Implemented poll interval for UI (#11495)

Change-Id: Ic56b0123970f18e282c75d67863569ac55c72ea8

3 files changed, 35 insertions, 0 deletions

diff --git a/shared/src/com/vaadin/shared/communication/MethodInvocation.java b/shared/src/com/vaadin/shared/communication/MethodInvocation.java
index 417ced76be..d5bf8324ef 100644
--- a/shared/src/com/vaadin/shared/communication/MethodInvocation.java
+++ b/shared/src/com/vaadin/shared/communication/MethodInvocation.java
@@ -19,6 +19,8 @@ package com.vaadin.shared.communication;
 import java.io.Serializable;
 import java.util.Arrays;
 
+import com.vaadin.shared.util.SharedUtil;
+
 /**
  * Information needed by the framework to send an RPC method invocation from the
  * client to the server or vice versa.
@@ -85,4 +87,29 @@ public class MethodInvocation implements Serializable {
         return connectorId + "-" + getInterfaceName() + "-" + getMethodName();
     }
 
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof MethodInvocation)) {
+            return false;
+        }
+        MethodInvocation other = (MethodInvocation) obj;
+        if (!SharedUtil.equals(getConnectorId(), other.getConnectorId())) {
+            return false;
+        }
+
+        if (!SharedUtil.equals(getInterfaceName(), other.getInterfaceName())) {
+            return false;
+        }
+
+        if (!SharedUtil.equals(getMethodName(), other.getMethodName())) {
+            return false;
+        }
+
+        if (!SharedUtil.equals(getParameters(), other.getParameters())) {
+            return false;
+        }
+
+        return true;
+
+    }
 }
\ No newline at end of file
diff --git a/shared/src/com/vaadin/shared/ui/ui/UIServerRpc.java b/shared/src/com/vaadin/shared/ui/ui/UIServerRpc.java
index 358ba2e24e..576ee83980 100644
--- a/shared/src/com/vaadin/shared/ui/ui/UIServerRpc.java
+++ b/shared/src/com/vaadin/shared/ui/ui/UIServerRpc.java
@@ -26,4 +26,11 @@ public interface UIServerRpc extends ClickRpc, ServerRpc {
 
     @Delayed(lastOnly = true)
     public void scroll(int scrollTop, int scrollLeft);
+
+    @Delayed(lastOnly = true)
+    /*
+     * @Delayed just to get lastOnly semantics, sendPendingVariableChanges()
+     * should always be called to ensure the message is flushed right away.
+     */
+    public void poll();
 }
\ No newline at end of file
diff --git a/shared/src/com/vaadin/shared/ui/ui/UIState.java b/shared/src/com/vaadin/shared/ui/ui/UIState.java
index d5ee4c30e6..fbb6427c6f 100644
--- a/shared/src/com/vaadin/shared/ui/ui/UIState.java
+++ b/shared/src/com/vaadin/shared/ui/ui/UIState.java
@@ -22,6 +22,7 @@ import com.vaadin.shared.ui.TabIndexState;
 public class UIState extends TabIndexState {
     public TooltipConfiguration tooltipConfiguration = new TooltipConfiguration();
     public LoadingIndicatorConfiguration loadingIndicatorConfiguration = new LoadingIndicatorConfiguration();
+    public int pollInterval = -1;
 
     public static class LoadingIndicatorConfiguration implements Serializable {
         public int initialDelay = 300;