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

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// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
const Clutter = imports.gi.Clutter;
const GLib = imports.gi.GLib;
const Gio = imports.gi.Gio;
const Lang = imports.lang;
const Main = imports.ui.main;
const PanelMenu = imports.ui.panelMenu;
const PopupMenu = imports.ui.popupMenu;
const ModalDialog = imports.ui.modalDialog;
const Shell = imports.gi.Shell;
const Signals = imports.signals;
const St = imports.gi.St;
const LOCATION_SCHEMA = 'org.gnome.system.location';
const MAX_ACCURACY_LEVEL = 'max-accuracy-level';
const ENABLED = 'enabled';
const APP_PERMISSIONS_TABLE = 'gnome';
const APP_PERMISSIONS_ID = 'geolocation';
const GeoclueAccuracyLevel = {
NONE: 0,
COUNTRY: 1,
CITY: 4,
NEIGHBORHOOD: 5,
STREET: 6,
EXACT: 8
};
function accuracyLevelToString(accuracyLevel) {
for (let key in GeoclueAccuracyLevel) {
if (GeoclueAccuracyLevel[key] == accuracyLevel)
return key;
}
return 'NONE';
}
var GeoclueIface = '<node> \
<interface name="org.freedesktop.GeoClue2.Manager"> \
<property name="InUse" type="b" access="read"/> \
<property name="AvailableAccuracyLevel" type="u" access="read"/> \
<method name="AddAgent"> \
<arg name="id" type="s" direction="in"/> \
</method> \
</interface> \
</node>';
const GeoclueManager = Gio.DBusProxy.makeProxyWrapper(GeoclueIface);
var AgentIface = '<node> \
<interface name="org.freedesktop.GeoClue2.Agent"> \
<property name="MaxAccuracyLevel" type="u" access="read"/> \
<method name="AuthorizeApp"> \
<arg name="desktop_id" type="s" direction="in"/> \
<arg name="req_accuracy_level" type="u" direction="in"/> \
<arg name="authorized" type="b" direction="out"/> \
<arg name="allowed_accuracy_level" type="u" direction="out"/> \
</method> \
</interface> \
</node>';
var PermissionStoreIface = '<node> \
<interface name="org.freedesktop.impl.portal.PermissionStore"> \
<method name="Lookup"> \
<arg name="table" type="s" direction="in"/> \
<arg name="id" type="s" direction="in"/> \
<arg name="permissions" type="a{sas}" direction="out"/> \
<arg name="data" type="v" direction="out"/> \
</method> \
<method name="Set"> \
<arg name="table" type="s" direction="in"/> \
<arg name="create" type="b" direction="in"/> \
<arg name="id" type="s" direction="in"/> \
<arg name="app_permissions" type="a{sas}" direction="in"/> \
<arg name="data" type="v" direction="in"/> \
</method> \
</interface> \
</node>';
const PermissionStore = Gio.DBusProxy.makeProxyWrapper(PermissionStoreIface);
const Indicator = new Lang.Class({
Name: 'LocationIndicator',
Extends: PanelMenu.SystemIndicator,
_init: function() {
this.parent();
this._settings = new Gio.Settings({ schema_id: LOCATION_SCHEMA });
this._settings.connect('changed::' + ENABLED,
Lang.bind(this, this._onMaxAccuracyLevelChanged));
this._settings.connect('changed::' + MAX_ACCURACY_LEVEL,
Lang.bind(this, this._onMaxAccuracyLevelChanged));
this._indicator = this._addIndicator();
this._indicator.icon_name = 'find-location-symbolic';
this._item = new PopupMenu.PopupSubMenuMenuItem('', true);
this._item.icon.icon_name = 'find-location-symbolic';
this._agent = Gio.DBusExportedObject.wrapJSObject(AgentIface, this);
this._agent.export(Gio.DBus.system, '/org/freedesktop/GeoClue2/Agent');
this._item.label.text = _("Location Enabled");
this._onOffAction = this._item.menu.addAction(_("Disable"), Lang.bind(this, this._onOnOffAction));
this._item.menu.addSettingsAction(_("Privacy Settings"), 'gnome-privacy-panel.desktop');
this.menu.addMenuItem(this._item);
this._watchId = Gio.bus_watch_name(Gio.BusType.SYSTEM,
'org.freedesktop.GeoClue2',
0,
Lang.bind(this, this._connectToGeoclue),
Lang.bind(this, this._onGeoclueVanished));
Main.sessionMode.connect('updated', Lang.bind(this, this._onSessionUpdated));
this._onSessionUpdated();
this._onMaxAccuracyLevelChanged();
this._connectToGeoclue();
this._connectToPermissionStore();
},
get MaxAccuracyLevel() {
return this._getMaxAccuracyLevel();
},
AuthorizeAppAsync: function(params, invocation) {
let [desktopId, reqAccuracyLevel] = params;
let authorizer = new AppAuthorizer(desktopId,
reqAccuracyLevel,
this._permStoreProxy,
this._getMaxAccuracyLevel());
authorizer.authorize(Lang.bind(this, function(accuracyLevel) {
let ret = (accuracyLevel != GeoclueAccuracyLevel.NONE);
invocation.return_value(GLib.Variant.new('(bu)',
[ret, accuracyLevel]));
}));
},
_syncIndicator: function() {
