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"""Chromium Mac implementation of the Port interface."""

import logging

from webkitpy.layout_tests.port import base


_log = logging.getLogger(__name__)


class MacPort(base.Port):
    SUPPORTED_VERSIONS = ('mac10.9', 'mac10.10', 'mac10.11', 'mac10.12', 'retina')
    port_name = 'mac'

    # FIXME: We treat Retina (High-DPI) devices as if they are running
    # a different operating system version. This is lame and should be fixed.
    # Note that the retina versions fallback to the non-retina versions and so no
    # baselines are shared between retina versions; this keeps the fallback graph as a tree
    # and maximizes the number of baselines we can share that way.
    # We also currently only support Retina on 10.11.

    FALLBACK_PATHS = {}
    FALLBACK_PATHS['mac10.12'] = ['mac']
    FALLBACK_PATHS['mac10.11'] = ['mac-mac10.11'] + FALLBACK_PATHS['mac10.12']
    FALLBACK_PATHS['mac10.10'] = ['mac-mac10.10'] + FALLBACK_PATHS['mac10.11']
    FALLBACK_PATHS['mac10.9'] = ['mac-mac10.9'] + FALLBACK_PATHS['mac10.10']
    FALLBACK_PATHS['retina'] = ['mac-retina', 'mac']

    DEFAULT_BUILD_DIRECTORIES = ('xcodebuild', 'out')

    CONTENT_SHELL_NAME = 'Content Shell'

    BUILD_REQUIREMENTS_URL = 'https://chromium.googlesource.com/chromium/src/+/master/docs/mac_build_instructions.md'

    @classmethod
    def determine_full_port_name(cls, host, options, port_name):
        if port_name.endswith('mac'):
            version = host.platform.os_version
            if host.platform.is_highdpi():
                version = 'retina'
            return port_name + '-' + version
        return port_name

    def __init__(self, host, port_name, **kwargs):
        super(MacPort, self).__init__(host, port_name, **kwargs)
        self._version = port_name[port_name.index('mac-') + len('mac-'):]
        assert self._version in self.SUPPORTED_VERSIONS

    def check_build(self, needs_http, printer):
        result = super(MacPort, self).check_build(needs_http, printer)
        if result:
            _log.error('For complete Mac build requirements, please see:')
            _log.error('')
            _log.error('    https://chromium.googlesource.com/chromium/src/+/master/docs/mac_build_instructions.md')

        return result

    def operating_system(self):
        return 'mac'

    #
    # PROTECTED METHODS
    #

    def path_to_apache(self):
        return '/usr/sbin/httpd'

    def path_to_apache_config_file(self):
        config_file_name = 'apache2-httpd-' + self._apache_version() + '.conf'
        return self._filesystem.join(self.apache_config_directory(), config_file_name)

    def _path_to_driver(self, target=None):
        return self._build_path_with_target(target, self.driver_name() + '.app', 'Contents', 'MacOS', self.driver_name())