gnome-shell-extension-openweather/src/extension.js

/*
 *
 *  Weather extension for GNOME Shell
 *  - Displays a small weather information on the top panel.
 *  - On click, gives a popup with details about the weather.
 *
 * Copyright (C) 2011 - 2013
 *     ecyrbe <ecyrbe+spam@gmail.com>,
 *     Timur Kristof <venemo@msn.com>,
 *     Elad Alfassa <elad@fedoraproject.org>,
 *     Simon Legner <Simon.Legner@gmail.com>,
 *     Christian METZLER <neroth@xeked.com>,
 *     Mark Benjamin weather.gnome.Markie1@dfgh.net,
 *     Mattia Meneguzzo odysseus@fedoraproject.org,
 *     Meng Zhuo <mengzhuo1203+spam@gmail.com>,
 *     Jens Lody <jens@jenslody.de>
 *
 *
 * This file is part of gnome-shell-extension-weather.
 *
 * gnome-shell-extension-weather is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * gnome-shell-extension-weather 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with gnome-shell-extension-weather.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

const ExtensionUtils = imports.misc.extensionUtils;
const Me = ExtensionUtils.getCurrentExtension();
const Config = imports.misc.config;
const Convenience = Me.imports.convenience;
const Cairo = imports.cairo;
const Clutter = imports.gi.Clutter;
const Gettext = imports.gettext.domain('gnome-shell-extension-weather');
const Gio = imports.gi.Gio;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Soup = imports.gi.Soup;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Util = imports.misc.util;
const _ = Gettext.gettext;

const Main = imports.ui.main;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;

// Settings
const WEATHER_SETTINGS_SCHEMA = 'org.gnome.shell.extensions.weather';
const WEATHER_UNIT_KEY = 'unit';
const WEATHER_WIND_SPEED_UNIT_KEY = 'wind-speed-unit';
const WEATHER_WIND_DIRECTION_KEY = 'wind-direction';
const WEATHER_PRESSURE_UNIT_KEY = 'pressure-unit';
const WEATHER_CITY_KEY = 'city';
const WEATHER_ACTUAL_CITY_KEY = 'actual-city';
const WEATHER_TRANSLATE_CONDITION_KEY = 'translate-condition';
const WEATHER_USE_SYMBOLIC_ICONS_KEY = 'use-symbolic-icons';
const WEATHER_SHOW_TEXT_IN_PANEL_KEY = 'show-text-in-panel';
const WEATHER_POSITION_IN_PANEL_KEY = 'position-in-panel';
const WEATHER_SHOW_COMMENT_IN_PANEL_KEY = 'show-comment-in-panel';
const WEATHER_REFRESH_INTERVAL = 'refresh-interval';
const WEATHER_CENTER_FORECAST_KEY = 'center-forecast';
const WEATHER_DAYS_FORECAST = 'days-forecast';

// Keep enums in sync with GSettings schemas
const WeatherUnits = {
    CELSIUS: 0,
    FAHRENHEIT: 1,
    KELVIN: 2,
    RANKINE: 3,
    REAUMUR: 4,
    ROEMER: 5,
    DELISLE: 6,
    NEWTON: 7
}

const WeatherWindSpeedUnits = {
    KPH: 0,
    MPH: 1,
    MPS: 2,
    KNOTS: 3,
    FPS: 4,
    BEAUFORT: 5
}

const WeatherPressureUnits = {
    hPa: 0,
    inHg: 1,
    bar: 2,
    Pa: 3,
    kPa: 4,
    atm: 5,
    at: 6,
    Torr: 7,
    psi: 8
}

const WeatherPosition = {
    CENTER: 0,
    RIGHT: 1,
    LEFT: 2
}

const WEATHER_CONV_MPH_IN_MPS = 2.23693629;
const WEATHER_CONV_KPH_IN_MPS = 3.6;
const WEATHER_CONV_KNOTS_IN_MPS = 1.94384449;
const WEATHER_CONV_FPS_IN_MPS = 3.2808399;

// Soup session (see https://bugzilla.gnome.org/show_bug.cgi?id=661323#c64) (Simon Legner)
const _httpSession = new Soup.SessionAsync();
Soup.Session.prototype.add_feature.call(_httpSession, new Soup.ProxyResolverDefault());

const WeatherMenuButton = new Lang.Class({
    Name: 'WeatherMenuButton',

    Extends: PanelMenu.Button,

    _init: function() {
        // Load settings
        this.loadConfig();

        // Label
        this._weatherInfo = new St.Label({
            y_align: Clutter.ActorAlign.CENTER,
            text: _('...')
        });

        if (typeof St.TextDirection == "undefined") {
            // Panel icon
            this._weatherIcon = new St.Icon({
                icon_name: 'view-refresh' + this.icon_type(),
                style_class: 'system-status-icon weather-icon' + (Main.panel.actor.get_text_direction() == Clutter.TextDirection.RTL ? '-rtl' : '')
            });

            // Panel menu item - the current class
            let menuAlignment = 0.25;
            if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
                menuAlignment = 1.0 - menuAlignment;
            this.parent(menuAlignment);
        } else {
            // Panel icon
            this._weatherIcon = new St.Icon({
                icon_name: 'view-refresh' + this.icon_type(),
                style_class: 'system-status-icon weather-icon' + (Main.panel.actor.get_direction() == St.TextDirection.RTL ? '-rtl' : '')
            });

            // Panel menu item - the current class
            let menuAlignment = 0.25;
            if (St.Widget.get_default_direction() == St.TextDirection.RTL)
                menuAlignment = 1.0 - menuAlignment;
            PanelMenu.Button.prototype._init.call(this, menuAlignment);
        }

        // Putting the panel item together
        let topBox = new St.BoxLayout();
        topBox.add_actor(this._weatherIcon);
        topBox.add_actor(this._weatherInfo);
        this.actor.add_actor(topBox);

        let dummyBox = new St.BoxLayout();
        this.actor.reparent(dummyBox);
        dummyBox.remove_actor(this.actor);
        dummyBox.destroy();

        let children = null;
        switch (this._position_in_panel) {
            case WeatherPosition.LEFT:
                children = Main.panel._leftBox.get_children();
                Main.panel._leftBox.insert_child_at_index(this.actor, children.length);
                break;
            case WeatherPosition.CENTER:
                children = Main.panel._centerBox.get_children();
                Main.panel._centerBox.insert_child_at_index(this.actor, children.length);
                break;
            case WeatherPosition.RIGHT:
                children = Main.panel._rightBox.get_children();
                Main.panel._rightBox.insert_child_at_index(this.actor, 0);
                break;
        }
        if (typeof Main.panel._menus == "undefined")
            Main.panel.menuManager.addMenu(this.menu);
        else
            Main.panel._menus.addMenu(this.menu);

        this._old_position_in_panel = this._position_in_panel;

