Hide visible notifications when activating dnd (#233)

* Hide visible notifications when activating dnd

* Fix linting issues

---------

Co-authored-by: Erik Reider <erik.reider@protonmail.com>

src/notiDaemon/notiDaemon.vala

@@ -17,6 +17,13 @@ namespace SwayNotificationCenter {
 
             this.notify["dnd"].connect (() => on_dnd_toggle (dnd));
 
+            on_dnd_toggle.connect ((dnd) => {
+                if (!dnd || NotificationWindow.is_null) return;
+                NotificationWindow.instance.close_all_notifications ((noti) => {
+                    return noti.param.urgency != UrgencyLevels.CRITICAL;
+                });
+            });
+
             // Init dnd from gsettings
             self_settings.bind ("dnd-state", this, "dnd", SettingsBindFlags.DEFAULT);
 
@@ -34,14 +41,12 @@ namespace SwayNotificationCenter {
 
         /** Toggles the current Do Not Disturb state */
         public bool toggle_dnd () throws DBusError, IOError {
-            on_dnd_toggle (dnd = !dnd);
-            return dnd;
+            return dnd = !dnd;
         }
 
         /** Sets the current Do Not Disturb state */
         [DBus (name = "SetDnd")]
         public void set_do_not_disturb (bool state) throws DBusError, IOError {
-            on_dnd_toggle (state);
             dnd = state;
         }
 
@@ -63,9 +68,9 @@ namespace SwayNotificationCenter {
                 NotificationClosed (id, ClosedReasons.DISMISSED);
 
                 swaync_daemon.subscribe_v2 (control_center.notification_count (),
-                                         dnd,
-                                         control_center.get_visibility (),
-                                         swaync_daemon.inhibited);
+                                            dnd,
+                                            control_center.get_visibility (),
+                                            swaync_daemon.inhibited);
             }
         }
 

src/notification/notification.vala

@@ -1,6 +1,6 @@
 namespace SwayNotificationCenter {
     [GtkTemplate (ui = "/org/erikreider/sway-notification-center/notification/notification.ui")]
-    private class Notification : Gtk.ListBoxRow {
+    public class Notification : Gtk.ListBoxRow {
         [GtkChild]
         unowned Gtk.Revealer revealer;
         [GtkChild]

src/notificationWindow/notificationWindow.vala

@@ -23,6 +23,12 @@ namespace SwayNotificationCenter {
             }
         }
 
+        public static bool is_null {
+            get {
+                return window == null;
+            }
+        }
+
         [GtkChild]
         unowned Gtk.ScrolledWindow scrolled_window;
         [GtkChild]
@@ -122,10 +128,16 @@ namespace SwayNotificationCenter {
             }
         }
 
-        public void close_all_notifications () {
+        /** Return true to remove notification, false to skip */
+        public delegate bool remove_iter_func (Notification notification);
+
+        public void close_all_notifications (remove_iter_func ? func = null) {
             if (!this.get_realized ()) return;
             foreach (var w in box.get_children ()) {
-                remove_notification ((Notification) w, false);
+                Notification notification = (Notification) w;
+                if (func == null || func (notification)) {
+                    remove_notification (notification, false);
+                }
             }
         }