-# $Id: Task.pm,v 1.2 2006-10-12 14:36:34 mike Exp $
+# $Id: Task.pm,v 1.6 2007-05-09 11:30:53 mike Exp $
package ZOOM::IRSpy::Task;
sub new {
my $class = shift();
- my($conn, $udata, %cb) = @_;
+ my($conn, $udata, $options, %cb) = @_;
return bless {
irspy => $conn->{irspy},
conn => $conn,
- cb => \%cb,
udata => $udata,
+ options => $options,
+ cb => \%cb,
timeRegistered => time(),
}, $class;
}
die "can't run base-class task $this";
}
+# In general, this sets the Connection's options to what is in the
+# task's option hash and sets the option-hash entry to the
+# Connection's old value of the option: this means that calling this
+# twice restores the state to how it was before. (That's not quite
+# true as its impossible to unset an option that was previously set:
+# such options are instead set to the empty string.)
+#
+# As a special case, options in the task's option-hash whose names
+# begin with an asterisk are taken to be persistent: they are set into
+# the Connection (with the leading hash removed) and deleted from the
+# task's option-hash so that they will NOT be reset the next time this
+# function is called.
+#
+sub set_options {
+ my $this = shift();
+
+ foreach my $key (sort keys %{ $this->{options} }) {
+ my $value = $this->{options}->{$key};
+ my $persistent = ($key =~ s/^\*//);
+ $value = "" if !defined $value;
+ $this->conn()->log("irspy_debug", "$this setting option '$key' -> ",
+ defined $value ? "'$value'" : "undefined");
+ my $old = $this->conn()->option($key, $value);
+ if ($persistent) {
+ print "deleting '*$key'<br/>\n";
+ delete $this->{options}->{"*$key"}
+ } else {
+ $this->{options}->{$key} = $old;
+ }
+ }
+}
+
sub render {
my $this = shift();
return "[base-class] " . ref($this);