Play login sound

data/gala.gschema.xml

@@ -324,6 +324,14 @@
     </key>
   </schema>
 
+  <schema path="/org/pantheon/desktop/gala/sounds/" id="org.pantheon.desktop.gala.sounds">
+    <key type="b" name="play-login-sound">
+      <default>true</default>
+      <summary>Play login sound</summary>
+      <description>Whether a sound should be played on login.</description>
+    </key>
+  </schema>
+
   <schema path="/org/pantheon/desktop/gala/mask-corners/" id="org.pantheon.desktop.gala.mask-corners">
     <key type="b" name="enable">
       <default>true</default>

src/SessionStateManager.vala

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2022 elementary, Inc. (https://elementary.io)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ *
+ * Authored by: Marius Meisenzahl <[email protected]>
+ */
+
+public class Gala.SessionStateManager : Object {
+    [DBus (name = "org.gnome.SessionManager")]
+    private interface SessionManagerInterface : Object {
+        public abstract signal void session_running ();
+    }
+
+    private SessionManagerInterface session_manager;
+
+    public signal void session_running ();
+
+    async construct {
+        init.begin ();
+    }
+
+    private async void init () {
+        try {
+            session_manager = yield Bus.get_proxy (BusType.SESSION, "org.gnome.SessionManager", "/org/gnome/SessionManager");
+
+            session_manager.session_running.connect (() => {
+                session_running ();
+            });
+        } catch (Error e) {
+            warning ("Could not connect to system bus: %s", e.message);
+        }
+    }
+}

src/WorkspaceManager.vala

@@ -31,6 +31,8 @@ namespace Gala {
 
         public WindowManager wm { get; construct; }
 
+        private SessionStateManager session_state;
+
         Gee.LinkedList<Workspace> workspaces_marked_removed;
         int remove_freeze_count = 0;
 
@@ -46,6 +48,15 @@ namespace Gala {
             // There are some empty workspace at startup
             cleanup ();
 
+            session_state = new SessionStateManager ();
+            session_state.session_running.connect (() => {
+                var sounds_settings = new GLib.Settings ("org.pantheon.desktop.gala.sounds");
+                if (sounds_settings.get_boolean ("play-login-sound")) {
+                    unowned Meta.SoundPlayer sound_player = display.get_sound_player ();
+                    sound_player.play_from_theme ("login", "", null);
+                }
+            });
+
             if (Prefs.get_dynamic_workspaces ())
                 manager.override_workspace_layout (DisplayCorner.TOPLEFT, false, 1, -1);
 

src/meson.build

@@ -13,6 +13,7 @@ gala_bin_sources = files(
     'ScreenSaverManager.vala',
     'ScreenshotManager.vala',
     'SessionManager.vala',
+    'SessionStateManager.vala',
     'ShadowEffect.vala',
     'WindowListener.vala',
     'WindowManager.vala',