        // Current weather
        this._currentWeather = new St.Bin({
            style_class: 'current'
        });
        // Future weather
        this._futureWeather = new St.Bin({
            style_class: 'forecast'
        });

        // Putting the popup item together
        let _itemCurrent = new PopupMenu.PopupBaseMenuItem({
            reactive: false
        });
        let _itemFuture = new PopupMenu.PopupBaseMenuItem({
            reactive: false
        });

        if (ExtensionUtils.versionCheck(['3.9', '3.10'], Config.PACKAGE_VERSION)) {
            _itemCurrent.actor.add_actor(this._currentWeather);
            _itemFuture.actor.add_actor(this._futureWeather);
        } else {
            _itemCurrent.addActor(this._currentWeather);
            _itemFuture.addActor(this._futureWeather);
        }

        this.menu.addMenuItem(_itemCurrent);

        let item = new PopupMenu.PopupSeparatorMenuItem();
        this.menu.addMenuItem(item);

        this.menu.addMenuItem(_itemFuture);

        let item = new PopupMenu.PopupSeparatorMenuItem();
        this.menu.addMenuItem(item);

        this._selectCity = new PopupMenu.PopupSubMenuMenuItem(_("Locations"));
        this.menu.addMenuItem(this._selectCity);
        this.rebuildSelectCityItem();

        let item = new PopupMenu.PopupMenuItem(_("Reload Weather Information"));
        item.connect('activate', Lang.bind(this, function() {
            this.refreshWeather(false);
        }));
        this.menu.addMenuItem(item);

        let item = new PopupMenu.PopupMenuItem(_("Weather Settings"));
        item.connect('activate', Lang.bind(this, this._onPreferencesActivate));
        this.menu.addMenuItem(item);

        // Items
        this.showLoadingUi();

        this.rebuildCurrentWeatherUi();
        this.rebuildFutureWeatherUi();

        // Show weather
        this.refreshWeather(true);

        this.menu.connect('open-state-changed', Lang.bind(this, this._onOpenStateChanged));
    },

    stop: function() {
        if (this._timeoutS)
            Mainloop.source_remove(this._timeoutS);

        if (this._settingsC) {
            this._settings.disconnect(this._settingsC);
            this._settingsC = 0;
        }

        if (this._settingsInterfaceC) {
            this._settingsInterface.disconnect(this._settingsInterfaceC);
            this._settingsInterfaceC = 0;
        }
    },

    loadConfig: function() {
        let that = this;
        this._settings = Convenience.getSettings(WEATHER_SETTINGS_SCHEMA);
        this._settingsC = this._settings.connect("changed", function() {
            that.rebuildFutureWeatherUi();
            that.refreshWeather(false);
        });
    },

    loadConfigInterface: function() {
        let that = this;
        let schemaInterface = "org.gnome.desktop.interface";
        if (Gio.Settings.list_schemas().indexOf(schemaInterface) == -1)
            throw _("Schema \"%s\" not found.").replace("%s", schemaInterface);
        this._settingsInterface = new Gio.Settings({
            schema: schemaInterface
        });
        this._settingsInterfaceC = this._settingsInterface.connect("changed", function() {
            that.refreshWeather(false);
        });
    },

    get _clockFormat() {
        if (!this._settingsInterface)
            this.loadConfigInterface();
        return this._settingsInterface.get_string("clock-format");
    },

    get _units() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_enum(WEATHER_UNIT_KEY);
    },

    set _units(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_enum(WEATHER_UNIT_KEY, v);
    },

    get _wind_speed_units() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_enum(WEATHER_WIND_SPEED_UNIT_KEY);
    },

    set _wind_speed_units(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_enum(WEATHER_WIND_SPEED_UNIT_KEY, v);
    },

    get _wind_direction() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_boolean(WEATHER_WIND_DIRECTION_KEY);
    },

    set _wind_direction(v) {
        if (!this._settings)
            this.loadConfig();
        return this._settings.set_boolean(WEATHER_WIND_DIRECTION_KEY, v);
    },

    get _pressure_units() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_enum(WEATHER_PRESSURE_UNIT_KEY);
    },

    set _pressure_units(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_enum(WEATHER_PRESSURE_UNIT_KEY, v);
    },

    get _cities() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_string(WEATHER_CITY_KEY);
    },

    set _cities(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_string(WEATHER_CITY_KEY, v);
    },

    get _actual_city() {
        if (!this._settings)
            this.loadConfig();
        var a = this._settings.get_int(WEATHER_ACTUAL_CITY_KEY);
        var b = a;
        var cities = this._cities.split(" && ");

        if (typeof cities != "object")
            cities = [cities];

        var l = cities.length - 1;

        if (a < 0)
            a = 0;

        if (l < 0)
            l = 0;

        if (a > l)
            a = l;

        return a;
    },

    set _actual_city(a) {
        if (!this._settings)
            this.loadConfig();
        var cities = this._cities.split(" && ");

        if (typeof cities != "object")
            cities = [cities];

        var l = cities.length - 1;

        if (a < 0)
            a = 0;

        if (l < 0)
            l = 0;

        if (a > l)
            a = l;

        this._settings.set_int(WEATHER_ACTUAL_CITY_KEY, a);
    },

    get _city() {
        let cities = this._cities;
        let cities = cities.split(" && ");
        if (cities && typeof cities == "string")
            cities = [cities];
        if (!cities[0])
            return "";
        cities = cities[this._actual_city];
        return cities;
    },

    set _city(v) {
        let cities = this._cities;
        cities = cities.split(" && ");
        if (cities && typeof cities == "string")
            cities = [cities];
        if (!cities[0])
            cities = [];
        cities.splice(this.actual_city, 1, v);
        cities = cities.join(" && ");
        if (typeof cities != "string")
            cities = cities[0];
        this._cities = cities;
    },

    get _translate_condition() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_boolean(WEATHER_TRANSLATE_CONDITION_KEY);
    },

    set _translate_condition(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_boolean(WEATHER_TRANSLATE_CONDITION_KEY, v);
    },

    get _icon_type() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_boolean(WEATHER_USE_SYMBOLIC_ICONS_KEY) ? 1 : 0;
    },

