Merge branch 'master' into root-cleanup

Rename Root -> UI in root cleanup code

Conflicts:
	client/src/com/vaadin/terminal/gwt/client/ApplicationConnection.java
	server/src/com/vaadin/terminal/gwt/server/BootstrapHandler.java
	server/src/com/vaadin/ui/UI.java

53 files changed, 1899 insertions, 909 deletions

diff --git a/client/src/com/vaadin/Vaadin.gwt.xml b/client/src/com/vaadin/Vaadin.gwt.xml
index 07d7c941e6..44357b24a0 100644
--- a/client/src/com/vaadin/Vaadin.gwt.xml
+++ b/client/src/com/vaadin/Vaadin.gwt.xml
@@ -23,60 +23,18 @@
 		<when-type-is class="com.google.gwt.core.client.impl.SchedulerImpl" />
 	</replace-with>
 
-	<!-- Generators for serializators for classes used in communication between 
-		server and client -->
-	<generate-with
-		class="com.vaadin.terminal.gwt.widgetsetutils.SerializerMapGenerator">
-		<when-type-is
-			class="com.vaadin.terminal.gwt.client.communication.SerializerMap" />
-	</generate-with>
-
 	<replace-with class="com.vaadin.terminal.gwt.client.VDebugConsole">
 		<when-type-is class="com.vaadin.terminal.gwt.client.Console" />
 	</replace-with>
 
 	<generate-with
-		class="com.vaadin.terminal.gwt.widgetsetutils.EagerWidgetMapGenerator">
-		<when-type-is class="com.vaadin.terminal.gwt.client.WidgetMap" />
-	</generate-with>
-
-	<generate-with
 		class="com.vaadin.terminal.gwt.widgetsetutils.AcceptCriteriaFactoryGenerator">
 		<when-type-is
 			class="com.vaadin.terminal.gwt.client.ui.dd.VAcceptCriterionFactory" />
 	</generate-with>
 
-	<!-- Generate client side proxies for client to server RPC interfaces -->
-	<generate-with
-		class="com.vaadin.terminal.gwt.widgetsetutils.RpcProxyGenerator">
-		<when-type-assignable
-			class="com.vaadin.shared.communication.ServerRpc" />
-	</generate-with>
-
-	<!-- Generate client side proxies for client to server RPC interfaces -->
-	<generate-with
-		class="com.vaadin.terminal.gwt.widgetsetutils.RpcProxyCreatorGenerator">
-		<when-type-assignable
-			class="com.vaadin.terminal.gwt.client.communication.RpcProxy.RpcProxyCreator" />
-	</generate-with>
-
-	<!-- Generate client side RPC manager for server to client RPC -->
-	<generate-with
-		class="com.vaadin.terminal.gwt.widgetsetutils.GeneratedRpcMethodProviderGenerator">
-		<when-type-assignable
-			class="com.vaadin.terminal.gwt.client.communication.GeneratedRpcMethodProvider" />
-	</generate-with>
-
-	<generate-with
-		class="com.vaadin.terminal.gwt.widgetsetutils.ConnectorWidgetFactoryGenerator">
-		<when-type-assignable
-			class="com.vaadin.terminal.gwt.client.ui.ConnectorWidgetFactory" />
-	</generate-with>
-
-	<generate-with
-		class="com.vaadin.terminal.gwt.widgetsetutils.ConnectorStateFactoryGenerator">
-		<when-type-assignable
-			class="com.vaadin.terminal.gwt.client.ui.ConnectorStateFactory" />
+	<generate-with class="com.vaadin.terminal.gwt.widgetsetutils.ConnectorBundleLoaderFactory">
+		<when-type-assignable class="com.vaadin.terminal.gwt.client.metadata.ConnectorBundleLoader" />
 	</generate-with>
 
 	<!-- Use the new cross site linker to get a nocache.js without document.write -->
diff --git a/client/src/com/vaadin/terminal/gwt/client/ApplicationConfiguration.java b/client/src/com/vaadin/terminal/gwt/client/ApplicationConfiguration.java
index 2771871653..2eccd9bb8c 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ApplicationConfiguration.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ApplicationConfiguration.java
@@ -29,9 +29,13 @@ import com.google.gwt.core.client.JsArrayString;
 import com.google.gwt.core.client.Scheduler;
 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
 import com.google.gwt.user.client.Command;
-import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.Window;
 import com.vaadin.shared.ApplicationConstants;
+import com.vaadin.shared.ui.ui.UIConstants;
+import com.vaadin.terminal.gwt.client.metadata.BundleLoadCallback;
+import com.vaadin.terminal.gwt.client.metadata.ConnectorBundleLoader;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.TypeData;
 import com.vaadin.terminal.gwt.client.ui.UnknownComponentConnector;
 
 public class ApplicationConfiguration implements EntryPoint {
@@ -199,7 +203,7 @@ public class ApplicationConfiguration implements EntryPoint {
     private String id;
     private String themeUri;
     private String appUri;
-    private int rootId;
+    private int uiId;
     private boolean standalone;
     private ErrorMessage communicationError;
     private ErrorMessage authorizationError;
@@ -208,7 +212,7 @@ public class ApplicationConfiguration implements EntryPoint {
 
     private HashMap<Integer, String> unknownComponents;
 
-    private Class<? extends ServerConnector>[] classes = new Class[1024];
+    private Map<Integer, Class<? extends ServerConnector>> classes = new HashMap<Integer, Class<? extends ServerConnector>>();
 
     private boolean browserDetailsSent = false;
     private boolean widgetsetVersionSent = false;
@@ -282,12 +286,12 @@ public class ApplicationConfiguration implements EntryPoint {
     /**
      * Gets the root if of this application instance. The root id should be
      * included in every request originating from this instance in order to
-     * associate it with the right Root instance on the server.
+     * associate it with the right UI instance on the server.
      * 
      * @return the root id
      */
-    public int getRootId() {
-        return rootId;
+    public int getUIId() {
+        return uiId;
     }
 
     /**
@@ -320,7 +324,8 @@ public class ApplicationConfiguration implements EntryPoint {
             appUri += '/';
         }
         themeUri = jsoConfiguration.getConfigString("themeUri");
-        rootId = jsoConfiguration.getConfigInteger("rootId").intValue();
+        uiId = jsoConfiguration.getConfigInteger(UIConstants.UI_ID_PARAMETER)
+                .intValue();
 
         // null -> true
         useDebugIdInDom = jsoConfiguration.getConfigBoolean("useDebugIdInDom") != Boolean.FALSE;
@@ -402,12 +407,32 @@ public class ApplicationConfiguration implements EntryPoint {
 
     public Class<? extends ServerConnector> getConnectorClassByEncodedTag(
             int tag) {
-        try {
-            return classes[tag];
-        } catch (Exception e) {
-            // component was not present in mappings
-            return UnknownComponentConnector.class;
+        Class<? extends ServerConnector> type = classes.get(tag);
+        if (type == null && !classes.containsKey(tag)) {
+            // Initialize if not already loaded
+            Integer currentTag = Integer.valueOf(tag);
+            while (type == null && currentTag != null) {
+                String serverSideClassNameForTag = getServerSideClassNameForTag(currentTag);
+                if (TypeData.hasIdentifier(serverSideClassNameForTag)) {
+                    try {
+                        type = (Class<? extends ServerConnector>) TypeData
+                                .getClass(serverSideClassNameForTag);
+                    } catch (NoDataException e) {
+                        throw new RuntimeException(e);
+                    }
+                }
+                currentTag = getParentTag(currentTag.intValue());
+            }
+            if (type == null) {
+                type = UnknownComponentConnector.class;
+                if (unknownComponents == null) {
+                    unknownComponents = new HashMap<Integer, String>();
+                }
+                unknownComponents.put(tag, getServerSideClassNameForTag(tag));
+            }
+            classes.put(tag, type);
         }
+        return type;
     }
 
     public void addComponentInheritanceInfo(ValueMap valueMap) {
@@ -430,13 +455,7 @@ public class ApplicationConfiguration implements EntryPoint {
         for (int i = 0; i < keyArray.length(); i++) {
             String key = keyArray.get(i).intern();
             int value = valueMap.getInt(key);
-            classes[value] = widgetSet.getConnectorClassByTag(value, this);
-            if (classes[value] == UnknownComponentConnector.class) {
-                if (unknownComponents == null) {
-                    unknownComponents = new HashMap<Integer, String>();
-                }
-                unknownComponents.put(value, key);
-            }
+            widgetSet.ensureConnectorLoaded(value, this);
         }
     }
 
@@ -478,86 +497,25 @@ public class ApplicationConfiguration implements EntryPoint {
                 cmd.execute();
             }
             callbacks.clear();
-        } else if (dependenciesLoading == 0 && deferredWidgetLoader != null) {
-            deferredWidgetLoader.trigger();
-        }
-
-    }
-
-    /*
-     * This loop loads widget implementation that should be loaded deferred.
-     */
-    static class DeferredWidgetLoader extends Timer {
-        private static final int FREE_LIMIT = 4;
-        private static final int FREE_CHECK_TIMEOUT = 100;
-
-        int communicationFree = 0;
-        int nextWidgetIndex = 0;
-        private boolean pending;
-
-        public DeferredWidgetLoader() {
-            schedule(5000);
-        }
-
-        public void trigger() {
-            if (!pending) {
-                schedule(FREE_CHECK_TIMEOUT);
-            }
-        }
-
-        @Override
-        public void schedule(int delayMillis) {
-            super.schedule(delayMillis);
-            pending = true;
-        }
-
-        @Override
-        public void run() {
-            pending = false;
-            if (!isBusy()) {
-                Class<? extends ServerConnector> nextType = getNextType();
-                if (nextType == null) {
-                    // ensured that all widgets are loaded
-                    deferredWidgetLoader = null;
-                } else {
-                    communicationFree = 0;
-                    widgetSet.loadImplementation(nextType);
-                }
-            } else {
-                schedule(FREE_CHECK_TIMEOUT);
-            }
-        }
-
-        private Class<? extends ServerConnector> getNextType() {
-            Class<? extends ServerConnector>[] deferredLoadedConnectors = widgetSet
-                    .getDeferredLoadedConnectors();
-            if (deferredLoadedConnectors.length <= nextWidgetIndex) {
-                return null;
-            } else {
-                return deferredLoadedConnectors[nextWidgetIndex++];
-            }
-        }
-
-        private boolean isBusy() {
-            if (dependenciesLoading > 0) {
-                communicationFree = 0;
-                return true;
-            }
-            for (ApplicationConnection app : runningApplications) {
-                if (app.hasActiveRequest()) {
-                    // if an UIDL request or widget loading is active, mark as
-                    // busy
-                    communicationFree = 0;
-                    return true;
-                }
-            }
-            communicationFree++;
-            return communicationFree < FREE_LIMIT;
+        } else if (dependenciesLoading == 0
+                && !ConnectorBundleLoader.get().isBundleLoaded(
+                        ConnectorBundleLoader.DEFERRED_BUNDLE_NAME)) {
+            ConnectorBundleLoader.get().loadBundle(
+                    ConnectorBundleLoader.DEFERRED_BUNDLE_NAME,
+                    new BundleLoadCallback() {
+                        @Override
+                        public void loaded() {
+                            // Nothing to do
+                        }
+
+                        @Override
+                        public void failed(Throwable reason) {
+                            VConsole.error(reason);
+                        }
+                    });
         }
     }
 
-    private static DeferredWidgetLoader deferredWidgetLoader;
-
     @Override
     public void onModuleLoad() {
 
@@ -594,7 +552,6 @@ public class ApplicationConfiguration implements EntryPoint {
             return;
         }
         registerCallback(GWT.getModuleName());
-        deferredWidgetLoader = new DeferredWidgetLoader();
     }
 
     /**
diff --git a/client/src/com/vaadin/terminal/gwt/client/ApplicationConnection.java b/client/src/com/vaadin/terminal/gwt/client/ApplicationConnection.java
index 299278269c..450972ddc6 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ApplicationConnection.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ApplicationConnection.java
@@ -58,6 +58,7 @@ import com.vaadin.shared.Version;
 import com.vaadin.shared.communication.LegacyChangeVariablesInvocation;
 import com.vaadin.shared.communication.MethodInvocation;
 import com.vaadin.shared.communication.SharedState;
+import com.vaadin.shared.ui.ui.UIConstants;
 import com.vaadin.terminal.gwt.client.ApplicationConfiguration.ErrorMessage;
 import com.vaadin.terminal.gwt.client.ResourceLoader.ResourceLoadEvent;
 import com.vaadin.terminal.gwt.client.ResourceLoader.ResourceLoadListener;
@@ -65,16 +66,19 @@ import com.vaadin.terminal.gwt.client.communication.HasJavaScriptConnectorHelper
 import com.vaadin.terminal.gwt.client.communication.JsonDecoder;
 import com.vaadin.terminal.gwt.client.communication.JsonEncoder;
 import com.vaadin.terminal.gwt.client.communication.RpcManager;
-import com.vaadin.terminal.gwt.client.communication.SerializerMap;
 import com.vaadin.terminal.gwt.client.communication.StateChangeEvent;
-import com.vaadin.terminal.gwt.client.communication.Type;
 import com.vaadin.terminal.gwt.client.extensions.AbstractExtensionConnector;
+import com.vaadin.terminal.gwt.client.metadata.ConnectorBundleLoader;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.Property;
+import com.vaadin.terminal.gwt.client.metadata.Type;
+import com.vaadin.terminal.gwt.client.metadata.TypeData;
 import com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector;
 import com.vaadin.terminal.gwt.client.ui.VContextMenu;
+import com.vaadin.terminal.gwt.client.ui.UI.UIConnector;
 import com.vaadin.terminal.gwt.client.ui.dd.VDragAndDropManager;
 import com.vaadin.terminal.gwt.client.ui.notification.VNotification;
 import com.vaadin.terminal.gwt.client.ui.notification.VNotification.HideEvent;
-import com.vaadin.terminal.gwt.client.ui.root.RootConnector;
 import com.vaadin.terminal.gwt.client.ui.window.WindowConnector;
 
 /**
@@ -105,8 +109,6 @@ public class ApplicationConnection {
 
     public static final char VAR_ESCAPE_CHARACTER = '\u001b';
 
-    private static SerializerMap serializerMap;
-
     /**
      * A string that, if found in a non-JSON response to a UIDL request, will
      * cause the browser to refresh the page. If followed by a colon, optional
@@ -155,7 +157,7 @@ public class ApplicationConnection {
     private Timer loadTimer3;
     private Element loadElement;
 
-    private final RootConnector rootConnector;
+    private final UIConnector uIConnector;
 
     protected boolean applicationRunning = false;
 
@@ -207,11 +209,13 @@ public class ApplicationConnection {
     }
 
     public ApplicationConnection() {
-        rootConnector = GWT.create(RootConnector.class);
+        // Assuming UI data is eagerly loaded
+        ConnectorBundleLoader.get().loadBundle(
+                ConnectorBundleLoader.EAGER_BUNDLE_NAME, null);
+        uIConnector = GWT.create(UIConnector.class);
         rpcManager = GWT.create(RpcManager.class);
         layoutManager = GWT.create(LayoutManager.class);
         layoutManager.setConnection(this);
-        serializerMap = GWT.create(SerializerMap.class);
     }
 
     public void init(WidgetSet widgetSet, ApplicationConfiguration cnf) {
@@ -240,7 +244,7 @@ public class ApplicationConnection {
 
         initializeClientHooks();
 
-        rootConnector.init(cnf.getRootPanelId(), this);
+        uIConnector.init(cnf.getRootPanelId(), this);
         showLoadingIndicator();
 
         scheduleHeartbeat();
@@ -398,32 +402,6 @@ public class ApplicationConnection {
     }-*/;
 
     /**
-     * Get the active Console for writing debug messages. May return an actual
-     * logging console, or the NullConsole if debugging is not turned on.
-     * 
-     * @deprecated Developers should use {@link VConsole} since 6.4.5
-     * 
-     * @return the active Console
-     */
-    @Deprecated
-    public static Console getConsole() {
-        return VConsole.getImplementation();
-    }
-
-    /**
-     * Checks if client side is in debug mode. Practically this is invoked by
-     * adding ?debug parameter to URI.
-     * 
-     * @deprecated use ApplicationConfiguration isDebugMode instead.
-     * 
-     * @return true if client side is currently been debugged
-     */
-    @Deprecated
-    public static boolean isDebugMode() {
-        return ApplicationConfiguration.isDebugMode();
-    }
-
-    /**
      * Gets the application base URI. Using this other than as the download
      * action URI can cause problems in Portlet 2.0 deployments.
      * 
@@ -520,8 +498,8 @@ public class ApplicationConnection {
         if (extraParams != null && extraParams.length() > 0) {
             uri = addGetParameters(uri, extraParams);
         }
-        uri = addGetParameters(uri, ApplicationConstants.ROOT_ID_PARAMETER
-                + "=" + configuration.getRootId());
+        uri = addGetParameters(uri, UIConstants.UI_ID_PARAMETER + "="
+                + configuration.getUIId());
 
         doUidlRequest(uri, payload, forceSync);
 
