			//icaltimezone * tzone;
			
			if (!e_cal_open(ecal, FALSE, &gerror)) {
				g_debug("Failed to get ecal sources %s", gerror->message);
				g_error_free(gerror);
				gerror = NULL;
				continue;
        	}
			
			g_debug("Getting objects with query: %s", query);
			if (!e_cal_get_object_list_as_comp(ecal, query, &objects, &gerror)) {
				g_debug("Failed to get objects\n");
				g_free(ecal);
				return FALSE;
			}
			g_debug("Number of objects returned: %d", g_list_length(objects));
			
			if (allobjects == NULL) {
				allobjects = objects;
			} else if (objects != NULL) {
				allobjects = g_list_concat(allobjects, objects);
				g_object_unref(objects);
			}
		}
	}
	
	// Sort the list see above FIXME regarding queries
	g_debug("Sorting objects list");
	allobjects = g_list_sort(allobjects, (GCompareFunc) compare_appointment_items);
	i = 0;
	for (l = allobjects; l; l = l->next) {
		ECalComponent *ecalcomp = l->data;
		ECalComponentText valuetext;
		ECalComponentDateTime datetime;
		icaltimezone *appointment_zone = NULL;
		icaltimezone *current_zone = NULL;
		icalproperty_status status;
		gchar *summary, *cmd;
		char right[20];
		//const gchar *uri;
		struct tm tmp_tm;
		DbusmenuMenuitem * item;

		g_debug("Start Object");
		ECalComponentVType vtype = e_cal_component_get_vtype (ecalcomp);

		// See above FIXME regarding query result
		// If it's not an event or todo, continue no-increment
        if (vtype != E_CAL_COMPONENT_EVENT && vtype != E_CAL_COMPONENT_TODO)
			continue;

		// See above FIXME regarding query result
		// if the status is completed, continue no-increment
		e_cal_component_get_status (ecalcomp, &status);
		if (status == ICAL_STATUS_COMPLETED || status == ICAL_STATUS_CANCELLED)
			continue;

		item = dbusmenu_menuitem_new();
		dbusmenu_menuitem_property_set       (item, DBUSMENU_MENUITEM_PROP_TYPE, APPOINTMENT_MENUITEM_TYPE);
		dbusmenu_menuitem_property_set_bool  (item, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
		dbusmenu_menuitem_property_set_bool  (item, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
	
        // Label text        
		e_cal_component_get_summary (ecalcomp, &valuetext);
		summary = g_strdup (valuetext.value);

		dbusmenu_menuitem_property_set (item, APPOINTMENT_MENUITEM_PROP_LABEL, summary);
		g_debug("Summary: %s", summary);
		g_free (summary);
		
		// Due text
		if (vtype == E_CAL_COMPONENT_EVENT)
			e_cal_component_get_dtstart (ecalcomp, &datetime);
		else
		    e_cal_component_get_due (ecalcomp, &datetime);
		
		// FIXME need to get the timezone of the above datetime, 
		// and get the icaltimezone of the geoclue timezone/selected timezone (whichever is preferred)
		if (!datetime.value) {
			g_free(item);
			continue;
		}
		
		appointment_zone = icaltimezone_get_builtin_timezone_from_tzid(datetime.tzid);
		current_zone = icaltimezone_get_builtin_timezone_from_tzid(current_timezone);
		if (!appointment_zone || datetime.value->is_date) { // If it's today put in the current timezone?
			appointment_zone = current_zone;
		}
		// TODO: Convert the timezone into a 3 letter abbreviation if it's different to current_timezone
		// TODO: Add the appointment timezone to the list if it's not already there. 
		
