Implemented cmd args into client with a help menu

src/client.vala

@@ -1,16 +1,79 @@
 [DBus (name = "org.erikreider.swaync.cc")]
 interface CcDaemon : GLib.Object {
+
+    public abstract uint notification_count () throws DBusError, IOError;
+
     public abstract void toggle () throws DBusError, IOError;
+
+    public signal void on_notificaion (uint count);
 }
 
-public void main (string[] args) {
+
+public class Client : Application {
+    private CcDaemon cc_daemon = null;
+
+    public Client () {
+        Object (application_id: "org.erikreider.swaync.client",
+                flags : ApplicationFlags.HANDLES_COMMAND_LINE);
+        set_inactivity_timeout (10000);
         try {
-        CcDaemon controlCenter = Bus.get_proxy_sync (BusType.SESSION, "org.erikreider.swaync.cc",
+            cc_daemon = Bus.get_proxy_sync (
+                BusType.SESSION,
+                "org.erikreider.swaync.cc",
                 "/org/erikreider/swaync/cc");
-        controlCenter.toggle ();
-    } catch (IOError e) {
-        stderr.printf ("Could not connect to CC service\n");
-    } catch (DBusError e) {
+        } catch (Error e) {
             stderr.printf ("Could not connect to CC service\n");
         }
     }
+
+    private void print_help (string[] args) {
+        print(@"Usage:\n");
+        print(@"\t $(args[0]) <OPTION>\n");
+        print(@"Help:\n");
+        print(@"\t -h, --help \t\t Show help options\n");
+        print(@"Options:\n");
+        print(@"\t -t, --toggle \t\t Toggle the notificaion panel\n");
+        print(@"\t -c, --count \t\t Print the current notificaion count\n");
+        print(@"\t -s, --subscribe \t Subscribe to notificaion add and close events\n");
+    }
+
+    public override int command_line (ApplicationCommandLine cmd_line) {
+        try {
+            string[] args = cmd_line.get_arguments ();
+            if (args.length < 2) {
+                print_help (args);
+                return 1;
+            }
+            switch (args[1]) {
+                case "--help":
+                case "-h":
+                    print_help (args);
+                    break;
+                case "--count":
+                case "-c":
+                    print (cc_daemon.notification_count ().to_string ());
+                    break;
+                case "--toggle":
+                case "-t":
+                    cc_daemon.toggle ();
+                    break;
+                case "--subscribe":
+                case "-s":
+                    cc_daemon.on_notificaion.connect ((c) => print (c.to_string ()));
+                    var loop = new MainLoop ();
+                    loop.run ();
+                    break;
+            }
+        } catch (Error e) {
+            stderr.printf (e.message + "\n");
+            return 1;
+        }
+        return 0;
+    }
+
+    public static int main (string[] args) {
+        Client client = new Client ();
+        int status = client.run (args);
+        return status;
+    }
+}

src/controlCenter/controlCenter.vala

@@ -9,6 +9,8 @@ namespace SwayNotificatonCenter {
             cc = new ControlCenterWidget ();
         }
 
+        public signal void on_notificaion (uint count);
+
         public bool get_visibility () throws DBusError, IOError {
             return cc.visible;
         }
@@ -17,6 +19,10 @@ namespace SwayNotificatonCenter {
             cc.close_all_notifications ();
         }
 
+        public uint notification_count () throws DBusError, IOError {
+            return cc.notification_count ();
+        }
+
         public void toggle () throws DBusError, IOError {
             if (cc.toggle_visibility ()) {
                 dbusInit.notiDaemon.set_noti_window_visibility (false);
@@ -25,10 +31,12 @@ namespace SwayNotificatonCenter {
 
         public void add_notification (NotifyParams param) throws DBusError, IOError {
             cc.add_notification (param, dbusInit.notiDaemon);
+            on_notificaion (notification_count ());
         }
 
         public void close_notification (uint32 id) throws DBusError, IOError {
             cc.close_notification (id);
+            on_notificaion (notification_count ());
         }
     }
 
@@ -46,6 +54,10 @@ namespace SwayNotificatonCenter {
             GtkLayerShell.set_anchor (this, GtkLayerShell.Edge.RIGHT, true);
         }
 
+        public uint notification_count () {
+            return box.get_children ().length ();
+        }
+
         public void close_all_notifications () {
             foreach (var w in box.get_children ()) {
                 box.remove (w);