    set _icon_type(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_boolean(WEATHER_USE_SYMBOLIC_ICONS_KEY, v);
    },

    get _text_in_panel() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_boolean(WEATHER_SHOW_TEXT_IN_PANEL_KEY);
    },

    set _text_in_panel(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_boolean(WEATHER_SHOW_TEXT_IN_PANEL_KEY, v);
    },

    get _position_in_panel() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_enum(WEATHER_POSITION_IN_PANEL_KEY);
    },

    set _position_in_panel(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_enum(WEATHER_POSITION_IN_PANEL_KEY, v);
    },

    get _comment_in_panel() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_boolean(WEATHER_SHOW_COMMENT_IN_PANEL_KEY);
    },

    set _comment_in_panel(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_boolean(WEATHER_SHOW_COMMENT_IN_PANEL_KEY, v);
    },

    get _refresh_interval() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_int(WEATHER_REFRESH_INTERVAL);
    },

    set _refresh_interval(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_int(WEATHER_REFRESH_INTERVAL, v);
    },

    get _center_forecast() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_boolean(WEATHER_CENTER_FORECAST_KEY);
    },

    set _center_forecast(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_boolean(WEATHER_CENTER_FORECAST_KEY, v);
    },

    get _days_forecast() {
        if (!this._settings)
            this.loadConfig();
        return this._settings.get_int(WEATHER_DAYS_FORECAST);
    },

    set _days_forecast(v) {
        if (!this._settings)
            this.loadConfig();
        this._settings.set_int(WEATHER_DAYS_FORECAST, v);
    },

    rebuildSelectCityItem: function() {
        let that = this;
        this._selectCity.menu.removeAll();
        let item = null;

        let cities = this._cities;
        cities = cities.split(" && ");
        if (cities && typeof cities == "string")
            cities = [cities];
        if (!cities[0])
            return 0;

        for (let i = 0; cities.length > i; i++) {
            item = new PopupMenu.PopupMenuItem(this.extractLocation(cities[i]));
            item.location = i;
            if (i == this._actual_city) {
                if (ExtensionUtils.versionCheck(['3.9', '3.10'], Config.PACKAGE_VERSION))
                    item.setOrnament(PopupMenu.Ornament.DOT);
                else
                    item.setShowDot(true);
            }

            this._selectCity.menu.addMenuItem(item);
            item.connect('activate', function(actor, event) {
                that._actual_city = actor.location;
            });
        }

        if (cities.length == 1)
            this._selectCity.actor.hide();
        else
            this._selectCity.actor.show();

        return 0;
    },

    extractLocation: function() {
        if (!arguments[0])
            return "";

        if (arguments[0].search(">") == -1)
            return _("Invalid city");
        return arguments[0].split(">")[1];
    },

    extractWoeid: function() {
        if (!arguments[0])
            return 0;

        if (arguments[0].search(">") == -1)
            return 0;
        return arguments[0].split(">")[0];
    },

    updateCities: function() {
        let that = this;
        let cities = this._cities;

        cities = cities.split(" && ");
        if (cities && typeof cities == "string")
            cities = [cities];
        if (!cities[0])
            cities = [];

        if (cities.length == 0) {
            this._cities = "12478500>Ibiza, Balearic Islands (ES)";
            this.updateCities();
            return 0;
        }

        for (let a in cities) {
            if (!this.extractWoeid(cities[a])) {
                this.load_json_async(encodeURI("http://query.yahooapis.com/v1/public/yql?format=json&q=select woeid,name,admin1,country from geo.places where text = '" + cities[a] + "' limit 1"), function() {
                    let city = arguments[0].query;
                    if (typeof city == "object" && typeof city.results == "object")
                        city = city.results.place;
                    else
                        return;
                    let cityText = city.woeid + ">" + city.name;
                    if (city.admin1)
                        cityText += ", " + city.admin1.content;

                    if (city.country)
                        cityText += " (" + city.country.code + ")";

                    cities.splice(a, 1, cityText);
                    cities = cities.join(" && ");
                    if (typeof cities != "string")
                        cities = cities[0];
                    that._cities = cities;
                    that.updateCities();
                });
                return 0;
            } else
                continue;
        }
        this.refreshWeather();
        return 0;
    },

    _onPreferencesActivate: function() {
        Util.spawn(["gnome-shell-extension-prefs", "weather-extension@jenslody.de"]);
        return 0;
    },

    _onOpenStateChanged: function(menu, open) {
        if (open && typeof this._forecastScrollBox != "undefined" && typeof this._forecastBox != "undefined" && typeof this._currentWeather != "undefined") {
            this._forecastScrollBox.set_width(this._currentWeather.get_width());
            if (this._forecastBox.get_width() > this._currentWeather.get_width()) {
                this._forecastScrollBox.hscroll.margin_top = 10;
                this._forecastScrollBox.hscroll.show();
            } else {
                this._forecastScrollBox.hscroll.margin_top = 0;
                this._forecastScrollBox.hscroll.hide();
            }
        }
    },

    unit_to_unicode: function() {
        if (this._units == WeatherUnits.FAHRENHEIT)
            return '\u00B0\F';
        else if (this._units == WeatherUnits.KELVIN)
            return 'K';
        else if (this._units == WeatherUnits.RANKINE)
            return '\u00B0\Ra';
        else if (this._units == WeatherUnits.REAUMUR)
            return '\u00B0\R\u00E9';
        else if (this._units == WeatherUnits.ROEMER)
            return '\u00B0\R\u00F8';
        else if (this._units == WeatherUnits.DELISLE)
            return '\u00B0\De';
        else if (this._units == WeatherUnits.NEWTON)
            return '\u00B0\N';
        else
            return '\u00B0\C';
    },

    get_weather_url: function() {
        return encodeURI('http://query.yahooapis.com/v1/public/yql?format=json&q=select * from weather.forecast where woeid = ' + this.extractWoeid(this._city) + ' and u="f"');
    },

