gnome-shell/js/misc/introspect.js

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const Gio = imports.gi.Gio;
const GLib = imports.gi.GLib;
const Lang = imports.lang;
const Meta = imports.gi.Meta;
const Shell = imports.gi.Shell;
const INTROSPECT_SCHEMA = 'org.gnome.shell';
const INTROSPECT_KEY = 'introspect';
const APP_WHITELIST = ['org.freedesktop.impl.portal.desktop.gtk'];
const { loadInterfaceXML } = imports.misc.fileUtils;
const IntrospectDBusIface = loadInterfaceXML('org.gnome.Shell.Introspect');
var IntrospectService = new Lang.Class({
Name: 'IntrospectService',
_init() {
this._dbusImpl = Gio.DBusExportedObject.wrapJSObject(IntrospectDBusIface,
this);
this._dbusImpl.export(Gio.DBus.session, '/org/gnome/Shell/Introspect');
Gio.DBus.session.own_name('org.gnome.Shell.Introspect',
Gio.BusNameOwnerFlags.REPLACE,
null, null);
this._runningApplications = {};
this._runningApplicationsDirty = true;
this._activeApplication = null;
this._activeApplicationDirty = true;
this._appSystem = Shell.AppSystem.get_default();
this._appSystem.connect('app-state-changed',
() => {
this._runningApplicationsDirty = true;
this._syncRunningApplications();
});
this._settings = new Gio.Settings({ schema_id: INTROSPECT_SCHEMA });
let tracker = Shell.WindowTracker.get_default();
tracker.connect('notify::focus-app',
() => {
this._activeApplicationDirty = true;
this._syncRunningApplications();
});
this._syncRunningApplications();
},
_isStandaloneApp(app) {
let windows = app.get_windows();
return app.get_windows().some(w => w.transient_for == null);
},
_isIntrospectEnabled() {
return this._settings.get_boolean(INTROSPECT_KEY);
},
_isSenderWhitelisted(sender) {
return APP_WHITELIST.includes(sender);
},
_syncRunningApplications() {
let tracker = Shell.WindowTracker.get_default();
let apps = this._appSystem.get_running();
let seatName = "seat0";
let newRunningApplications = {};
let newActiveApplication = null;
let focusedApp = tracker.focus_app;
for (let app of apps) {
let appInfo = {};
let isAppActive = (focusedApp == app);
if (!this._isStandaloneApp(app))
continue;
if (isAppActive) {
appInfo['active-on-seats'] = new GLib.Variant('as', [seatName]);
newActiveApplication = app.get_id();
}
newRunningApplications[app.get_id()] = appInfo;
}
if (this._runningApplicationsDirty ||
(this._activeApplicationDirty &&
this._activeApplication != newActiveApplication)) {
this._runningApplications = newRunningApplications;
this._activeApplication = newActiveApplication;
this._dbusImpl.emit_signal('RunningApplicationsChanged', null);
}
this._runningApplicationsDirty = false;
this._activeApplicationDirty = false;
},
_isEligibleWindow(window) {
if (window.is_override_redirect())
return false;
let type = window.get_window_type();
return (type == Meta.WindowType.NORMAL ||
type == Meta.WindowType.DIALOG ||
type == Meta.WindowType.MODAL_DIALOG ||
type == Meta.WindowType.UTILITY);
},
GetRunningApplicationsAsync(params, invocation) {
if (!this._isIntrospectEnabled() &&
!this._isSenderWhitelisted(invocation.get_sender())) {
invocation.return_error_literal(Gio.DBusError,
Gio.DBusError.ACCESS_DENIED,
'App introspection not allowed');
return;
}
invocation.return_value(new GLib.Variant('(a{sa{sv}})', [this._runningApplications]));
},
GetWindowsAsync(params, invocation) {
let focusWindow = global.display.get_focus_window();
let apps = this._appSystem.get_running();
let windowsList = {};
if (!this._isIntrospectEnabled()) {
invocation.return_error_literal(Gio.DBusError,
Gio.DBusError.ACCESS_DENIED,
'App introspection not allowed');
return;
}
for (let app of apps) {
let windows = app.get_windows();
for (let window of windows) {
if (!this._isEligibleWindow(window))
continue;
let windowId = window.get_id();
let frameRect = window.get_frame_rect();
let title = window.get_title();
let wmClass = window.get_wm_class();
windowsList[windowId] = {
'app-id': GLib.Variant.new('s', app.get_id()),
'client-type': GLib.Variant.new('u', window.get_client_type()),
'is-hidden': GLib.Variant.new('b', window.is_hidden()),
'has-focus': GLib.Variant.new('b', (window == focusWindow)),
'width': GLib.Variant.new('u', frameRect.width),
'height': GLib.Variant.new('u', frameRect.height)
};
// These properties may not be available for all windows:
if (title != null)
windowsList[windowId]['title'] = GLib.Variant.new('s', title);
if (wmClass != null)
windowsList[windowId]['wm-class'] = GLib.Variant.new('s', wmClass);
}
}
invocation.return_value(new GLib.Variant('(a{ta{sv}})', [windowsList]));
}
});