if (this._managerProxy == null) {
this._indicator.visible = false;
this._item.actor.visible = false;
return;
}
this._indicator.visible = this._managerProxy.InUse;
this._item.actor.visible = this._indicator.visible;
this._updateMenuLabels();
},
_connectToGeoclue: function() {
if (this._managerProxy != null || this._connecting)
return false;
this._connecting = true;
new GeoclueManager(Gio.DBus.system,
'org.freedesktop.GeoClue2',
'/org/freedesktop/GeoClue2/Manager',
Lang.bind(this, this._onManagerProxyReady));
return true;
},
_onManagerProxyReady: function(proxy, error) {
if (error != null) {
log(error.message);
this._connecting = false;
return;
}
this._managerProxy = proxy;
this._propertiesChangedId = this._managerProxy.connect('g-properties-changed',
Lang.bind(this, this._onGeocluePropsChanged));
this._syncIndicator();
this._managerProxy.AddAgentRemote('gnome-shell', Lang.bind(this, this._onAgentRegistered));
},
_onAgentRegistered: function(result, error) {
this._connecting = false;
this._notifyMaxAccuracyLevel();
if (error != null)
log(error.message);
},
_onGeoclueVanished: function() {
if (this._propertiesChangedId) {
this._managerProxy.disconnect(this._propertiesChangedId);
this._propertiesChangedId = 0;
}
this._managerProxy = null;
this._syncIndicator();
},
_onOnOffAction: function() {
let enabled = this._settings.get_boolean(ENABLED);
this._settings.set_boolean(ENABLED, !enabled);
},
_onSessionUpdated: function() {
let sensitive = !Main.sessionMode.isLocked && !Main.sessionMode.isGreeter;
this.menu.setSensitive(sensitive);
},
_updateMenuLabels: function() {
if (this._settings.get_boolean(ENABLED)) {
this._item.label.text = this._indicator.visible ? _("Location In Use")
: _("Location Enabled");
this._onOffAction.label.text = _("Disable");
} else {
this._item.label.text = _("Location Disabled");
this._onOffAction.label.text = _("Enable");
}
},
_onMaxAccuracyLevelChanged: function() {
this._updateMenuLabels();
// Gotta ensure geoclue is up and we are registered as agent to it
// before we emit the notify for this property change.
if (!this._connectToGeoclue())
this._notifyMaxAccuracyLevel();
},
_getMaxAccuracyLevel: function() {
if (this._settings.get_boolean(ENABLED)) {
let level = this._settings.get_string(MAX_ACCURACY_LEVEL);
return GeoclueAccuracyLevel[level.toUpperCase()] ||
GeoclueAccuracyLevel.NONE;
} else {
return GeoclueAccuracyLevel.NONE;
}
},
_notifyMaxAccuracyLevel: function() {
let variant = new GLib.Variant('u', this._getMaxAccuracyLevel());
this._agent.emit_property_changed('MaxAccuracyLevel', variant);
},
_onGeocluePropsChanged: function(proxy, properties) {
let unpacked = properties.deep_unpack();
if ("InUse" in unpacked)
this._syncIndicator();
},
_connectToPermissionStore: function() {
this._permStoreProxy = null;
new PermissionStore(Gio.DBus.session,
'org.freedesktop.impl.portal.PermissionStore',
'/org/freedesktop/impl/portal/PermissionStore',
Lang.bind(this, this._onPermStoreProxyReady));
},
_onPermStoreProxyReady: function(proxy, error) {
if (error != null) {
log(error.message);
return;
}
this._permStoreProxy = proxy;
},
});
function clamp(value, min, max) {
return Math.max(min, Math.min(max, value));
}
const AppAuthorizer = new Lang.Class({
Name: 'LocationAppAuthorizer',
_init: function(desktopId,
reqAccuracyLevel,
permStoreProxy,
maxAccuracyLevel) {
this.desktopId = desktopId;
this.reqAccuracyLevel = reqAccuracyLevel;
this._permStoreProxy = permStoreProxy;
this._maxAccuracyLevel = maxAccuracyLevel;
this._accuracyLevel = GeoclueAccuracyLevel.NONE;
},
authorize: function(onAuthDone) {
this._onAuthDone = onAuthDone;
let appSystem = Shell.AppSystem.get_default();
this._app = appSystem.lookup_app(this.desktopId + ".desktop");
if (this._app == null || this._permStoreProxy == null) {
this._completeAuth();
return;
}
this._permStoreProxy.LookupRemote(APP_PERMISSIONS_TABLE,
APP_PERMISSIONS_ID,
Lang.bind(this,
this._onPermLookupDone));
},
_onPermLookupDone: function(result, error) {
if (error != null) {
if (error.domain == Gio.DBusError) {
// Likely no xdg-app installed, just authorize the app
this._accuracyLevel = this.reqAccuracyLevel;
this._permStoreProxy = null;
this._completeAuth();
} else {
// Currently xdg-app throws an error if we lookup for
// unknown ID (which would be the case first time this code
// runs) so we continue with user authorization as normal
// and ID is added to the store if user says "yes".
