136 lines
4.4 KiB
JavaScript
136 lines
4.4 KiB
JavaScript
/*
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Night Theme Switcher Gnome Shell extension
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Copyright (C) 2020 Romain Vigier
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http s ://www.gnu.org/licenses/>.
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*/
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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 { logDebug } = Me.imports.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._backgroundsStatusChangedConnect = null;
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this._backgroundTimeChangedConnect = null;
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this._backgroundChangedConnect = null;
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this._timeChangedConnect = 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 (e.settingsManager.backgroundsEnabled) {
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this._connectSettings();
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this._connectTimer();
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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._backgroundsStatusChangedConnect = e.settingsManager.connect('backgrounds-status-changed', this._onBackgroundsStatusChanged.bind(this));
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}
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_unwatchStatus() {
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if (this._backgroundsStatusChangedConnect) {
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e.settingsManager.disconnect(this._backgroundsStatusChangedConnect);
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this._backgroundsStatusChangedConnect = 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._backgroundTimeChangedConnect = e.settingsManager.connect('background-time-changed', this._onBackgroundTimeChanged.bind(this));
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this._backgroundChangedConnect = e.settingsManager.connect('background-changed', this._onBackgroundChanged.bind(this));
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}
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_disconnectSettings() {
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if (this._backgroundTimeChangedConnect) {
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e.settingsManager.disconnect(this._backgroundTimeChangedConnect);
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this._backgroundTimeChangedConnect = null;
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}
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if (this._backgroundChangedConnect) {
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e.settingsManager.disconnect(this._backgroundChangedConnect);
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this._backgroundChangedConnect = null;
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}
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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._timeChangedConnect = e.timer.connect('time-changed', this._onTimeChanged.bind(this));
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}
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_disconnectTimer() {
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if (this._timeChangedConnect) {
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e.timer.disconnect(this._timeChangedConnect);
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this._timeChangedConnect = null;
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}
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logDebug('Disconnected Backgrounder from Timer.');
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}
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_onBackgroundsStatusChanged(_settings, _enabled) {
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this.disable();
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this.enable();
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}
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_onBackgroundTimeChanged(_settings, changedBackgroundTime) {
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if (changedBackgroundTime === e.timer.time)
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this._changeBackground(changedBackgroundTime);
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}
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_onBackgroundChanged(_settings, newBackground) {
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switch (e.timer.time) {
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case 'day':
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e.settingsManager.backgroundDay = newBackground;
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break;
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case 'night':
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e.settingsManager.backgroundNight = newBackground;
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}
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}
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_onTimeChanged(_timer, newTime) {
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this._changeBackground(newTime);
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}
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_changeBackground(time) {
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e.settingsManager.background = time === 'day' ? e.settingsManager.backgroundDay : e.settingsManager.backgroundNight;
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}
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};
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