mirror of
https://github.com/elementary/gala.git
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156 lines
5.2 KiB
Vala
156 lines
5.2 KiB
Vala
//
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// Copyright (c) 2018 elementary LLC. (https://elementary.io)
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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namespace Gala {
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[DBus (name = "org.gnome.SessionManager")]
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public interface SessionManager : Object {
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public abstract async ObjectPath register_client (
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string app_id,
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string client_start_id
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) throws DBusError, IOError;
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}
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[DBus (name = "org.gnome.SessionManager.ClientPrivate")]
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public interface SessionClient : Object {
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public abstract void end_session_response (bool is_ok, string reason) throws DBusError, IOError;
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public signal void stop () ;
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public signal void query_end_session (uint flags);
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public signal void end_session (uint flags);
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public signal void cancel_end_session ();
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}
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public class Daemon {
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SessionClient? sclient = null;
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public Daemon () {
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register.begin ((o, res)=> {
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bool success = register.end (res);
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if (!success) {
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message ("Failed to register with Session manager");
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}
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});
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var granite_settings = Granite.Settings.get_default ();
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var gtk_settings = Gtk.Settings.get_default ();
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gtk_settings.gtk_application_prefer_dark_theme = granite_settings.prefers_color_scheme == Granite.Settings.ColorScheme.DARK;
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granite_settings.notify["prefers-color-scheme"].connect (() => {
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gtk_settings.gtk_application_prefer_dark_theme = granite_settings.prefers_color_scheme == Granite.Settings.ColorScheme.DARK;
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});
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var menu_daemon = new MenuDaemon ();
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menu_daemon.setup_dbus ();
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}
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public void run () {
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Gtk.main ();
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}
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public static async SessionClient? register_with_session (string app_id) {
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ObjectPath? path = null;
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string? msg = null;
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string? start_id = null;
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SessionManager? session = null;
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SessionClient? session_client = null;
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start_id = Environment.get_variable ("DESKTOP_AUTOSTART_ID");
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if (start_id != null) {
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Environment.unset_variable ("DESKTOP_AUTOSTART_ID");
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} else {
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start_id = "";
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warning (
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"DESKTOP_AUTOSTART_ID not set, session registration may be broken (not running via session?)"
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);
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}
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try {
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session = yield Bus.get_proxy (
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BusType.SESSION,
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"org.gnome.SessionManager",
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"/org/gnome/SessionManager"
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);
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} catch (Error e) {
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warning ("Unable to connect to session manager: %s", e.message);
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return null;
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}
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try {
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path = yield session.register_client (app_id, start_id);
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} catch (Error e) {
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msg = e.message;
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warning ("Error registering with session manager: %s", e.message);
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return null;
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}
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try {
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session_client = yield Bus.get_proxy (BusType.SESSION, "org.gnome.SessionManager", path);
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} catch (Error e) {
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warning ("Unable to get private sessions client proxy: %s", e.message);
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return null;
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}
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return session_client;
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}
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async bool register () {
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sclient = yield register_with_session ("org.pantheon.gala.daemon");
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sclient.query_end_session.connect (() => end_session (false));
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sclient.end_session.connect (() => end_session (false));
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sclient.stop.connect (() => end_session (true));
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return true;
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}
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void end_session (bool quit) {
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if (quit) {
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Gtk.main_quit ();
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return;
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}
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try {
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sclient.end_session_response (true, "");
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} catch (Error e) {
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warning ("Unable to respond to session manager: %s", e.message);
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}
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}
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}
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public static int main (string[] args) {
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Gtk.init (ref args);
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var ctx = new OptionContext ("Gala Daemon");
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ctx.set_help_enabled (true);
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ctx.add_group (Gtk.get_option_group (false));
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try {
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ctx.parse (ref args);
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} catch (Error e) {
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stderr.printf ("Error: %s\n", e.message);
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return 0;
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}
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var daemon = new Daemon ();
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daemon.run ();
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return 0;
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}
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}
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