    get_weather_icon: function(code) {
        // see http://developer.yahoo.com/weather/#codetable
        // fallback icons are: weather-clear-night weather-clear weather-few-clouds-night weather-few-clouds weather-fog weather-overcast weather-severe-alert weather-showers weather-showers-scattered weather-snow weather-storm
        switch (parseInt(code, 10)) {
            case 0:
                // tornado
                return ['weather-severe-alert'];
            case 1:
                // tropical storm
                return ['weather-severe-alert'];
            case 2:
                // hurricane
                return ['weather-severe-alert'];
            case 3:
                // severe thunderstorms
                return ['weather-severe-alert'];
            case 4:
                // thunderstorms
                return ['weather-storm'];
            case 5:
                // mixed rain and snow
                return ['weather-snow-rain', 'weather-snow'];
            case 6:
                // mixed rain and sleet
                return ['weather-snow-rain', 'weather-snow'];
            case 7:
                // mixed snow and sleet
                return ['weather-snow'];
            case 8:
                // freezing drizzle
                return ['weather-freezing-rain', 'weather-showers'];
            case 9:
                // drizzle
                return ['weather-showers'];
            case 10:
                // freezing rain
                return ['weather-freezing-rain', 'weather-showers'];
            case 11:
                // showers
                return ['weather-showers'];
            case 12:
                // showers
                return ['weather-showers'];
            case 13:
                // snow flurries
                return ['weather-snow'];
            case 14:
                // light snow showers
                return ['weather-snow'];
            case 15:
                // blowing snow
                return ['weather-snow'];
            case 16:
                // snow
                return ['weather-snow'];
            case 17:
                // hail
                return ['weather-snow'];
            case 18:
                // sleet
                return ['weather-snow'];
            case 19:
                // dust
                return ['weather-fog'];
            case 20:
                // foggy
                return ['weather-fog'];
            case 21:
                // haze
                return ['weather-fog'];
            case 22:
                // smoky
                return ['weather-fog'];
            case 23:
                // blustery
                return ['weather-few-clouds'];
            case 24:
                // windy
                return ['weather-few-clouds'];
            case 25:
                // cold
                return ['weather-few-clouds'];
            case 26:
                // cloudy
                return ['weather-overcast'];
            case 27:
                // mostly cloudy (night)
                return ['weather-clouds-night', 'weather-few-clouds-night'];
            case 28:
                // mostly cloudy (day)
                return ['weather-clouds', 'weather-overcast'];
            case 29:
                // partly cloudy (night)
                return ['weather-few-clouds-night'];
            case 30:
                // partly cloudy (day)
                return ['weather-few-clouds'];
            case 31:
                // clear (night)
                return ['weather-clear-night'];
            case 32:
                // sunny
                return ['weather-clear'];
            case 33:
                // fair (night)
                return ['weather-clear-night'];
            case 34:
                // fair (day)
                return ['weather-clear'];
            case 35:
                // mixed rain and hail
                return ['weather-snow-rain', 'weather-showers'];
            case 36:
                // hot
                return ['weather-clear'];
            case 37:
                // isolated thunderstorms
                return ['weather-storm'];
            case 38:
                // scattered thunderstorms
                return ['weather-storm'];
            case 39:
                // The API-description differs from the use by !Yahoo, see:
                // http://developer.yahoo.com/forum/YDN-Documentation/Yahoo-Weather-API-Wrong-Condition-Code/1290534174000-1122fc3d-da6d-34a2-9fb9-d0863e6c5bc6
                // guessed as isolated showers
                return ['weather-showers-isolated', 'weather-showers'];
            case 40:
                // scattered showers
                return ['weather-showers-scattered', 'weather-showers'];
            case 41:
                // heavy snow
                return ['weather-snow'];
            case 42:
                // scattered snow showers
                return ['weather-snow'];
            case 43:
                // heavy snow
                return ['weather-snow'];
            case 44:
                // partly cloudy
                return ['weather-few-clouds'];
            case 45:
                // thundershowers
                return ['weather-storm'];
            case 46:
                // snow showers
                return ['weather-snow'];
            case 47:
                // isolated thundershowers
                return ['weather-storm'];
            case 3200:
                // not available
            default:
                return ['weather-severe-alert'];
        }
    },

    get_weather_icon_safely: function(code) {
        let iconname = this.get_weather_icon(code);
        for (let i = 0; i < iconname.length; i++) {
            if (this.has_icon(iconname[i]))
                return iconname[i] + this.icon_type();
        }
        return 'weather-severe-alert' + this.icon_type();
    },

    has_icon: function(icon) {
        return Gtk.IconTheme.get_default().has_icon(icon + this.icon_type());
    },

    get_weather_condition: function(code) {
        switch (parseInt(code, 10)) {
            case 0:
                // tornado
                return _('Tornado');
            case 1:
                // tropical storm
                return _('Tropical storm');
            case 2:
                // hurricane
                return _('Hurricane');
            case 3:
                // severe thunderstorms
                return _('Severe thunderstorms');
            case 4:
                // thunderstorms
                return _('Thunderstorms');
            case 5:
                // mixed rain and snow
                return _('Mixed rain and snow');
            case 6:
                // mixed rain and sleet
                return _('Mixed rain and sleet');
            case 7:
                // mixed snow and sleet
                return _('Mixed snow and sleet');
            case 8:
                // freezing drizzle
                return _('Freezing drizzle');
            case 9:
                // drizzle
                return _('Drizzle');
            case 10:
                // freezing rain
                return _('Freezing rain');
            case 11:
                // showers
                return _('Showers');
            case 12:
                // showers
                return _('Showers');
            case 13:
                // snow flurries
                return _('Snow flurries');
            case 14:
                // light snow showers
                return _('Light snow showers');
            case 15:
                // blowing snow
                return _('Blowing snow');
            case 16:
                // snow
                return _('Snow');
            case 17:
                // hail
                return _('Hail');
            case 18:
                // sleet
                return _('Sleet');
            case 19:
                // dust
                return _('Dust');
            case 20:
                // foggy
                return _('Foggy');
            case 21:
                // haze
                return _('Haze');
            case 22:
                // smoky
                return _('Smoky');
            case 23:
                // blustery
                return _('Blustery');
            case 24:
                // windy
                return _('Windy');
            case 25:
                // cold
                return _('Cold');
            case 26:
                // cloudy
                return _('Cloudy');
            case 27:
                // mostly cloudy (night)
            case 28:
                // mostly cloudy (day)
                return _('Mostly cloudy');
            case 29:
                // partly cloudy (night)
            case 30:
                // partly cloudy (day)
                return _('Partly cloudy');
            case 31:
                // clear (night)
                return _('Clear');
            case 32:
                // sunny
                return _('Sunny');
            case 33:
                // fair (night)
            case 34:
                // fair (day)
                return _('Fair');
            case 35:
                // mixed rain and hail
                return _('Mixed rain and hail');
            case 36:
                // hot
                return _('Hot');
            case 37:
                // isolated thunderstorms
                return _('Isolated thunderstorms');
            case 38:
                // scattered thunderstorms
                return _('Scattered thunderstorms');
            case 39:
                // The API-description differs from the use by !Yahoo, see:
                // http://developer.yahoo.com/forum/YDN-Documentation/Yahoo-Weather-API-Wrong-Condition-Code/1290534174000-1122fc3d-da6d-34a2-9fb9-d0863e6c5bc6
                // guessed as isolated showers
                return _('Isolated showers');
            case 40:
                // scattered showers
                return _('Scattered showers');
            case 41:
                // heavy snow
                return _('Heavy snow');
            case 42:
                // scattered snow showers
                return _('Scattered snow showers');
            case 43:
                // heavy snow
                return _('Heavy snow');
            case 44:
                // partly cloudy
                return _('Partly cloudy');
            case 45:
                // thundershowers
                return _('Thundershowers');
            case 46:
                // snow showers
                return _('Snow showers');
            case 47:
                // isolated thundershowers
                return _('Isolated thundershowers');
            case 3200:
                // not available
            default:
                return _('Not available');
        }
    },

