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gnome-shell-extension-openw.../weather@venemo.net/extension.js

220 lines
8.5 KiB

// 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 Timur Kristóf <venemo@msn.com>, Elad Alfassa <elad@fedoraproject.org>
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.
Foobar 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 GLib = imports.gi.GLib;
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const Mainloop = imports.mainloop;
const Cairo = imports.cairo;
const Clutter = imports.gi.Clutter;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Gettext = imports.gettext.domain('gnome-shell');
const _ = Gettext.gettext;
const Util = imports.misc.util;
const Main = imports.ui.main;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
const Calendar = imports.ui.calendar;
function WeatherMenuButton() {
this._init();
}
WeatherMenuButton.prototype = {
__proto__: PanelMenu.Button.prototype,
_init: function() {
// Panel icon
this._weatherIcon = new St.Icon({ icon_type: St.IconType.FULLCOLOR, icon_size: Main.panel.button.get_child().height - 4, icon_name: 'view-refresh-symbolic' });
if (Main.panel.actor.get_direction() == St.TextDirection.RTL) {
this._weatherIcon.set_style('padding-left: 5px;');
}
else {
this._weatherIcon.set_style('padding-right: 5px;');
}
// Label
this._weatherInfo = new St.Label({ text: 'Loading weather...' });
// 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.set_child(topBox);
// Current weather
this._currentWeather = new St.Bin();
// Future weather
this._futureWeather = new St.Bin();
// Separator (copied from Gnome shell's popupMenu.js)
this._separatorArea = new St.DrawingArea({ style_class: 'popup-separator-menu-item' });
this._separatorArea.width = 200;
this._separatorArea.connect('repaint', Lang.bind(this, this._onSeparatorAreaRepaint));
// Putting the popup item together
let mainBox = new St.BoxLayout();
mainBox.set_vertical(true);
mainBox.add_actor(this._currentWeather);
mainBox.add_actor(this._separatorArea);
//mainBox.add_actor(this._futureWeather);
this.menu.addActor(mainBox);
// Items
this.showLoadingUi();
// TODO: start weather request and hook up event handlers.
this.rebuildCurrentWeatherUi();
this.refreshWeather();
},
refreshWeather: function() {
// Refreshing current weather
let location = 'Budapest'; /* TODO */
let comment = 'Snowing'; /* TODO */
let temperature = '0'; /* TODO */
let temperature_unit = 'C'; /* TODO */
let humidity = '20 %'; /* TODO */
let wind = 'Northwest 20 km/h'; /* TODO */
let iconname = 'weather-snow-symbolic'; /* TODO */
this._currentWeatherIcon.icon_name = this._weatherIcon.icon_name = iconname;
this._weatherInfo.text = (comment + ', ' + temperature + ' ' + temperature_unit);
this._currentWeatherSummary.text = comment;
this._currentWeatherLocation.text = location;
this._currentWeatherTemperature.text = 'Temperature: ' + temperature + ' ' + temperature_unit;
this._currentWeatherHumidity.text = 'Humidity: ' + humidity;
this._currentWeatherWind.text = 'Wind: ' + wind;
},
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_type: St.IconType.FULLCOLOR, icon_size: 64, icon_name: 'view-refresh-symbolic' });
if (Main.panel.actor.get_direction() == St.TextDirection.RTL) {
this._currentWeatherIcon.set_style('padding-left: 10px;');
}
else {
this._currentWeatherIcon.set_style('padding-right: 10px;');
}
// The summary of the current weather
this._currentWeatherSummary = new St.Label({ text: 'Loading...' });
this._currentWeatherSummary.set_style('font-size: 35px;');
// Other labels
this._currentWeatherLocation = new St.Label({ text: 'Please wait' });
this._currentWeatherTemperature = new St.Label({ text: 'Temperature: ...' });
this._currentWeatherHumidity = new St.Label({ text: 'Humidity: ...' });
this._currentWeatherWind = new St.Label({ text: 'Wind: ...' });
let bb = new St.BoxLayout();
bb.set_vertical(true);
bb.add_actor(this._currentWeatherLocation);
bb.add_actor(this._currentWeatherSummary);
bb.set_style('padding-top: 15px;');
let rb = new St.BoxLayout();
rb.set_vertical(true);
rb.add_actor(this._currentWeatherTemperature);
rb.add_actor(this._currentWeatherHumidity);
rb.add_actor(this._currentWeatherWind);
rb.set_style('padding-top: 15px; padding-left: 10px;');
let xb = new St.BoxLayout();
xb.add_actor(bb);
xb.add_actor(rb);
let box = new St.BoxLayout();
box.add_actor(this._currentWeatherIcon);
box.add_actor(xb);
box.set_style('padding: 10px;');
this._currentWeather.set_child(box);
},
rebuildFutureWeatherUi: function() {
},
// Copied from Gnome shell's popupMenu.js
_onSeparatorAreaRepaint: function(area) {
let cr = area.get_context();
let themeNode = area.get_theme_node();
let [width, height] = area.get_surface_size();
let margin = themeNode.get_length('-margin-horizontal');
let gradientHeight = themeNode.get_length('-gradient-height');
let startColor = themeNode.get_color('-gradient-start');
let endColor = themeNode.get_color('-gradient-end');
let gradientWidth = (width - margin * 2);
let gradientOffset = (height - gradientHeight) / 2;
let pattern = new Cairo.LinearGradient(margin, gradientOffset, width - margin, gradientOffset + gradientHeight);
pattern.addColorStopRGBA(0, startColor.red / 255, startColor.green / 255, startColor.blue / 255, startColor.alpha / 255);
pattern.addColorStopRGBA(0.5, endColor.red / 255, endColor.green / 255, endColor.blue / 255, endColor.alpha / 255);
pattern.addColorStopRGBA(1, startColor.red / 255, startColor.green / 255, startColor.blue / 255, startColor.alpha / 255);
cr.setSource(pattern);
cr.rectangle(margin, gradientOffset, gradientWidth, gradientHeight);
cr.fill();
}
};
function main() {
this._weatherMenu = new WeatherMenuButton();
Main.panel._centerBox.add(this._weatherMenu.actor, { y_fill: true });
}