Uses server responses when sending messages to generate delivery reports for those messages.

src/net/java/sip/communicator/impl/protocol/jabber/ChatRoomJabberImpl.java

@@ -822,16 +822,6 @@ public void sendMessage(Message message)
              // We send only the content because it doesn't work if we send the
              // Message object.
              multiUserChat.sendMessage(message.getContent());
-
-             ChatRoomMessageDeliveredEvent msgDeliveredEvt
-                 = new ChatRoomMessageDeliveredEvent(
-                     this,
-                     new Date(),
-                     message,
-                     ChatRoomMessageDeliveredEvent
-                         .CONVERSATION_MESSAGE_DELIVERED);
-
-             fireMessageEvent(msgDeliveredEvt);
          }
          catch (XMPPException ex)
          {
@@ -1749,10 +1739,6 @@ public void processPacket(Packet packet)
 
             String fromUserName = StringUtils.parseResource(msgFrom);
 
-            // skip our own messages
-            if(getUserNickname().equals(fromUserName))
-                return;
-
             // when the message comes from the room itself its a system message
             if(msgFrom.equals(getName()))
             {
@@ -1786,6 +1772,27 @@ public void processPacket(Packet packet)
 
             Message newMessage = createMessage(msgBody);
 
+            // if we are sending this message, this either a delivery report
+            // or if there is a delay extension this is a history coming from
+            // the chat room
+            if(getUserNickname().equals(fromUserName))
+            {
+                // message delivered
+                ChatRoomMessageDeliveredEvent msgDeliveredEvt
+                     = new ChatRoomMessageDeliveredEvent(
+                         ChatRoomJabberImpl.this,
+                         timeStamp,
+                         newMessage,
+                         ChatRoomMessageDeliveredEvent
+                            .CONVERSATION_MESSAGE_DELIVERED);
+
+                if(delay != null)
+                    msgDeliveredEvt.setHistoryMessage(true);
+
+                fireMessageEvent(msgDeliveredEvt);
+                return;
+            }
+
             if(msg.getType() == org.jivesoftware.smack.packet.Message.Type.error)
             {
                 if (logger.isInfoEnabled())

src/net/java/sip/communicator/service/protocol/event/ChatRoomMessageDeliveredEvent.java

@@ -56,6 +56,11 @@ public class ChatRoomMessageDeliveredEvent
       */
      private int eventType = -1;
 
+     /**
+      * Some services can fill our room with message history.
+      */
+     private boolean historyMessage = false;
+
      /**
       * Creates a <tt>MessageDeliveredEvent</tt> representing delivery of the
       * <tt>source</tt> message to the specified <tt>to</tt> contact.
@@ -117,4 +122,23 @@ public int getEventType()
      {
          return eventType;
      }
+
+     /**
+      * Is current event for history message.
+      * @return is current event for history message.
+      */
+     public boolean isHistoryMessage()
+     {
+         return historyMessage;
+     }
+
+     /**
+      * Changes property, whether this event is for a history message.
+      *
+      * @param historyMessage whether its event for history message.
+      */
+     public void setHistoryMessage(boolean historyMessage)
+     {
+         this.historyMessage = historyMessage;
+     }
 }