67 lines
2.0 KiB
JavaScript
67 lines
2.0 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported Indicator */
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const Gio = imports.gi.Gio;
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const GObject = imports.gi.GObject;
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const {QuickSlider, SystemIndicator} = imports.ui.quickSettings;
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const {loadInterfaceXML} = imports.misc.fileUtils;
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const BUS_NAME = 'org.gnome.SettingsDaemon.Power';
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const OBJECT_PATH = '/org/gnome/SettingsDaemon/Power';
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const BrightnessInterface = loadInterfaceXML('org.gnome.SettingsDaemon.Power.Screen');
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const BrightnessProxy = Gio.DBusProxy.makeProxyWrapper(BrightnessInterface);
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const BrightnessItem = GObject.registerClass(
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class BrightnessItem extends QuickSlider {
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_init() {
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super._init({
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iconName: 'display-brightness-symbolic',
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});
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this._proxy = new BrightnessProxy(Gio.DBus.session, BUS_NAME, OBJECT_PATH,
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(proxy, error) => {
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if (error)
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console.error(error.message);
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else
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this._proxy.connect('g-properties-changed', () => this._sync());
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this._sync();
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});
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this._sliderChangedId = this.slider.connect('notify::value',
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this._sliderChanged.bind(this));
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this.slider.accessible_name = _('Brightness');
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}
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_sliderChanged() {
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const percent = this.slider.value * 100;
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this._proxy.Brightness = percent;
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}
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_changeSlider(value) {
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this.slider.block_signal_handler(this._sliderChangedId);
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this.slider.value = value;
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this.slider.unblock_signal_handler(this._sliderChangedId);
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}
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_sync() {
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const brightness = this._proxy.Brightness;
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const visible = Number.isInteger(brightness) && brightness >= 0;
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this.visible = visible;
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if (visible)
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this._changeSlider(this._proxy.Brightness / 100.0);
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}
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});
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var Indicator = GObject.registerClass(
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class Indicator extends SystemIndicator {
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_init() {
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super._init();
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this.quickSettingsItems.push(new BrightnessItem());
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}
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});
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