@@ -934,7 +912,7 @@ public class ApplicationConnection {
         if (loadElement == null) {
             loadElement = DOM.createDiv();
             DOM.setStyleAttribute(loadElement, "position", "absolute");
-            DOM.appendChild(rootConnector.getWidget().getElement(), loadElement);
+            DOM.appendChild(uIConnector.getWidget().getElement(), loadElement);
             VConsole.log("inserting load indicator");
         }
         DOM.setElementProperty(loadElement, "className", "v-loading-indicator");
@@ -1118,7 +1096,7 @@ public class ApplicationConnection {
                     meta = json.getValueMap("meta");
                     if (meta.containsKey("repaintAll")) {
                         repaintAll = true;
-                        rootConnector.getWidget().clear();
+                        uIConnector.getWidget().clear();
                         getConnectorMap().clear();
                         if (meta.containsKey("invalidLayouts")) {
                             validatingLayouts = true;
@@ -1176,6 +1154,8 @@ public class ApplicationConnection {
                         " * Hierarchy state change event processing completed",
                         10);
 
+                delegateToWidget(pendingStateChangeEvents);
+
                 // Fire state change events.
                 sendStateChangeEvents(pendingStateChangeEvents);
 
@@ -1292,6 +1272,62 @@ public class ApplicationConnection {
 
             }
 
+            private void delegateToWidget(
+                    Collection<StateChangeEvent> pendingStateChangeEvents) {
+                VConsole.log(" * Running @DelegateToWidget");
+
+                for (StateChangeEvent sce : pendingStateChangeEvents) {
+                    ServerConnector connector = sce.getConnector();
+                    if (connector instanceof ComponentConnector) {
+                        ComponentConnector component = (ComponentConnector) connector;
+                        Type type = TypeData.getType(component.getClass());
+
+                        Type stateType;
+                        try {
+                            stateType = type.getMethod("getState")
+                                    .getReturnType();
+                        } catch (NoDataException e) {
+                            throw new RuntimeException(
+                                    "Can not find the state type for "
+                                            + type.getSignature(), e);
+                        }
+
+                        Set<String> changedProperties = sce
+                                .getChangedProperties();
+                        for (String propertyName : changedProperties) {
+                            Property property = stateType
+                                    .getProperty(propertyName);
+                            String method = property
+                                    .getDelegateToWidgetMethodName();
+                            if (method != null) {
+                                doDelegateToWidget(component, property, method);
+                            }
+                        }
+
+                    }
+                }
+            }
+
+            private void doDelegateToWidget(ComponentConnector component,
+                    Property property, String methodName) {
+                Type type = TypeData.getType(component.getClass());
+                try {
+                    Type widgetType = type.getMethod("getWidget")
+                            .getReturnType();
+                    Widget widget = component.getWidget();
+
+                    Object propertyValue = property.getValue(component
+                            .getState());
+
+                    widgetType.getMethod(methodName).invoke(widget,
+                            propertyValue);
+                } catch (NoDataException e) {
+                    throw new RuntimeException(
+                            "Missing data needed to invoke @DelegateToWidget for "
+                                    + Util.getSimpleName(component), e);
+                }
+            }
+
             /**
              * Sends the state change events created while updating the state
              * information.
@@ -1328,17 +1364,17 @@ public class ApplicationConnection {
                         if (!c.getParent().getChildren().contains(c)) {
                             VConsole.error("ERROR: Connector is connected to a parent but the parent does not contain the connector");
                         }
-                    } else if ((c instanceof RootConnector && c == getRootConnector())) {
-                        // RootConnector for this connection, leave as-is
+                    } else if ((c instanceof UIConnector && c == getRootConnector())) {
+                        // UIConnector for this connection, leave as-is
                     } else if (c instanceof WindowConnector
                             && getRootConnector().hasSubWindow(
                                     (WindowConnector) c)) {
-                        // Sub window attached to this RootConnector, leave
+                        // Sub window attached to this UIConnector, leave
                         // as-is
                     } else {
                         // The connector has been detached from the
                         // hierarchy, unregister it and any possible
-                        // children. The RootConnector should never be
+                        // children. The UIConnector should never be
                         // unregistered even though it has no parent.
                         connectorMap.unregisterConnector(c);
                         unregistered++;
@@ -1373,17 +1409,17 @@ public class ApplicationConnection {
                                 .getConnectorClassByEncodedTag(connectorType);
 
                         // Connector does not exist so we must create it
-                        if (connectorClass != RootConnector.class) {
+                        if (connectorClass != UIConnector.class) {
                             // create, initialize and register the paintable
                             getConnector(connectorId, connectorType);
                         } else {
-                            // First RootConnector update. Before this the
-                            // RootConnector has been created but not
+                            // First UIConnector update. Before this the
+                            // UIConnector has been created but not
                             // initialized as the connector id has not been
                             // known
                             connectorMap.registerConnector(connectorId,
-                                    rootConnector);
-                            rootConnector.doInit(connectorId,
+                                    uIConnector);
+                            uIConnector.doInit(connectorId,
                                     ApplicationConnection.this);
                         }
                     } catch (final Throwable e) {
@@ -2444,8 +2480,8 @@ public class ApplicationConnection {
      * 
      * @return the main view
      */
-    public RootConnector getRootConnector() {
-        return rootConnector;
+    public UIConnector getRootConnector() {
+        return uIConnector;
     }
 
     /**
@@ -2470,7 +2506,8 @@ public class ApplicationConnection {
      *            The identifier for the event
      * @return true if at least one listener has been registered on server side
      *         for the event identified by eventIdentifier.
-     * @deprecated Use {@link ComponentState#hasEventListener(String)} instead
+     * @deprecated as of Vaadin 7. Use
+     *             {@link ComponentState#hasEventListener(String)} instead
      */
     @Deprecated
     public boolean hasEventListeners(ComponentConnector paintable,
@@ -2523,11 +2560,13 @@ public class ApplicationConnection {
         return connectorMap;
     }
 
+    /**
+     * @deprecated No longer needed in Vaadin 7
+     */
     @Deprecated
     public void unregisterPaintable(ServerConnector p) {
-        System.out.println("unregisterPaintable (unnecessarily) called for "
+        VConsole.log("unregisterPaintable (unnecessarily) called for "
                 + Util.getConnectorString(p));
-        // connectorMap.unregisterConnector(p);
     }
 
     /**
@@ -2566,6 +2605,10 @@ public class ApplicationConnection {
         return false;
     }
 
+    /**
+     * @deprecated as of Vaadin 7. Use
+     *             {@link ComponentState#hasEventListener(String)} instead
+     */
     @Deprecated
     public boolean hasEventListeners(Widget widget, String eventIdentifier) {
         return hasEventListeners(getConnectorMap().getConnector(widget),
@@ -2576,10 +2619,6 @@ public class ApplicationConnection {
         return layoutManager;
     }
 
-    public SerializerMap getSerializerMap() {
-        return serializerMap;
-    }
-
     /**
      * Schedules a heartbeat request to occur after the configured heartbeat
      * interval elapses if the interval is a positive number. Otherwise, does
@@ -2616,8 +2655,8 @@ public class ApplicationConnection {
         final String uri = addGetParameters(
                 translateVaadinUri(ApplicationConstants.APP_PROTOCOL_PREFIX
                         + ApplicationConstants.HEARTBEAT_REQUEST_PATH),
-                ApplicationConstants.ROOT_ID_PARAMETER + "="
-                        + getConfiguration().getRootId());
+                UIConstants.UI_ID_PARAMETER + "="
+                        + getConfiguration().getUIId());
 
         final RequestBuilder rb = new RequestBuilder(RequestBuilder.POST, uri);
 
diff --git a/client/src/com/vaadin/terminal/gwt/client/ComponentLocator.java b/client/src/com/vaadin/terminal/gwt/client/ComponentLocator.java
index 959f03e46d..f1a2b9b925 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ComponentLocator.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ComponentLocator.java
@@ -28,9 +28,9 @@ import com.vaadin.shared.ComponentState;
 import com.vaadin.shared.Connector;
 import com.vaadin.shared.communication.SharedState;
 import com.vaadin.terminal.gwt.client.ui.SubPartAware;
+import com.vaadin.terminal.gwt.client.ui.UI.VUI;
 import com.vaadin.terminal.gwt.client.ui.gridlayout.VGridLayout;
 import com.vaadin.terminal.gwt.client.ui.orderedlayout.VMeasuringOrderedLayout;
-import com.vaadin.terminal.gwt.client.ui.root.VRoot;
 import com.vaadin.terminal.gwt.client.ui.tabsheet.VTabsheetPanel;
 import com.vaadin.terminal.gwt.client.ui.window.VWindow;
 import com.vaadin.terminal.gwt.client.ui.window.WindowConnector;
@@ -385,7 +385,7 @@ public class ComponentLocator {
             return null;
         }
 
-        if (w instanceof VRoot) {
+        if (w instanceof VUI) {
             return "";
         } else if (w instanceof VWindow) {
             Connector windowConnector = ConnectorMap.get(client)
diff --git a/client/src/com/vaadin/terminal/gwt/client/ServerConnector.java b/client/src/com/vaadin/terminal/gwt/client/ServerConnector.java
index 8788de74bf..d988c5f4a2 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ServerConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ServerConnector.java
@@ -22,6 +22,7 @@ import com.google.gwt.event.shared.GwtEvent;
 import com.google.web.bindery.event.shared.HandlerRegistration;
 import com.vaadin.shared.Connector;
 import com.vaadin.shared.communication.ClientRpc;
+import com.vaadin.shared.communication.SharedState;
 import com.vaadin.terminal.gwt.client.communication.StateChangeEvent.StateChangeHandler;
 
 /**
@@ -142,4 +143,13 @@ public interface ServerConnector extends Connector {
     public void setChildren(List<ServerConnector> children);
 
     public List<ServerConnector> getChildren();
+
+    /**
+     * Gets the current shared state of the connector.
+     * 
+     * @since 7.0.
+     * @return state The shared state object. Can be any sub type of
+     *         {@link SharedState}. Never null.
+     */
+    public SharedState getState();
 }
diff --git a/client/src/com/vaadin/terminal/gwt/client/VDebugConsole.java b/client/src/com/vaadin/terminal/gwt/client/VDebugConsole.java
index 1e2a3062f1..022171f2bb 100644
--- a/client/src/com/vaadin/terminal/gwt/client/VDebugConsole.java
+++ b/client/src/com/vaadin/terminal/gwt/client/VDebugConsole.java
@@ -70,8 +70,8 @@ import com.google.gwt.user.client.ui.Widget;
 import com.vaadin.shared.Version;
 import com.vaadin.terminal.gwt.client.ui.VLazyExecutor;
 import com.vaadin.terminal.gwt.client.ui.VOverlay;
+import com.vaadin.terminal.gwt.client.ui.UI.UIConnector;
 import com.vaadin.terminal.gwt.client.ui.notification.VNotification;
-import com.vaadin.terminal.gwt.client.ui.root.RootConnector;
 import com.vaadin.terminal.gwt.client.ui.window.WindowConnector;
 
 /**
@@ -924,7 +924,7 @@ public class VDebugConsole extends VOverlay implements Console {
     }
 
     protected void dumpConnectorInfo(ApplicationConnection a) {
-        RootConnector root = a.getRootConnector();
+        UIConnector root = a.getRootConnector();
         log("================");
         log("Connector hierarchy for Root: " + root.getState().getCaption()
                 + " (" + root.getConnectorId() + ")");
diff --git a/client/src/com/vaadin/terminal/gwt/client/WidgetSet.java b/client/src/com/vaadin/terminal/gwt/client/WidgetSet.java
index fbcfbb68d9..8245371161 100644
--- a/client/src/com/vaadin/terminal/gwt/client/WidgetSet.java
+++ b/client/src/com/vaadin/terminal/gwt/client/WidgetSet.java
@@ -18,17 +18,13 @@ package com.vaadin.terminal.gwt.client;
 
 import com.google.gwt.core.client.GWT;
 import com.vaadin.terminal.gwt.client.communication.HasJavaScriptConnectorHelper;
+import com.vaadin.terminal.gwt.client.metadata.BundleLoadCallback;
+import com.vaadin.terminal.gwt.client.metadata.ConnectorBundleLoader;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.TypeData;
 import com.vaadin.terminal.gwt.client.ui.UnknownComponentConnector;
 
 public class WidgetSet {
-
-    /**
-     * WidgetSet (and its extensions) delegate instantiation of widgets and
-     * client-server matching to WidgetMap. The actual implementations are
-     * generated with gwts generators/deferred binding.
-     */
-    private WidgetMap widgetMap = GWT.create(WidgetMap.class);
-
     /**
      * Create an uninitialized connector that best matches given UIDL. The
      * connector must implement {@link ServerConnector}.
@@ -65,12 +61,21 @@ public class WidgetSet {
             /*
              * let the auto generated code instantiate this type
              */
-            ServerConnector connector = widgetMap.instantiate(classType);
-            if (connector instanceof HasJavaScriptConnectorHelper) {
-                ((HasJavaScriptConnectorHelper) connector)
-                        .getJavascriptConnectorHelper().setTag(tag);
+            try {
+                ServerConnector connector = (ServerConnector) TypeData.getType(
+                        classType).createInstance();
+                if (connector instanceof HasJavaScriptConnectorHelper) {
+                    ((HasJavaScriptConnectorHelper) connector)
+                            .getJavascriptConnectorHelper().setTag(tag);
+                }
+                return connector;
+            } catch (NoDataException e) {
+                throw new IllegalStateException(
+                        "There is no information about "
+                                + classType
+                                + ". Did you remember to compile the right widgetset?",
+                        e);
             }
-            return connector;
         }
     }
 
@@ -102,26 +107,32 @@ public class WidgetSet {
      * @param applicationConfiguration
      * @return
      */
-    public Class<? extends ServerConnector> getConnectorClassByTag(int tag,
-            ApplicationConfiguration conf) {
-        Class<? extends ServerConnector> connectorClass = null;
+    public void ensureConnectorLoaded(int tag, ApplicationConfiguration conf) {
+        ConnectorBundleLoader loader = ConnectorBundleLoader.get();
+        String bundleName = null;
         Integer t = tag;
         do {
             String serverSideClassName = conf.getServerSideClassNameForTag(t);
-            connectorClass = widgetMap
-                    .getConnectorClassForServerSideClassName(serverSideClassName);
-            t = conf.getParentTag(t);
-        } while (connectorClass == UnknownComponentConnector.class && t != null);
+            bundleName = loader.getBundleForIdentifier(serverSideClassName);
 
-        return connectorClass;
-    }
+            t = conf.getParentTag(t);
+        } while (bundleName == null && t != null);
 
-    public Class<? extends ServerConnector>[] getDeferredLoadedConnectors() {
-        return widgetMap.getDeferredLoadedConnectors();
-    }
+        if (bundleName != null && !loader.isBundleLoaded(bundleName)) {
+            ApplicationConfiguration.startDependencyLoading();
+            loader.loadBundle(bundleName, new BundleLoadCallback() {
+                @Override
+                public void loaded() {
+                    ApplicationConfiguration.endDependencyLoading();
+                }
 
-    public void loadImplementation(Class<? extends ServerConnector> nextType) {
-        widgetMap.ensureInstantiator(nextType);
+                @Override
+                public void failed(Throwable reason) {
+                    VConsole.error(reason);
+                    ApplicationConfiguration.endDependencyLoading();
+                }
+            });
+        }
     }
 
