// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*- 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 Shell = imports.gi.Shell; const LOCATION_SCHEMA = 'org.gnome.system.location'; const MAX_ACCURACY_LEVEL = 'max-accuracy-level'; const ENABLED = 'enabled'; 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>'; 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(_("Location"), 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.status.text = _("Enabled"); this._onOffAction = this._item.menu.addAction(_("Disable"), Lang.bind(this, this._onOnOffAction)); 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(); }, get MaxAccuracyLevel() { return this._getMaxAccuracyLevel(); }, // We (and geoclue) have currently no way to reliably identifying apps so // for now, lets just authorize all apps as long as they provide a valid // desktop ID. We also ensure they don't get more accuracy than global max. AuthorizeApp: function(desktop_id, reqAccuracyLevel) { var appSystem = Shell.AppSystem.get_default(); var app = appSystem.lookup_app(desktop_id + ".desktop"); if (app == null) { return [false, 0]; } let allowedAccuracyLevel = clamp(reqAccuracyLevel, 0, this._getMaxAccuracyLevel()); return [true, allowedAccuracyLevel]; }, _syncIndicator: function() { if (this._proxy == null) { this._indicator.visible = false; this._item.actor.visible = false; return; } this._indicator.visible = this._proxy.InUse; this._item.actor.visible = this._indicator.visible; this._updateMenuLabels(); }, _connectToGeoclue: function() { if (this._proxy != null || this._connecting) return false; this._connecting = true; new GeoclueManager(Gio.DBus.system, 'org.freedesktop.GeoClue2', '/org/freedesktop/GeoClue2/Manager', Lang.bind(this, this._onProxyReady)); return true; }, _onProxyReady: function(proxy, error) { if (error != null) { log(error.message); this._connecting = false; return; } this._proxy = proxy; this._propertiesChangedId = this._proxy.connect('g-properties-changed', Lang.bind(this, this._onGeocluePropsChanged)); this._syncIndicator(); this._proxy.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._proxy.disconnect(this._propertiesChangedId); this._propertiesChangedId = 0; } this._proxy = 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.status.text = this._indicator.visible ? _("In Use") : _("Enabled"); this._onOffAction.label.text = _("Disable"); } else { this._item.status.text = _("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)) return this._settings.get_enum(MAX_ACCURACY_LEVEL); else return 0; }, _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(); } }); function clamp(value, min, max) { return Math.max(min, Math.min(max, value)); }