File Coverage

blib/lib/Gtk2/Ex/FreezeChildNotify.pm

Criterion	Covered	Total	%
statement	12	26	46.1
branch	0	2	0.0
condition			n/a
subroutine	4	7	57.1
pod	2	2	100.0
total	18	37	48.6

# Copyright 2008, 2009, 2010, 2011, 2012 Kevin Ryde

# This file is part of Gtk2-Ex-WidgetBits.
#
# Gtk2-Ex-WidgetBits 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 3, or (at your option) any later
# version.
#
# Gtk2-Ex-WidgetBits 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 Gtk2-Ex-WidgetBits.  If not, see .

package Gtk2::Ex::FreezeChildNotify;
use 5.008;
use strict;
use warnings;
use Scalar::Util;

our $VERSION = 48;

sub new {
  my $class = shift;
  my $self = bless [], $class;
  $self->add (@_);
  return $self;
}

sub add {
  my $self = shift;
  ### FreezeChildNotify add(): "@_"
  foreach my $widget (@_) {
    $widget->freeze_child_notify;
    push @$self, $widget;
    Scalar::Util::weaken ($self->[-1]);
  }
}

sub DESTROY {
  my ($self) = @_;
  ### FreezeChildNotify DESTROY()
  while (@$self) {
    my $widget = pop @$self;
    next if ! defined $widget; # possible undef by weakening
    ### FreezeChildNotify thaw: "$widget"
    $widget->thaw_child_notify;
  }
}

1;
__END__