gnome-shell/js/misc/modemManager.js

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const NMA = imports.gi.NMA;
const Signals = imports.signals;
const { loadInterfaceXML } = imports.misc.fileUtils;
// _getMobileProvidersDatabase:
//
// Gets the database of mobile providers, with references between MCCMNC/SID and
// operator name
//
let _mpd;
function _getMobileProvidersDatabase() {
if (_mpd == null) {
try {
_mpd = new NMA.MobileProvidersDatabase();
_mpd.init(null);
} catch (e) {
log(e.message);
_mpd = null;
}
}
return _mpd;
}
// _findProviderForMccMnc:
// @operator_name: operator name
// @operator_code: operator code
//
// Given an operator name string (which may not be a real operator name) and an
// operator code string, tries to find a proper operator name to display.
//
function _findProviderForMccMnc(operator_name, operator_code) {
if (operator_name) {
if (operator_name.length != 0 &&
(operator_name.length > 6 || operator_name.length < 5)) {
// this looks like a valid name, i.e. not an MCCMNC (that some
// devices return when not yet connected
return operator_name;
}
if (isNaN(parseInt(operator_name))) {
// name is definitely not a MCCMNC, so it may be a name
// after all; return that
return operator_name;
}
}
let needle;
if ((!operator_name || operator_name.length == 0) && operator_code)
needle = operator_code;
else if (operator_name && (operator_name.length == 6 || operator_name.length == 5))
needle = operator_name;
else // nothing to search
return null;
let mpd = _getMobileProvidersDatabase();
if (mpd) {
let provider = mpd.lookup_3gpp_mcc_mnc(needle);
if (provider)
return provider.get_name();
}
return null;
}
// _findProviderForSid:
// @sid: System Identifier of the serving CDMA network
//
// Tries to find the operator name corresponding to the given SID
//
function _findProviderForSid(sid) {
if (sid == 0)
return null;
let mpd = _getMobileProvidersDatabase();
if (mpd) {
let provider = mpd.lookup_cdma_sid(sid);
if (provider)
return provider.get_name();
}
return null;
}
//------------------------------------------------------------------------------
// Support for the old ModemManager interface (MM < 0.7)
//------------------------------------------------------------------------------
// The following are not the complete interfaces, just the methods we need
// (or may need in the future)
const ModemGsmNetworkInterface = loadInterfaceXML('org.freedesktop.ModemManager.Modem.Gsm.Network');
const ModemGsmNetworkProxy = Gio.DBusProxy.makeProxyWrapper(ModemGsmNetworkInterface);
const ModemCdmaInterface = loadInterfaceXML('org.freedesktop.ModemManager.Modem.Cdma');
const ModemCdmaProxy = Gio.DBusProxy.makeProxyWrapper(ModemCdmaInterface);
var ModemGsm = new Lang.Class({
Name: 'ModemGsm',
_init(path) {
this._proxy = new ModemGsmNetworkProxy(Gio.DBus.system, 'org.freedesktop.ModemManager', path);
this.signal_quality = 0;
this.operator_name = null;
// Code is duplicated because the function have different signatures
this._proxy.connectSignal('SignalQuality', (proxy, sender, [quality]) => {
this.signal_quality = quality;
this.emit('notify::signal-quality');
});
this._proxy.connectSignal('RegistrationInfo', (proxy, sender, [status, code, name]) => {
this.operator_name = _findProviderForMccMnc(name, code);
this.emit('notify::operator-name');
});
this._proxy.GetRegistrationInfoRemote(([result], err) => {
if (err) {
log(err);
return;
}
let [status, code, name] = result;
this.operator_name = _findProviderForMccMnc(name, code);
this.emit('notify::operator-name');
});
this._proxy.GetSignalQualityRemote((result, err) => {
if (err) {
// it will return an error if the device is not connected
this.signal_quality = 0;
} else {
let [quality] = result;
this.signal_quality = quality;
}
this.emit('notify::signal-quality');
});
}
});
Signals.addSignalMethods(ModemGsm.prototype);
var ModemCdma = new Lang.Class({
