55b57421dc
Inheriting from actors allows to use virtual functions instead of signal connections for multiple cases, so just use them when possible. https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/559
73 lines
2.7 KiB
JavaScript
73 lines
2.7 KiB
JavaScript
// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
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/* exported Indicator */
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const { Gio, GObject, St } = imports.gi;
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const PanelMenu = imports.ui.panelMenu;
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const PopupMenu = imports.ui.popupMenu;
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const Slider = imports.ui.slider;
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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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var Indicator = GObject.registerClass({
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GTypeName: 'Brightness_Indicator'
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}, class Indicator extends PanelMenu.SystemIndicator {
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_init() {
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super._init();
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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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log(error.message);
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return;
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}
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this._proxy.connect('g-properties-changed', this._sync.bind(this));
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this._sync();
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});
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this._item = new PopupMenu.PopupBaseMenuItem({ activate: false });
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this.menu.addMenuItem(this._item);
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this._slider = new Slider.Slider(0);
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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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let icon = new St.Icon({ icon_name: 'display-brightness-symbolic',
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style_class: 'popup-menu-icon' });
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this._item.add(icon);
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this._item.add(this._slider, { expand: true });
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this._item.connect('button-press-event', (actor, event) => {
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return this._slider.startDragging(event);
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});
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this._item.connect('key-press-event', (actor, event) => {
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return this._slider.emit('key-press-event', event);
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});
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}
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_sliderChanged() {
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let 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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GObject.signal_handler_block(this._slider, this._sliderChangedId);
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this._slider.value = value;
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GObject.signal_handler_unblock(this._slider, this._sliderChangedId);
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}
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_sync() {
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let visible = this._proxy.Brightness >= 0;
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this._item.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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