diff options
Diffstat (limited to 'xscreensaver-logind')
| -rw-r--r-- | xscreensaver-logind | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/xscreensaver-logind b/xscreensaver-logind deleted file mode 100644 index 9d3ac47..0000000 --- a/xscreensaver-logind +++ /dev/null @@ -1,200 +0,0 @@ -#!/home/dakkar/perl5/perlbrew/perls/perl-5.32.0/bin/perl -use strict; -use warnings; - -=pod - -see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=781961 - -https://www.freedesktop.org/wiki/Software/systemd/inhibit/ - -https://stackoverflow.com/questions/460140/is-there-a-decent-way-to-inhibit-screensavers-in-linux - -https://github.com/mato/xscreensaver-systemd/blob/master/xscreensaver-systemd.c - -=cut - -package SleepInhibit { - use Moo; - use experimental 'signatures'; - use curry; - use Net::DBus; - use Log::Any '$log'; - - has bus => ( is => 'lazy', builder => sub { Net::DBus->system() } ); - has logind_srv => ( - is => 'lazy', - builder => sub { shift->bus->get_service('org.freedesktop.login1') }, - ); - has logind_obj => ( - is => 'lazy', - builder => sub { shift->logind_srv->get_object('/org/freedesktop/login1') }, - ); - - has inhibit_fd => ( is => 'rwp' ); - - sub start($self) { - $self->logind_obj->connect_to_signal( - 'PrepareForSleep', - $self->curry::weak::going_to_sleep, - ); - $self->inhibit(); - return; - } - - sub inhibit($self) { - return if $self->inhibit_fd; - $self->_set_inhibit_fd( - $self->logind_obj->Inhibit( - 'sleep', - 'xscreensaver','locking before sleep', - 'delay', - ) - ); - $log->debugf('got logind inhibit fd %d',$self->inhibit_fd); - return; - } - - sub going_to_sleep($self,$before) { - if ($before) { - $log->debug('locking'); - system(qw(xscreensaver-command -suspend)); - $log->debug('locked'); - $self->_set_inhibit_fd(undef); - } - else { - $log->debug('woken up'); - system(qw(xscreensaver-command -deactivate)); - $self->inhibit(); - } - return; - } -}; - -package SaverImpl { - use strict; - use warnings; - use experimental 'signatures'; - # this is the interface name - use Net::DBus::Exporter qw(org.freedesktop.ScreenSaver); - use parent 'Net::DBus::Object'; - - dbus_method('Inhibit',['string','string'],['uint32']); - dbus_method('UnInhibit',['uint32'],[]); - - sub new($class,$service,$path,$inhibit_cb,$uninhibit_cb) { - my $self = $class->SUPER::new($service, $path); - bless $self, $class; - $self->{__inhibit_cb} = $inhibit_cb; - $self->{__uninhibit_cb} = $uninhibit_cb; - return $self; - } - - sub Inhibit($self,$name,$reason) { - return $self->{__inhibit_cb}->($name,$reason); - } - - sub UnInhibit($self,$cookie) { - return $self->{__uninhibit_cb}->($cookie); - } -}; - -package Saver { - use Moo; - use experimental 'signatures'; - use curry; - use Log::Any '$log'; - - has reactor => ( is => 'ro', required => 1 ); - has bus => ( is => 'lazy', builder => sub { Net::DBus->session() } ); - has service => ( - is => 'lazy', - builder => sub { - # this is the service name - shift->bus->export_service('org.freedesktop.ScreenSaver'); - }, - ); - has paths => ( - is => 'ro', - default => sub { [qw(/ScreenSaver /org/freedesktop/ScreenSaver)] }, - ); - - has _impls => ( is => 'rw' ); - has _prod_id => ( is => 'rw' ); - has _inhibits => ( is => 'rw', default => sub { +{} } ); - - sub start($self) { - my $inhibit_cb = $self->curry::weak::inhibit; - my $uninhibit_cb = $self->curry::weak::uninhibit; - - $self->_impls([ map { - SaverImpl->new( - $self->service, - $_, - $inhibit_cb, - $uninhibit_cb, - ) - } $self->paths->@* ]); - - $self->_prod_id( - $self->reactor->add_timeout( - 60_000, - Net::DBus::Callback->new( - method => $self->curry::weak::prod_screensaver - ), - 0, - ), - ); - - return; - } - - sub inhibit($self,$name,$reason) { - my $cookie; - do { - $cookie = int(rand(2**31)) - } until !exists $self->_inhibits->{$cookie}; - $self->_inhibits->{$cookie} = [ $name, $reason ]; - - $log->debugf( - '<%s> stops screensaver for <%s> (cookie %d)', - $name, $reason, $cookie, - ); - $self->reactor->toggle_timeout($self->_prod_id, 1); - - return $cookie; - } - - sub uninhibit($self,$cookie) { - my $inhibit = delete $self->_inhibits->{$cookie} - or return; - - $log->debugf( - '<%s> resumed screensaver for <%s> (cookie %d)', - @$inhibit, $cookie, - ); - - $self->reactor->toggle_timeout($self->_prod_id, 0) - unless $self->_inhibits->%*; - - return; - } - - sub prod_screensaver($self) { - $log->debug('prodding xscreensaver'); - system(qw(xscreensaver-command -deactivate)); - } -}; - -use Net::DBus::Reactor; -use Log::Any::Adapter Stdout => ( log_level => 'debug' ); - -my $reactor = Net::DBus::Reactor->main(); - -my $sleep = SleepInhibit->new(); -$sleep->start(); - -my $saver = Saver->new(reactor => $reactor); -$saver->start(); - -$reactor->run(); |