Make notifications applet multi-instance

Author: fredcw

files/usr/share/cinnamon/applets/notifications@cinnamon.org/applet.js

@@ -65,6 +65,12 @@ class CinnamonNotificationsApplet extends Applet.TextIconApplet {
 
     _openMenu() {
         this._update_timestamp();
+
+        this.notifications.forEach(notification => {
+            if (notification.actor.get_parent() !== this._notificationbin) 
+                global.reparentActor(notification.actor, this._notificationbin);
+        });
+
         this.menu.toggle();
     }
 
@@ -138,8 +144,6 @@ class CinnamonNotificationsApplet extends Applet.TextIconApplet {
             if (notification._destroyed) {
                 this.notifications.splice(existing_index, 1);
             } else {
-                notification._inNotificationBin = true;
-                global.reparentActor(notification.actor, this._notificationbin);
                 notification._timeLabel.show();
             }
             this.update_list();
@@ -148,11 +152,8 @@ class CinnamonNotificationsApplet extends Applet.TextIconApplet {
             return;
         }
         // Add notification to list.
-        notification._inNotificationBin = true;
         this.notifications.push(notification);
-        // Steal the notification panel.
-        this._notificationbin.add(notification.actor);
-        notification.actor._parent_container = this._notificationbin;
+
         notification.actor.add_style_class_name('notification-applet-padding');
         // Register for destruction.
         notification.connect('scrolling-changed', (notif, scrolling) => { this.menu.passEvents = scrolling });

files/usr/share/cinnamon/applets/notifications@cinnamon.org/metadata.json

@@ -2,5 +2,6 @@
 "uuid": "notifications@cinnamon.org",
 "name": "Notifications",
 "description": "Click to display and manage system notifications",
-"icon": "cs-notifications"
+"icon": "cs-notifications",
+"max-instances": -1
 }

js/ui/messageTray.js

@@ -262,12 +262,10 @@ var Notification = class Notification {
         this._actionArea = null;
         this._imageBin = null;
         this._timestamp = new Date();
-        this._inNotificationBin = false;
 
         source.connect('destroy', (source, reason) => { this.destroy(reason) });
 
         this.actor = new St.Button({ accessible_role: Atk.Role.NOTIFICATION });
-        this.actor._parent_container = null;
         this.actor.connect('clicked', () => this._onClicked());
         this.actor.connect('destroy', () => this._onDestroy());
 
@@ -348,7 +346,6 @@ var Notification = class Notification {
      */
     update(title, body, params) {
         this._timestamp = new Date();
-        this._inNotificationBin = false;
         params = Params.parse(params, {
             icon: null,
             titleMarkup: false,
@@ -929,8 +926,8 @@ MessageTray.prototype = {
 
     _showNotification: function () {
         this._notification = this._notificationQueue.shift();
-        if (this._notification.actor._parent_container) {
-            this._notification.actor._parent_container.remove_actor(this._notification.actor);
+        if (this._notification.actor.get_parent()) {
+            this._notification.actor.get_parent().remove_actor(this._notification.actor);
         }
 
         this._notificationBin.child = this._notification.actor;