~ubuntu-core-dev/update-manager/main

#  Copyright (c) 2004-2007 Canonical

# -*- Mode: Python; indent-tabs-mode: nil; tab-width: 4; coding: utf-8 -*-

#

#  Author: Michael Vogt <michael.vogt@ubuntu.com>

#

#  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 of the

#  License, 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

from __future__ import absolute_import

from gi.repository import GLib

from gi.repository import GObject

from .Core.MetaRelease import MetaReleaseCore

class MetaRelease(MetaReleaseCore, GObject.GObject):

    __gsignals__ = {

        'new_dist_available': (GObject.SignalFlags.RUN_LAST,

                               None,

                               (GObject.TYPE_PYOBJECT,)),

        'dist_no_longer_supported': (GObject.SignalFlags.RUN_LAST,

                                     None,

                                     ()),

        'done_downloading': (GObject.SignalFlags.RUN_LAST,

                             None,

                             ())

    }

    def __init__(self, useDevelopmentRelease=False, useProposed=False,

                 debug=False):

        GObject.GObject.__init__(self)

        MetaReleaseCore.__init__(self, useDevelopmentRelease, useProposed,

                                 debug)

        # in the gtk space to test if the download already finished

        # this is needed because gtk is not thread-safe

        GLib.timeout_add_seconds(1, self.check)

    def check(self):

        # check if we have a metarelease_information file

        if self.no_longer_supported is not None:

            self.emit("dist_no_longer_supported")

        if self.new_dist is not None:

            self.emit("new_dist_available", self.new_dist)

        if self.downloading:

            return True

        else:

            self.emit("done_downloading")

            return False