# Amara, universalsubtitles.org
#
# Copyright (C) 2015 Participatory Culture Foundation
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see
# http://www.gnu.org/licenses/agpl-3.0.html.

from xvfbwrapper import Xvfb

_xvfb = None
def start_xvfb():
    global _xvfb
    if _xvfb is None:
        _xvfb = Xvfb(width=1920, height=1080)
        _xvfb.start()

def stop_xvfb():
    global _xvfb
    if _xvfb is not None:
        _xvfb.stop()
        _xvfb = None