		tmp_tm = icaltimetype_to_tm_with_zone (datetime.value, appointment_zone, current_zone);
		
		g_debug("Generate time string");
		// Get today
		time_t curtime = time(NULL);
  		struct tm* today = localtime(&curtime);
		if (today->tm_mday == tmp_tm.tm_mday && 
		    today->tm_mon == tmp_tm.tm_mon && 
		    today->tm_year == tmp_tm.tm_year)
			strftime(right, 20, "%l:%M %P", &tmp_tm);
		else
			strftime(right, 20, "%a %l:%M %P", &tmp_tm);
			
		g_debug("Appointment time: %s", right);
		g_debug("Appointment timezone: %s", datetime.tzid);
		g_debug("Appointment timezone: %s", icaltimezone_get_tzid(appointment_zone)); // These two should be the same
		//g_debug("Calendar timezone: %s", ecal_timezone);
		
		dbusmenu_menuitem_property_set (item, APPOINTMENT_MENUITEM_PROP_RIGHT, right);
		
		e_cal_component_free_datetime (&datetime);
		
		ad = isodate_from_time_t(mktime(&tmp_tm));
		
		// Now we pull out the URI for the calendar event and try to create a URI that'll work when we execute evolution
		// FIXME Because the URI stuff is really broken, we're going to open the calendar at todays date instead
		
		//e_cal_component_get_uid(ecalcomp, &uri);
		cmd = g_strconcat("evolution calendar:///?startdate=", ad, NULL);
		g_signal_connect (G_OBJECT(item), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
						  G_CALLBACK (activate_cb), cmd);
		
		g_debug("Command to Execute: %s", cmd);
		
		// FIXME This is now more difficult to get right with more sources, as we need to keep track
		// of which ecal or source goes with each ECalComponent :/
		
		//ESource *source = e_cal_get_source (ecal);
        //e_source_get_color (source, &source_color); api has been changed
        const gchar *color_spec = NULL; //e_source_peek_color_spec(source);
        g_debug("Colour to use: %s", color_spec);
			
		// Draw the correct icon for the appointment type and then tint it using mask fill.
		// For now we'll create a circle
        if (color_spec != NULL) {
        	GdkColor color;
        	gdk_color_parse (color_spec, &color);
        	
			cairo_surface_t *cs = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
			cairo_t *cr = cairo_create(cs);
			cairo_arc (cr, width/2, height/2, width/2, 0, 2 * M_PI);
			gdk_cairo_set_source_color(cr, &color);
			cairo_fill(cr);
		
			GdkPixbuf * pixbuf = gdk_pixbuf_get_from_drawable(NULL, (GdkDrawable*)cs, 
				gdk_colormap_new(gdk_drawable_get_visual((GdkDrawable*)cs), TRUE), 0,0,0,0, width, height);
			cairo_destroy(cr);
			
			dbusmenu_menuitem_property_set_image (item, APPOINTMENT_MENUITEM_PROP_ICON, pixbuf);
		}
		dbusmenu_menuitem_child_add_position (root, item, 3+i);
		appointments = g_list_append         (appointments, item); // Keep track of the items here to make them east to remove
		g_debug("Adding appointment: %p", item);
		
		if (i == 4) break; // See above FIXME regarding query result limit
		i++;
	}
	g_object_unref(allobjects);
	g_debug("End of objects");
	return TRUE;
}

/* Looks for the time and date admin application and enables the
   item we have one */
static gboolean
check_for_timeadmin (gpointer user_data)
{
	g_return_val_if_fail (settings != NULL, FALSE);

	gchar * timeadmin = g_find_program_in_path("indicator-datetime-preferences");
	if (timeadmin != NULL) {
		g_debug("Found the indicator-datetime-preferences application: %s", timeadmin);
		dbusmenu_menuitem_property_set_bool(settings, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
		g_free(timeadmin);
	} else {
		g_debug("Unable to find indicator-datetime-preferences app.");
		dbusmenu_menuitem_property_set_bool(settings, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
	}

	return FALSE;
}

/* Does the work to build the default menu, really calls out
   to other functions but this is the core to clean up the
   main function. */
static void
build_menus (DbusmenuMenuitem * root)
{
	g_debug("Building Menus.");
	if (date == NULL) {
		date = dbusmenu_menuitem_new();
		dbusmenu_menuitem_property_set     (date, DBUSMENU_MENUITEM_PROP_LABEL, _("No date yet..."));
		dbusmenu_menuitem_property_set_bool(date, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
		dbusmenu_menuitem_child_append(root, date);

