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package AlgaOS::Updater::GUI;
use v5.40.0;
use strict;
use warnings;
use Moo;
use AlgaOS::Updater;
use List::Util;
use JSON;
use POSIX qw/WNOHANG/;
use PBKDF2::Tiny;
use Crypt::URandom qw/urandom/;
use File::ShareDir ':ALL';
my $dist_dir_files = dist_dir('AlgaOS-Updater');
my @perl_args_chroot = @ARGV;
BEGIN {
*CORE::GLOBAL::exit = sub {
POSIX::_exit( $_[0] // 0 );
};
}
has app => ( is => 'lazy' );
has win => ( is => 'rw' );
has const => ( is => 'lazy' );
has pipe_name => ( is => 'ro', required => 1 );
has secret => ( is => 'ro', required => 1 );
has _grid_row => ( is => 'rw', default => sub { 0 } );
has _scroll => ( is => 'rw' );
has started_gui => ( is => 'rw' );
has pid => ( is => 'rw' );
has _frontend_shows_update => ( is => 'rw' );
has _have_update => ( is => 'rw' );
sub call_and_increment_grid_row( $self, $coderef ) {
$coderef->();
$self->_grid_row( $self->_grid_row + 1 );
}
sub _build_const {
return AlgaOS::Updater::Constants->new;
}
sub _build_app {
return Gtk::Application->new( "com.algaos.Updater", 0 );
}
sub activate($self) {
if ( $self->started_gui ) {
if ( $self->_frontend_shows_update != $self->_have_update ) {
if ( !$self->_have_update ) {
$self->_scroll->set_child( $self->_show_no_updates_grid );
}
else {
$self->_scroll->set_child( $self->_show_updates_grid );
}
$self->_frontend_shows_update( $self->_have_update );
}
return;
}
$self->started_gui(1);
my $const = $self->const;
my $win = Gtk::ApplicationWindow->new( $self->app );
$win->set_title("Actualiza AlgaOS");
my $display = $win->get_display;
my $provider = Gtk::CssProvider->new;
$provider->load_from_path( $dist_dir_files . '/style.css' );
$display->add_css_provider( $provider,
$const->GTK_STYLE_PROVIDER_PRIORITY_APPLICATION );
my $width = 400;
my $height = ( 365 * 440 ) / 770;
$win->set_default_size( $width, $height );
$win->set_resizable(0);
$self->win($win);
my $overlay = Gtk::Overlay->new;
my $file = Gio::File->new( $dist_dir_files . '/beach0.jpg' );
my $texture = Gdk::Texture->new($file);
my $picture = Gtk::Picture->new($texture);
$picture->set_size_request( $width, $height );
$overlay->set_child($picture);
my $scroll = Gtk::ScrolledWindow->new;
$self->_scroll($scroll);
$self->_frontend_shows_update($self->_have_update);
$self->_scroll->set_child(
$self->_frontend_shows_update
? $self->_show_updates_grid
: $self->_show_no_updates_grid
);
$overlay->add_overlay($scroll);
$win->set_child($overlay);
$win->connect(
'close-request' => sub {
$self->win(undef);
$self->started_gui(0);
return 0;
}
);
$win->present;
}
sub is_there_updates {
my $output = `emerge -p --quiet -uUDN \@system`;
my $updatable = $output =~ /^\[(?:ebuild|binary)\s+/;
if ($updatable) {
exit 0;
}
else {
exit 1;
}
}
sub _check_pid($self) {
if ( 0 < waitpid $self->pid, WNOHANG ) {
$self->_have_update( $? == 0 );
if ( $self->_have_update
&& $self->_have_update != $self->_frontend_shows_update )
{
$self->activate;
}
# If we didn't act before frontend must
# act like it knows what happened.
$self->_frontend_shows_update($self->_have_update);
$self->pid(0);
return 1;
}
return 0;
}
sub _start_pid($self) {
$self->pid(fork);
if ( !$self->pid ) {
$self->is_there_updates;
}
}
sub _handle_pid($self) {
if ( $self->pid ) {
$self->_check_pid;
}
else {
$self->_start_pid;
}
}
sub _handle_pid_and_schedule($self) {
my $multiply_by_hour = 0;
my $time = 1000;
$self->_handle_pid;
if ( !$self->pid ) {
$multiply_by_hour = 1;
}
if ($multiply_by_hour) {
$time *= 3600;
}
say "Waiting @{[$time / 1000]} seconds";
$self->app->timeout_add(
$time,
sub {
$self->_handle_pid_and_schedule;
return 0;
}
);
return 0;
}
sub run($self) {
$self->_have_update(0);
$self->_frontend_shows_update(0);
$self->app->connect(
'startup' => sub {
$self->app->timeout_add(
3000,
sub {
$self->_handle_pid_and_schedule;
}
);
}
);
$self->app->connect(
'activate' => sub {
$self->activate;
}
);
$self->app->hold;
$self->app->run(@ARGV);
}
sub _show_updates_grid($self) {
my $const = $self->const;
my $grid = Gtk::Grid->new;
$grid->set_valign( $const->GTK_ALIGN_CENTER );
$grid->set_halign( $const->GTK_ALIGN_CENTER );
$grid->add_css_class('transparent_background');
$self->call_and_increment_grid_row(
sub {
my $label = Gtk::Label->new('Actualiza AlgaOS');
$label->add_css_class('title-1');
$grid->attach( $label, 0, $self->_grid_row, 3, 1 );
}
);
$self->call_and_increment_grid_row(
sub {
my $label =
Gtk::Label->new(
'Hay actualizaciones disponibles. ¡Actualiza ahora!');
$grid->attach( $label, 0, $self->_grid_row, 3, 1 );
}
);
return $grid;
}
sub _show_no_updates_grid($self) {
my $const = $self->const;
my $grid = Gtk::Grid->new;
$grid->set_valign( $const->GTK_ALIGN_CENTER );
$grid->set_halign( $const->GTK_ALIGN_CENTER );
$grid->add_css_class('transparent_background');
$self->call_and_increment_grid_row(
sub {
my $label = Gtk::Label->new('Actualiza AlgaOS');
$label->add_css_class('title-1');
$grid->attach( $label, 0, $self->_grid_row, 3, 1 );
}
);
$self->call_and_increment_grid_row(
sub {
my $label =
Gtk::Label->new('No hay actualizaciones disponibles, todavía...');
$grid->attach( $label, 0, $self->_grid_row, 3, 1 );
}
);
return $grid;
}
1;
|
