gnome-shell/js/ui/status/power.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Gio = imports.gi.Gio;
const Clutter = imports.gi.Clutter;
const St = imports.gi.St;
const Lang = imports.lang;
const UPower = imports.gi.UPowerGlib;
const Main = imports.ui.main;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
const BUS_NAME = 'org.freedesktop.UPower';
const OBJECT_PATH = '/org/freedesktop/UPower/devices/DisplayDevice';
const DisplayDeviceInterface = '<node> \
<interface name="org.freedesktop.UPower.Device"> \
<property name="Type" type="u" access="read"/> \
<property name="State" type="u" access="read"/> \
<property name="Percentage" type="d" access="read"/> \
<property name="TimeToEmpty" type="x" access="read"/> \
<property name="TimeToFull" type="x" access="read"/> \
<property name="IsPresent" type="b" access="read"/> \
<property name="IconName" type="s" access="read"/> \
</interface> \
</node>';
const PowerManagerProxy = Gio.DBusProxy.makeProxyWrapper(DisplayDeviceInterface);
const SHOW_BATTERY_PERCENTAGE = 'show-battery-percentage';
const Indicator = new Lang.Class({
Name: 'PowerIndicator',
Extends: PanelMenu.SystemIndicator,
_init: function() {
this.parent();
this._desktopSettings = new Gio.Settings({ schema_id: 'org.gnome.desktop.interface' });
this._desktopSettings.connect('changed::' + SHOW_BATTERY_PERCENTAGE,
Lang.bind(this, this._sync));
this._indicator = this._addIndicator();
this._percentageLabel = new St.Label({ y_expand: true,
y_align: Clutter.ActorAlign.CENTER });
this.indicators.add(this._percentageLabel, { expand: true, y_fill: true });
this.indicators.add_style_class_name('power-status');
this._proxy = new PowerManagerProxy(Gio.DBus.system, BUS_NAME, OBJECT_PATH,
Lang.bind(this, function(proxy, error) {
if (error) {
log(error.message);
return;
}
this._proxy.connect('g-properties-changed',
Lang.bind(this, this._sync));
this._sync();
}));
this._item = new PopupMenu.PopupSubMenuMenuItem("", true);
this._item.menu.addSettingsAction(_("Power Settings"), 'gnome-power-panel.desktop');
this.menu.addMenuItem(this._item);
Main.sessionMode.connect('updated', Lang.bind(this, this._sessionUpdated));
this._sessionUpdated();
},
_sessionUpdated: function() {
let sensitive = !Main.sessionMode.isLocked && !Main.sessionMode.isGreeter;
this.menu.setSensitive(sensitive);
},
_getStatus: function() {
let seconds = 0;
if (this._proxy.State == UPower.DeviceState.FULLY_CHARGED)
return _("Fully Charged");
else if (this._proxy.State == UPower.DeviceState.CHARGING)
seconds = this._proxy.TimeToFull;
else if (this._proxy.State == UPower.DeviceState.DISCHARGING)
seconds = this._proxy.TimeToEmpty;
// state is one of PENDING_CHARGING, PENDING_DISCHARGING
else
return _("Estimating…");
let time = Math.round(seconds / 60);
if (time == 0) {
// 0 is reported when UPower does not have enough data
// to estimate battery life
return _("Estimating…");
}
let minutes = time % 60;
let hours = Math.floor(time / 60);
if (this._proxy.State == UPower.DeviceState.DISCHARGING) {
// Translators: this is <hours>:<minutes> Remaining (<percentage>)
return _("%d\u2236%02d Remaining (%d\u2009%%)").format(hours, minutes, this._proxy.Percentage);
}
if (this._proxy.State == UPower.DeviceState.CHARGING) {
// Translators: this is <hours>:<minutes> Until Full (<percentage>)
return _("%d\u2236%02d Until Full (%d\u2009%%)").format(hours, minutes, this._proxy.Percentage);
}
return null;
},
_sync: function() {
// Do we have batteries or a UPS?
let visible = this._proxy.IsPresent;
if (visible) {
this._item.actor.show();
this._percentageLabel.visible = this._desktopSettings.get_boolean(SHOW_BATTERY_PERCENTAGE);
} else {
// If there's no battery, then we use the power icon.
this._item.actor.hide();
this._indicator.icon_name = 'system-shutdown-symbolic';
this._percentageLabel.hide();
return;
}
// The icons
let icon = this._proxy.IconName;
this._indicator.icon_name = icon;
this._item.icon.icon_name = icon;
// The icon label
let label
if (this._proxy.State == UPower.DeviceState.FULLY_CHARGED)
label = _("%d\u2009%%").format(100);
else
label = _("%d\u2009%%").format(this._proxy.Percentage);
this._percentageLabel.clutter_text.set_markup('<span size="smaller">' + label + '</span>');
// The status label
this._item.label.text = this._getStatus();
},
});