		g_idle_add(update_datetime, NULL);
	}

	if (calendar == NULL) {
		calendar = dbusmenu_menuitem_new();
		dbusmenu_menuitem_property_set (calendar, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CALENDAR_MENUITEM_TYPE);
		/* insensitive until we check for available apps */
		dbusmenu_menuitem_property_set_bool(calendar, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
		g_signal_connect (G_OBJECT(calendar), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
						  G_CALLBACK (activate_cb), "evolution -c calendar");
		dbusmenu_menuitem_child_append(root, calendar);

		g_idle_add(check_for_calendar, NULL);
	}
	
	locations_separator = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set(locations_separator, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
	dbusmenu_menuitem_property_set_bool (locations_separator, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
	dbusmenu_menuitem_child_append(root, locations_separator);

	geo_location = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set      (geo_location, DBUSMENU_MENUITEM_PROP_TYPE, TIMEZONE_MENUITEM_TYPE);
	dbusmenu_menuitem_property_set		(geo_location, TIMEZONE_MENUITEM_PROP_ZONE, "");
	dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
	dbusmenu_menuitem_property_set_bool (geo_location, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
	g_signal_connect(G_OBJECT(geo_location), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(quick_set_tz), NULL);
	dbusmenu_menuitem_child_append(root, geo_location);

	current_location = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set      (current_location, DBUSMENU_MENUITEM_PROP_TYPE, TIMEZONE_MENUITEM_TYPE);
	dbusmenu_menuitem_property_set		(current_location, TIMEZONE_MENUITEM_PROP_ZONE, "");
	dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
	dbusmenu_menuitem_property_set_bool (current_location, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
	g_signal_connect(G_OBJECT(current_location), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(quick_set_tz), NULL);
	dbusmenu_menuitem_child_append(root, current_location);
	
	check_timezone_sync();
	
	DbusmenuMenuitem * separator = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set(separator, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
	dbusmenu_menuitem_child_append(root, separator);

	settings = dbusmenu_menuitem_new();
	dbusmenu_menuitem_property_set     (settings, DBUSMENU_MENUITEM_PROP_LABEL, _("Time & Date Settings..."));
	/* insensitive until we check for available apps */
	dbusmenu_menuitem_property_set_bool(settings, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
	g_signal_connect(G_OBJECT(settings), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(activate_cb), "indicator-datetime-preferences");
	dbusmenu_menuitem_child_append(root, settings);
	g_idle_add(check_for_timeadmin, NULL);

	return;
}

/* Run when the timezone file changes */
static void
timezone_changed (GFileMonitor * monitor, GFile * file, GFile * otherfile, GFileMonitorEvent event, gpointer user_data)
{
	update_current_timezone();
	datetime_interface_update(DATETIME_INTERFACE(user_data));
	update_datetime(NULL);
	setup_timer();
	return;
}

/* Set up monitoring the timezone file */
static void
build_timezone (DatetimeInterface * dbus)
{
	GFile * timezonefile = g_file_new_for_path(TIMEZONE_FILE);
	GFileMonitor * monitor = g_file_monitor_file(timezonefile, G_FILE_MONITOR_NONE, NULL, NULL);
	if (monitor != NULL) {
		g_signal_connect(G_OBJECT(monitor), "changed", G_CALLBACK(timezone_changed), dbus);
		g_debug("Monitoring timezone file: '" TIMEZONE_FILE "'");
	} else {
		g_warning("Unable to monitor timezone file: '" TIMEZONE_FILE "'");
	}
	return;
}

/* Source ID for the timer */
static guint timer = 0;

/* Execute at a given time, update and setup a new
   timer to go again.  */
static gboolean
timer_func (gpointer user_data)
{
	timer = 0;
	/* Reset up each time to reduce error */
	setup_timer();
	update_datetime(NULL);
	return FALSE;
}

