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"""QtWebKit implementation of the Port interface."""

import logging
import sys

import webkit

from webkitpy.layout_tests.port.webkit import WebKitPort


_log = logging.getLogger(__name__)


class QtPort(WebKitPort):
    port_name = "qt"

    def _port_flag_for_scripts(self):
        return "--qt"

    def _operating_system_for_platform(self, platform):
        if platform.startswith('linux'):
            return "linux"
        elif platform in ('win32', 'cygwin'):
            return "win"
        elif platform == 'darwin':
            return "mac"
        return None

    # sys_platform exists only for unit testing.
    def __init__(self, sys_platform=None, **kwargs):
        WebKitPort.__init__(self, **kwargs)
        self._operating_system = self._operating_system_for_platform(sys_platform or sys.platform)

        # FIXME: This will allow WebKitPort.baseline_search_path and WebKitPort._skipped_file_search_paths
        # to do the right thing, but doesn't include support for qt-4.8 or qt-arm (seen in LayoutTests/platform) yet.
        name_components = [self.port_name]
        if self._operating_system:
            name_components.append(self._operating_system)
        self._name = "-".join(name_components)

    def _build_driver(self):
        # The Qt port builds DRT as part of the main build step
        return True

    def _path_to_driver(self):
        return self._build_path('bin/%s' % self.driver_name())

    def _path_to_image_diff(self):
        return self._build_path('bin/ImageDiff')

    def _path_to_webcore_library(self):
        return self._build_path('lib/libQtWebKit.so')

    def _runtime_feature_list(self):
        return None

    def setup_environ_for_server(self, server_name=None):
        env = WebKitPort.setup_environ_for_server(self, server_name)
        env['QTWEBKIT_PLUGIN_PATH'] = self._build_path('lib/plugins')
        return env

    # FIXME: We should find a way to share this implmentation with Gtk,
    # or teach run-launcher how to call run-safari and move this down to WebKitPort.
    def show_results_html_file(self, results_filename):
        run_launcher_args = ["file://%s" % results_filename]
        if self.get_option('webkit_test_runner'):
            run_launcher_args.append('--webkit-test-runner')
        self._run_script("run-launcher", run_launcher_args)
