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

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
/* exported Indicator */
const {Gio, GLib, GnomeBluetooth, GObject} = imports.gi;
const {QuickToggle, SystemIndicator} = imports.ui.quickSettings;
const {loadInterfaceXML} = imports.misc.fileUtils;
const BUS_NAME = 'org.gnome.SettingsDaemon.Rfkill';
const OBJECT_PATH = '/org/gnome/SettingsDaemon/Rfkill';
const RfkillManagerInterface = loadInterfaceXML('org.gnome.SettingsDaemon.Rfkill');
const rfkillManagerInfo = Gio.DBusInterfaceInfo.new_for_xml(RfkillManagerInterface);
const HAD_BLUETOOTH_DEVICES_SETUP = 'had-bluetooth-devices-setup';
const BtClient = GObject.registerClass({
Properties: {
'available': GObject.ParamSpec.boolean('available', '', '',
GObject.ParamFlags.READABLE,
false),
'active': GObject.ParamSpec.boolean('active', '', '',
GObject.ParamFlags.READABLE,
false),
},
Signals: {
'devices-changed': {},
},
}, class BtClient extends GObject.Object {
_init() {
super._init();
this._hadSetupDevices = global.settings.get_boolean(HAD_BLUETOOTH_DEVICES_SETUP);
this._client = new GnomeBluetooth.Client();
this._client.connect('notify::default-adapter-powered', () => {
this.notify('active');
this.notify('available');
});
this._client.connect('notify::default-adapter', () => {
const newAdapter = this._client.default_adapter ?? null;
if (newAdapter && this._adapter)
this._setHadSetupDevices([...this._getDevices()].length > 0);
this._adapter = newAdapter;
this._deviceNotifyConnected.clear();
this.emit('devices-changed');
this.notify('active');
this.notify('available');
});
this._proxy = new Gio.DBusProxy({
g_connection: Gio.DBus.session,
g_name: BUS_NAME,
g_object_path: OBJECT_PATH,
g_interface_name: rfkillManagerInfo.name,
g_interface_info: rfkillManagerInfo,
});
this._proxy.connect('g-properties-changed', (p, properties) => {
if ('BluetoothHardwareAirplaneMode' in properties.unpack())
this.notify('available');
});
this._proxy.init_async(GLib.PRIORITY_DEFAULT, null)
.catch(e => console.error(e.message));
this._adapter = null;
this._deviceNotifyConnected = new Set();
const deviceStore = this._client.get_devices();
for (let i = 0; i < deviceStore.get_n_items(); i++)
this._connectDeviceNotify(deviceStore.get_item(i));
this._client.connect('device-removed', (c, path) => {
this._deviceNotifyConnected.delete(path);
this.emit('devices-changed');
});
this._client.connect('device-added', (c, device) => {
this._connectDeviceNotify(device);
this.emit('devices-changed');
});
}
get available() {
// If there were set up devices, assume there is an adapter
// that can be powered on as long as we're not hard blocked
return this._hadSetupDevices
? !this._proxy.BluetoothHardwareAirplaneMode
: this.active;
}
get active() {
return this._client.default_adapter_powered;
}
toggleActive() {
this._proxy.BluetoothAirplaneMode = this.active;
if (!this._client.default_adapter_powered)
this._client.default_adapter_powered = true;
}
*getDevices() {
const deviceStore = this._client.get_devices();
for (let i = 0; i < deviceStore.get_n_items(); i++) {
const device = deviceStore.get_item(i);
if (device.paired || device.trusted)
yield device;
}
}
_queueDevicesChanged() {
if (this._devicesChangedId)
return;
this._devicesChangedId = GLib.idle_add(GLib.PRIORITY_DEFAULT, () => {
delete this._devicesChangedId;
this.emit('devices-changed');
return GLib.SOURCE_REMOVE;
});
}
_setHadSetupDevices(value) {
if (this._hadSetupDevices === value)
return;
this._hadSetupDevices = value;
global.settings.set_boolean(
HAD_BLUETOOTH_DEVICES_SETUP, this._hadSetupDevices);
}
_connectDeviceNotify(device) {
const path = device.get_object_path();
if (this._deviceNotifyConnected.has(path))
return;
device.connect('notify::alias', () => this._queueDevicesChanged());
device.connect('notify::paired', () => this._queueDevicesChanged());
device.connect('notify::trusted', () => this._queueDevicesChanged());
device.connect('notify::connected', () => this._queueDevicesChanged());
this._deviceNotifyConnected.add(path);
}
});
const BluetoothToggle = GObject.registerClass(
class BluetoothToggle extends QuickToggle {
_init(client) {
super._init({label: _('Bluetooth')});
this._client = client;
this._client.bind_property('available',
this, 'visible',
GObject.BindingFlags.SYNC_CREATE);
this._client.bind_property('active',
this, 'checked',
GObject.BindingFlags.SYNC_CREATE);
this._client.bind_property_full('active',
this, 'icon-name',
GObject.BindingFlags.SYNC_CREATE,
(bind, source) => [true, source ? 'bluetooth-active-symbolic' : 'bluetooth-disabled-symbolic'],
null);
this.connect('clicked', () => this._client.toggleActive());
}
});
var Indicator = GObject.registerClass(
class Indicator extends SystemIndicator {
_init() {
super._init();
this._client = new BtClient();
this._client.connect('devices-changed', () => this._sync());
this._indicator = this._addIndicator();
this._indicator.icon_name = 'bluetooth-active-symbolic';
this.quickSettingsItems.push(new BluetoothToggle(this._client));
this._sync();
}
_sync() {
const devices = [...this._client.getDevices()];
const connectedDevices = devices.filter(dev => dev.connected);
const nConnectedDevices = connectedDevices.length;
this._indicator.visible = nConnectedDevices > 0;
}
});