 }
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/DiffJSONSerializer.java b/client/src/com/vaadin/terminal/gwt/client/communication/DiffJSONSerializer.java
index a3b96a6cb2..1d5415263f 100644
--- a/client/src/com/vaadin/terminal/gwt/client/communication/DiffJSONSerializer.java
+++ b/client/src/com/vaadin/terminal/gwt/client/communication/DiffJSONSerializer.java
@@ -17,6 +17,7 @@ package com.vaadin.terminal.gwt.client.communication;
 
 import com.google.gwt.json.client.JSONValue;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
+import com.vaadin.terminal.gwt.client.metadata.Type;
 
 public interface DiffJSONSerializer<T> extends JSONSerializer<T> {
     /**
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/InitializableServerRpc.java b/client/src/com/vaadin/terminal/gwt/client/communication/InitializableServerRpc.java
deleted file mode 100644
index 65887bf62e..0000000000
--- a/client/src/com/vaadin/terminal/gwt/client/communication/InitializableServerRpc.java
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright 2011 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.vaadin.terminal.gwt.client.communication;
-
-import com.vaadin.shared.communication.ServerRpc;
-import com.vaadin.terminal.gwt.client.ServerConnector;
-
-/**
- * Initialization support for client to server RPC interfaces.
- * 
- * This is in a separate interface used by the GWT generator class. The init
- * method is not in {@link ServerRpc} because then also server side proxies
- * would have to implement the initialization method.
- * 
- * @since 7.0
- */
-public interface InitializableServerRpc extends ServerRpc {
-    /**
-     * Associates the RPC proxy with a connector. Called by generated code.
-     * Should never be called manually.
-     * 
-     * @param connector
-     *            The connector the ServerRPC instance is assigned to.
-     */
-    public void initRpc(ServerConnector connector);
-}
\ No newline at end of file
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/JSONSerializer.java b/client/src/com/vaadin/terminal/gwt/client/communication/JSONSerializer.java
index a8fe2c7ccc..c6b814a5c1 100644
--- a/client/src/com/vaadin/terminal/gwt/client/communication/JSONSerializer.java
+++ b/client/src/com/vaadin/terminal/gwt/client/communication/JSONSerializer.java
@@ -20,6 +20,7 @@ import com.google.gwt.json.client.JSONObject;
 import com.google.gwt.json.client.JSONValue;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
 import com.vaadin.terminal.gwt.client.ConnectorMap;
+import com.vaadin.terminal.gwt.client.metadata.Type;
 
 /**
  * Implementors of this interface knows how to serialize an Object of a given
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/JsonDecoder.java b/client/src/com/vaadin/terminal/gwt/client/communication/JsonDecoder.java
index 7d2046982c..a98d08c368 100644
--- a/client/src/com/vaadin/terminal/gwt/client/communication/JsonDecoder.java
+++ b/client/src/com/vaadin/terminal/gwt/client/communication/JsonDecoder.java
@@ -31,6 +31,9 @@ import com.google.gwt.json.client.JSONValue;
 import com.vaadin.shared.Connector;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
 import com.vaadin.terminal.gwt.client.ConnectorMap;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.Property;
+import com.vaadin.terminal.gwt.client.metadata.Type;
 
 /**
  * Client side decoder for decodeing shared state and other values from JSON
@@ -105,18 +108,42 @@ public class JsonDecoder {
 
     private static Object decodeObject(Type type, JSONValue jsonValue,
             Object target, ApplicationConnection connection) {
-        JSONSerializer<Object> serializer = connection.getSerializerMap()
-                .getSerializer(type.getBaseTypeName());
-        // TODO handle case with no serializer found
-        // Currently getSerializer throws exception if not found
-
-        if (target != null && serializer instanceof DiffJSONSerializer<?>) {
-            DiffJSONSerializer<Object> diffSerializer = (DiffJSONSerializer<Object>) serializer;
-            diffSerializer.update(target, type, jsonValue, connection);
-            return target;
+        JSONSerializer<Object> serializer = (JSONSerializer<Object>) type
+                .findSerializer();
+        if (serializer != null) {
+            if (target != null && serializer instanceof DiffJSONSerializer<?>) {
+                DiffJSONSerializer<Object> diffSerializer = (DiffJSONSerializer<Object>) serializer;
+                diffSerializer.update(target, type, jsonValue, connection);
+                return target;
+            } else {
+                Object object = serializer.deserialize(type, jsonValue,
+                        connection);
+                return object;
+            }
         } else {
-            Object object = serializer.deserialize(type, jsonValue, connection);
-            return object;
+            try {
+                Collection<Property> properties = type.getProperties();
+                if (target == null) {
+                    target = type.createInstance();
+                }
+                JSONObject jsonObject = jsonValue.isObject();
+
+                for (Property property : properties) {
+                    JSONValue encodedPropertyValue = jsonObject.get(property
+                            .getName());
+                    if (encodedPropertyValue == null) {
+                        continue;
+                    }
+                    Object propertyReference = property.getValue(target);
+                    Object decodedValue = decodeValue(property.getType(),
+                            encodedPropertyValue, propertyReference, connection);
+                    property.setValue(target, decodedValue);
+                }
+                return target;
+            } catch (NoDataException e) {
+                throw new RuntimeException("Can not deserialize "
+                        + type.getSignature(), e);
+            }
         }
     }
 
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/JsonEncoder.java b/client/src/com/vaadin/terminal/gwt/client/communication/JsonEncoder.java
index 3730cad4c3..9b28da8b34 100644
--- a/client/src/com/vaadin/terminal/gwt/client/communication/JsonEncoder.java
+++ b/client/src/com/vaadin/terminal/gwt/client/communication/JsonEncoder.java
@@ -33,6 +33,9 @@ import com.vaadin.shared.Connector;
 import com.vaadin.shared.JsonConstants;
 import com.vaadin.shared.communication.UidlValue;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.Property;
+import com.vaadin.terminal.gwt.client.metadata.Type;
 
 /**
  * Encoder for converting RPC parameters and other values to JSON for transfer
@@ -99,12 +102,33 @@ public class JsonEncoder {
             } else {
                 // Try to find a generated serializer object, class name is the
                 // type
-                transportType = value.getClass().getName();
-                JSONSerializer serializer = connection.getSerializerMap()
-                        .getSerializer(transportType);
+                Type type = new Type(value.getClass());
+
+                JSONSerializer<Object> serializer = (JSONSerializer<Object>) type
+                        .findSerializer();
+                if (serializer != null) {
+                    return serializer.serialize(value, connection);
+                } else {
+                    try {
+                        Collection<Property> properties = type.getProperties();
+
+                        JSONObject jsonObject = new JSONObject();
+                        for (Property property : properties) {
+                            Object propertyValue = property.getValue(value);
+                            JSONValue encodedPropertyValue = encode(
+                                    propertyValue, restrictToInternalTypes,
+                                    connection);
+                            jsonObject.put(property.getName(),
+                                    encodedPropertyValue);
+                        }
+                        return jsonObject;
+
+                    } catch (NoDataException e) {
+                        throw new RuntimeException("Can not encode "
+                                + type.getSignature(), e);
+                    }
+                }
 
-                // TODO handle case with no serializer found
-                return serializer.serialize(value, connection);
             }
         }
     }
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/RpcManager.java b/client/src/com/vaadin/terminal/gwt/client/communication/RpcManager.java
index 04d0e3f56f..5b9bcff6a4 100644
--- a/client/src/com/vaadin/terminal/gwt/client/communication/RpcManager.java
+++ b/client/src/com/vaadin/terminal/gwt/client/communication/RpcManager.java
@@ -17,10 +17,7 @@
 package com.vaadin.terminal.gwt.client.communication;
 
 import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
 
-import com.google.gwt.core.client.GWT;
 import com.google.gwt.json.client.JSONArray;
 import com.google.gwt.json.client.JSONString;
 import com.vaadin.shared.communication.ClientRpc;
@@ -29,6 +26,9 @@ import com.vaadin.terminal.gwt.client.ApplicationConnection;
 import com.vaadin.terminal.gwt.client.ConnectorMap;
 import com.vaadin.terminal.gwt.client.ServerConnector;
 import com.vaadin.terminal.gwt.client.VConsole;
+import com.vaadin.terminal.gwt.client.metadata.Method;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.Type;
 
 /**
  * Client side RPC manager that can invoke methods based on RPC calls received
@@ -41,19 +41,6 @@ import com.vaadin.terminal.gwt.client.VConsole;
  */
 public class RpcManager {
 
-    private final Map<String, RpcMethod> methodMap = new HashMap<String, RpcMethod>();
-
-    public RpcManager() {
-        GeneratedRpcMethodProvider provider = GWT
-                .create(GeneratedRpcMethodProvider.class);
-        Collection<RpcMethod> methods = provider.getGeneratedRpcMethods();
-        for (RpcMethod rpcMethod : methods) {
-            methodMap.put(
-                    rpcMethod.getInterfaceName() + "."
-                            + rpcMethod.getMethodName(), rpcMethod);
-        }
-    }
-
     /**
      * Perform server to client RPC invocation.
      * 
@@ -62,24 +49,25 @@ public class RpcManager {
      */
     public void applyInvocation(MethodInvocation invocation,
             ServerConnector connector) {
-        String signature = getSignature(invocation);
+        Method method = getMethod(invocation);
 
-        RpcMethod rpcMethod = getRpcMethod(signature);
         Collection<ClientRpc> implementations = connector
                 .getRpcImplementations(invocation.getInterfaceName());
-        for (ClientRpc clientRpc : implementations) {
-            rpcMethod.applyInvocation(clientRpc, invocation.getParameters());
+        try {
+            for (ClientRpc clientRpc : implementations) {
+                method.invoke(clientRpc, invocation.getParameters());
+            }
+        } catch (NoDataException e) {
+            throw new IllegalStateException("There is no information about "
+                    + method.getSignature()
+                    + ". Did you remember to compile the right widgetset?", e);
         }
     }
 
-    private RpcMethod getRpcMethod(String signature) {
-        RpcMethod rpcMethod = methodMap.get(signature);
-        if (rpcMethod == null) {
-            throw new IllegalStateException("There is no information about "
-                    + signature
-                    + ". Did you remember to compile the right widgetset?");
-        }
-        return rpcMethod;
+    private Method getMethod(MethodInvocation invocation) {
+        Type type = new Type(invocation.getInterfaceName(), null);
+        Method method = type.getMethod(invocation.getMethodName());
+        return method;
     }
 
     private static String getSignature(MethodInvocation invocation) {
@@ -87,7 +75,15 @@ public class RpcManager {
     }
 
     public Type[] getParameterTypes(MethodInvocation invocation) {
-        return getRpcMethod(getSignature(invocation)).getParameterTypes();
+        Method method = getMethod(invocation);
+        try {
+            Type[] parameterTypes = method.getParameterTypes();
+            return parameterTypes;
+        } catch (NoDataException e) {
+            throw new IllegalStateException("There is no information about "
+                    + method.getSignature()
+                    + ". Did you remember to compile the right widgetset?", e);
+        }
     }
 
     public void parseAndApplyInvocation(JSONArray rpcCall,
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/RpcMethod.java b/client/src/com/vaadin/terminal/gwt/client/communication/RpcMethod.java
deleted file mode 100644
index a47fa5eab2..0000000000
--- a/client/src/com/vaadin/terminal/gwt/client/communication/RpcMethod.java
+++ /dev/null
@@ -1,46 +0,0 @@
-/* 
- * Copyright 2011 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.vaadin.terminal.gwt.client.communication;
-
-import com.vaadin.shared.communication.ClientRpc;
-
-public abstract class RpcMethod {
-    private String interfaceName;
-    private String methodName;
-    private Type[] parameterTypes;
-
-    public RpcMethod(String interfaceName, String methodName,
-            Type... parameterTypes) {
-        this.interfaceName = interfaceName;
-        this.methodName = methodName;
-        this.parameterTypes = parameterTypes;
-    }
-
-    public String getInterfaceName() {
-        return interfaceName;
-    }
-
-    public String getMethodName() {
-        return methodName;
-    }
-
-    public Type[] getParameterTypes() {
-        return parameterTypes;
-    }
-
-    public abstract void applyInvocation(ClientRpc target, Object... parameters);
-
-}
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/RpcProxy.java b/client/src/com/vaadin/terminal/gwt/client/communication/RpcProxy.java
index 226594adc6..e9dc6ab7fd 100644
--- a/client/src/com/vaadin/terminal/gwt/client/communication/RpcProxy.java
+++ b/client/src/com/vaadin/terminal/gwt/client/communication/RpcProxy.java
@@ -15,9 +15,13 @@
  */
 package com.vaadin.terminal.gwt.client.communication;
 
-import com.google.gwt.core.client.GWT;
+import com.vaadin.shared.communication.MethodInvocation;
 import com.vaadin.shared.communication.ServerRpc;
 import com.vaadin.terminal.gwt.client.ServerConnector;
+import com.vaadin.terminal.gwt.client.metadata.InvokationHandler;
+import com.vaadin.terminal.gwt.client.metadata.Method;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.TypeData;
 
 /**
  * Class for creating proxy instances for Client to Server RPC.
@@ -26,25 +30,38 @@ import com.vaadin.terminal.gwt.client.ServerConnector;
  */
 public class RpcProxy {
 
-    private static RpcProxyCreator impl = GWT.create(RpcProxyCreator.class);
-
-    /**
-     * Create a proxy class for the given Rpc interface and assign it to the
-     * given connector.
-     * 
-     * @param rpcInterface
-     *            The rpc interface to construct a proxy for
-     * @param connector
-     *            The connector this proxy is connected to
-     * @return A proxy class used for calling Rpc methods.
-     */
     public static <T extends ServerRpc> T create(Class<T> rpcInterface,
             ServerConnector connector) {
-        return impl.create(rpcInterface, connector);
+        try {
+            return (T) TypeData.getType(rpcInterface).createProxy(
+                    new RpcInvokationHandler(rpcInterface, connector));
+        } catch (NoDataException e) {
+            throw new IllegalStateException("There is no information about "
+                    + rpcInterface
+                    + ". Did you forget to compile the widgetset?");
+        }
     }
 
-    public interface RpcProxyCreator {
-        <T extends ServerRpc> T create(Class<T> rpcInterface,
-                ServerConnector connector);
+    private static final class RpcInvokationHandler implements
+            InvokationHandler {
+        private final Class<?> rpcInterface;
+        private final ServerConnector connector;
+
+        private RpcInvokationHandler(Class<?> rpcInterface,
+                ServerConnector connector) {
+            this.rpcInterface = rpcInterface;
+            this.connector = connector;
+        }
+
+        @Override
+        public Object invoke(Object target, Method method, Object[] params) {
+            MethodInvocation invocation = new MethodInvocation(
+                    connector.getConnectorId(), rpcInterface.getName(),
+                    method.getName(), params);
+            connector.getConnection().addMethodInvocationToQueue(invocation,
+                    method.isDelayed(), method.isLastonly());
+            // No RPC iface should have a return value
+            return null;
+        }
     }
 }
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/SerializerMap.java b/client/src/com/vaadin/terminal/gwt/client/communication/SerializerMap.java
deleted file mode 100644
index 77df4c7b08..0000000000
--- a/client/src/com/vaadin/terminal/gwt/client/communication/SerializerMap.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright 2011 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-
-package com.vaadin.terminal.gwt.client.communication;
-
-/**
- * Provide a mapping from a type (communicated between the server and the
- * client) and a {@link JSONSerializer} instance.
- * 
- * An implementation of this class is created at GWT compilation time by
- * SerializerMapGenerator, so this interface can be instantiated with
- * GWT.create().
- * 
- * @since 7.0
- */
-public interface SerializerMap {
-
-    /**
-     * Returns a serializer instance for a given type.
-     * 
-     * @param type
-     *            type communicated on between the server and the client
-     *            (currently fully qualified class name)
-     * @return serializer instance, not null
-     * @throws RuntimeException
-     *             if no serializer is found
-     */
-    // TODO better error handling in javadoc and in generator
-    public JSONSerializer getSerializer(String type);
-
-}
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/Type.java b/client/src/com/vaadin/terminal/gwt/client/communication/Type.java
deleted file mode 100644
index ff93234a1d..0000000000
--- a/client/src/com/vaadin/terminal/gwt/client/communication/Type.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/* 
- * Copyright 2011 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.vaadin.terminal.gwt.client.communication;
-
-public class Type {
-    private final String baseTypeName;
-    private final Type[] parameterTypes;
-
-    public Type(String baseTypeName, Type[] parameterTypes) {
-        this.baseTypeName = baseTypeName;
-        this.parameterTypes = parameterTypes;
-    }
-
-    public String getBaseTypeName() {
-        return baseTypeName;
-    }
-
-    public Type[] getParameterTypes() {
-        return parameterTypes;
-    }
-
-    @Override
-    public String toString() {
-        String string = baseTypeName;
-        if (parameterTypes != null) {
-            string += '<';
-            for (int i = 0; i < parameterTypes.length; i++) {
-                if (i != 0) {
-                    string += ',';
-                }
-                string += parameterTypes[i].toString();
-            }
-            string += '>';
-        }
-
-        return string;
-    }
-
-}
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/URLReference_Serializer.java b/client/src/com/vaadin/terminal/gwt/client/communication/URLReference_Serializer.java
index f77553d3c0..3d2e4f3804 100644
--- a/client/src/com/vaadin/terminal/gwt/client/communication/URLReference_Serializer.java
+++ b/client/src/com/vaadin/terminal/gwt/client/communication/URLReference_Serializer.java
@@ -20,6 +20,7 @@ import com.google.gwt.json.client.JSONObject;
 import com.google.gwt.json.client.JSONValue;
 import com.vaadin.shared.communication.URLReference;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
+import com.vaadin.terminal.gwt.client.metadata.Type;
 
