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Merge branch 'refactor/nightlighter-dbus' into 'master'

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Refactor DBus calls, only emit on NightLightActive change (Fix #7)

Closes #7

See merge request rmnvgr/nightthemeswitcher-gnome-shell-extension!12
This commit is contained in:
Romain
2020-03-25 18:19:07 +00:00
parent 6c877699c6 21ed681fca
commit 9f395055cb
1 changed files with 21 additions and 24 deletions
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src/modules/Nightlighter.js
+21 -24
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@@ -16,7 +16,7 @@ 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 { extensionUtils, fileUtils } = imports.misc;
const { Gio } = imports.gi;
const { main } = imports.ui;
@@ -28,6 +28,8 @@ const { log_debug } = Me.imports.utils;
const Gettext = imports.gettext.domain(config.EXT_UUID);
const _ = Gettext.gettext;
const State = new Map();
/*
The Nightlighter establishes a connection with the session bus to get the
@@ -55,6 +57,7 @@ var Nightlighter = class {
this._check_nightlight_status();
this._connect_to_dbus();
this._listen_to_nightlight_changes();
State.set('nightlight_active', this._get_nightlight_active())
this.emit();
log_debug('Nightlighter enabled.');
}
@@ -74,14 +77,7 @@ var Nightlighter = class {
}
get time() {
if ( this.dbus_proxy ) {
try {
return this.dbus_proxy.get_cached_property('NightLightActive').get_boolean() ? 'night' : 'day';
}
catch(e) {
return 'day'; // Sometimes when Night Light hasn't changed colors yet it returns an error, we consider it is inactive.
}
}
return State.get('nightlight_active') ? 'night' : 'day';
}
subscribe(callback) {
@@ -137,21 +133,14 @@ var Nightlighter = class {
_connect_to_dbus() {
if ( !this.dbus_proxy ) {
log_debug('Connecting to DBus...');
const connection = Gio.bus_get_sync(Gio.BusType.SESSION, null);
if ( connection === null ) {
const message = _('Unable to connect to the session bus.');
throw new Error(message);
}
this.dbus_proxy = Gio.DBusProxy.new_sync(
connection,
Gio.DBusProxyFlags.GET_INVALIDATED_PROPERTIES,
null,
const color_interface = fileUtils.loadInterfaceXML('org.gnome.SettingsDaemon.Color');
const ColorProxy = Gio.DBusProxy.makeProxyWrapper(color_interface);
this.dbus_proxy = new ColorProxy(
Gio.DBus.session,
'org.gnome.SettingsDaemon.Color',
'/org/gnome/SettingsDaemon/Color',
'org.gnome.SettingsDaemon.Color',
null
'/org/gnome/SettingsDaemon/Color'
);
if ( this.dbus_proxy === null ) {
if ( !this.dbus_proxy ) {
const message = _('Unable to create proxy to the session bus.');
throw new Error(message);
}
@@ -184,8 +173,16 @@ var Nightlighter = class {
}
_on_nightlight_change() {
log_debug('Night Light has changed.');
this.emit();
const nightlight_active = this._get_nightlight_active();
if ( State.get('nightlight_active') !== nightlight_active ) {
log_debug('Night Light has become ' + (nightlight_active ? '' : 'in') + 'active.');
State.set('nightlight_active', nightlight_active);
this.emit();
}
}
_get_nightlight_active() {
return this.dbus_proxy.NightLightActive
}
}