    toCelsius: function(t) {
        return String(Math.round((Number(t) - 32) / 1.8));
    },

    toKelvin: function(t) {
        return String(Math.round(((Number(t) + 459.67) / 1.8) * 100) / 100);
    },

    toRankine: function(t) {
        return String(Math.round((Number(t) + 459.67) * 100) / 100);
    },

    toReaumur: function(t) {
        return String(Math.round((Number(t) - 32) / 2.25));
    },

    toRoemer: function(t) {
        return String(Math.round((((Number(t) - 32) * 7) / 24) + 7.5));
    },

    toDelisle: function(t) {
        return String(Math.round(((212 - Number(t)) * 5) / 6));
    },

    toNewton: function(t) {
        return String(Math.round((((Number(t) - 32) * 11) / 60) * 10) / 10);
    },

    toPascal: function(p, t) {
        return Math.round((p * (3386.39 - ((t - 32) * 0.003407143))));
    },

    toBeaufort: function(w, t) {
        if (w < 1)
            return (!t) ? "0" : "(" + _("Calm") + ")";

        else if (w >= 1 && w <= 3)
            return (!t) ? "1" : "(" + _("Light air") + ")";

        else if (w >= 4 && w <= 7)
            return (!t) ? "2" : "(" + _("Light breeze") + ")";

        else if (w >= 8 && w <= 12)
            return (!t) ? "3" : "(" + _("Gentle breeze") + ")";

        else if (w >= 13 && w <= 17)
            return (!t) ? "4" : "(" + _("Moderate breeze") + ")";

        else if (w >= 18 && w <= 24)
            return (!t) ? "5" : "(" + _("Fresh breeze") + ")";

        else if (w >= 25 && w <= 30)
            return (!t) ? "6" : "(" + _("Strong breeze") + ")";

        else if (w >= 31 && w <= 38)
            return (!t) ? "7" : "(" + _("Moderate gale") + ")";

        else if (w >= 39 && w <= 46)
            return (!t) ? "8" : "(" + _("Fresh gale") + ")";

        else if (w >= 47 && w <= 54)
            return (!t) ? "9" : "(" + _("Strong gale") + ")";

        else if (w >= 55 && w <= 63)
            return (!t) ? "10" : "(" + _("Storm") + ")";

        else if (w >= 64 && w <= 73)
            return (!t) ? "11" : "(" + _("Violent storm") + ")";

        else
            return (!t) ? "12" : "(" + _("Hurricane") + ")";
    },

    get_locale_day: function(abr) {
        let days = [_('Sunday'), _('Monday'), _('Tuesday'), _('Wednesday'), _('Thursday'), _('Friday'), _('Saturday')];
        return days[abr];
    },

    get_wind_direction: function(deg) {
        let arrows = ["\u2193", "\u2199", "\u2190", "\u2196", "\u2191", "\u2197", "\u2192", "\u2198"];
        let letters = [_('N'), _('NE'), _('E'), _('SE'), _('S'), _('SW'), _('W'), _('NW')];
        let idx = Math.round(deg / 45) % arrows.length;
        return (this._wind_direction) ? arrows[idx] : letters[idx];
    },

    get_pressure_state: function(state) {
        switch (parseInt(state, 3)) {
            case 0:
                return '';
                break;

            case 1:
                return '\u2934';
                break;

            case 2:
                return '\u2935';
                break;
        }
        return 0;
    },

    icon_type: function(icon_name) {
        if (!icon_name)
            if (this._icon_type)
                return "-symbolic";
            else
                return "";

        if (this._icon_type)
            if (String(icon_name).search("-symbolic") != -1)
                return icon_name;
            else
                return icon_name + "-symbolic";
            else
        if (String(icon_name).search("-symbolic") != -1)
            return String(icon_name).replace("-symbolic", "");
        else
            return icon_name;
    },

    load_json_async: function(url, fun) {
        let here = this;

        let message = Soup.Message.new('GET', url);

        _httpSession.queue_message(message, function(_httpSession, message) {
            if (!message.response_body.data) {
                fun.call(here, 0);
                return;
            }

            try {
                let jp = JSON.parse(message.response_body.data);
                fun.call(here, jp);
            } catch (e) {
                fun.call(here, 0);
                return;
            }
        });
        return 0;
    },

    refreshWeather: function(recurse) {
        if (!this.extractWoeid(this._city)) {
            this.updateCities();
            return 0;
        }
        this.load_json_async(this.get_weather_url(), function(json) {
            if (!json)
                return 0;
            let weather = json.query.results.channel;
            let many = 0;
            if (typeof weather[0] != "undefined") {
                weather = weather[0];
                many = 1;
            }
            let weather_c = weather.item.condition;

            this.rebuildSelectCityItem();

            this._weatherIcon.icon_name = this.icon_type(this._weatherIcon.icon_name);
            this._currentWeatherIcon.icon_name = this.icon_type(this._currentWeatherIcon.icon_name);
            this._forecast[0].Icon.icon_name = this.icon_type(this._forecast[0].Icon.icon_name);
            this._forecast[1].Icon.icon_name = this.icon_type(this._forecast[1].Icon.icon_name);
            this._sunriseIcon.icon_name = this.icon_type(this._sunriseIcon.icon_name);
            this._sunsetIcon.icon_name = this.icon_type(this._sunsetIcon.icon_name);
            this._buildIcon.icon_name = this.icon_type(this._buildIcon.icon_name);