 public class URLReference_Serializer implements JSONSerializer<URLReference> {
 
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/AsyncBundleLoader.java b/client/src/com/vaadin/terminal/gwt/client/metadata/AsyncBundleLoader.java
new file mode 100644
index 0000000000..e92e51b40d
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/AsyncBundleLoader.java
@@ -0,0 +1,86 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public abstract class AsyncBundleLoader {
+    public enum State {
+        NOT_STARTED, LOADING, LOADED, ERROR;
+    }
+
+    private State state = State.NOT_STARTED;
+
+    private Throwable error = null;
+
+    private List<BundleLoadCallback> callbacks = new ArrayList<BundleLoadCallback>();
+
+    private final String packageName;
+
+    private final String[] indentifiers;
+
+    public AsyncBundleLoader(String packageName, String[] indentifiers) {
+        this.packageName = packageName;
+        this.indentifiers = indentifiers;
+    }
+
+    protected abstract void load(TypeDataStore store);
+
+    public List<BundleLoadCallback> setError(Throwable error) {
+        assert state == State.LOADING;
+        state = State.ERROR;
+        this.error = error;
+
+        return clearCallbacks();
+    }
+
+    public Throwable getError() {
+        return error;
+    }
+
+    public State getState() {
+        return state;
+    }
+
+    public List<BundleLoadCallback> getCallback() {
+        return Collections.unmodifiableList(callbacks);
+    }
+
+    public void load(BundleLoadCallback callback, TypeDataStore store) {
+        assert state == State.NOT_STARTED;
+        state = State.LOADING;
+        callbacks.add(callback);
+        load(store);
+    }
+
+    public void addCallback(BundleLoadCallback callback) {
+        assert state == State.LOADING;
+        callbacks.add(callback);
+    }
+
+    public List<BundleLoadCallback> setLoaded() {
+        assert state == State.LOADING;
+        state = State.LOADED;
+
+        return clearCallbacks();
+    }
+
+    private List<BundleLoadCallback> clearCallbacks() {
+        List<BundleLoadCallback> callbacks = this.callbacks;
+        this.callbacks = null;
+        return callbacks;
+    }
+
+    public String getName() {
+        return packageName;
+    }
+
+    public String[] getIndentifiers() {
+        return indentifiers;
+    }
+
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/BundleLoadCallback.java b/client/src/com/vaadin/terminal/gwt/client/metadata/BundleLoadCallback.java
new file mode 100644
index 0000000000..c7fc735829
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/BundleLoadCallback.java
@@ -0,0 +1,11 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+public interface BundleLoadCallback {
+    public void loaded();
+
+    public void failed(Throwable reason);
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/ConnectorBundleLoader.java b/client/src/com/vaadin/terminal/gwt/client/metadata/ConnectorBundleLoader.java
new file mode 100644
index 0000000000..ab1462efc1
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/ConnectorBundleLoader.java
@@ -0,0 +1,99 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import com.google.gwt.core.shared.GWT;
+import com.vaadin.terminal.gwt.client.metadata.AsyncBundleLoader.State;
+
+public abstract class ConnectorBundleLoader {
+    public static final String EAGER_BUNDLE_NAME = "__eager";
+    public static final String DEFERRED_BUNDLE_NAME = "__deferred";
+
+    private static ConnectorBundleLoader impl;
+
+    private Map<String, AsyncBundleLoader> asyncBlockLoaders = new HashMap<String, AsyncBundleLoader>();
+    private Map<String, String> identifierToBundle = new HashMap<String, String>();
+
+    private final TypeDataStore datStore = new TypeDataStore();
+
+    public ConnectorBundleLoader() {
+        init();
+    }
+
+    public TypeDataStore getTypeDataStore() {
+        return datStore;
+    }
+
+    public static ConnectorBundleLoader get() {
+        if (impl == null) {
+            impl = GWT.create(ConnectorBundleLoader.class);
+        }
+        return impl;
+    }
+
+    public void loadBundle(String packageName, BundleLoadCallback callback) {
+        AsyncBundleLoader loader = asyncBlockLoaders.get(packageName);
+        switch (loader.getState()) {
+        case NOT_STARTED:
+            loader.load(callback, getTypeDataStore());
+            break;
+        case LOADING:
+            loader.addCallback(callback);
+            break;
+        case LOADED:
+            callback.loaded();
+            break;
+        case ERROR:
+            callback.failed(loader.getError());
+        }
+    }
+
+    public boolean isBundleLoaded(String bundleName) {
+        AsyncBundleLoader loader = asyncBlockLoaders.get(bundleName);
+        if (loader == null) {
+            throw new IllegalArgumentException("Bundle " + bundleName
+                    + " not recognized");
+        }
+        return loader.getState() == State.LOADED;
+    }
+
+    public void setLoaded(String packageName) {
+        List<BundleLoadCallback> callbacks = asyncBlockLoaders.get(packageName)
+                .setLoaded();
+        for (BundleLoadCallback callback : callbacks) {
+            if (callback != null) {
+                callback.loaded();
+            }
+        }
+    }
+
+    public void setLoadFailure(String bundleName, Throwable reason) {
+        List<BundleLoadCallback> callbacks = asyncBlockLoaders.get(bundleName)
+                .setError(reason);
+        for (BundleLoadCallback callback : callbacks) {
+            callback.failed(reason);
+        }
+    }
+
+    public String getBundleForIdentifier(String identifier) {
+        return identifierToBundle.get(identifier);
+    }
+
+    protected void addAsyncBlockLoader(AsyncBundleLoader loader) {
+        String name = loader.getName();
+        asyncBlockLoaders.put(name, loader);
+        String[] indentifiers = loader.getIndentifiers();
+        for (String identifier : indentifiers) {
+            identifierToBundle.put(identifier, name);
+        }
+    }
+
+    public abstract void init();
+
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/InvokationHandler.java b/client/src/com/vaadin/terminal/gwt/client/metadata/InvokationHandler.java
new file mode 100644
index 0000000000..2b1153ad97
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/InvokationHandler.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2011 Vaadin Ltd.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+public interface InvokationHandler {
+    public Object invoke(Object target, Method method, Object[] params);
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/Invoker.java b/client/src/com/vaadin/terminal/gwt/client/metadata/Invoker.java
new file mode 100644
index 0000000000..33e8776429
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/Invoker.java
@@ -0,0 +1,9 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+public interface Invoker {
+    public Object invoke(Object target, Object... params);
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/Method.java b/client/src/com/vaadin/terminal/gwt/client/metadata/Method.java
new file mode 100644
index 0000000000..527e8a29d2
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/Method.java
@@ -0,0 +1,71 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+public class Method {
+
+    private final Type type;
+    private final String name;
+
+    public Method(Type type, String name) {
+        this.type = type;
+        this.name = name;
+    }
+
+    public Type getType() {
+        return type;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public Type getReturnType() throws NoDataException {
+        return TypeDataStore.getReturnType(this);
+    }
+
+    public void invoke(Object target, Object... params) throws NoDataException {
+        TypeDataStore.getInvoker(this).invoke(target, params);
+    }
+
+    public String getSignature() {
+        return type.toString() + "." + name;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        } else if (obj instanceof Method) {
+            Method other = (Method) obj;
+            return other.getSignature().equals(getSignature());
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public String toString() {
+        return getSignature();
+    }
+
+    @Override
+    public int hashCode() {
+        return getSignature().hashCode();
+    }
+
+    public Type[] getParameterTypes() throws NoDataException {
+        return TypeDataStore.getParamTypes(this);
+    }
+
+    public boolean isDelayed() {
+        return TypeDataStore.isDelayed(this);
+    }
+
+    public boolean isLastonly() {
+        return TypeDataStore.isLastonly(this);
+    }
+
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/communication/GeneratedRpcMethodProvider.java b/client/src/com/vaadin/terminal/gwt/client/metadata/NoDataException.java
index e865dbc1b1..717b92edaf 100644
--- a/client/src/com/vaadin/terminal/gwt/client/communication/GeneratedRpcMethodProvider.java
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/NoDataException.java
@@ -1,4 +1,4 @@
-/* 
+/*
  * Copyright 2011 Vaadin Ltd.
  * 
  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
@@ -13,20 +13,13 @@
  * License for the specific language governing permissions and limitations under
  * the License.
  */
-package com.vaadin.terminal.gwt.client.communication;
 
-import java.util.Collection;
+package com.vaadin.terminal.gwt.client.metadata;
 
-/**
- * Provides runtime data about client side RPC calls received from the server to
- * the client-side code.
- * 
- * A GWT generator is used to create an implementation of this class at
- * run-time.
- * 
- * @since 7.0
- */
-public interface GeneratedRpcMethodProvider {
+public class NoDataException extends Exception {
+
+    public NoDataException(String message) {
+        super(message);
+    }
 
-    public Collection<RpcMethod> getGeneratedRpcMethods();
 }
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/Property.java b/client/src/com/vaadin/terminal/gwt/client/metadata/Property.java
new file mode 100644
index 0000000000..69e41ce75d
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/Property.java
@@ -0,0 +1,69 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+import com.vaadin.shared.annotations.DelegateToWidget;
+
+public class Property {
+    private final Type bean;
+    private final String name;
+
+    public Property(Type bean, String name) {
+        this.bean = bean;
+        this.name = name;
+    }
+
+    public Object getValue(Object bean) throws NoDataException {
+        return TypeDataStore.getGetter(this).invoke(bean);
+    }
+
+    public void setValue(Object bean, Object value) throws NoDataException {
+        TypeDataStore.getSetter(this).invoke(bean, value);
+    }
+
+    public String getDelegateToWidgetMethodName() {
+        String value = TypeDataStore.getDelegateToWidget(this);
+        if (value == null) {
+            return null;
+        } else {
+            return DelegateToWidget.Helper.getDelegateTarget(getName(), value);
+        }
+    }
+
+    public Type getType() throws NoDataException {
+        return TypeDataStore.getType(this);
+    }
+
+    public String getSignature() {
+        return bean.toString() + "." + name;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        } else if (obj instanceof Property) {
+            Property other = (Property) obj;
+            return getSignature().equals(other.getSignature());
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        return getSignature().hashCode();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public String toString() {
+        return getSignature();
+    }
+
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ClientExceptionHandler.java b/client/src/com/vaadin/terminal/gwt/client/metadata/ProxyHandler.java
index d8c7e67638..cc8168a8ff 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ClientExceptionHandler.java
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/ProxyHandler.java
@@ -13,30 +13,11 @@
  * License for the specific language governing permissions and limitations under
  * the License.
  */
-package com.vaadin.terminal.gwt.client;
 
-import com.google.gwt.core.client.GWT;
+package com.vaadin.terminal.gwt.client.metadata;
 
-@Deprecated
-public class ClientExceptionHandler {
+public interface ProxyHandler {
 
-    public static void displayError(Throwable e) {
-        displayError(e.getClass().getName() + ": " + e.getMessage());
-
-        GWT.log(e.getMessage(), e);
-    }
-
-    @Deprecated
-    public static void displayError(String msg) {
-        VConsole.error(msg);
-        GWT.log(msg);
-    }
-
-    @Deprecated
-    public static void displayError(String msg, Throwable e) {
-        displayError(msg);
-        displayError(e);
-
-    }
+    Object createProxy(InvokationHandler invokationHandler);
 
