i3status-anyevent: Add cron plugin

i3status-anyevent

@@ -1,6 +1,8 @@
 #!/usr/bin/perl
 
 # TODO: on i3wm reload (i3status restart), restore active windows status
+# TODO: make battery plugin take into account charge level, add ability to call suspend2disk on critical charge level
+# TODO: More complex PA-plugin with volume adjustment of default sink
 
 # we need to disable hash shuffling in order to make as less prints to stdout as possible
 BEGIN {
@@ -18,6 +20,7 @@ use utf8;
 use open qw (:std :utf8);
 use Fcntl qw (:seek);
 use AnyEvent;
+use AnyEvent::Timer::Cron;
 use AnyEvent::I3;
 use JSON::XS;
 use Encode;
@@ -150,7 +153,7 @@ sub add_events () {
 	# Actually print messages there
 	push @EP, AnyEvent->timer (
 		after    => 1,    # sleep 1 second
-		interval => 0.3,  # then invoke every 1 second
+		interval => 0.3,  # then invoke every ~1/3 second
 		cb       => sub { # the callback to invoke
 			my $OUTPUT;
 
@@ -664,6 +667,21 @@ sub add_events () {
 		);
 	}
 
+	# run all cron jobs from config
+	if ($CONF->{'cron'}->{enabled}) {
+		foreach my $task (@{$CONF->{'cron'}->{tasks}}) {
+			push @EP, AnyEvent::Timer::Cron->new (
+				time_zone => 'local',
+				cron => $task->{time},
+				cb => sub {
+					foreach my $cmd (@{$task->{cmd}}) {
+						`$cmd`;
+					}
+				}
+			)
+		}
+	}
+
 	return;
 }
 

i3status-anyevent.json

@@ -86,6 +86,32 @@
 	]
 },
 
+# Intended for use with desktop notifications
+# Because it inherits all env vars from i3, it can intercat with dbus and other
+# such user session services.
+"cron" : {
+	"enabled" : 0,
+	"tasks" : [
+		{
+			"time" : "55 23 * * *",
+			"cmd" : [
+				"notify-send 'Sleeping Time!' 'Take a nap.'",
+				"mpg123 -q /usr/share/sounds/complete_quest_requirement.mp3"
+			]
+		},
+
+		{
+# time in crontab format
+			"time" : "55 12 * * 2,4",
+# commands as it should be invoked in bash script
+			"cmd" : [
+				"notify-send 'Pizza time!' 'M-m-m, tasty!'",
+				"mpg123 -q /usr/share/sounds/complete_quest_requirement.mp3"
+			]
+		}
+	]
+},
+
 # Weather to display Application Buttons
 "app_buttons": 1,