/* Sets up the time to launch the timer to update the
   date in the datetime entry */
static void
setup_timer (void)
{
	if (timer != 0) {
		g_source_remove(timer);
		timer = 0;
	}

	time_t t;
	t = time(NULL);
	struct tm * ltime = localtime(&t);

	timer = g_timeout_add_seconds(((23 - ltime->tm_hour) * 60 * 60) +
	                              ((59 - ltime->tm_min) * 60) +
	                              ((60 - ltime->tm_sec)) + 60 /* one minute past */,
	                              timer_func, NULL);

	return;
}

/* Callback from getting the address */
static void
geo_address_cb (GeoclueAddress * address, int timestamp, GHashTable * addy_data, GeoclueAccuracy * accuracy, GError * error, gpointer user_data)
{
	if (error != NULL) {
		g_warning("Unable to get Geoclue address: %s", error->message);
		return;
	}

	g_debug("Geoclue timezone is: %s", (gchar *)g_hash_table_lookup(addy_data, "timezone"));

	if (geo_timezone != NULL) {
		g_free(geo_timezone);
		geo_timezone = NULL;
	}

	gpointer tz_hash = g_hash_table_lookup(addy_data, "timezone");
	if (tz_hash != NULL) {
		geo_timezone = g_strdup((gchar *)tz_hash);
	}

	check_timezone_sync();

	return;
}

/* Clean up the reference we kept to the address and make sure to
   drop the signals incase someone else has one. */
static void
geo_address_clean (void)
{
	if (geo_address == NULL) {
		return;
	}

	g_signal_handlers_disconnect_by_func(G_OBJECT(geo_address), geo_address_cb, NULL);
	g_object_unref(G_OBJECT(geo_address));

	geo_address = NULL;

	return;
}

/* Clean up and remove all signal handlers from the client as we
   unreference it as well. */
static void
geo_client_clean (void)
{
	if (geo_master == NULL) {
		return;
	}

	g_signal_handlers_disconnect_by_func(G_OBJECT(geo_master), geo_client_invalid, NULL);
	g_signal_handlers_disconnect_by_func(G_OBJECT(geo_master), geo_address_change, NULL);
	g_object_unref(G_OBJECT(geo_master));

	geo_master = NULL;

	return;
}

/* Callback from creating the address */
static void
geo_create_address (GeoclueMasterClient * master, GeoclueAddress * address, GError * error, gpointer user_data)
{
	if (error != NULL) {
		g_warning("Unable to create GeoClue address: %s", error->message);
		return;
	}

	/* We shouldn't have created a new address if we already had one
	   so this is a warning.  But, it really is only a mem-leak so we
	   don't need to error out. */
	g_warn_if_fail(geo_address == NULL);
	geo_address_clean();

	g_debug("Created Geoclue Address");
	geo_address = address;
	g_object_ref(G_OBJECT(geo_address));

	geoclue_address_get_address_async(geo_address, geo_address_cb, NULL);

	g_signal_connect(G_OBJECT(address), "address-changed", G_CALLBACK(geo_address_cb), NULL);

	return;
}

/* Callback from setting requirements */
static void
geo_req_set (GeoclueMasterClient * master, GError * error, gpointer user_data)
{
	if (error != NULL) {
		g_warning("Unable to set Geoclue requirements: %s", error->message);
	}
	return;
}

/* Client is killing itself rather oddly */
static void
geo_client_invalid (GeoclueMasterClient * client, gpointer user_data)
{
	g_warning("Master client invalid, rebuilding.");

	/* Client changes we can assume the address is now invalid so we
	   need to unreference the one we had. */
	geo_address_clean();

	/* And our master client is invalid */
	geo_client_clean();

