2 files changed, 26 insertions, 0 deletions
diff --git a/libdino/src/plugin/interfaces.vala b/libdino/src/plugin/interfaces.vala
index 2378feb7..01cd525a 100644
--- a/libdino/src/plugin/interfaces.vala
+++ b/libdino/src/plugin/interfaces.vala
@@ -82,6 +82,12 @@ public abstract interface ConversationAdditionPopulator : ConversationItemPopula
     public virtual void populate_timespan(Conversation conversation, DateTime from, DateTime to) { }
 }
 
+public abstract interface NotificationPopulator : Object {
+    public abstract string id { get; }
+    public abstract void init(Conversation conversation, NotificationCollection summary, WidgetType type);
+    public abstract void close(Conversation conversation);
+}
+
 public abstract class MetaConversationItem : Object {
     public virtual string populator_id { get; set; }
     public virtual Jid? jid { get; set; default=null; }
@@ -99,9 +105,18 @@ public abstract class MetaConversationItem : Object {
     public abstract Object? get_widget(WidgetType type);
 }
 
+public abstract class MetaConversationNotification : Object {
+    public abstract Object? get_widget(WidgetType type);
+}
+
 public interface ConversationItemCollection : Object {
     public signal void insert_item(MetaConversationItem item);
     public signal void remove_item(MetaConversationItem item);
 }
 
+public interface NotificationCollection : Object {
+    public signal void add_meta_notification(MetaConversationNotification item);
+    public signal void remove_meta_notification(MetaConversationNotification item);
+}
+
 }
diff --git a/libdino/src/plugin/registry.vala b/libdino/src/plugin/registry.vala
index 2b496288..9c211a6d 100644
--- a/libdino/src/plugin/registry.vala
+++ b/libdino/src/plugin/registry.vala
@@ -8,6 +8,7 @@ public class Registry {
     internal ArrayList<ContactDetailsProvider> contact_details_entries = new ArrayList<ContactDetailsProvider>();
     internal Map<string, TextCommand> text_commands = new HashMap<string, TextCommand>();
     internal Gee.List<ConversationAdditionPopulator> conversation_addition_populators = new ArrayList<ConversationAdditionPopulator>();
+    internal Gee.List<NotificationPopulator> notification_populators = new ArrayList<NotificationPopulator>();
     internal Gee.Collection<ConversationTitlebarEntry> conversation_titlebar_entries = new Gee.TreeSet<ConversationTitlebarEntry>((a, b) => {
         if (a.order < b.order) {
             return -1;
@@ -78,6 +79,16 @@ public class Registry {
             return true;
         }
     }
+
+    public bool register_notification_populator(NotificationPopulator populator) {
+        lock (notification_populators) {
+            foreach(NotificationPopulator p in notification_populators) {
+                if (p.id == populator.id) return false;
+            }
+            notification_populators.add(populator);
+            return true;
+        }
+    }
 }
 
 }