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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
from selenium.webdriver.common.options import ArgOptions


class Options(ArgOptions):
    KEY = 'webkitgtk:browserOptions'

    def __init__(self):
        super(Options, self).__init__()
        self._binary_location = ''
        self._overlay_scrollbars_enabled = True

    @property
    def binary_location(self):
        """
        :Returns: The location of the browser binary otherwise an empty string
        """
        return self._binary_location

    @binary_location.setter
    def binary_location(self, value):
        """
        Allows you to set the browser binary to launch

        :Args:
         - value : path to the browser binary
        """
        self._binary_location = value

    @property
    def overlay_scrollbars_enabled(self):
        """
        :Returns: Whether overlay scrollbars should be enabled
        """
        return self._overlay_scrollbars_enabled

    @overlay_scrollbars_enabled.setter
    def overlay_scrollbars_enabled(self, value):
        """
        Allows you to enable or disable overlay scrollbars

        :Args:
         - value : True or False
        """
        self._overlay_scrollbars_enabled = value

    @property
    def page_load_strategy(self):
        return self._caps["pageLoadStrategy"]

    @page_load_strategy.setter
    def page_load_strategy(self, strategy):
        if strategy in ["normal", "eager", "none"]:
            self.set_capability("pageLoadStrategy", strategy)
        else:
            raise ValueError("Strategy can only be one of the following: normal, eager, none")

    def to_capabilities(self):
        """
        Creates a capabilities with all the options that have been set and
        returns a dictionary with everything
        """
        caps = self._caps

        browser_options = {}
        if self.binary_location:
            browser_options["binary"] = self.binary_location
        if self.arguments:
            browser_options["args"] = self.arguments
        browser_options["useOverlayScrollbars"] = self.overlay_scrollbars_enabled

        caps[Options.KEY] = browser_options

        return caps

    @property
    def default_capabilities(self):
        return DesiredCapabilities.WEBKITGTK.copy()