Name: 'ModemCdma',
_init(path) {
this._proxy = new ModemCdmaProxy(Gio.DBus.system, 'org.freedesktop.ModemManager', path);
this.signal_quality = 0;
this.operator_name = null;
this._proxy.connectSignal('SignalQuality', (proxy, sender, params) => {
this.signal_quality = params[0];
this.emit('notify::signal-quality');
// receiving this signal means the device got activated
// and we can finally call GetServingSystem
if (this.operator_name == null)
this._refreshServingSystem();
});
this._proxy.GetSignalQualityRemote((result, err) => {
if (err) {
// it will return an error if the device is not connected
this.signal_quality = 0;
} else {
let [quality] = result;
this.signal_quality = quality;
}
this.emit('notify::signal-quality');
});
},
_refreshServingSystem() {
this._proxy.GetServingSystemRemote(([result], err) => {
if (err) {
// it will return an error if the device is not connected
this.operator_name = null;
} else {
let [bandClass, band, sid] = result;
this.operator_name = _findProviderForSid(sid)
}
this.emit('notify::operator-name');
});
}
});
Signals.addSignalMethods(ModemCdma.prototype);
//------------------------------------------------------------------------------
// Support for the new ModemManager1 interface (MM >= 0.7)
//------------------------------------------------------------------------------
const BroadbandModemInterface = loadInterfaceXML('org.freedesktop.ModemManager1.Modem');
const BroadbandModemProxy = Gio.DBusProxy.makeProxyWrapper(BroadbandModemInterface);
const BroadbandModem3gppInterface = loadInterfaceXML('org.freedesktop.ModemManager1.Modem.Modem3gpp');
const BroadbandModem3gppProxy = Gio.DBusProxy.makeProxyWrapper(BroadbandModem3gppInterface);
const BroadbandModemCdmaInterface = loadInterfaceXML('org.freedesktop.ModemManager1.Modem.ModemCdma');
const BroadbandModemCdmaProxy = Gio.DBusProxy.makeProxyWrapper(BroadbandModemCdmaInterface);
var BroadbandModem = new Lang.Class({
Name: 'BroadbandModem',
_init(path, capabilities) {
this._proxy = new BroadbandModemProxy(Gio.DBus.system, 'org.freedesktop.ModemManager1', path);
this._proxy_3gpp = new BroadbandModem3gppProxy(Gio.DBus.system, 'org.freedesktop.ModemManager1', path);
this._proxy_cdma = new BroadbandModemCdmaProxy(Gio.DBus.system, 'org.freedesktop.ModemManager1', path);
this._capabilities = capabilities;
this._proxy.connect('g-properties-changed', (proxy, properties) => {
if ('SignalQuality' in properties.deep_unpack())
this._reloadSignalQuality();
});
this._reloadSignalQuality();
this._proxy_3gpp.connect('g-properties-changed', (proxy, properties) => {
let unpacked = properties.deep_unpack();
if ('OperatorName' in unpacked || 'OperatorCode' in unpacked)
this._reload3gppOperatorName();
});
this._reload3gppOperatorName();
this._proxy_cdma.connect('g-properties-changed', (proxy, properties) => {
let unpacked = properties.deep_unpack();
if ('Nid' in unpacked || 'Sid' in unpacked)
this._reloadCdmaOperatorName();
});
this._reloadCdmaOperatorName();
},
_reloadSignalQuality() {
let [quality, recent] = this._proxy.SignalQuality;
this.signal_quality = quality;
this.emit('notify::signal-quality');
},
_reloadOperatorName() {
let new_name = "";
if (this.operator_name_3gpp && this.operator_name_3gpp.length > 0)
new_name += this.operator_name_3gpp;
if (this.operator_name_cdma && this.operator_name_cdma.length > 0) {
if (new_name != "")
new_name += ", ";
new_name += this.operator_name_cdma;
}
this.operator_name = new_name;
this.emit('notify::operator-name');
},
_reload3gppOperatorName() {
let name = this._proxy_3gpp.OperatorName;
let code = this._proxy_3gpp.OperatorCode;
this.operator_name_3gpp = _findProviderForMccMnc(name, code);
this._reloadOperatorName();
},
_reloadCdmaOperatorName() {
let sid = this._proxy_cdma.Sid;
this.operator_name_cdma = _findProviderForSid(sid);
this._reloadOperatorName();
}
});
Signals.addSignalMethods(BroadbandModem.prototype);