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// SPDX-FileCopyrightText: 2020 Florian Müllner <fmuellner@gnome.org>
//
// SPDX-License-Identifier: GPL-2.0-or-later
// we use async/await here to not block the mainloop, not to parallelize
/* eslint-disable no-await-in-loop */
import Adw from 'gi://Adw';
import Gio from 'gi://Gio';
import GLib from 'gi://GLib';
import GObject from 'gi://GObject';
import Gtk from 'gi://Gtk';
import {ExtensionPreferences} from 'resource:///org/gnome/Shell/Extensions/js/extensions/prefs.js';
import {getThemeDirs, getModeThemeDirs} from './util.js';
Gio._promisify(Gio.File.prototype, 'enumerate_children_async');
Gio._promisify(Gio.File.prototype, 'query_info_async');
Gio._promisify(Gio.FileEnumerator.prototype, 'next_files_async');
class UserThemePrefsWidget extends Adw.PreferencesGroup {
static {
GObject.registerClass(this);
}
constructor(settings) {
super({title: 'Themes'});
this._actionGroup = new Gio.SimpleActionGroup();
this.insert_action_group('theme', this._actionGroup);
this._settings = settings;
this._actionGroup.add_action(
this._settings.create_action('name'));
this.connect('destroy', () => (this._settings = null));
this._rows = new Map();
this._addTheme(''); // default
this._collectThemes();
}
async _collectThemes() {
for (const dirName of getThemeDirs()) {
const dir = Gio.File.new_for_path(dirName);
for (const name of await this._enumerateDir(dir)) {
if (this._rows.has(name))
continue;
const file = dir.resolve_relative_path(
`${name}/gnome-shell/gnome-shell.css`);
try {
await file.query_info_async(
Gio.FILE_ATTRIBUTE_STANDARD_NAME,
Gio.FileQueryInfoFlags.NONE,
GLib.PRIORITY_DEFAULT, null);
this._addTheme(name);
} catch (e) {
if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_FOUND))
logError(e);
}
}
}
for (const dirName of getModeThemeDirs()) {
const dir = Gio.File.new_for_path(dirName);
for (const filename of await this._enumerateDir(dir)) {
if (!filename.endsWith('.css'))
continue;
const name = filename.slice(0, -4);
if (!this._rows.has(name))
this._addTheme(name);
}
}
}
_addTheme(name) {
const row = new ThemeRow(name);
this._rows.set(name, row);
this.add(row);
}
async _enumerateDir(dir) {
const fileInfos = [];
let fileEnum;
try {
fileEnum = await dir.enumerate_children_async(
Gio.FILE_ATTRIBUTE_STANDARD_NAME,
Gio.FileQueryInfoFlags.NONE,
GLib.PRIORITY_DEFAULT, null);
} catch (e) {
if (!e.matches(Gio.IOErrorEnum, Gio.IOErrorEnum.NOT_FOUND))
logError(e);
return [];
}
let infos;
do {
infos = await fileEnum.next_files_async(100,
GLib.PRIORITY_DEFAULT, null);
fileInfos.push(...infos);
} while (infos.length > 0);
return fileInfos.map(info => info.get_name());
}
}
class ThemeRow extends Adw.ActionRow {
static {
GObject.registerClass(this);
}
constructor(name) {
const check = new Gtk.CheckButton({
action_name: 'theme.name',
action_target: new GLib.Variant('s', name),
});
super({
title: name || 'Default',
activatable_widget: check,
});
this.add_prefix(check);
}
}
export default class UserThemePrefs extends ExtensionPreferences {
getPreferencesWidget() {
return new UserThemePrefsWidget(this.getSettings());
}
}
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