From 6e6190e42e5bd4b65b29ee4672f0a37a035e50c8 Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Sat, 18 Nov 2023 22:00:57 +0100
Subject: src/arctica-greeter.vala: Support (configurably) loading the
 GeoClue-2.0 agent.

---
 .../org.ArcticaProject.arctica-greeter.gschema.xml |  4 ++
 src/arctica-greeter.vala                           | 45 ++++++++++++++++++++++
 src/settings.vala                                  |  1 +
 3 files changed, 50 insertions(+)

diff --git a/data/org.ArcticaProject.arctica-greeter.gschema.xml b/data/org.ArcticaProject.arctica-greeter.gschema.xml
index 23353b2..02a4978 100644
--- a/data/org.ArcticaProject.arctica-greeter.gschema.xml
+++ b/data/org.ArcticaProject.arctica-greeter.gschema.xml
@@ -247,5 +247,9 @@
       <default>[]</default>
       <summary>Unordered list of excluded desktop sessions (if non-empty, listed sessions types will not be offered by the greeter). Only used if includeonly-sessions is empty.</summary>
     </key>
+    <key name="geoclue-agent" type="b">
+      <default>true</default>
+      <summary>Whether to enable the GeoClue-2.0 agent (enhances ayatana-indicator-display).</summary>
+    </key>
   </schema>
 </schemalist>
diff --git a/src/arctica-greeter.vala b/src/arctica-greeter.vala
index 1f1f6d3..7f1ddb2 100644
--- a/src/arctica-greeter.vala
+++ b/src/arctica-greeter.vala
@@ -1086,6 +1086,35 @@ public class ArcticaGreeter : Object
             }
         }
 
+        Pid geoclueagent_pid = 0;
+        if (AGSettings.get_boolean (AGSettings.KEY_GEOCLUE_AGENT) && (!do_test_mode))
+        {
+
+            try
+            {
+                string[] argv = null;
+
+                if (FileUtils.test ("/usr/lib/geoclue-2.0/demos/agent", FileTest.EXISTS)) {
+                    Shell.parse_argv ("/usr/lib/geoclue-2.0/demos/agent", out argv);
+                }
+                else if  (FileUtils.test ("/usr/libexec/geoclue-2.0/demos/agent", FileTest.EXISTS)) {
+                    Shell.parse_argv ("/usr/libexec/geoclue-2.0/demos/agent", out argv);
+                }
+                if (argv != null)
+                    Process.spawn_async (null,
+                                         argv,
+                                         null,
+                                         SpawnFlags.SEARCH_PATH,
+                                         null,
+                                         out geoclueagent_pid);
+                debug ("Launched GeoClue-2.0 agent. PID: %d", geoclueagent_pid);
+            }
+            catch (Error e)
+            {
+                warning ("Error starting the GeoClue-2.0 agent: %s", e.message);
+            }
+        }
+
         /* Enable touchpad tap-to-click */
         enable_tap_to_click ();
 
@@ -1337,6 +1366,22 @@ public class ArcticaGreeter : Object
                     debug ("AT-SPI terminated with signal %d", Process.term_sig (status));
                 atspi_pid = 0;
             }
+
+            if (geoclueagent_pid != 0)
+            {
+#if VALA_0_40
+                Posix.kill (geoclueagent_pid, Posix.Signal.KILL);
+#else
+                Posix.kill (geoclueagent_pid, Posix.SIGKILL);
+#endif
+                int status;
+                Posix.waitpid (geoclueagent_pid, out status, 0);
+                if (Process.if_exited (status))
+                    debug ("GeoClue-2.0 agent exited with return value %d", Process.exit_status (status));
+                else
+                    debug ("GeoClue-2.0 agent terminated with signal %d", Process.term_sig (status));
+                geoclueagent_pid = 0;
+            }
         }
 
         var screen = Gdk.Screen.get_default ();
diff --git a/src/settings.vala b/src/settings.vala
index e4386a6..74e6e40 100644
--- a/src/settings.vala
+++ b/src/settings.vala
@@ -82,6 +82,7 @@ public class AGSettings : Object
     public const string KEY_EXCLUDED_SESSIONS = "excluded-sessions";
     public const string KEY_SHUTDOWN_DIALOG_TIMEOUT = "shutdown-dialog-timeout";
     public const string KEY_PREFERRED_SESSIONS = "preferred-sessions";
+    public const string KEY_GEOCLUE_AGENT = "geoclue-agent";
 
     public static bool get_boolean (string key)
     {
-- 
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