 }
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/Type.java b/client/src/com/vaadin/terminal/gwt/client/metadata/Type.java
new file mode 100644
index 0000000000..d869cc2599
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/Type.java
@@ -0,0 +1,97 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+package com.vaadin.terminal.gwt.client.metadata;
+
+import java.util.Collection;
+
+import com.vaadin.terminal.gwt.client.communication.JSONSerializer;
+
+public class Type {
+    private final String name;
+    private final Type[] parameterTypes;
+
+    public Type(Class<?> clazz) {
+        name = clazz.getName();
+        parameterTypes = null;
+    }
+
+    public Type(String baseTypeName, Type[] parameterTypes) {
+        name = baseTypeName;
+        this.parameterTypes = parameterTypes;
+    }
+
+    public String getBaseTypeName() {
+        return name;
+    }
+
+    public Type[] getParameterTypes() {
+        return parameterTypes;
+    }
+
+    public Object createInstance() throws NoDataException {
+        Invoker invoker = TypeDataStore.getConstructor(this);
+        return invoker.invoke(null);
+    }
+
+    public Method getMethod(String name) {
+        return new Method(this, name);
+    }
+
+    public Collection<Property> getProperties() throws NoDataException {
+        return TypeDataStore.getProperties(this);
+    }
+
+    public Property getProperty(String propertyName) {
+        return new Property(this, propertyName);
+    }
+
+    public String getSignature() {
+        String string = name;
+        if (parameterTypes != null && parameterTypes.length != 0) {
+            string += '<';
+            for (int i = 0; i < parameterTypes.length; i++) {
+                if (i != 0) {
+                    string += ',';
+                }
+                string += parameterTypes[i].toString();
+            }
+            string += '>';
+        }
+
+        return string;
+    }
+
+    @Override
+    public String toString() {
+        return getSignature();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj == this) {
+            return true;
+        } else if (obj instanceof Type) {
+            Type other = (Type) obj;
+            return other.getSignature().equals(getSignature());
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public int hashCode() {
+        return getSignature().hashCode();
+    }
+
+    public Object createProxy(InvokationHandler invokationHandler)
+            throws NoDataException {
+        return TypeDataStore.get().getProxyHandler(this)
+                .createProxy(invokationHandler);
+    }
+
+    public JSONSerializer<?> findSerializer() {
+        return TypeDataStore.findSerializer(this);
+    }
+
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/TypeData.java b/client/src/com/vaadin/terminal/gwt/client/metadata/TypeData.java
new file mode 100644
index 0000000000..ec2a8f191c
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/TypeData.java
@@ -0,0 +1,20 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+public class TypeData {
+
+    public static Type getType(Class<?> type) {
+        return TypeDataStore.getType(type);
+    }
+
+    public static Class<?> getClass(String identifier) throws NoDataException {
+        return TypeDataStore.getClass(identifier);
+    }
+
+    public static boolean hasIdentifier(String identifier) {
+        return TypeDataStore.hasIdentifier(identifier);
+    }
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/TypeDataBundle.java b/client/src/com/vaadin/terminal/gwt/client/metadata/TypeDataBundle.java
new file mode 100644
index 0000000000..cbde338ff2
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/TypeDataBundle.java
@@ -0,0 +1,33 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+import com.google.gwt.core.client.RunAsyncCallback;
+
+public abstract class TypeDataBundle implements RunAsyncCallback {
+    private final String name;
+
+    public TypeDataBundle(String name) {
+        this.name = name;
+    }
+
+    @Override
+    public void onSuccess() {
+        ConnectorBundleLoader loader = ConnectorBundleLoader.get();
+        load();
+        loader.setLoaded(getName());
+    }
+
+    @Override
+    public void onFailure(Throwable reason) {
+        ConnectorBundleLoader.get().setLoadFailure(getName(), reason);
+    }
+
+    public abstract void load();
+
+    public String getName() {
+        return name;
+    }
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/metadata/TypeDataStore.java b/client/src/com/vaadin/terminal/gwt/client/metadata/TypeDataStore.java
new file mode 100644
index 0000000000..9c19410c88
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/metadata/TypeDataStore.java
@@ -0,0 +1,226 @@
+/* 
+@VaadinApache2LicenseForJavaFiles@
+ */
+
+package com.vaadin.terminal.gwt.client.metadata;
+
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import com.vaadin.terminal.gwt.client.communication.JSONSerializer;
+
+public class TypeDataStore {
+    private static final String CONSTRUCTOR_NAME = "!new";
+
+    private final Map<String, Class<?>> identifiers = new HashMap<String, Class<?>>();
+
+    private final Map<Type, Invoker> serializerFactories = new HashMap<Type, Invoker>();
+    private final Map<Type, ProxyHandler> proxyHandlers = new HashMap<Type, ProxyHandler>();
+    private final Map<Type, Collection<Property>> properties = new HashMap<Type, Collection<Property>>();
+
+    private final Set<Method> delayedMethods = new HashSet<Method>();
+    private final Set<Method> lastonlyMethods = new HashSet<Method>();
+
+    private final Map<Method, Type> returnTypes = new HashMap<Method, Type>();
+    private final Map<Method, Invoker> invokers = new HashMap<Method, Invoker>();
+    private final Map<Method, Type[]> paramTypes = new HashMap<Method, Type[]>();
+
+    private final Map<Property, Type> propertyTypes = new HashMap<Property, Type>();
+    private final Map<Property, Invoker> setters = new HashMap<Property, Invoker>();
+    private final Map<Property, Invoker> getters = new HashMap<Property, Invoker>();
+    private final Map<Property, String> delegateToWidget = new HashMap<Property, String>();
+
+    public static TypeDataStore get() {
+        return ConnectorBundleLoader.get().getTypeDataStore();
+    }
+
+    public void setClass(String identifier, Class<?> type) {
+        identifiers.put(identifier, type);
+    }
+
+    public static Class<?> getClass(String identifier) throws NoDataException {
+        Class<?> class1 = get().identifiers.get(identifier);
+        if (class1 == null) {
+            throw new NoDataException("There is not class for identifier "
+                    + identifier);
+        }
+        return class1;
+    }
+
+    public static Type getType(Class<?> clazz) {
+        return new Type(clazz);
+    }
+
+    public static Type getReturnType(Method method) throws NoDataException {
+        Type type = get().returnTypes.get(method);
+        if (type == null) {
+            throw new NoDataException("There is return type for "
+                    + method.getSignature());
+        }
+        return type;
+    }
+
+    public static Invoker getInvoker(Method method) throws NoDataException {
+        Invoker invoker = get().invokers.get(method);
+        if (invoker == null) {
+            throw new NoDataException("There is invoker for "
+                    + method.getSignature());
+        }
+        return invoker;
+    }
+
+    public static Invoker getConstructor(Type type) throws NoDataException {
+        Invoker invoker = get().invokers
+                .get(new Method(type, CONSTRUCTOR_NAME));
+        if (invoker == null) {
+            throw new NoDataException("There is constructor for "
+                    + type.getSignature());
+        }
+        return invoker;
+    }
+
+    public static Invoker getGetter(Property property) throws NoDataException {
+        Invoker getter = get().getters.get(property);
+        if (getter == null) {
+            throw new NoDataException("There is getter for "
+                    + property.getSignature());
+        }
+
+        return getter;
+    }
+
+    public void setGetter(Class<?> clazz, String propertyName, Invoker invoker) {
+        getters.put(new Property(getType(clazz), propertyName), invoker);
+    }
+
+    public static String getDelegateToWidget(Property property) {
+        return get().delegateToWidget.get(property);
+    }
+
+    public void setDelegateToWidget(Class<?> clazz, String propertyName,
+            String delegateValue) {
+        delegateToWidget.put(new Property(getType(clazz), propertyName),
+                delegateValue);
+    }
+
+    public void setReturnType(Class<?> type, String methodName, Type returnType) {
+        returnTypes.put(new Method(getType(type), methodName), returnType);
+    }
+
+    public void setConstructor(Class<?> type, Invoker constructor) {
+        setInvoker(type, CONSTRUCTOR_NAME, constructor);
+    }
+
+    public void setInvoker(Class<?> type, String methodName, Invoker invoker) {
+        invokers.put(new Method(getType(type), methodName), invoker);
+    }
+
+    public static Type[] getParamTypes(Method method) throws NoDataException {
+        Type[] types = get().paramTypes.get(method);
+        if (types == null) {
+            throw new NoDataException("There are no parameter type data for "
+                    + method.getSignature());
+        }
+        return types;
+    }
+
+    public void setParamTypes(Class<?> type, String methodName,
+            Type[] paramTypes) {
+        this.paramTypes.put(new Method(getType(type), methodName), paramTypes);
+    }
+
+    public static boolean hasIdentifier(String identifier) {
+        return get().identifiers.containsKey(identifier);
+    }
+
+    public static ProxyHandler getProxyHandler(Type type)
+            throws NoDataException {
+        ProxyHandler proxyHandler = get().proxyHandlers.get(type);
+        if (proxyHandler == null) {
+            throw new NoDataException("No proxy handler for "
+                    + type.getSignature());
+        }
+        return proxyHandler;
+    }
+
+    public void setProxyHandler(Class<?> type, ProxyHandler proxyHandler) {
+        proxyHandlers.put(getType(type), proxyHandler);
+    }
+
+    public static boolean isDelayed(Method method) {
+        return get().delayedMethods.contains(method);
+    }
+
+    public void setDelayed(Class<?> type, String methodName) {
+        delayedMethods.add(getType(type).getMethod(methodName));
+    }
+
+    public static boolean isLastonly(Method method) {
+        return get().lastonlyMethods.contains(method);
+    }
+
+    public void setLastonly(Class<?> clazz, String methodName) {
+        lastonlyMethods.add(getType(clazz).getMethod(methodName));
+    }
+
+    public static Collection<Property> getProperties(Type type)
+            throws NoDataException {
+        Collection<Property> properties = get().properties.get(type);
+        if (properties == null) {
+            throw new NoDataException("No property list for "
+                    + type.getSignature());
+        }
+        return properties;
+    }
+
+    public void setProperties(Class<?> clazz, String[] propertyNames) {
+        Set<Property> properties = new HashSet<Property>();
+        Type type = getType(clazz);
+        for (String name : propertyNames) {
+            properties.add(new Property(type, name));
+        }
+        this.properties.put(type, Collections.unmodifiableSet(properties));
+    }
+
+    public static Type getType(Property property) throws NoDataException {
+        Type type = get().propertyTypes.get(property);
+        if (type == null) {
+            throw new NoDataException("No return type for "
+                    + property.getSignature());
+        }
+        return type;
+    }
+
+    public void setPropertyType(Class<?> clazz, String propertName, Type type) {
+        propertyTypes.put(new Property(getType(clazz), propertName), type);
+    }
+
+    public static Invoker getSetter(Property property) throws NoDataException {
+        Invoker setter = get().setters.get(property);
+        if (setter == null) {
+            throw new NoDataException("No setter for "
+                    + property.getSignature());
+        }
+        return setter;
+    }
+
+    public void setSetter(Class<?> clazz, String propertyName, Invoker setter) {
+        setters.put(new Property(getType(clazz), propertyName), setter);
+    }
+
+    public void setSerializerFactory(Class<?> clazz, Invoker factory) {
+        serializerFactories.put(getType(clazz), factory);
+    }
+
+    public static JSONSerializer<?> findSerializer(Type type) {
+        Invoker factoryCreator = get().serializerFactories.get(type);
+        if (factoryCreator == null) {
+            return null;
+        }
+        return (JSONSerializer<?>) factoryCreator.invoke(null);
+    }
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/AbstractComponentConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/AbstractComponentConnector.java
index 48842e29a0..f36107e947 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/AbstractComponentConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/AbstractComponentConnector.java
@@ -37,8 +37,11 @@ import com.vaadin.terminal.gwt.client.UIDL;
 import com.vaadin.terminal.gwt.client.Util;
 import com.vaadin.terminal.gwt.client.VConsole;
 import com.vaadin.terminal.gwt.client.communication.StateChangeEvent;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.Type;
+import com.vaadin.terminal.gwt.client.metadata.TypeData;
+import com.vaadin.terminal.gwt.client.ui.UI.UIConnector;
 import com.vaadin.terminal.gwt.client.ui.datefield.PopupDateFieldConnector;
-import com.vaadin.terminal.gwt.client.ui.root.RootConnector;
 
 public abstract class AbstractComponentConnector extends AbstractConnector
         implements ComponentConnector {
@@ -77,7 +80,18 @@ public abstract class AbstractComponentConnector extends AbstractConnector
      * @return
      */
     protected Widget createWidget() {
-        return ConnectorWidgetFactory.createWidget(getClass());
+        Type type = TypeData.getType(getClass());
+        try {
+            Type widgetType = type.getMethod("getWidget").getReturnType();
+            Object instance = widgetType.createInstance();
+            return (Widget) instance;
+        } catch (NoDataException e) {
+            throw new IllegalStateException(
+                    "There is no information about the widget for "
+                            + Util.getSimpleName(this)
+                            + ". Did you remember to compile the right widgetset?",
+                    e);
+        }
     }
 
     /**
@@ -137,7 +151,7 @@ public abstract class AbstractComponentConnector extends AbstractConnector
             ServerConnector parent = getParent();
             if (parent instanceof ComponentContainerConnector) {
                 ((ComponentContainerConnector) parent).updateCaption(this);
-            } else if (parent == null && !(this instanceof RootConnector)) {
+            } else if (parent == null && !(this instanceof UIConnector)) {
                 VConsole.error("Parent of connector "
                         + Util.getConnectorString(this)
                         + " is null. This is typically an indication of a broken component hierarchy");
@@ -167,7 +181,7 @@ public abstract class AbstractComponentConnector extends AbstractConnector
                 ServerConnector parent = getParent();
                 if (parent instanceof ComponentContainerConnector) {
                     ((ComponentContainerConnector) parent).updateCaption(this);
-                } else if (parent == null && !(this instanceof RootConnector)) {
+                } else if (parent == null && !(this instanceof UIConnector)) {
                     VConsole.error("Parent of connector "
                             + Util.getConnectorString(this)
                             + " is null. This is typically an indication of a broken component hierarchy");
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/AbstractConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/AbstractConnector.java
index 435fff8a5b..b861ade0bf 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/AbstractConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/AbstractConnector.java
@@ -33,6 +33,9 @@ import com.vaadin.terminal.gwt.client.Util;
 import com.vaadin.terminal.gwt.client.VConsole;
 import com.vaadin.terminal.gwt.client.communication.StateChangeEvent;
 import com.vaadin.terminal.gwt.client.communication.StateChangeEvent.StateChangeHandler;
+import com.vaadin.terminal.gwt.client.metadata.NoDataException;
+import com.vaadin.terminal.gwt.client.metadata.Type;
+import com.vaadin.terminal.gwt.client.metadata.TypeData;
 
 /**
  * An abstract implementation of Connector.
@@ -265,7 +268,20 @@ public abstract class AbstractConnector implements ServerConnector,
      * @return A new state object
      */
     protected SharedState createState() {
-        return ConnectorStateFactory.createState(getClass());
+        Type connectorType = TypeData.getType(getClass());
+        try {
+            Type stateType = connectorType.getMethod("getState")
+                    .getReturnType();
+            Object stateInstance = stateType.createInstance();
+            return (SharedState) stateInstance;
+        } catch (NoDataException e) {
+            throw new IllegalStateException(
+                    "There is no information about the state for "
+                            + Util.getSimpleName(this)
+                            + ". Did you remember to compile the right widgetset?",
+                    e);
+        }
+
     }
 
     @Override
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorClassBasedFactory.java b/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorClassBasedFactory.java
deleted file mode 100644
index 698d8e6e61..0000000000
--- a/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorClassBasedFactory.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright 2011 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.vaadin.terminal.gwt.client.ui;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import com.vaadin.shared.Connector;
-
-public abstract class ConnectorClassBasedFactory<T> {
-    public interface Creator<T> {
-        public T create();
-    }
-
-    private Map<Class<? extends Connector>, Creator<? extends T>> creators = new HashMap<Class<? extends Connector>, Creator<? extends T>>();
-
-    protected void addCreator(Class<? extends Connector> cls,
-            Creator<? extends T> creator) {
-        creators.put(cls, creator);
-    }
-
-    /**
-     * Creates a widget using GWT.create for the given connector, based on its
-     * {@link AbstractComponentConnector#getWidget()} return type.
-     * 
-     * @param connector
-     * @return
-     */
-    public T create(Class<? extends Connector> connector) {
-        Creator<? extends T> foo = creators.get(connector);
-        if (foo == null) {
-            throw new RuntimeException(getClass().getName()
-                    + " could not find a creator for connector of type "
-                    + connector.getName());
-        }
-        return foo.create();
-    }
-
-}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorStateFactory.java b/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorStateFactory.java
deleted file mode 100644
index b04daa6910..0000000000
--- a/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorStateFactory.java
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * Copyright 2011 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.vaadin.terminal.gwt.client.ui;
-
-import com.google.gwt.core.client.GWT;
-import com.vaadin.shared.Connector;
-import com.vaadin.shared.communication.SharedState;
-
-public abstract class ConnectorStateFactory extends
-        ConnectorClassBasedFactory<SharedState> {
-    private static ConnectorStateFactory impl = null;
-
-    /**
-     * Creates a SharedState using GWT.create for the given connector, based on
-     * its {@link AbstractComponentConnector#getSharedState ()} return type.
-     * 
-     * @param connector
-     * @return
-     */
-    public static SharedState createState(Class<? extends Connector> connector) {
-        return getImpl().create(connector);
-    }
-
-    private static ConnectorStateFactory getImpl() {
-        if (impl == null) {
-            impl = GWT.create(ConnectorStateFactory.class);
-        }
-        return impl;
-    }
-}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorWidgetFactory.java b/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorWidgetFactory.java
deleted file mode 100644
index 073e36cabb..0000000000
--- a/client/src/com/vaadin/terminal/gwt/client/ui/ConnectorWidgetFactory.java
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright 2011 Vaadin Ltd.
- * 
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- * 
- * http://www.apache.org/licenses/LICENSE-2.0
- * 
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package com.vaadin.terminal.gwt.client.ui;
-
-import com.google.gwt.core.client.GWT;
-import com.google.gwt.user.client.ui.Widget;
-import com.vaadin.terminal.gwt.client.ui.textfield.TextFieldConnector;
-import com.vaadin.terminal.gwt.client.ui.textfield.VTextField;
-
-public abstract class ConnectorWidgetFactory extends
-        ConnectorClassBasedFactory<Widget> {
-    private static ConnectorWidgetFactory impl = null;
-
-    // TODO Move to generator
-    {
-        addCreator(TextFieldConnector.class, new Creator<Widget>() {
-            @Override
-            public Widget create() {
-                return GWT.create(VTextField.class);
-            }
-        });
-    }
-
-    /**
-     * Creates a widget using GWT.create for the given connector, based on its
-     * {@link AbstractComponentConnector#getWidget()} return type.
-     * 
-     * @param connector
-     * @return
-     */
-    public static Widget createWidget(
-            Class<? extends AbstractComponentConnector> connector) {
-        return getImpl().create(connector);
-    }
-
-    private static ConnectorWidgetFactory getImpl() {
-        if (impl == null) {
-            impl = GWT.create(ConnectorWidgetFactory.class);
-        }
-        return impl;
-    }
-}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/MediaBaseConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/MediaBaseConnector.java
index 2f52971aeb..33d97f4ed8 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/MediaBaseConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/MediaBaseConnector.java
@@ -49,9 +49,6 @@ public abstract class MediaBaseConnector extends AbstractComponentConnector {
     public void onStateChanged(StateChangeEvent stateChangeEvent) {
         super.onStateChanged(stateChangeEvent);
 
-        getWidget().setControls(getState().isShowControls());
-        getWidget().setAutoplay(getState().isAutoplay());
-        getWidget().setMuted(getState().isMuted());
         for (int i = 0; i < getState().getSources().size(); i++) {
             URLReference source = getState().getSources().get(i);
             String sourceType = getState().getSourceTypes().get(i);
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/root/RootConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/UI/UIConnector.java
index 1759889a1b..4e1bed1aa8 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/root/RootConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/UI/UIConnector.java
@@ -13,7 +13,7 @@
  * License for the specific language governing permissions and limitations under
  * the License.
  */
-package com.vaadin.terminal.gwt.client.ui.root;
+package com.vaadin.terminal.gwt.client.ui.UI;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -36,10 +36,10 @@ import com.google.web.bindery.event.shared.HandlerRegistration;
 import com.vaadin.shared.MouseEventDetails;
 import com.vaadin.shared.ui.Connect;
 import com.vaadin.shared.ui.Connect.LoadStyle;
-import com.vaadin.shared.ui.root.PageClientRpc;
-import com.vaadin.shared.ui.root.RootConstants;
-import com.vaadin.shared.ui.root.RootServerRpc;
-import com.vaadin.shared.ui.root.RootState;
+import com.vaadin.shared.ui.ui.PageClientRpc;
+import com.vaadin.shared.ui.ui.UIConstants;
+import com.vaadin.shared.ui.ui.UIServerRpc;
+import com.vaadin.shared.ui.ui.UIState;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
 import com.vaadin.terminal.gwt.client.BrowserInfo;
 import com.vaadin.terminal.gwt.client.ComponentConnector;
@@ -58,13 +58,13 @@ import com.vaadin.terminal.gwt.client.ui.ShortcutActionHandler;
 import com.vaadin.terminal.gwt.client.ui.layout.MayScrollChildren;
 import com.vaadin.terminal.gwt.client.ui.notification.VNotification;
 import com.vaadin.terminal.gwt.client.ui.window.WindowConnector;
-import com.vaadin.ui.Root;
+import com.vaadin.ui.UI;
 
