# Copyright (C) 2014 Igalia S.L. All rights reserved.
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# modification, are permitted provided that the following conditions are
# met:
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# in the documentation and/or other materials provided with the
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import logging
import os

from webkitpy.port.driver import Driver

_log = logging.getLogger(__name__)


class XorgDriver(Driver):
    @staticmethod
    def check_driver(port):
        if 'DISPLAY' not in os.environ:
                _log.error('DISPLAY not found in the environment. Cannot run tests.')
                return False
        return True

    def _setup_environ_for_test(self):
        server_environment = super(XorgDriver, self)._setup_environ_for_test()
        self._port._copy_value_from_environ_if_set(server_environment, 'DISPLAY')
        self._port._copy_value_from_environ_if_set(server_environment, 'XAUTHORITY')
        server_environment['GDK_BACKEND'] = 'x11'
        return server_environment