	GeoclueMaster * master = geoclue_master_get_default();
	geoclue_master_create_client_async(master, geo_create_client, NULL);

	if (geo_timezone != NULL) {
		g_free(geo_timezone);
		geo_timezone = NULL;
	}

	check_timezone_sync();

	return;
}

/* Address provider changed, we need to get that one */
static void
geo_address_change (GeoclueMasterClient * client, gchar * a, gchar * b, gchar * c, gchar * d, gpointer user_data)
{
	g_warning("Address provider changed.  Let's change");

	/* If the address is supposed to have changed we need to drop the old
	   address before starting to get the new one. */
	geo_address_clean();

	geoclue_master_client_create_address_async(geo_master, geo_create_address, NULL);

	if (geo_timezone != NULL) {
		g_free(geo_timezone);
		geo_timezone = NULL;
	}

	check_timezone_sync();

	return;
}

/* Callback from creating the client */
static void
geo_create_client (GeoclueMaster * master, GeoclueMasterClient * client, gchar * path, GError * error, gpointer user_data)
{
	g_debug("Created Geoclue client at: %s", path);

	geo_master = client;

	if (geo_master != NULL) {
		g_warning(_("Unable to get a GeoClue client!  Geolocation based timezone support will not be available."));
		return;
	}

	g_object_ref(G_OBJECT(geo_master));

	/* New client, make sure we don't have an address hanging on */
	geo_address_clean();

	geoclue_master_client_set_requirements_async(geo_master,
	                                             GEOCLUE_ACCURACY_LEVEL_REGION,
	                                             0,
	                                             FALSE,
	                                             GEOCLUE_RESOURCE_ALL,
	                                             geo_req_set,
	                                             NULL);

	geoclue_master_client_create_address_async(geo_master, geo_create_address, NULL);

	g_signal_connect(G_OBJECT(client), "invalidated", G_CALLBACK(geo_client_invalid), NULL);
	g_signal_connect(G_OBJECT(client), "address-provider-changed", G_CALLBACK(geo_address_change), NULL);

	return;
}

/* Repsonds to the service object saying it's time to shutdown.
   It stops the mainloop. */
static void 
service_shutdown (IndicatorService * service, gpointer user_data)
{
	g_warning("Shutting down service!");
	g_main_loop_quit(mainloop);
	return;
}

/* Function to build everything up.  Entry point from asm. */
int
main (int argc, char ** argv)
{
	g_type_init();

	/* Acknowledging the service init and setting up the interface */
	service = indicator_service_new_version(SERVICE_NAME, SERVICE_VERSION);
	g_signal_connect(service, INDICATOR_SERVICE_SIGNAL_SHUTDOWN, G_CALLBACK(service_shutdown), NULL);

	/* Setting up i18n and gettext.  Apparently, we need
	   all of these. */
	setlocale (LC_ALL, "");
	bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
	textdomain (GETTEXT_PACKAGE);

	/* Set up GSettings */
	conf = g_settings_new(SETTINGS_INTERFACE);
	// TODO Add a signal handler to catch gsettings changes and respond to them

	/* Building the base menu */
	server = dbusmenu_server_new(MENU_OBJ);
	root = dbusmenu_menuitem_new();
	dbusmenu_server_set_root(server, root);
	
	build_menus(root);
	
	/* Cache the timezone */
	update_current_timezone();

	/* Setup geoclue */
	GeoclueMaster * master = geoclue_master_get_default();
	geoclue_master_create_client_async(master, geo_create_client, NULL);

	/* Setup dbus interface */
	dbus = g_object_new(DATETIME_INTERFACE_TYPE, NULL);

	/* Setup timezone watch */
	build_timezone(dbus);

	/* Setup the timer */
	setup_timer();

	mainloop = g_main_loop_new(NULL, FALSE);
	g_main_loop_run(mainloop);

	g_object_unref(G_OBJECT(conf));
	g_object_unref(G_OBJECT(master));
	g_object_unref(G_OBJECT(dbus));
	g_object_unref(G_OBJECT(service));
	g_object_unref(G_OBJECT(server));
	g_object_unref(G_OBJECT(root));

	geo_address_clean();
	geo_client_clean();

	return 0;
}