            if (typeof St.IconType != "undefined") {
                this._weatherIcon.icon_type = (this._icon_type) ? St.IconType.SYMBOLIC : St.IconType.FULLCOLOR;
                this._currentWeatherIcon.icon_type = (this._icon_type) ? St.IconType.SYMBOLIC : St.IconType.FULLCOLOR;
                this._forecast[0].Icon.icon_type = (this._icon_type) ? St.IconType.SYMBOLIC : St.IconType.FULLCOLOR;
                this._forecast[1].Icon.icon_type = (this._icon_type) ? St.IconType.SYMBOLIC : St.IconType.FULLCOLOR;
                this._sunriseIcon.icon_type = (this._icon_type) ? St.IconType.SYMBOLIC : St.IconType.FULLCOLOR;
                this._sunsetIcon.icon_type = (this._icon_type) ? St.IconType.SYMBOLIC : St.IconType.FULLCOLOR;
                this._buildIcon.icon_type = (this._icon_type) ? St.IconType.SYMBOLIC : St.IconType.FULLCOLOR;
            }

            if (this._old_position_in_panel != this._position_in_panel) {
                switch (this._old_position_in_panel) {
                    case WeatherPosition.LEFT:
                        Main.panel._leftBox.remove_actor(this.actor);
                        break;
                    case WeatherPosition.CENTER:
                        Main.panel._centerBox.remove_actor(this.actor);
                        break;
                    case WeatherPosition.RIGHT:
                        Main.panel._rightBox.remove_actor(this.actor);
                        break;
                }

                let children = null;
                switch (this._position_in_panel) {
                    case WeatherPosition.LEFT:
                        children = Main.panel._leftBox.get_children();
                        Main.panel._leftBox.insert_child_at_index(this.actor, children.length);
                        break;
                    case WeatherPosition.CENTER:
                        children = Main.panel._centerBox.get_children();
                        Main.panel._centerBox.insert_child_at_index(this.actor, children.length);
                        break;
                    case WeatherPosition.RIGHT:
                        children = Main.panel._rightBox.get_children();
                        Main.panel._rightBox.insert_child_at_index(this.actor, 0);
                        break;
                }
                this._old_position_in_panel = this._position_in_panel;
            }

            let forecast = weather.item.forecast;
            let location = this.extractLocation(this._city);

            // Refresh current weather
            let comment = weather_c.text;
            if (this._translate_condition)
                comment = this.get_weather_condition(weather_c.code);

            let temperature = weather_c.temp;
            let chill = weather.wind.chill;
            let humidity = weather.atmosphere.humidity + ' %';
            let pressure = weather.atmosphere.pressure;
            let pressure_unit = weather.units.pressure;
            let pressure_state = weather.atmosphere.rising;
            let wind_direction = this.get_wind_direction(weather.wind.direction);
            let wind = weather.wind.speed;
            let wind_unit = weather.units.speed;
            let iconname = this.get_weather_icon_safely(weather_c.code);
            let sunrise = weather.astronomy.sunrise;
            let sunset = weather.astronomy.sunset;

            if (typeof this.lastBuildId == "undefined")
                this.lastBuildId = 0;

            if (typeof this.lastBuildDate == "undefined")
                this.lastBuildDate = 0;

            if (this.lastBuildId != weather_c.date || !this.lastBuildDate) {
                this.lastBuildId = weather_c.date;
                this.lastBuildDate = new Date();
            }

            let actualDate = new Date();
            let d = Math.floor((actualDate.getTime() - this.lastBuildDate.getTime()) / 86400000);

            switch (this._pressure_units) {
                case WeatherPressureUnits.inHg:
                    pressure_unit = "inHg";
                    break;

                case WeatherPressureUnits.hPa:
                    pressure = Math.round(this.toPascal(pressure, temperature) / 100);
                    pressure_unit = "hPa";
                    break;

                case WeatherPressureUnits.bar:
                    pressure = this.toPascal(pressure, temperature) / 100000;
                    pressure_unit = "bar";
                    break;

                case WeatherPressureUnits.Pa:
                    pressure = this.toPascal(pressure, temperature);
                    pressure_unit = "Pa";
                    break;

                case WeatherPressureUnits.kPa:
                    pressure = Math.round(this.toPascal(pressure, temperature) / 100) / 10;
                    pressure_unit = "kPa";
                    break;

                case WeatherPressureUnits.atm:
                    pressure = Math.round((this.toPascal(pressure, temperature) * 0.00000986923267) * 100000) / 100000;
                    pressure_unit = "atm";
                    break;

                case WeatherPressureUnits.at:
                    pressure = Math.round((this.toPascal(pressure, temperature) * 0.0000101971621298) * 100000) / 100000;
                    pressure_unit = "at";
                    break;

                case WeatherPressureUnits.Torr:
                    pressure = Math.round((this.toPascal(pressure, temperature) * 0.00750061683) * 100) / 100;
                    pressure_unit = "Torr";
                    break;

                case WeatherPressureUnits.psi:
                    pressure = Math.round((this.toPascal(pressure, temperature) * 0.000145037738) * 100) / 100;
                    pressure_unit = "psi";
                    break;
            }

            switch (this._units) {
                case WeatherUnits.FAHRENHEIT:
                    break;

                case WeatherUnits.CELSIUS:
                    temperature = this.toCelsius(temperature);
                    chill = this.toCelsius(chill);
                    break;

                case WeatherUnits.KELVIN:
                    temperature = this.toKelvin(temperature);
                    chill = this.toKelvin(chill);
                    break;

                case WeatherUnits.RANKINE:
                    temperature = this.toRankine(temperature);
                    chill = this.toRankine(chill);
                    break;

                case WeatherUnits.REAUMUR:
                    temperature = this.toReaumur(temperature);
                    chill = this.toReaumur(chill);
                    break;

                case WeatherUnits.ROEMER:
                    temperature = this.toRoemer(temperature);
                    chill = this.toRoemer(chill);
                    break;

                case WeatherUnits.DELISLE:
                    temperature = this.toDelisle(temperature);
                    chill = this.toDelisle(chill);
                    break;

                case WeatherUnits.NEWTON:
                    temperature = this.toNewton(temperature);
                    chill = this.toNewton(chill);
                    break;
            }

            let lastBuild = (this.lastBuildDate.getHours() % 12) + ":" + ((this.lastBuildDate.getMinutes() < 10) ? "0" : "") + this.lastBuildDate.getMinutes() + " " + ((this.lastBuildDate.getHours() >= 12) ? "pm" : "am");

