Refactor server-side communications (#11192, #7891)

* Move UIDL writing from AbstractCommunicationManager to UidlWriter
* Move request handling from ACM to RequestHandlers
* Move server RPC message handling to ServerRpcHandler
* Move portlet event notifications to PortletListenerNotifier (a RequestHandler)
* Communication handlers reside in c.v.server.communication

Change-Id: I087e923dbdf88c6b3fcaafbdb7f685d9d3dad0c1

1 files changed, 17 insertions, 0 deletions

diff --git a/server/src/com/vaadin/ui/ConnectorTracker.java b/server/src/com/vaadin/ui/ConnectorTracker.java
index a229003224..7d741e1b28 100644
--- a/server/src/com/vaadin/ui/ConnectorTracker.java
+++ b/server/src/com/vaadin/ui/ConnectorTracker.java
@@ -17,6 +17,7 @@ package com.vaadin.ui;
 
 import java.io.IOException;
 import java.io.Serializable;
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -463,6 +464,22 @@ public class ConnectorTracker implements Serializable {
         return dirtyConnectors;
     }
 
+    /**
+     * Returns a collection of those {@link #getDirtyConnectors() dirty
+     * connectors} that are actually visible to the client.
+     * 
+     * @return A list of dirty and visible connectors.
+     */
+    public ArrayList<ClientConnector> getDirtyVisibleConnectors() {
+        ArrayList<ClientConnector> dirtyConnectors = new ArrayList<ClientConnector>();
+        for (ClientConnector c : getDirtyConnectors()) {
+            if (AbstractCommunicationManager.isConnectorVisibleToClient(c)) {
+                dirtyConnectors.add(c);
+            }
+        }
+        return dirtyConnectors;
+    }
+
     public JSONObject getDiffState(ClientConnector connector) {
         assert getConnector(connector.getConnectorId()) == connector;
         return diffStates.get(connector);