#!/usr/bin/perl

# Copyright (C) 2003 Mandrakesoft
#
# Author: Florent Villard <warly@mandrakesoft.com>
#         A Ginies
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

package MDK::Wizard::Wizcommon;
use strict;
use standalone;
use common;
use MDK::Common;
use MDK::Wizard::IFCFG;

our @ISA = qw(Exporter);
our @EXPORT = qw(check_started  run_command_and_log);

my $net;

sub check_dhcp {
    $net->is_dhcp and return 'dhcp_warning';
}

sub new {
    my ($class) = @_;
    $net = new MDK::Wizard::IFCFG;
    bless {
	    net => $net,
       }, $class;
}

sub check_started {
  my ($service) = @_;
  my ($isrunning) = chomp_(`pidof $service`) =~ /(\d+)/m;
  if (!$isrunning) {
    return 'error_end'
  }
}


my $timeout;
sub gtktext_get_log {
  my ($command, $log_w, $log_scroll) = @_;
  my $buffer = $log_w->get_buffer;
  $buffer->delete($buffer->get_start_iter, $buffer->get_end_iter);

  my ($prev_scroll, $want_scroll_down) = (0, 1);
  my $pid = open(my $F, "$command 2>&1 |") or return sub { 1 };
  fcntl($F, c::F_SETFL(), c::O_NONBLOCK()) or die "can't fcntl F_SETFL: $!";
  Glib::Source->remove($timeout) if $timeout; $timeout = '';
  $timeout = Glib::Timeout->add(100, sub {
                                  if ($buffer) {
                                    my $end = $buffer->get_end_iter;
                                    while (defined (my $s = <$F>)) {
                                      $buffer->insert_interactive($end, $s, -1);
                                    }
                                    my $new_scroll = $log_scroll->child->get_vadjustment->get_value;
                                    $want_scroll_down &&= $new_scroll >= $prev_scroll;
                                    $prev_scroll = $new_scroll;
                                    $log_w->scroll_to_iter($end, 0, 0, 0, 0) if $want_scroll_down;
                                  }
                                  if (waitpid($pid, c::WNOHANG()) > 0) {
                                    $buffer->insert_interactive($buffer->get_end_iter, "\n" . "#" x 20 . "\n" . " This script has terminated\
, you can close this window", -1) if $buffer;
                                    $pid = $timeout = '';
                                    0;
				} else {
                                    1;
				}
			      });
  sub {
      if ($pid) {
	  $::in->ask_yesorno('', N("The command is still running. Do you want to kill it and quit the Wizard ?")) or return;
	  kill 9, $pid+1;
	  1;
      }
      $buffer = '';
      1;
  };
}

sub run_command_and_log {
    use lib qw(/usr/lib/libDrakX);
    use ugtk2 qw(:ask :helpers :wrappers :create);
    my ($command, $descr, $when_command_is_over) = @_;
    my $w = ugtk2->new('');
    gtkadd(gtkset_size_request($w->{window}, 800, 400),
           gtkpack_(gtkset_modal(Gtk2::VBox->new, 1),
                    0, $descr,
                    1, my $log_scroll = create_scrolled_window(my $log_w = gtkset_editable(Gtk2::TextView->new, 0)),
                    0, my $close_w = Gtk2::Button->new(N("Close"))),
                   );
    my $stop_running = gtktext_get_log($command, $log_w, $log_scroll);
    $close_w->signal_connect(clicked => sub { $stop_running->() and $w->destroy and return 0});
    $close_w->grab_focus;
    $w->show;
}

1