-@Connect(value = Root.class, loadStyle = LoadStyle.EAGER)
-public class RootConnector extends AbstractComponentContainerConnector
+@Connect(value = UI.class, loadStyle = LoadStyle.EAGER)
+public class UIConnector extends AbstractComponentContainerConnector
         implements Paintable, MayScrollChildren {
 
-    private RootServerRpc rpc = RpcProxy.create(RootServerRpc.class, this);
+    private UIServerRpc rpc = RpcProxy.create(UIServerRpc.class, this);
 
     private HandlerRegistration childStateChangeHandlerRegistration;
 
@@ -107,7 +107,7 @@ public class RootConnector extends AbstractComponentContainerConnector
         getWidget().connection = client;
 
         getWidget().immediate = getState().isImmediate();
-        getWidget().resizeLazy = uidl.hasAttribute(RootConstants.RESIZE_LAZY);
+        getWidget().resizeLazy = uidl.hasAttribute(UIConstants.RESIZE_LAZY);
         String newTheme = uidl.getStringAttribute("theme");
         if (getWidget().theme != null && !newTheme.equals(getWidget().theme)) {
             // Complete page refresh is needed due css can affect layout
@@ -151,14 +151,14 @@ public class RootConnector extends AbstractComponentContainerConnector
                 Scheduler.get().scheduleDeferred(new Command() {
                     @Override
                     public void execute() {
-                        VRoot.goTo(url);
+                        VUI.goTo(url);
                     }
                 });
             } else if ("_self".equals(target)) {
                 // This window is closing (for sure). Only other opens are
                 // relevant in this change. See #3558, #2144
                 isClosed = true;
-                VRoot.goTo(url);
+                VUI.goTo(url);
             } else {
                 String options;
                 if (open.hasAttribute("border")) {
@@ -263,9 +263,9 @@ public class RootConnector extends AbstractComponentContainerConnector
             scrollIntoView(connector);
         }
 
-        if (uidl.hasAttribute(RootConstants.FRAGMENT_VARIABLE)) {
+        if (uidl.hasAttribute(UIConstants.FRAGMENT_VARIABLE)) {
             getWidget().currentFragment = uidl
-                    .getStringAttribute(RootConstants.FRAGMENT_VARIABLE);
+                    .getStringAttribute(UIConstants.FRAGMENT_VARIABLE);
             if (!getWidget().currentFragment.equals(History.getToken())) {
                 History.newItem(getWidget().currentFragment, true);
             }
@@ -276,7 +276,7 @@ public class RootConnector extends AbstractComponentContainerConnector
 
             // Include current fragment in the next request
             client.updateVariable(getWidget().id,
-                    RootConstants.FRAGMENT_VARIABLE,
+                    UIConstants.FRAGMENT_VARIABLE,
                     getWidget().currentFragment, false);
         }
 
@@ -333,8 +333,8 @@ public class RootConnector extends AbstractComponentContainerConnector
     }
 
     @Override
-    public VRoot getWidget() {
-        return (VRoot) super.getWidget();
+    public VUI getWidget() {
+        return (VUI) super.getWidget();
     }
 
     protected ComponentConnector getContent() {
@@ -359,7 +359,7 @@ public class RootConnector extends AbstractComponentContainerConnector
     }
 
     /**
-     * Checks if the given sub window is a child of this Root Connector
+     * Checks if the given sub window is a child of this UI Connector
      * 
      * @deprecated Should be replaced by a more generic mechanism for getting
      *             non-ComponentConnector children
@@ -388,8 +388,8 @@ public class RootConnector extends AbstractComponentContainerConnector
     }
 
     @Override
-    public RootState getState() {
-        return (RootState) super.getState();
+    public UIState getState() {
+        return (UIState) super.getState();
     }
 
     @Override
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/root/VRoot.java b/client/src/com/vaadin/terminal/gwt/client/ui/UI/VUI.java
index 162e7c55a8..1c4b69a3b9 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/root/VRoot.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/UI/VUI.java
@@ -14,7 +14,7 @@
  * the License.
  */
 
-package com.vaadin.terminal.gwt.client.ui.root;
+package com.vaadin.terminal.gwt.client.ui.UI;
 
 import java.util.ArrayList;
 
@@ -33,7 +33,7 @@ import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.SimplePanel;
 import com.vaadin.shared.ApplicationConstants;
-import com.vaadin.shared.ui.root.RootConstants;
+import com.vaadin.shared.ui.ui.UIConstants;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
 import com.vaadin.terminal.gwt.client.BrowserInfo;
 import com.vaadin.terminal.gwt.client.ComponentConnector;
@@ -50,7 +50,7 @@ import com.vaadin.terminal.gwt.client.ui.textfield.VTextField;
 /**
  *
  */
-public class VRoot extends SimplePanel implements ResizeHandler,
+public class VUI extends SimplePanel implements ResizeHandler,
         Window.ClosingHandler, ShortcutActionHandlerOwner, Focusable,
         HasResizeHandlers {
 
@@ -130,7 +130,7 @@ public class VRoot extends SimplePanel implements ResizeHandler,
             // Send the new fragment to the server if it has changed
             if (!newFragment.equals(currentFragment) && connection != null) {
                 currentFragment = newFragment;
-                connection.updateVariable(id, RootConstants.FRAGMENT_VARIABLE,
+                connection.updateVariable(id, UIConstants.FRAGMENT_VARIABLE,
                         newFragment, true);
             }
         }
@@ -146,7 +146,7 @@ public class VRoot extends SimplePanel implements ResizeHandler,
 
             });
 
-    public VRoot() {
+    public VUI() {
         super();
         setStyleName(CLASSNAME);
 
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/dd/DDUtil.java b/client/src/com/vaadin/terminal/gwt/client/ui/dd/DDUtil.java
index b6012eded1..a4d00f59de 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/dd/DDUtil.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/dd/DDUtil.java
@@ -24,23 +24,6 @@ import com.vaadin.terminal.gwt.client.Util;
 
 public class DDUtil {
 
-    /**
-     * @deprecated use the version with the actual event instead of detected
-     *             clientY value
-     * 
-     * @param element
-     * @param clientY
-     * @param topBottomRatio
-     * @return
-     */
-    @Deprecated
-    public static VerticalDropLocation getVerticalDropLocation(Element element,
-            int clientY, double topBottomRatio) {
-        int offsetHeight = element.getOffsetHeight();
-        return getVerticalDropLocation(element, offsetHeight, clientY,
-                topBottomRatio);
-    }
-
     public static VerticalDropLocation getVerticalDropLocation(Element element,
             NativeEvent event, double topBottomRatio) {
         int offsetHeight = element.getOffsetHeight();
@@ -76,21 +59,7 @@ public class DDUtil {
 
     public static HorizontalDropLocation getHorizontalDropLocation(
             Element element, NativeEvent event, double leftRightRatio) {
-        int touchOrMouseClientX = Util.getTouchOrMouseClientX(event);
-        return getHorizontalDropLocation(element, touchOrMouseClientX,
-                leftRightRatio);
-    }
-
-    /**
-     * @deprecated use the version with the actual event
-     * @param element
-     * @param clientX
-     * @param leftRightRatio
-     * @return
-     */
-    @Deprecated
-    public static HorizontalDropLocation getHorizontalDropLocation(
-            Element element, int clientX, double leftRightRatio) {
+        int clientX = Util.getTouchOrMouseClientX(event);
 
         // Event coordinates are relative to the viewport, element absolute
         // position is relative to the document. Make element position relative
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/dd/VHtml5DragEvent.java b/client/src/com/vaadin/terminal/gwt/client/ui/dd/VHtml5DragEvent.java
index 32abc787da..34bdb28c91 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/dd/VHtml5DragEvent.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/dd/VHtml5DragEvent.java
@@ -53,14 +53,6 @@ public class VHtml5DragEvent extends NativeEvent {
         return null;
     }-*/;
 
-    /**
-     * @deprecated As of Vaadin 6.8, replaced by {@link #setDropEffect(String)}.
-     */
-    @Deprecated
-    public final void setDragEffect(String effect) {
-        setDropEffect(effect);
-    }
-
     public final native void setDropEffect(String effect)
     /*-{
         try {
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/embeddedbrowser/EmbeddedBrowserConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/embeddedbrowser/EmbeddedBrowserConnector.java
new file mode 100644
index 0000000000..61231c4fba
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/embeddedbrowser/EmbeddedBrowserConnector.java
@@ -0,0 +1,38 @@
+package com.vaadin.terminal.gwt.client.ui.embeddedbrowser;
+
+import com.vaadin.shared.ui.Connect;
+import com.vaadin.shared.ui.embeddedbrowser.EmbeddedBrowserState;
+import com.vaadin.terminal.gwt.client.communication.StateChangeEvent;
+import com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector;
+
+@Connect(com.vaadin.ui.EmbeddedBrowser.class)
+public class EmbeddedBrowserConnector extends AbstractComponentConnector {
+
+    @Override
+    protected void init() {
+        super.init();
+    }
+
+    @Override
+    public VEmbeddedBrowser getWidget() {
+        return (VEmbeddedBrowser) super.getWidget();
+    }
+
+    @Override
+    public EmbeddedBrowserState getState() {
+        return (EmbeddedBrowserState) super.getState();
+    }
+
+    @Override
+    public void onStateChanged(StateChangeEvent stateChangeEvent) {
+
+        super.onStateChanged(stateChangeEvent);
+
+        getWidget().setAlternateText(getState().getAlternateText());
+        getWidget().setSource(
+                getState().getSource() != null ? getState().getSource()
+                        .getURL() : null);
+        getWidget().setName(getConnectorId());
+    }
+
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/embeddedbrowser/VEmbeddedBrowser.java b/client/src/com/vaadin/terminal/gwt/client/ui/embeddedbrowser/VEmbeddedBrowser.java
new file mode 100644
index 0000000000..fffbff049e
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/embeddedbrowser/VEmbeddedBrowser.java
@@ -0,0 +1,120 @@
+package com.vaadin.terminal.gwt.client.ui.embeddedbrowser;
+
+import com.google.gwt.dom.client.Document;
+import com.google.gwt.dom.client.Element;
+import com.google.gwt.dom.client.IFrameElement;
+import com.google.gwt.user.client.ui.Widget;
+
+public class VEmbeddedBrowser extends Widget {
+
+    protected IFrameElement iframe;
+    protected Element altElement;
+    protected String altText;
+
+    public VEmbeddedBrowser() {
+        Element root = Document.get().createDivElement();
+        setElement(root);
+
+        setStylePrimaryName("v-embeddedbrowser");
+
+        createAltTextElement();
+    }
+
+    /**
+     * Always creates new iframe inside widget. Will replace previous iframe.
+     * 
+     * @return
+     */
+    protected IFrameElement createIFrameElement(String src) {
+        String name = null;
+
+        // Remove alt text
+        if (altElement != null) {
+            getElement().removeChild(altElement);
+            altElement = null;
+        }
+
+        // Remove old iframe
+        if (iframe != null) {
+            name = iframe.getAttribute("name");
+            getElement().removeChild(iframe);
+            iframe = null;
+        }
+
+        iframe = Document.get().createIFrameElement();
+        iframe.setSrc(src);
+        iframe.setFrameBorder(0);
+        iframe.setAttribute("width", "100%");
+        iframe.setAttribute("height", "100%");
+        iframe.setAttribute("allowTransparency", "true");
+
+        getElement().appendChild(iframe);
+
+        // Reset old attributes (except src)
+        if (name != null) {
+            iframe.setName(name);
+        }
+
+        return iframe;
+    }
+
+    protected void createAltTextElement() {
+        if (iframe != null) {
+            return;
+        }
+
+        if (altElement == null) {
+            altElement = Document.get().createSpanElement();
+            getElement().appendChild(altElement);
+        }
+
+        if (altText != null) {
+            altElement.setInnerText(altText);
+        } else {
+            altElement.setInnerText("");
+        }
+    }
+
+    public void setAlternateText(String altText) {
+        if (this.altText != altText) {
+            this.altText = altText;
+            if (altElement != null) {
+                if (altText != null) {
+                    altElement.setInnerText(altText);
+                } else {
+                    altElement.setInnerText("");
+                }
+            }
+        }
+    }
+
+    /**
+     * Set the source (the "src" attribute) of iframe. Will replace old iframe
+     * with new.
+     * 
+     * @param source
+     *            Source of iframe.
+     */
+    public void setSource(String source) {
+
+        if (source == null) {
+            if (iframe != null) {
+                getElement().removeChild(iframe);
+                iframe = null;
+            }
+            createAltTextElement();
+            setAlternateText(altText);
+            return;
+        }
+
+        if (iframe == null || iframe.getSrc() != source) {
+            createIFrameElement(source);
+        }
+    }
+
+    public void setName(String name) {
+        if (iframe != null) {
+            iframe.setName(name);
+        }
+    }
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/flash/FlashConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/flash/FlashConnector.java
new file mode 100644
index 0000000000..a9e7a71013
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/flash/FlashConnector.java
@@ -0,0 +1,44 @@
+package com.vaadin.terminal.gwt.client.ui.flash;
+
+import com.vaadin.shared.ui.Connect;
+import com.vaadin.shared.ui.flash.FlashState;
+import com.vaadin.terminal.gwt.client.communication.StateChangeEvent;
+import com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector;
+
+@Connect(com.vaadin.ui.Flash.class)
+public class FlashConnector extends AbstractComponentConnector {
+
+    @Override
+    protected void init() {
+        super.init();
+    }
+
+    @Override
+    public VFlash getWidget() {
+        return (VFlash) super.getWidget();
+    }
+
+    @Override
+    public FlashState getState() {
+        return (FlashState) super.getState();
+    }
+
+    @Override
+    public void onStateChanged(StateChangeEvent stateChangeEvent) {
+
+        super.onStateChanged(stateChangeEvent);
+
+        getWidget().setSource(
+                getState().getSource() != null ? getState().getSource()
+                        .getURL() : null);
+        getWidget().setArchive(getState().getArchive());
+        getWidget().setClassId(getState().getClassId());
+        getWidget().setCodebase(getState().getCodebase());
+        getWidget().setCodetype(getState().getCodetype());
+        getWidget().setStandby(getState().getStandby());
+        getWidget().setAlternateText(getState().getAlternateText());
+        getWidget().setEmbedParams(getState().getEmbedParams());
+
+        getWidget().rebuildIfNeeded();
+    }
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/flash/VFlash.java b/client/src/com/vaadin/terminal/gwt/client/ui/flash/VFlash.java
new file mode 100644
index 0000000000..5d60dc66aa
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/flash/VFlash.java
@@ -0,0 +1,228 @@
+package com.vaadin.terminal.gwt.client.ui.flash;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import com.google.gwt.user.client.ui.HTML;
+import com.vaadin.terminal.gwt.client.Util;
+
+public class VFlash extends HTML {
+
+    protected String source;
+    protected String altText;
+    protected String classId;
+    protected String codebase;
+    protected String codetype;
+    protected String standby;
+    protected String archive;
+    protected Map<String, String> embedParams = new HashMap<String, String>();
+    protected boolean needsRebuild = false;
+    protected String width;
+    protected String height;
+
+    public VFlash() {
+        setStylePrimaryName("v-flash");
+    }
+
+    public void setSource(String source) {
+        if (this.source != source) {
+            this.source = source;
+            needsRebuild = true;
+        }
+    }
+
+    public void setAlternateText(String altText) {
+        if (this.altText != altText) {
+            this.altText = altText;
+            needsRebuild = true;
+        }
+    }
+
+    public void setClassId(String classId) {
+        if (this.classId != classId) {
+            this.classId = classId;
+            needsRebuild = true;
+        }
+    }
+
+    public void setCodebase(String codebase) {
+        if (this.codebase != codebase) {
+            this.codebase = codebase;
+            needsRebuild = true;
+        }
+    }
+
+    public void setCodetype(String codetype) {
+        if (this.codetype != codetype) {
+            this.codetype = codetype;
+            needsRebuild = true;
+        }
+    }
+
+    public void setStandby(String standby) {
+        if (this.standby != standby) {
+            this.standby = standby;
+            needsRebuild = true;
+        }
+    }
+
+    public void setArchive(String archive) {
+        if (this.archive != archive) {
+            this.archive = archive;
+            needsRebuild = true;
+        }
+    }
+
+    /**
+     * Call this after changing values of widget. It will rebuild embedding
+     * structure if needed.
+     */
+    public void rebuildIfNeeded() {
+        if (needsRebuild) {
+            needsRebuild = false;
+            this.setHTML(createFlashEmbed());
+        }
+    }
+
+    @Override
+    public void setWidth(String width) {
+        // super.setWidth(height);
+
+        if (this.width != width) {
+            this.width = width;
+            needsRebuild = true;
+        }
+    }
+
+    @Override
+    public void setHeight(String height) {
+        // super.setHeight(height);
+
+        if (this.height != height) {
+            this.height = height;
+            needsRebuild = true;
+        }
+    }
+
+    public void setEmbedParams(Map<String, String> params) {
+        if (params == null) {
+            if (!embedParams.isEmpty()) {
+                embedParams.clear();
+                needsRebuild = true;
+            }
+            return;
+        }
+
+        if (!embedParams.equals(params)) {
+            embedParams = new HashMap<String, String>(params);
+            needsRebuild = true;
+        }
+    }
+
+    protected String createFlashEmbed() {
+        /*
+         * To ensure cross-browser compatibility we are using the twice-cooked
+         * method to embed flash i.e. we add a OBJECT tag for IE ActiveX and
+         * inside it a EMBED for all other browsers.
+         */
+
+        StringBuilder html = new StringBuilder();
+
+        // Start the object tag
+        html.append("<object ");
+
+        /*
+         * Add classid required for ActiveX to recognize the flash. This is a
+         * predefined value which ActiveX recognizes and must be the given
+         * value. More info can be found on
+         * http://kb2.adobe.com/cps/415/tn_4150.html. Allow user to override
+         * this by setting his own classid.
+         */
+        if (classId != null) {
+            html.append("classid=\"" + Util.escapeAttribute(classId) + "\" ");
+        } else {
+            html.append("classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" ");
+        }
+
+        /*
+         * Add codebase required for ActiveX and must be exactly this according
+         * to http://kb2.adobe.com/cps/415/tn_4150.html to work with the above
+         * given classid. Again, see more info on
+         * http://kb2.adobe.com/cps/415/tn_4150.html. Limiting Flash version to
+         * 6.0.0.0 and above. Allow user to override this by setting his own
+         * codebase
+         */
+        if (codebase != null) {
+            html.append("codebase=\"" + Util.escapeAttribute(codebase) + "\" ");
+        } else {
+            html.append("codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0\" ");
+        }
+
+        // Add width and height
+        html.append("width=\"" + Util.escapeAttribute(width) + "\" ");
+        html.append("height=\"" + Util.escapeAttribute(height) + "\" ");
+        html.append("type=\"application/x-shockwave-flash\" ");
+
+        // Codetype
+        if (codetype != null) {
+            html.append("codetype=\"" + Util.escapeAttribute(codetype) + "\" ");
+        }
+
+        // Standby
+        if (standby != null) {
+            html.append("standby=\"" + Util.escapeAttribute(standby) + "\" ");
+        }
+
+        // Archive
+        if (archive != null) {
+            html.append("archive=\"" + Util.escapeAttribute(archive) + "\" ");
+        }
+
+        // End object tag
+        html.append(">");
+
+        // Ensure we have an movie parameter
+        if (embedParams.get("movie") == null) {
+            embedParams.put("movie", source);
+        }
+
+        // Add parameters to OBJECT
+        for (String name : embedParams.keySet()) {
+            html.append("<param ");
+            html.append("name=\"" + Util.escapeAttribute(name) + "\" ");
+            html.append("value=\""
+                    + Util.escapeAttribute(embedParams.get(name)) + "\" ");
+            html.append("/>");
+        }
+
+        // Build inner EMBED tag
+        html.append("<embed ");
+        html.append("src=\"" + Util.escapeAttribute(source) + "\" ");
+        html.append("width=\"" + Util.escapeAttribute(width) + "\" ");
+        html.append("height=\"" + Util.escapeAttribute(height) + "\" ");
+        html.append("type=\"application/x-shockwave-flash\" ");
+
+        // Add the parameters to the Embed
+        for (String name : embedParams.keySet()) {
+            html.append(Util.escapeAttribute(name));
+            html.append("=");
+            html.append("\"" + Util.escapeAttribute(embedParams.get(name))
+                    + "\"");
+        }
+
+        // End embed tag
+        html.append("></embed>");
+
+        if (altText != null) {
+            html.append("<noembed>");
+            html.append(altText);
+            html.append("</noembed>");
+        }
+
+        // End object tag
+        html.append("</object>");
+
+        return html.toString();
+    }
+
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/image/ImageConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/image/ImageConnector.java
new file mode 100644
index 0000000000..d36e224a03
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/image/ImageConnector.java
@@ -0,0 +1,67 @@
+package com.vaadin.terminal.gwt.client.ui.image;
+
+import com.google.gwt.dom.client.NativeEvent;
+import com.google.gwt.event.dom.client.LoadEvent;
+import com.google.gwt.event.dom.client.LoadHandler;
+import com.vaadin.shared.MouseEventDetails;
+import com.vaadin.shared.ui.Connect;
+import com.vaadin.shared.ui.image.ImageServerRpc;
+import com.vaadin.shared.ui.image.ImageState;
+import com.vaadin.terminal.gwt.client.communication.RpcProxy;
+import com.vaadin.terminal.gwt.client.communication.StateChangeEvent;
+import com.vaadin.terminal.gwt.client.ui.AbstractComponentConnector;
+import com.vaadin.terminal.gwt.client.ui.ClickEventHandler;
+
+@Connect(com.vaadin.ui.Image.class)
+public class ImageConnector extends AbstractComponentConnector {
+
+    ImageServerRpc rpc;
+
+    @Override
+    protected void init() {
+        super.init();
+        rpc = RpcProxy.create(ImageServerRpc.class, this);
+        getWidget().addHandler(new LoadHandler() {
+
+            @Override
+            public void onLoad(LoadEvent event) {
+                getLayoutManager().setNeedsMeasure(ImageConnector.this);
+            }
+
+        }, LoadEvent.getType());
+    }
+
+    @Override
+    public VImage getWidget() {
+        return (VImage) super.getWidget();
+    }
+
+    @Override
+    public ImageState getState() {
+        return (ImageState) super.getState();
+    }
+
+    @Override
+    public void onStateChanged(StateChangeEvent stateChangeEvent) {
+        super.onStateChanged(stateChangeEvent);
+
+        clickEventHandler.handleEventHandlerRegistration();
+
+        getWidget().setUrl(
+                getState().getSource() != null ? getState().getSource()
+                        .getURL() : null);
+        getWidget().setAltText(getState().getAlternateText());
+    }
+
+    protected final ClickEventHandler clickEventHandler = new ClickEventHandler(
+            this) {
+
+        @Override
+        protected void fireClick(NativeEvent event,
+                MouseEventDetails mouseDetails) {
+            rpc.click(mouseDetails);
+        }
+
+    };
+
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/image/VImage.java b/client/src/com/vaadin/terminal/gwt/client/ui/image/VImage.java
new file mode 100644
index 0000000000..7e6b77ed4a
--- /dev/null
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/image/VImage.java
@@ -0,0 +1,10 @@
+package com.vaadin.terminal.gwt.client.ui.image;
+
+import com.google.gwt.user.client.ui.Image;
+
+public class VImage extends Image {
+
+    public VImage() {
+        setStylePrimaryName("v-image");
+    }
+}
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/label/LabelConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/label/LabelConnector.java
index 4280db8bc9..57f8c16952 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/label/LabelConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/label/LabelConnector.java
@@ -43,10 +43,10 @@ public class LabelConnector extends AbstractComponentConnector {
     public void onStateChanged(StateChangeEvent stateChangeEvent) {
         super.onStateChanged(stateChangeEvent);
         boolean sinkOnloads = false;
-        switch (getState().getContentMode()) {
+        switch (getState().contentMode) {
         case PREFORMATTED:
             PreElement preElement = Document.get().createPreElement();
-            preElement.setInnerText(getState().getText());
+            preElement.setInnerText(getState().text);
             // clear existing content
             getWidget().setHTML("");
             // add preformatted text to dom
@@ -54,14 +54,14 @@ public class LabelConnector extends AbstractComponentConnector {
             break;
 
