felixfoertsch/gnome-night-theme-switcher
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Add support for Materia-compact and Arc themes, watch theme changes

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This commit is contained in:
Romain Vigier
2019-10-16 17:06:44 +02:00
parent 778cb5ad7a
commit 65606dc617
1 changed files with 50 additions and 25 deletions
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src/extension.js
+58 -33
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@@ -20,44 +20,13 @@ this program. If not, see <http s ://www.gnu.org/licenses/>.
const Gio = imports.gi.Gio;
let interface_settings;
let interface_settings, interface_settings_connect_id;
let nightlight_active;
let original_user_theme, user_theme_day, user_theme_night;
let conn, proxy, proxy_connect_id;
function _get_theme() {
return interface_settings.get_string('gtk-theme');
}
function _set_theme(theme) {
interface_settings.set_string('gtk-theme', theme);
}
function _apply_theme_variant() {
const variant = proxy.get_cached_property('NightLightActive');
if ( variant.get_boolean() === nightlight_active ) return;
nightlight_active = variant.get_boolean();
_set_theme(nightlight_active ? user_theme_night : user_theme_day);
}
function init() {}
function enable() {
// Store the current user theme and build day and night variants
interface_settings = new Gio.Settings({ schema: 'org.gnome.desktop.interface' });
original_user_theme = _get_theme();
if ( original_user_theme.includes('HighContrast') ) {
user_theme_day = 'HighContrast';
user_theme_night = 'HighContrastInverse';
}
else {
user_theme_day = original_user_theme.replace(/(-dark)?/gi, '');
user_theme_night = user_theme_day.replace(/(-light)?(-darker)?/gi, '') + '-dark';
}
// Connect to session bus, listen to Color changes and change theme variant
try {
function _connect_dbus_proxy() {
conn = Gio.bus_get_sync(Gio.BusType.SESSION, null);
if ( conn === null ) {
throw new Error('Unable to connect to the session bus');
@@ -74,22 +43,78 @@ function enable() {
if ( proxy === null ) {
throw new Error('Unable to create proxy to the session bus');
}
}
function _get_theme() {
return interface_settings.get_string('gtk-theme');
}
function _set_theme(theme) {
interface_settings.set_string('gtk-theme', theme);
}
function _build_theme_variants() {
if ( original_user_theme.includes('HighContrast') ) {
user_theme_day = 'HighContrast';
user_theme_night = 'HighContrastInverse';
}
else if ( original_user_theme.match(/Materia.*-compact/g) ) {
user_theme_day = original_user_theme.replace('-dark', '');
user_theme_night = user_theme_day.replace(/(-light)?-compact/g, '-dark-compact');
}
else if ( original_user_theme.includes('Arc') ) {
user_theme_day = original_user_theme.replace('-Dark', '');
user_theme_night = user_theme_day.replace('-Darker', '') + '-Dark';
}
else {
user_theme_day = original_user_theme.replace('-dark', '');
user_theme_night = user_theme_day.replace(/(-light)?(-darker)?/g, '') + '-dark';
}
}
function _apply_theme_variant() {
const variant = proxy.get_cached_property('NightLightActive');
if ( variant.get_boolean() === nightlight_active ) return;
nightlight_active = variant.get_boolean();
_set_theme(nightlight_active ? user_theme_night : user_theme_day);
}
function init() {}
function enable() {
// Store the current user theme and build day and night variants
interface_settings = new Gio.Settings({ schema: 'org.gnome.desktop.interface' });
original_user_theme = _get_theme();
_build_theme_variants();
// Connect to session bus, listen to Color changes and change theme variant
try {
_connect_dbus_proxy();
}
catch(e) {
logError(e);
}
proxy_connect_id = proxy.connect('g-properties-changed', _apply_theme_variant);
_apply_theme_variant();
// Listen to theme change
interface_settings_connect_id = interface_settings.connect('changed::gtk-theme', () => {
original_user_theme = _get_theme();
_build_theme_variants();
_apply_theme_variant();
});
}
function disable() {
if ( proxy && proxy_connect_id ) {
proxy.disconnect(proxy_connect_id);
}
interface_settings.disconnect(interface_settings_connect_id);
_set_theme(original_user_theme);
interface_settings = null;
interface_settings_connect_id = null;
nightlight_active = null;
original_user_theme = null;
user_theme_day = null;