log(error.message);
this._permissions = {};
this._userAuthorizeApp();
}
return;
}
[this._permissions] = result;
let permission = this._permissions[this.desktopId];
if (permission == null) {
this._userAuthorizeApp();
} else {
let [levelStr] = permission || ['NONE'];
this._accuracyLevel = GeoclueAccuracyLevel[levelStr] ||
GeoclueAccuracyLevel.NONE;
this._completeAuth();
}
},
_userAuthorizeApp: function() {
let name = this._app.get_name();
let appInfo = this._app.get_app_info();
let reason = appInfo.get_string("X-Geoclue-Reason");
this._showAppAuthDialog(name, reason);
},
_showAppAuthDialog: function(name, reason) {
this._dialog = new GeolocationDialog(name,
reason,
this.reqAccuracyLevel);
let responseId = this._dialog.connect('response', Lang.bind(this,
function(dialog, level) {
this._dialog.disconnect(responseId);
this._accuracyLevel = level;
this._completeAuth();
}));
this._dialog.open();
},
_completeAuth: function() {
if (this._accuracyLevel != GeoclueAccuracyLevel.NONE) {
this._accuracyLevel = clamp(this._accuracyLevel,
0,
this._maxAccuracyLevel);
}
this._saveToPermissionStore();
this._onAuthDone(this._accuracyLevel);
},
_saveToPermissionStore: function() {
if (this._permStoreProxy == null)
return;
let levelStr = accuracyLevelToString(this._accuracyLevel);
let dateStr = Math.round(Date.now() / 1000).toString();
this._permissions[this.desktopId] = [levelStr, dateStr];
let data = GLib.Variant.new('av', {});
this._permStoreProxy.SetRemote(APP_PERMISSIONS_TABLE,
true,
APP_PERMISSIONS_ID,
this._permissions,
data,
function (result, error) {
if (error != null)
log(error.message);
});
},
});
const GeolocationDialog = new Lang.Class({
Name: 'GeolocationDialog',
Extends: ModalDialog.ModalDialog,
_init: function(name, reason, reqAccuracyLevel) {
this.parent({ styleClass: 'geolocation-dialog' });
this.reqAccuracyLevel = reqAccuracyLevel;
let mainContentBox = new St.BoxLayout({ style_class: 'geolocation-dialog-main-layout' });
this.contentLayout.add_actor(mainContentBox);
let icon = new St.Icon({ style_class: 'geolocation-dialog-icon',
icon_name: 'find-location-symbolic',
y_align: Clutter.ActorAlign.START });
mainContentBox.add_actor(icon);
let messageBox = new St.BoxLayout({ style_class: 'geolocation-dialog-content',
vertical: true });
mainContentBox.add_actor(messageBox);
this._title = new St.Label({ style_class: 'geolocation-dialog-title headline' });
messageBox.add_actor(this._title);
this._reason = new St.Label({ style_class: 'geolocation-dialog-reason' });
messageBox.add_actor(this._reason);
this._privacyNote = new St.Label();
messageBox.add_actor(this._privacyNote);
let button = this.addButton({ label: _("Deny Access"),
action: Lang.bind(this, this._onDenyClicked),
key: Clutter.KEY_Escape });
this.addButton({ label: _("Grant Access"),
action: Lang.bind(this, this._onGrantClicked) });
this.setInitialKeyFocus(button);
/* Translators: %s is an application name */
this._title.text = _("Give %s access to your location?").format(name);
this._privacyNote.text = _("Location access can be changed at any time from the privacy settings.");
if (reason)
this._reason.text = reason;
this._reason.visible = (reason != null);
},
_onGrantClicked: function() {
this.emit('response', this.reqAccuracyLevel);
this.close();
},
_onDenyClicked: function() {
this.emit('response', GeoclueAccuracyLevel.NONE);
this.close();
}
});
Signals.addSignalMethods(GeolocationDialog.prototype);