convenience.js

/* Panel Indicators GNOME Shell extension
 *
 * Copyright (C) 2019 Leandro Vital <leavitals@gmail.com>
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

const Gettext = imports.gettext;
const Gio = imports.gi.Gio;
const Config = imports.misc.config;
const ExtensionUtils = imports.misc.extensionUtils;

/**
 * initTranslations:
 * @domain: (optional): the gettext domain to use
 *
 * Initialize Gettext to load translations from extensionsdir/locale.
 * If @domain is not provided, it will be taken from metadata["gettext-domain"]
 */
function initTranslations(domain) {
    let extension = ExtensionUtils.getCurrentExtension();

    domain = domain || extension.metadata["gettext-domain"];

    // check if this extension was built with "make zip-file", and thus
    // has the locale files in a subfolder
    // otherwise assume that extension has been installed in the
    // same prefix as gnome-shell
    let localeDir = extension.dir.get_child("locale");
    if (localeDir.query_exists(null))
        Gettext.bindtextdomain(domain, localeDir.get_path());
    else
        Gettext.bindtextdomain(domain, Config.LOCALEDIR);
}

/**
 * getSettings:
 * @schema: (optional): the GSettings schema id
 *
 * Builds and return a GSettings schema for @schema, using schema files
 * in extensionsdir/schemas. If @schema is not provided, it is taken from
 * metadata["settings-schema"].
 */
function getSettings(schema) {
    let extension = ExtensionUtils.getCurrentExtension();

    schema = "org.gnome.shell.extensions.bigsur-statusarea";
    //schema = schema || extension.metadata["settings-schema"];

    const GioSSS = Gio.SettingsSchemaSource;

    // check if this extension was built with "make zip-file", and thus
    // has the schema files in a subfolder
    // otherwise assume that extension has been installed in the
    // same prefix as gnome-shell (and therefore schemas are available
    // in the standard folders)
    let schemaDir = extension.dir.get_child("schemas");
    let schemaSource;
    if (schemaDir.query_exists(null))
        schemaSource = GioSSS.new_from_directory(schemaDir.get_path(),
            GioSSS.get_default(),
            false);
    else
        schemaSource = GioSSS.get_default();

    let schemaObj = schemaSource.lookup(schema, true);
    if (!schemaObj)
        throw new Error("Schema " + schema + " could not be found for extension " +
            extension.metadata.uuid + ". Please check your installation.");

    return new Gio.Settings({
        settings_schema: schemaObj
    });
}