init 0.1.0

1 files changed, 68 insertions, 0 deletions

diff --git a/src/watcher.vala b/src/watcher.vala
new file mode 100644
index 0000000..a7ba3d5
--- /dev/null
+++ b/src/watcher.vala
@@ -0,0 +1,68 @@
+namespace AstalTray {
+
+[DBus (name="org.kde.StatusNotifierWatcher")]
+internal class StatusNotifierWatcher : Object {
+
+    private HashTable<string, string> _items;
+
+    public string[] RegisteredStatusNotifierItems { owned get { return _items.get_values_as_ptr_array().data; } }
+    public bool IsStatusNotifierHostRegistered { get; default = true; }
+    public int ProtocolVersion { get; default = 0; }
+
+    public signal void StatusNotifierItemRegistered(string service);
+    public signal void StatusNotifierItemUnregistered(string service);
+    public signal void StatusNotifierHostRegistered();
+    public signal void StatusNotifierHostUnregistered();
+    
+    construct {
+      _items = new HashTable<string, string>(GLib.str_hash, GLib.str_equal);
+    }
+
+    public void RegisterStatusNotifierItem(string service, BusName sender) throws DBusError, IOError {
+      string busName;
+      string path;
+      if(service[0] == '/') {
+        path = service;
+        busName = sender;
+      }
+      else {
+        busName = service;
+        path = "/StatusNotifierItem";
+      }
+
+      Bus.get_sync(BusType.SESSION).signal_subscribe(
+            null,
+            "org.freedesktop.DBus",
+            "NameOwnerChanged",
+            null,
+            null,
+            DBusSignalFlags.NONE,
+            (connection, sender_name, path, interface_name, signal_name, parameters) => {
+                string name = null;
+                string new_owner = null;
+                string old_owner = null;
+                parameters.get("(sss)", &name, &old_owner, &new_owner);
+                if(new_owner == "" && _items.contains(old_owner)){
+                  string full_path = _items.take(old_owner);
+                  StatusNotifierItemUnregistered(full_path);
+                }
+            }
+        );
+
+      _items.set(busName, busName+path);
+
+      StatusNotifierItemRegistered(busName+path);
+    }
+
+    public void RegisterStatusNotifierHost(string service) throws DBusError, IOError {
+      /*
+        NOTE:
+        usually the watcher should keep track of registered host
+        but some tray applications do net register their trayitem properly
+        when hosts register/deregister. This is fixed by setting isHostRegistered
+        always to true, this also make host handling logic unneccessary.
+      */
+    }
+ 
+}
+}