         case TEXT:
-            getWidget().setText(getState().getText());
+            getWidget().setText(getState().text);
             break;
 
         case XHTML:
         case RAW:
             sinkOnloads = true;
         case XML:
-            getWidget().setHTML(getState().getText());
+            getWidget().setHTML(getState().text);
             break;
         default:
             getWidget().setText("");
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/notification/VNotification.java b/client/src/com/vaadin/terminal/gwt/client/ui/notification/VNotification.java
index 6e253c9137..b668c9a88c 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/notification/VNotification.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/notification/VNotification.java
@@ -29,7 +29,8 @@ import com.google.gwt.user.client.Event;
 import com.google.gwt.user.client.Timer;
 import com.google.gwt.user.client.ui.HTML;
 import com.google.gwt.user.client.ui.Widget;
-import com.vaadin.shared.ui.root.RootConstants;
+import com.vaadin.shared.Position;
+import com.vaadin.shared.ui.ui.UIConstants;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
 import com.vaadin.terminal.gwt.client.BrowserInfo;
 import com.vaadin.terminal.gwt.client.UIDL;
@@ -38,13 +39,13 @@ import com.vaadin.terminal.gwt.client.ui.VOverlay;
 
 public class VNotification extends VOverlay {
 
-    public static final int CENTERED = 1;
-    public static final int CENTERED_TOP = 2;
-    public static final int CENTERED_BOTTOM = 3;
-    public static final int TOP_LEFT = 4;
-    public static final int TOP_RIGHT = 5;
-    public static final int BOTTOM_LEFT = 6;
-    public static final int BOTTOM_RIGHT = 7;
+    public static final Position CENTERED = Position.MIDDLE_CENTER;
+    public static final Position CENTERED_TOP = Position.TOP_CENTER;
+    public static final Position CENTERED_BOTTOM = Position.BOTTOM_CENTER;
+    public static final Position TOP_LEFT = Position.TOP_LEFT;
+    public static final Position TOP_RIGHT = Position.TOP_RIGHT;
+    public static final Position BOTTOM_LEFT = Position.BOTTOM_LEFT;
+    public static final Position BOTTOM_RIGHT = Position.BOTTOM_RIGHT;
 
     public static final int DELAY_FOREVER = -1;
     public static final int DELAY_NONE = 0;
@@ -144,21 +145,21 @@ public class VNotification extends VOverlay {
         show(CENTERED, style);
     }
 
-    public void show(int position) {
+    public void show(com.vaadin.shared.Position position) {
         show(position, null);
     }
 
-    public void show(Widget widget, int position, String style) {
+    public void show(Widget widget, Position position, String style) {
         setWidget(widget);
         show(position, style);
     }
 
-    public void show(String html, int position, String style) {
+    public void show(String html, Position position, String style) {
         setWidget(new HTML(html));
         show(position, style);
     }
 
-    public void show(int position, String style) {
+    public void show(Position position, String style) {
         setOpacity(getElement(), startOpacity);
         if (style != null) {
             temporaryStyle = style;
@@ -231,7 +232,7 @@ public class VNotification extends VOverlay {
         }
     }
 
-    public void setPosition(int position) {
+    public void setPosition(com.vaadin.shared.Position position) {
         final Element el = getElement();
         DOM.setStyleAttribute(el, "top", "");
         DOM.setStyleAttribute(el, "left", "");
@@ -260,17 +261,17 @@ public class VNotification extends VOverlay {
             DOM.setStyleAttribute(el, "bottom", "0px");
             DOM.setStyleAttribute(el, "left", "0px");
             break;
-        case CENTERED_TOP:
+        case TOP_CENTER:
             center();
             DOM.setStyleAttribute(el, "top", "0px");
             break;
-        case CENTERED_BOTTOM:
+        case BOTTOM_CENTER:
             center();
             DOM.setStyleAttribute(el, "top", "");
             DOM.setStyleAttribute(el, "bottom", "0px");
             break;
         default:
-        case CENTERED:
+        case MIDDLE_CENTER:
             center();
             break;
         }
@@ -383,19 +384,19 @@ public class VNotification extends VOverlay {
     public static void showNotification(ApplicationConnection client,
             final UIDL notification) {
         boolean onlyPlainText = notification
-                .hasAttribute(RootConstants.NOTIFICATION_HTML_CONTENT_NOT_ALLOWED);
+                .hasAttribute(UIConstants.NOTIFICATION_HTML_CONTENT_NOT_ALLOWED);
         String html = "";
         if (notification
-                .hasAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_ICON)) {
+                .hasAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_ICON)) {
             final String parsedUri = client
                     .translateVaadinUri(notification
-                            .getStringAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_ICON));
+                            .getStringAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_ICON));
             html += "<img src=\"" + Util.escapeAttribute(parsedUri) + "\" />";
         }
         if (notification
-                .hasAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_CAPTION)) {
+                .hasAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_CAPTION)) {
             String caption = notification
-                    .getStringAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_CAPTION);
+                    .getStringAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_CAPTION);
             if (onlyPlainText) {
                 caption = Util.escapeHTML(caption);
                 caption = caption.replaceAll("\\n", "<br />");
@@ -403,9 +404,9 @@ public class VNotification extends VOverlay {
             html += "<h1>" + caption + "</h1>";
         }
         if (notification
-                .hasAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_MESSAGE)) {
+                .hasAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_MESSAGE)) {
             String message = notification
-                    .getStringAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_MESSAGE);
+                    .getStringAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_MESSAGE);
             if (onlyPlainText) {
                 message = Util.escapeHTML(message);
                 message = message.replaceAll("\\n", "<br />");
@@ -414,13 +415,16 @@ public class VNotification extends VOverlay {
         }
 
         final String style = notification
-                .hasAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_STYLE) ? notification
-                .getStringAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_STYLE)
+                .hasAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_STYLE) ? notification
+                .getStringAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_STYLE)
                 : null;
-        final int position = notification
-                .getIntAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_POSITION);
+
+        final int pos = notification
+                .getIntAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_POSITION);
+        Position position = Position.values()[pos];
+
         final int delay = notification
-                .getIntAttribute(RootConstants.ATTRIBUTE_NOTIFICATION_DELAY);
+                .getIntAttribute(UIConstants.ATTRIBUTE_NOTIFICATION_DELAY);
         createNotification(delay).show(html, position, style);
     }
 
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/slider/SliderConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/slider/SliderConnector.java
index 7e0617b7dc..53f3b8874b 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/slider/SliderConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/slider/SliderConnector.java
@@ -15,70 +15,61 @@
  */
 package com.vaadin.terminal.gwt.client.ui.slider;
 
-import com.google.gwt.core.client.Scheduler;
-import com.google.gwt.user.client.Command;
+import com.google.gwt.event.logical.shared.ValueChangeEvent;
+import com.google.gwt.event.logical.shared.ValueChangeHandler;
 import com.vaadin.shared.ui.Connect;
-import com.vaadin.terminal.gwt.client.ApplicationConnection;
-import com.vaadin.terminal.gwt.client.Paintable;
-import com.vaadin.terminal.gwt.client.UIDL;
+import com.vaadin.shared.ui.slider.SliderServerRpc;
+import com.vaadin.shared.ui.slider.SliderState;
+import com.vaadin.terminal.gwt.client.communication.RpcProxy;
+import com.vaadin.terminal.gwt.client.communication.StateChangeEvent;
 import com.vaadin.terminal.gwt.client.ui.AbstractFieldConnector;
 import com.vaadin.ui.Slider;
 
 @Connect(Slider.class)
 public class SliderConnector extends AbstractFieldConnector implements
-        Paintable {
+        ValueChangeHandler<Double> {
 
-    @Override
-    public void updateFromUIDL(UIDL uidl, ApplicationConnection client) {
-
-        getWidget().client = client;
-        getWidget().id = uidl.getId();
-
-        if (!isRealUpdate(uidl)) {
-            return;
-        }
+    protected SliderServerRpc rpc = RpcProxy
+            .create(SliderServerRpc.class, this);
 
-        getWidget().immediate = getState().isImmediate();
-        getWidget().disabled = !isEnabled();
-        getWidget().readonly = isReadOnly();
+    @Override
+    public void init() {
+        super.init();
+        getWidget().setConnection(getConnection());
+        getWidget().addValueChangeHandler(this);
+    }
 
-        getWidget().vertical = uidl.hasAttribute("vertical");
+    @Override
+    public VSlider getWidget() {
+        return (VSlider) super.getWidget();
+    }
 
-        // TODO should style names be used?
+    @Override
+    public SliderState getState() {
+        return (SliderState) super.getState();
+    }
 
-        if (getWidget().vertical) {
-            getWidget().addStyleName(VSlider.CLASSNAME + "-vertical");
-        } else {
-            getWidget().removeStyleName(VSlider.CLASSNAME + "-vertical");
-        }
+    @Override
+    public void onValueChange(ValueChangeEvent<Double> event) {
+        rpc.valueChanged(event.getValue());
+    }
 
