optimized event map handling

svn changeset:10050/svn branch:event-framework-3234

1 files changed, 32 insertions, 6 deletions

diff --git a/src/com/vaadin/terminal/gwt/client/ComponentDetail.java b/src/com/vaadin/terminal/gwt/client/ComponentDetail.java
index 2d7f28dd4b..0384a69da3 100644
--- a/src/com/vaadin/terminal/gwt/client/ComponentDetail.java
+++ b/src/com/vaadin/terminal/gwt/client/ComponentDetail.java
@@ -2,12 +2,12 @@ package com.vaadin.terminal.gwt.client;
 
 import java.util.HashMap;
 
+import com.google.gwt.core.client.JsArrayString;
 import com.vaadin.terminal.gwt.client.RenderInformation.FloatSize;
 import com.vaadin.terminal.gwt.client.RenderInformation.Size;
 
 class ComponentDetail {
 
-    private EventListenerRegister eventListenerRegister = new EventListenerRegister();
     private Paintable component;
     private TooltipInfo tooltipInfo = new TooltipInfo();
     private String pid;
@@ -104,12 +104,38 @@ class ComponentDetail {
         }
     }
 
-    void registerEventListenersFromUIDL(UIDL uidl) {
-        eventListenerRegister.registerEventListenersFromUIDL(uidl);
-    }
+    private JsArrayString eventListeners;
+
+    /**
+     * Stores the event listeners registered on server-side and passed along in
+     * the UIDL.
+     * 
+     * @param componentUIDL
+     *            The UIDL for the component
+     * @since 6.2
+     */
+    native void registerEventListenersFromUIDL(UIDL uidl)
+    /*-{
+        this.@com.vaadin.terminal.gwt.client.ComponentDetail::eventListeners = uidl[1].eventListeners;
+    }-*/;
 
+    /**
+     * Checks if there is a registered server side listener for the event.
+     * 
+     * @param eventIdentifier
+     *            The identifier for the event
+     * @return true if at least one listener has been registered on server side
+     *         for the event identified by eventIdentifier.
+     */
     public boolean hasEventListeners(String eventIdentifier) {
-        return eventListenerRegister.hasEventListeners(eventIdentifier);
+        if (eventListeners != null) {
+            int l = eventListeners.length();
+            for (int i = 0; i < l; i++) {
+                if (eventListeners.get(i).equals(eventIdentifier)) {
+                    return true;
+                }
+            }
+        }
+        return false;
     }
-
 }