Files
gnome-night-theme-switcher/src/modules/CursorThemer.js
T

143 lines
4.5 KiB
JavaScript

/*
Night Theme Switcher Gnome Shell extension
Copyright (C) 2020 Romain Vigier
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 s ://www.gnu.org/licenses/>.
*/
const { extensionUtils } = imports.misc;
const { main } = imports.ui;
const Me = extensionUtils.getCurrentExtension();
const e = Me.imports.extension;
const { logDebug } = Me.imports.utils;
/**
* The Cursor Themer is responsible for changing the cursor theme according to
* the time.
*/
var CursorThemer = class {
constructor() {
this._statusChangedConnect = null;
this._variantChangedConnect = null;
this._systemCursorThemeChangedConnect = null;
this._timeChangedConnect = null;
}
enable() {
logDebug('Enabling Cursor Themer...');
this._watchStatus();
if (e.settings.cursorVariants.enabled) {
this._connectSettings();
this._connectTimer();
}
logDebug('Cursor Themer enabled.');
}
disable() {
logDebug('Disabling Cursor Themer...');
this._disconnectTimer();
this._disconnectSettings();
this._unwatchStatus();
logDebug('Cursor Themer disabled.');
}
_watchStatus() {
logDebug('Watching cursor variants status...');
this._statusChangedConnect = e.settings.cursorVariants.connect('status-changed', this._onStatusChanged.bind(this));
}
_unwatchStatus() {
if (this._statusChangedConnect) {
e.settings.cursorVariants.disconnect(this._statusChangedConnect);
this._statusChangedConnect = null;
}
logDebug('Stopped watching cursor variants status.');
}
_connectSettings() {
logDebug('Connecting Cursor Themer to settings...');
this._variantChangedConnect = e.settings.cursorVariants.connect('variant-changed', this._onVariantChanged.bind(this));
this._systemCursorThemeChangedConnect = e.settings.system.connect('cursor-theme-changed', this._onSystemCursorThemeChanged.bind(this));
}
_disconnectSettings() {
if (this._variantChangedConnect) {
e.settings.cursorVariants.disconnect(this._variantChangedConnect);
this._variantChangedConnect = null;
}
if (this._systemCursorThemeChangedConnect) {
e.settings.system.disconnect(this._systemCursorThemeChangedConnect);
this._systemCursorThemeChangedConnect = null;
}
logDebug('Disconnected Cursor Themer from settings.');
}
_connectTimer() {
logDebug('Connecting Cursor Themer to Timer...');
this._timeChangedConnect = e.timer.connect('time-changed', this._onTimeChanged.bind(this));
}
_disconnectTimer() {
if (this._timeChangedConnect) {
e.timer.disconnect(this._timeChangedConnect);
this._timeChangedConnect = null;
}
logDebug('Disconnected Cursor Themer from Timer.');
}
_onStatusChanged(_settings, _enabled) {
this.disable();
this.enable();
}
_onVariantChanged(_settings, changedVariantTime) {
if (changedVariantTime === e.timer.time)
this._setSystemVariant(changedVariantTime);
}
_onSystemCursorThemeChanged(_settings, newTheme) {
switch (e.timer.time) {
case 'day':
e.settings.cursorVariants.day = newTheme;
break;
case 'night':
e.settings.cursorVariants.night = newTheme;
}
this._setSystemVariant(e.timer.time);
}
_onTimeChanged(_timer, newTime) {
this._setSystemVariant(newTime);
}
_setSystemVariant(time) {
logDebug(`Setting the cursor ${time} variant...`);
switch (time) {
case 'day':
if (e.settings.cursorVariants.day)
e.settings.system.cursorTheme = e.settings.cursorVariants.day;
break;
case 'night':
if (e.settings.cursorVariants.night)
e.settings.system.cursorTheme = e.settings.cursorVariants.night;
}
}
};