-        getWidget().min = uidl.getDoubleAttribute("min");
-        getWidget().max = uidl.getDoubleAttribute("max");
-        getWidget().resolution = uidl.getIntAttribute("resolution");
-        getWidget().value = new Double(uidl.getDoubleVariable("value"));
+    @Override
+    public void onStateChanged(StateChangeEvent stateChangeEvent) {
+        super.onStateChanged(stateChangeEvent);
 
-        getWidget().setFeedbackValue(getWidget().value);
+        getWidget().setId(getConnectorId());
+        getWidget().setImmediate(getState().isImmediate());
+        getWidget().setDisabled(!isEnabled());
+        getWidget().setReadOnly(isReadOnly());
+        getWidget().setOrientation(getState().getOrientation());
+        getWidget().setMinValue(getState().getMinValue());
+        getWidget().setMaxValue(getState().getMaxValue());
+        getWidget().setResolution(getState().getResolution());
+        getWidget().setValue(getState().getValue(), false);
+        getWidget().setFeedbackValue(getState().getValue());
 
         getWidget().buildBase();
-
-        if (!getWidget().vertical) {
-            // Draw handle with a delay to allow base to gain maximum width
-            Scheduler.get().scheduleDeferred(new Command() {
-                @Override
-                public void execute() {
-                    getWidget().buildHandle();
-                    getWidget().setValue(getWidget().value, false);
-                }
-            });
-        } else {
-            getWidget().buildHandle();
-            getWidget().setValue(getWidget().value, false);
-        }
-    }
-
-    @Override
-    public VSlider getWidget() {
-        return (VSlider) super.getWidget();
     }
 
 }
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/slider/VSlider.java b/client/src/com/vaadin/terminal/gwt/client/ui/slider/VSlider.java
index 9667522eb3..d9801626b4 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/slider/VSlider.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/slider/VSlider.java
@@ -19,12 +19,17 @@ package com.vaadin.terminal.gwt.client.ui.slider;
 import com.google.gwt.core.client.Scheduler;
 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
 import com.google.gwt.event.dom.client.KeyCodes;
+import com.google.gwt.event.logical.shared.ValueChangeEvent;
+import com.google.gwt.event.logical.shared.ValueChangeHandler;
+import com.google.gwt.event.shared.HandlerRegistration;
 import com.google.gwt.user.client.Command;
 import com.google.gwt.user.client.DOM;
 import com.google.gwt.user.client.Element;
 import com.google.gwt.user.client.Event;
 import com.google.gwt.user.client.Window;
 import com.google.gwt.user.client.ui.HTML;
+import com.google.gwt.user.client.ui.HasValue;
+import com.vaadin.shared.ui.slider.SliderOrientation;
 import com.vaadin.terminal.gwt.client.ApplicationConnection;
 import com.vaadin.terminal.gwt.client.BrowserInfo;
 import com.vaadin.terminal.gwt.client.ContainerResizedListener;
@@ -36,7 +41,7 @@ import com.vaadin.terminal.gwt.client.ui.VLazyExecutor;
 import com.vaadin.terminal.gwt.client.ui.VOverlay;
 
 public class VSlider extends SimpleFocusablePanel implements Field,
-        ContainerResizedListener {
+        ContainerResizedListener, HasValue<Double> {
 
     public static final String CLASSNAME = "v-slider";
 
@@ -46,20 +51,22 @@ public class VSlider extends SimpleFocusablePanel implements Field,
      */
     private static final int MIN_SIZE = 50;
 
-    ApplicationConnection client;
+    protected ApplicationConnection client;
 
-    String id;
+    protected String id;
 
-    boolean immediate;
-    boolean disabled;
-    boolean readonly;
+    protected boolean immediate;
+    protected boolean disabled;
+    protected boolean readonly;
 
     private int acceleration = 1;
-    double min;
-    double max;
-    int resolution;
-    Double value;
-    boolean vertical;
+    protected double min;
+    protected double max;
+    protected int resolution;
+    protected Double value;
+    protected SliderOrientation orientation = SliderOrientation.HORIZONTAL;
+
+    private boolean valueChangeHandlerInitialized = false;
 
     private final HTML feedback = new HTML("", false);
     private final VOverlay feedbackPopup = new VOverlay(true, false, true) {
@@ -92,7 +99,7 @@ public class VSlider extends SimpleFocusablePanel implements Field,
 
                 @Override
                 public void execute() {
-                    updateValueToServer();
+                    fireValueChanged();
                     acceleration = 1;
                 }
             });
@@ -137,7 +144,7 @@ public class VSlider extends SimpleFocusablePanel implements Field,
     }
 
     private void updateFeedbackPosition() {
-        if (vertical) {
+        if (isVertical()) {
             feedbackPopup.setPopupPosition(
                     DOM.getAbsoluteLeft(handle) + handle.getOffsetWidth(),
                     DOM.getAbsoluteTop(handle) + handle.getOffsetHeight() / 2
@@ -152,16 +159,17 @@ public class VSlider extends SimpleFocusablePanel implements Field,
     }
 
     void buildBase() {
-        final String styleAttribute = vertical ? "height" : "width";
-        final String oppositeStyleAttribute = vertical ? "width" : "height";
-        final String domProperty = vertical ? "offsetHeight" : "offsetWidth";
+        final String styleAttribute = isVertical() ? "height" : "width";
+        final String oppositeStyleAttribute = isVertical() ? "width" : "height";
+        final String domProperty = isVertical() ? "offsetHeight"
+                : "offsetWidth";
 
         // clear unnecessary opposite style attribute
         DOM.setStyleAttribute(base, oppositeStyleAttribute, "");
 
         final Element p = DOM.getParent(getElement());
         if (DOM.getElementPropertyInt(p, domProperty) > 50) {
-            if (vertical) {
+            if (isVertical()) {
                 setHeight();
             } else {
                 DOM.setStyleAttribute(base, styleAttribute, "");
@@ -176,7 +184,7 @@ public class VSlider extends SimpleFocusablePanel implements Field,
                 public void execute() {
                     final Element p = DOM.getParent(getElement());
                     if (DOM.getElementPropertyInt(p, domProperty) > (MIN_SIZE + 5)) {
-                        if (vertical) {
+                        if (isVertical()) {
                             setHeight();
                         } else {
                             DOM.setStyleAttribute(base, styleAttribute, "");
@@ -188,12 +196,27 @@ public class VSlider extends SimpleFocusablePanel implements Field,
             });
         }
 
+        if (!isVertical()) {
+            // Draw handle with a delay to allow base to gain maximum width
+            Scheduler.get().scheduleDeferred(new Command() {
+                @Override
+                public void execute() {
+                    buildHandle();
+                    setValue(value, false);
+                }
+            });
+        } else {
+            buildHandle();
+            setValue(value, false);
+        }
+
         // TODO attach listeners for focusing and arrow keys
     }
 
     void buildHandle() {
-        final String handleAttribute = vertical ? "marginTop" : "marginLeft";
-        final String oppositeHandleAttribute = vertical ? "marginLeft"
+        final String handleAttribute = isVertical() ? "marginTop"
+                : "marginLeft";
+        final String oppositeHandleAttribute = isVertical() ? "marginLeft"
                 : "marginTop";
 
         DOM.setStyleAttribute(handle, handleAttribute, "0");
@@ -206,59 +229,6 @@ public class VSlider extends SimpleFocusablePanel implements Field,
 
     }
 
-    void setValue(Double value, boolean updateToServer) {
-        if (value == null) {
-            return;
-        }
-
-        if (value < min) {
-            value = min;
-        } else if (value > max) {
-            value = max;
-        }
-
-        // Update handle position
-        final String styleAttribute = vertical ? "marginTop" : "marginLeft";
-        final String domProperty = vertical ? "offsetHeight" : "offsetWidth";
-        final int handleSize = Integer.parseInt(DOM.getElementProperty(handle,
-                domProperty));
-        final int baseSize = Integer.parseInt(DOM.getElementProperty(base,
-                domProperty)) - (2 * BASE_BORDER_WIDTH);
-
-        final int range = baseSize - handleSize;
-        double v = value.doubleValue();
-
-        // Round value to resolution
-        if (resolution > 0) {
-            v = Math.round(v * Math.pow(10, resolution));
-            v = v / Math.pow(10, resolution);
-        } else {
-            v = Math.round(v);
-        }
-        final double valueRange = max - min;
-        double p = 0;
-        if (valueRange > 0) {
-            p = range * ((v - min) / valueRange);
-        }
-        if (p < 0) {
-            p = 0;
-        }
-        if (vertical) {
-            p = range - p;
-        }
-        final double pos = p;
-
-        DOM.setStyleAttribute(handle, styleAttribute, (Math.round(pos)) + "px");
-
-        // Update value
-        this.value = new Double(v);
-        setFeedbackValue(v);
-
-        if (updateToServer) {
-            updateValueToServer();
-        }
-    }
-
     @Override
     public void onBrowserEvent(Event event) {
         if (disabled || readonly) {
@@ -386,7 +356,7 @@ public class VSlider extends SimpleFocusablePanel implements Field,
         final int coord = getEventPosition(event);
 
         final int handleSize, baseSize, baseOffset;
-        if (vertical) {
+        if (isVertical()) {
             handleSize = handle.getOffsetHeight();
             baseSize = base.getOffsetHeight();
             baseOffset = base.getAbsoluteTop() - Window.getScrollTop()
@@ -398,7 +368,7 @@ public class VSlider extends SimpleFocusablePanel implements Field,
                     + handleSize / 2;
         }
 
-        if (vertical) {
+        if (isVertical()) {
             v = ((baseSize - (coord - baseOffset)) / (double) (baseSize - handleSize))
                     * (max - min) + min;
         } else {
@@ -423,7 +393,7 @@ public class VSlider extends SimpleFocusablePanel implements Field,
      * @return
      */
     protected int getEventPosition(Event event) {
-        if (vertical) {
+        if (isVertical()) {
             return Util.getTouchOrMouseClientY(event);
         } else {
             return Util.getTouchOrMouseClientX(event);
@@ -432,7 +402,7 @@ public class VSlider extends SimpleFocusablePanel implements Field,
 
     @Override
     public void iLayout() {
-        if (vertical) {
+        if (isVertical()) {
             setHeight();
         }
         // Update handle position
@@ -451,8 +421,8 @@ public class VSlider extends SimpleFocusablePanel implements Field,
         DOM.setStyleAttribute(base, "overflow", "");
     }
 
-    private void updateValueToServer() {
-        client.updateVariable(id, "value", value.doubleValue(), immediate);
+    private void fireValueChanged() {
+        ValueChangeEvent.fire(VSlider.this, value);
     }
 
     /**
@@ -469,8 +439,8 @@ public class VSlider extends SimpleFocusablePanel implements Field,
             return false;
         }
 
-        if ((keycode == getNavigationUpKey() && vertical)
-                || (keycode == getNavigationRightKey() && !vertical)) {
+        if ((keycode == getNavigationUpKey() && isVertical())
+                || (keycode == getNavigationRightKey() && !isVertical())) {
             if (shift) {
                 for (int a = 0; a < acceleration; a++) {
                     increaseValue(false);
@@ -480,8 +450,8 @@ public class VSlider extends SimpleFocusablePanel implements Field,
                 increaseValue(false);
             }
             return true;
-        } else if (keycode == getNavigationDownKey() && vertical
-                || (keycode == getNavigationLeftKey() && !vertical)) {
+        } else if (keycode == getNavigationDownKey() && isVertical()
+                || (keycode == getNavigationLeftKey() && !isVertical())) {
             if (shift) {
                 for (int a = 0; a < acceleration; a++) {
                     decreaseValue(false);
@@ -539,4 +509,119 @@ public class VSlider extends SimpleFocusablePanel implements Field,
     protected int getNavigationRightKey() {
         return KeyCodes.KEY_RIGHT;
     }
+
+    public void setConnection(ApplicationConnection client) {
+        this.client = client;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public void setImmediate(boolean immediate) {
+        this.immediate = immediate;
+    }
+
+    public void setDisabled(boolean disabled) {
+        this.disabled = disabled;
+    }
+
+    public void setReadOnly(boolean readonly) {
+        this.readonly = readonly;
+    }
+
+    private boolean isVertical() {
+        return orientation == SliderOrientation.VERTICAL;
+    }
+
+    public void setOrientation(SliderOrientation orientation) {
+        if (this.orientation != orientation) {
+            this.orientation = orientation;
+
+            if (isVertical()) {
+                addStyleName(VSlider.CLASSNAME + "-vertical");
+            } else {
+                removeStyleName(VSlider.CLASSNAME + "-vertical");
+            }
+        }
+    }
+
+    public void setMinValue(double value) {
+        min = value;
+    }
+
+    public void setMaxValue(double value) {
+        max = value;
+    }
+
+    public void setResolution(int resolution) {
+        this.resolution = resolution;
+    }
+
+    public HandlerRegistration addValueChangeHandler(
+            ValueChangeHandler<Double> handler) {
+        return addHandler(handler, ValueChangeEvent.getType());
+    }
+
+    public Double getValue() {
+        return value;
+    }
+
+    public void setValue(Double value) {
+        if (value < min) {
+            value = min;
+        } else if (value > max) {
+            value = max;
+        }
+
+        // Update handle position
+        final String styleAttribute = isVertical() ? "marginTop" : "marginLeft";
+        final String domProperty = isVertical() ? "offsetHeight"
+                : "offsetWidth";
+        final int handleSize = Integer.parseInt(DOM.getElementProperty(handle,
+                domProperty));
+        final int baseSize = Integer.parseInt(DOM.getElementProperty(base,
+                domProperty)) - (2 * BASE_BORDER_WIDTH);
+
+        final int range = baseSize - handleSize;
+        double v = value.doubleValue();
+
+        // Round value to resolution
+        if (resolution > 0) {
+            v = Math.round(v * Math.pow(10, resolution));
+            v = v / Math.pow(10, resolution);
+        } else {
+            v = Math.round(v);
+        }
+        final double valueRange = max - min;
+        double p = 0;
+        if (valueRange > 0) {
+            p = range * ((v - min) / valueRange);
+        }
+        if (p < 0) {
+            p = 0;
+        }
+        if (isVertical()) {
+            p = range - p;
+        }
+        final double pos = p;
+
+        DOM.setStyleAttribute(handle, styleAttribute, (Math.round(pos)) + "px");
+
+        // Update value
+        this.value = new Double(v);
+        setFeedbackValue(v);
+    }
+
+    public void setValue(Double value, boolean fireEvents) {
+        if (value == null) {
+            return;
+        }
+
+        setValue(value);
+
+        if (fireEvents) {
+            fireValueChanged();
+        }
+    }
 }
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/splitpanel/AbstractSplitPanelConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/splitpanel/AbstractSplitPanelConnector.java
index 9f4df02380..912f9a7c83 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/splitpanel/AbstractSplitPanelConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/splitpanel/AbstractSplitPanelConnector.java
@@ -138,9 +138,6 @@ public abstract class AbstractSplitPanelConnector extends
         // Splitter updates
         SplitterState splitterState = getState().getSplitterState();
 
-        getWidget().setLocked(splitterState.isLocked());
-        getWidget().setPositionReversed(splitterState.isPositionReversed());
-
         getWidget().setStylenames();
 
         getWidget().minimumPosition = splitterState.getMinPosition()
diff --git a/client/src/com/vaadin/terminal/gwt/client/ui/textarea/TextAreaConnector.java b/client/src/com/vaadin/terminal/gwt/client/ui/textarea/TextAreaConnector.java
index 5fb7f97044..d5abed4fa9 100644
--- a/client/src/com/vaadin/terminal/gwt/client/ui/textarea/TextAreaConnector.java
+++ b/client/src/com/vaadin/terminal/gwt/client/ui/textarea/TextAreaConnector.java
@@ -18,7 +18,6 @@ package com.vaadin.terminal.gwt.client.ui.textarea;
 
 import com.vaadin.shared.ui.Connect;
 import com.vaadin.shared.ui.textarea.TextAreaState;
-import com.vaadin.terminal.gwt.client.communication.StateChangeEvent;
 import com.vaadin.terminal.gwt.client.ui.textfield.TextFieldConnector;
 import com.vaadin.ui.TextArea;
 
@@ -31,14 +30,6 @@ public class TextAreaConnector extends TextFieldConnector {
     }
 
     @Override
-    public void onStateChanged(StateChangeEvent stateChangeEvent) {
-        super.onStateChanged(stateChangeEvent);
-
-        getWidget().setRows(getState().getRows());
-        getWidget().setWordwrap(getState().isWordwrap());
-    }
-
-    @Override
     public VTextArea getWidget() {
         return (VTextArea) super.getWidget();
     }