134 lines
4.5 KiB
JavaScript
134 lines
4.5 KiB
JavaScript
// SPDX-FileCopyrightText: 2020, 2021 Romain Vigier <contact AT romainvigier.fr>
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// SPDX-License-Identifier: GPL-3.0-or-later
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const { Gio } = imports.gi;
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const { extensionUtils } = imports.misc;
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const Me = extensionUtils.getCurrentExtension();
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const e = Me.imports.extension;
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const utils = Me.imports.utils;
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const { logDebug } = utils;
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/**
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* The Backgrounder is responsible for changing the desktop background
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* according to the time.
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*
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* When the user changes its desktop background (for example via the system
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* settings), it will use it as the current time background.
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*/
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var Backgrounder = class {
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constructor() {
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this._backgroundsSettings = extensionUtils.getSettings(utils.getSettingsSchema('backgrounds'));
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this._systemBackgroundSettings = new Gio.Settings({ schema: 'org.gnome.desktop.background' });
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this._settingsConnections = [];
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this._statusConnection = null;
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this._timerConnection = null;
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}
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enable() {
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logDebug('Enabling Backgrounder...');
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this._watchStatus();
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if (this._backgroundsSettings.get_boolean('enabled')) {
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this._connectSettings();
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this._connectTimer();
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this._updateSystemBackground(e.timer.time);
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}
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logDebug('Backgrounder enabled.');
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}
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disable() {
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logDebug('Disabling Backgrounder...');
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this._disconnectTimer();
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this._disconnectSettings();
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this._unwatchStatus();
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logDebug('Backgrounder disabled.');
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}
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_watchStatus() {
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logDebug('Watching backgrounds status...');
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this._statusConnection = this._backgroundsSettings.connect('changed::enabled', this._onStatusChanged.bind(this));
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}
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_unwatchStatus() {
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if (this._statusConnection) {
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this._backgroundsSettings.disconnect(this._statusConnection);
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this._statusConnection = null;
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}
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logDebug('Stopped watching backgrounds status.');
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}
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_connectSettings() {
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logDebug('Connecting Backgrounder to settings...');
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this._settingsConnections.push({
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settings: this._backgroundsSettings,
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id: this._backgroundsSettings.connect('changed::day', this._onDayBackgroundChanged.bind(this)),
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});
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this._settingsConnections.push({
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settings: this._backgroundsSettings,
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id: this._backgroundsSettings.connect('changed::night', this._onNightBackgroundChanged.bind(this)),
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});
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this._settingsConnections.push({
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settings: this._systemBackgroundSettings,
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id: this._systemBackgroundSettings.connect('changed::picture-uri', this._onSystemBackgroundChanged.bind(this)),
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});
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}
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_disconnectSettings() {
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this._settingsConnections.forEach(connection => connection.settings.disconnect(connection.id));
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this._settingsConnections = [];
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logDebug('Disconnected Backgrounder from settings.');
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}
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_connectTimer() {
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logDebug('Connecting Backgrounder to Timer...');
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this._timerConnection = e.timer.connect('time-changed', this._onTimeChanged.bind(this));
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}
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_disconnectTimer() {
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if (this._timerConnection) {
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e.timer.disconnect(this._timerConnection);
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this._timerConnection = null;
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}
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logDebug('Disconnected Backgrounder from Timer.');
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}
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_onStatusChanged() {
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logDebug(`Backgrounds switching has been ${this._backgroundsSettings.get_boolean('enabled') ? 'enabled' : 'disabled'}.`);
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this.disable();
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this.enable();
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}
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_onDayBackgroundChanged() {
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logDebug(`Day background changed to '${this._backgroundsSettings.get_string('day')}'.`);
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this._updateSystemBackground();
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}
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_onNightBackgroundChanged() {
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logDebug(`Night background changed to '${this._backgroundsSettings.get_string('night')}'.`);
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this._updateSystemBackground();
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}
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_onSystemBackgroundChanged() {
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logDebug(`System background changed to '${this._systemBackgroundSettings.get_string('picture-uri')}'.`);
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this._updateCurrentBackground();
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}
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_onTimeChanged() {
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this._updateSystemBackground();
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}
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_updateCurrentBackground() {
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if (e.timer.time)
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this._backgroundsSettings.set_string(e.timer.time, this._systemBackgroundSettings.get_string('picture-uri'));
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}
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_updateSystemBackground() {
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if (e.timer.time && this._backgroundsSettings.get_string(e.timer.time))
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this._systemBackgroundSettings.set_string('picture-uri', this._backgroundsSettings.get_string(e.timer.time));
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}
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};
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