            if (this._clockFormat == "24h") {
                sunrise = new Date("3 Mar 1999 " + sunrise);
                sunrise = sunrise.getHours() + ":" + ((sunrise.getMinutes() < 10) ? "0" : "") + sunrise.getMinutes();
                sunset = new Date("3 Mar 1999 " + sunset);
                sunset = sunset.getHours() + ":" + ((sunset.getMinutes() < 10) ? "0" : "") + sunset.getMinutes();
                lastBuild = this.lastBuildDate.getHours() + ":" + ((this.lastBuildDate.getMinutes() < 10) ? "0" : "") + this.lastBuildDate.getMinutes();
            }

            if (d >= 1) {
                lastBuild = _("Yesterday");
                if (d > 1)
                    lastBuild = _("%s days ago").replace("%s", d);
            }

            this._currentWeatherIcon.icon_name = this._weatherIcon.icon_name = iconname;

            let weatherInfoC = "";
            let weatherInfoT = "";

            if (this._comment_in_panel)
                weatherInfoC = comment;

            if (this._text_in_panel)
                weatherInfoT = parseFloat(temperature).toLocaleString() + ' ' + this.unit_to_unicode();

            this._weatherInfo.text = weatherInfoC + ((weatherInfoC && weatherInfoT) ? ", " : "") + weatherInfoT;

            this._currentWeatherSummary.text = comment + ", " + parseFloat(temperature).toLocaleString() + ' ' + this.unit_to_unicode();
            this._currentWeatherLocation.text = location;
            this._currentWeatherTemperature.text = parseFloat(chill).toLocaleString() + ' ' + this.unit_to_unicode();
            this._currentWeatherHumidity.text = parseFloat(humidity).toLocaleString() + ' %';
            this._currentWeatherPressure.text = parseFloat(pressure).toLocaleString() + ' ' + pressure_unit + ((pressure_state) ? " " : "") + this.get_pressure_state(pressure_state);
            this._currentWeatherSunrise.text = sunrise;
            this._currentWeatherSunset.text = sunset;
            this._currentWeatherBuild.text = lastBuild;

            // Override wind units with our preference
            // Need to consider what units the Yahoo API has returned it in
            switch (this._wind_speed_units) {
                case WeatherWindSpeedUnits.MPH:
                    break;

                case WeatherWindSpeedUnits.KPH:
                    wind = Math.round(wind / WEATHER_CONV_MPH_IN_MPS * WEATHER_CONV_KPH_IN_MPS);
                    wind_unit = 'km/h';
                    break;

                case WeatherWindSpeedUnits.MPS:
                    wind = Math.round((wind / WEATHER_CONV_MPH_IN_MPS) * 10) / 10;
                    wind_unit = 'm/s';
                    break;

                case WeatherWindSpeedUnits.KNOTS:
                    wind = Math.round(wind / WEATHER_CONV_MPH_IN_MPS * WEATHER_CONV_KNOTS_IN_MPS);
                    wind_unit = 'kn';
                    break;

                case WeatherWindSpeedUnits.FPS:
                    wind = Math.round(wind / WEATHER_CONV_MPH_IN_MPS * WEATHER_CONV_FPS_IN_MPS);
                    wind_unit = 'ft/s';
                    break;

                case WeatherWindSpeedUnits.BEAUFORT:
                    wind_unit = this.toBeaufort(wind, true);
                    wind = this.toBeaufort(wind);
            }

            if (!wind)
                this._currentWeatherWind.text = '\u2013';
            else if (wind == 0 || !wind_direction)
                this._currentWeatherWind.text = parseFloat(wind).toLocaleString() + ' ' + wind_unit;
            else // i.e. wind > 0 && wind_direction
                this._currentWeatherWind.text = wind_direction + ' ' + parseFloat(wind).toLocaleString() + ' ' + wind_unit;

            // Refresh forecast
            for (let i = 0; i < this._days_forecast; i++) {
                let forecastUi = this._forecast[i];
                let forecastData = forecast[i];

                let code = forecastData.code;
                let t_low = forecastData.low;
                let t_high = forecastData.high;

                switch (this._units) {
                    case WeatherUnits.FAHRENHEIT:
                        break;

                    case WeatherUnits.CELSIUS:
                        t_low = this.toCelsius(t_low);
                        t_high = this.toCelsius(t_high);
                        break;

                    case WeatherUnits.KELVIN:
                        t_low = this.toKelvin(t_low);
                        t_high = this.toKelvin(t_high);
                        break;

                    case WeatherUnits.RANKINE:
                        t_low = this.toRankine(t_low);
                        t_high = this.toRankine(t_high);
                        break;

                    case WeatherUnits.REAUMUR:
                        t_low = this.toReaumur(t_low);
                        t_high = this.toReaumur(t_high);
                        break;

                    case WeatherUnits.ROEMER:
                        t_low = this.toRoemer(t_low);
                        t_high = this.toRoemer(t_high);
                        break;

                    case WeatherUnits.DELISLE:
                        t_low = this.toDelisle(t_low);
                        t_high = this.toDelisle(t_high);
                        break;

                    case WeatherUnits.NEWTON:
                        t_low = this.toNewton(t_low);
                        t_high = this.toNewton(t_high);
                        break;
                }

                let comment = forecastData.text;
                if (this._translate_condition)
                    comment = this.get_weather_condition(code);

                let forecastDate = new Date(forecastData.date);
                let dayLeft = Math.floor((actualDate.getTime() - forecastDate.getTime()) / 1000 / 60 / 60 / 24);

                let date_string = _("Today");
                if (dayLeft == -1)
                    date_string = _("Tomorrow");
                else if (dayLeft < -1)
                    date_string = _("In %s days").replace("%s", -1 * dayLeft);
                else if (dayLeft == 1)
                    date_string = _("Yesterday");
                else if (dayLeft > 1)
                    date_string = _("%s days ago").replace("%s", dayLeft);

                forecastUi.Day.text = date_string + ' (' + this.get_locale_day(forecastDate.getDay()) + ')';
                forecastUi.Temperature.text = '\u2193 ' + parseFloat(t_low).toLocaleString() + ' ' + this.unit_to_unicode() + '    \u2191 ' + parseFloat(t_high).toLocaleString() + ' ' + this.unit_to_unicode();
                forecastUi.Summary.text = comment;
                forecastUi.Icon.icon_name = this.get_weather_icon_safely(code);
            }
            return 0;
        });

