[gnome-shell/wip/fmuellner/notification-redux: 70/93] messageTray: Limit number of notifications per source

[Florian Müllner <fmuellner src gnome org>]

commit e09d7fe04a24270693f7198cc0ba6ea6b5575ea6
Author: Florian Müllner <fmuellner gnome org>
Date:   Sat Feb 14 00:06:11 2015 +0100

    messageTray: Limit number of notifications per source
    
    test-xy-stress in libnotify's tests suddenly became fun again ...

 js/ui/messageTray.js |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index c6ab49a..185c334 100644
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -28,6 +28,8 @@ const NOTIFICATION_TIMEOUT = 4;
 const HIDE_TIMEOUT = 0.2;
 const LONGER_HIDE_TIMEOUT = 0.6;
 
+const MAX_NOTIFICATIONS_PER_SOURCE = 3;
+
 // We delay hiding of the tray if the mouse is within MOUSE_LEFT_ACTOR_THRESHOLD
 // range from the point where it left the tray.
 const MOUSE_LEFT_ACTOR_THRESHOLD = 20;
@@ -1131,6 +1133,9 @@ const Source = new Lang.Class({
         if (this.notifications.indexOf(notification) >= 0)
             return;
 
+        while (this.notifications.length >= MAX_NOTIFICATIONS_PER_SOURCE)
+            this.notifications.shift().destroy(NotificationDestroyedReason.EXPIRED);
+
         notification.connect('destroy', Lang.bind(this, this._onNotificationDestroy));
         this.notifications.push(notification);
         this.emit('notification-added', notification);