        // Repeatedly refresh weather if recurse is set
        if (recurse) {
            this._timeoutS = Mainloop.timeout_add_seconds(this._refresh_interval, Lang.bind(this, function() {
                this.refreshWeather(true);
            }));
        }
        return 0;
    },

    destroyCurrentWeather: function() {
        if (this._currentWeather.get_child() != null)
            this._currentWeather.get_child().destroy();
    },

    destroyFutureWeather: function() {
        if (this._futureWeather.get_child() != null)
            this._futureWeather.get_child().destroy();
    },

    showLoadingUi: function() {
        this.destroyCurrentWeather();
        this.destroyFutureWeather();
        this._currentWeather.set_child(new St.Label({
            text: _('Loading current weather ...')
        }));
        this._futureWeather.set_child(new St.Label({
            text: _('Loading future weather ...')
        }));
    },

    rebuildCurrentWeatherUi: function() {
        this.destroyCurrentWeather();

        // This will hold the icon for the current weather
        this._currentWeatherIcon = new St.Icon({
            icon_size: 72,
            icon_name: 'view-refresh' + this.icon_type(),
            style_class: 'weather-current-icon'
        });

        this._sunriseIcon = new St.Icon({
            icon_size: 15,
            icon_name: 'weather-clear' + this.icon_type(),
            style_class: 'weather-sunrise-icon'
        });

        this._sunsetIcon = new St.Icon({
            icon_size: 15,
            icon_name: 'weather-clear-night' + this.icon_type(),
            style_class: 'weather-sunset-icon'
        });

        this._buildIcon = new St.Icon({
            icon_size: 15,
            icon_name: 'view-refresh' + this.icon_type(),
            style_class: 'weather-build-icon'
        });

        // The summary of the current weather
        this._currentWeatherSummary = new St.Label({
            text: _('Loading ...'),
            style_class: 'weather-current-summary'
        });
        this._currentWeatherLocation = new St.Label({
            text: _('Please wait')
        });

        let bb = new St.BoxLayout({
            vertical: true,
            style_class: 'weather-current-summarybox'
        });
        bb.add_actor(this._currentWeatherLocation);
        bb.add_actor(this._currentWeatherSummary);

        this._currentWeatherSunrise = new St.Label({
            text: '-'
        });
        this._currentWeatherSunset = new St.Label({
            text: '-'
        });
        this._currentWeatherBuild = new St.Label({
            text: '-'
        });

        let ab = new St.BoxLayout({
            style_class: 'weather-current-infobox'
        });

        ab.add_actor(this._sunriseIcon);
        ab.add_actor(this._currentWeatherSunrise);
        ab.add_actor(this._sunsetIcon);
        ab.add_actor(this._currentWeatherSunset);
        ab.add_actor(this._buildIcon);
        ab.add_actor(this._currentWeatherBuild);
        bb.add_actor(ab);

        // Other labels
        this._currentWeatherTemperature = new St.Label({
            text: '...'
        });
        this._currentWeatherHumidity = new St.Label({
            text: '...'
        });
        this._currentWeatherPressure = new St.Label({
            text: '...'
        });
        this._currentWeatherWind = new St.Label({
            text: '...'
        });

        let rb = new St.BoxLayout({
            style_class: 'weather-current-databox'
        });
        let rb_captions = new St.BoxLayout({
            vertical: true,
            style_class: 'weather-current-databox-captions'
        });
        let rb_values = new St.BoxLayout({
            vertical: true,
            style_class: 'weather-current-databox-values'
        });
        rb.add_actor(rb_captions);
        rb.add_actor(rb_values);

        rb_captions.add_actor(new St.Label({
            text: _('Feels like:')
        }));
        rb_values.add_actor(this._currentWeatherTemperature);
        rb_captions.add_actor(new St.Label({
            text: _('Humidity:')
        }));
        rb_values.add_actor(this._currentWeatherHumidity);
        rb_captions.add_actor(new St.Label({
            text: _('Pressure:')
        }));
        rb_values.add_actor(this._currentWeatherPressure);
        rb_captions.add_actor(new St.Label({
            text: _('Wind:')
        }));
        rb_values.add_actor(this._currentWeatherWind);

        let xb = new St.BoxLayout();
        xb.add_actor(bb);
        xb.add_actor(rb);

        let box = new St.BoxLayout({
            style_class: 'weather-current-iconbox'
        });
        box.add_actor(this._currentWeatherIcon);
        box.add_actor(xb);
        this._currentWeather.set_child(box);
    },

    rebuildFutureWeatherUi: function() {
        this.destroyFutureWeather();

        this._forecast = [];
        this._forecastBox = new St.BoxLayout({
            x_align: this._center_forecast ? St.Align.END : St.Align.START,
            style_class: 'weather-forecast-box'
        });

        this._forecastScrollBox = new St.ScrollView({
            style_class: 'weather-forecasts'
        });
        this._forecastScrollBox.hscroll.margin_right = 25;
        this._forecastScrollBox.hscroll.margin_left = 25;
        this._forecastScrollBox.hscroll.hide();
        this._forecastScrollBox.vscrollbar_policy = Gtk.PolicyType.NEVER;
        this._forecastScrollBox.hscrollbar_policy = Gtk.PolicyType.AUTOMATIC;

        this._futureWeather.set_child(this._forecastScrollBox);

        for (let i = 0; i < this._days_forecast; i++) {
            let forecastWeather = {};

            forecastWeather.Icon = new St.Icon({
                icon_size: 48,
                icon_name: 'view-refresh' + this.icon_type(),
                style_class: 'weather-forecast-icon'
            });
            forecastWeather.Day = new St.Label({
                style_class: 'weather-forecast-day'
            });
            forecastWeather.Summary = new St.Label({
                style_class: 'weather-forecast-summary'
            });
            forecastWeather.Temperature = new St.Label({
                style_class: 'weather-forecast-temperature'
            });

            let by = new St.BoxLayout({
                vertical: true,
                style_class: 'weather-forecast-databox'
            });
            by.add_actor(forecastWeather.Day);
            by.add_actor(forecastWeather.Summary);
            by.add_actor(forecastWeather.Temperature);

            let bb = new St.BoxLayout({
                style_class: 'weather-forecast-iconbox'
            });
            bb.add_actor(forecastWeather.Icon);
            bb.add_actor(by);

            this._forecast[i] = forecastWeather;
            this._forecastBox.add_actor(bb);
        }
        this._forecastScrollBox.add_actor(this._forecastBox);
    }
});

let weatherMenu;

function init() {
    Convenience.initTranslations('gnome-shell-extension-weather');
}

function enable() {
    weatherMenu = new WeatherMenuButton();
    Main.panel.addToStatusArea('weatherMenu', weatherMenu);
}

function disable() {
    weatherMenu.stop();
    weatherMenu.destroy();
}