Add bootstrap performance measuring support (#11188)

svn changeset:25664/svn branch:6.8

Conflicts:
	client/src/com/vaadin/client/ApplicationConnection.java
	uitest/src/com/vaadin/tests/performance/BasicPerformanceTest.java
	uitest/src/com/vaadin/tests/util/TestUtils.java

Change-Id: I699e7b47ad5a62b67dbdf1004da5e5daf009ba25

client/src/com/vaadin/client/ApplicationConnection.java

@@ -16,7 +16,7 @@
 
 package com.vaadin.client;
 
-import java.util.ArrayList; 
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashMap;
@@ -500,6 +500,7 @@ public class ApplicationConnection {
                     ap.@com.vaadin.client.ApplicationConnection::totalProcessingTime
     	        ];
     	    pd = pd.concat(ap.@com.vaadin.client.ApplicationConnection::serverTimingInfo);
+    	    pd[pd.length] = ap.@com.vaadin.client.ApplicationConnection::bootstrapTime;
     	    return pd;
     	});
 
@@ -513,6 +514,16 @@ public class ApplicationConnection {
     	$wnd.vaadin.clients[TTAppId] = client;
     }-*/;
 
+    private static native final int calculateBootstrapTime()
+    /*-{
+        if ($wnd.performance && $wnd.performance.timing) {
+            return (new Date).getTime() - $wnd.performance.timing.responseStart;
+        } else {
+            // performance.timing not supported
+            return -1;
+        }
+    }-*/;
+
     /**
      * Helper for tt initialization
      */
@@ -947,6 +958,15 @@ public class ApplicationConnection {
      */
     protected int totalProcessingTime;
 
+    /**
+     * Holds the time it took to load the page and render the first view. 0
+     * means that this value has not yet been calculated because the first view
+     * has not yet been rendered (or that your browser is very fast). -1 means
+     * that the browser does not support the performance.timing feature used to
+     * get this measurement.
+     */
+    private int bootstrapTime;
+
     /**
      * Holds the timing information from the server-side. How much time was
      * spent servicing the last request and how much time has been spent
@@ -1512,6 +1532,9 @@ public class ApplicationConnection {
                 lastProcessingTime = (int) ((new Date().getTime()) - start
                         .getTime());
                 totalProcessingTime += lastProcessingTime;
+                if (bootstrapTime == 0) {
+                    bootstrapTime = calculateBootstrapTime();
+                }
 
                 VConsole.log(" Processing time was "
                         + String.valueOf(lastProcessingTime) + "ms for "

uitest/src/com/vaadin/tests/performance/BasicPerformanceTest.java

@@ -22,13 +22,14 @@ public class BasicPerformanceTest extends UI {
 
     private int clientLimit;
     private int serverLimit;
+    private boolean reportBootstap = true;
     private String performanceTopic;
     private final Button reportPerformanceButton = new Button(
             "Report some performance", new Button.ClickListener() {
                 @Override
                 public void buttonClick(ClickEvent event) {
                     TestUtils.reportPerformance(performanceTopic, serverLimit,
-                            clientLimit);
+                            clientLimit, reportBootstap);
                     event.getButton().setEnabled(false);
                 }
             });
@@ -37,6 +38,7 @@ public class BasicPerformanceTest extends UI {
     public void init(VaadinRequest request) {
         setContent(buildMainLayout());
         updatePerformanceReporting("first load", 100, 100);
+        reportBootstap = true;
     }
 
     private void updatePerformanceReporting(String performanceTopic,
@@ -47,6 +49,7 @@ public class BasicPerformanceTest extends UI {
         reportPerformanceButton.setCaption("Report performance for "
                 + performanceTopic);
         reportPerformanceButton.setEnabled(true);
+        reportBootstap = false;
     }
 
     private ComponentContainer buildMainLayout() {

uitest/src/com/vaadin/tests/util/TestUtils.java

@@ -120,20 +120,23 @@ public class TestUtils {
     public static void installPerformanceReporting(TextArea targetTextArea) {
         targetTextArea.setId("performanceTestTarget");
         JavaScript
-                .eval("window.reportVaadinPerformance = function(topic, serverLimit, clientLimit) {"
+                .eval("window.reportVaadinPerformance = function(topic, serverLimit, clientLimit, bootstrapTime) {"
                         + "var element = document.getElementById('performanceTestTarget');"
                         + "var text = topic + ': \\n';"
                         + "for(var k in window.vaadin.clients) {"
                         + "var p = window.vaadin.clients[k].getProfilingData();"
                         + "text += ' Server time: ' + (p[3] > serverLimit?'FAIL':'OK') + ' (' + p[3] +')\\n';"
                         + "text += ' Client time: ' + (p[0] > clientLimit?'FAIL':'OK') + ' (' + p[0] +')\\n';"
+                        + "if (bootstrapTime) text += ' Bootstrap time: ' + (p[4] > clientLimit?'FAIL':'OK') + ' (' + p[4] +')\\n';"
                         + "}" + "element.value = text;" + "}");
     }
 
     public static void reportPerformance(String topic, int serverLimit,
-            int totalLimit) {
-        JavaScript.eval("window.reportVaadinPerformance(\"" + topic + "\", "
-                + serverLimit + ", " + totalLimit + ");");
+            int clientLimit, boolean bootstrapTime) {
+        JavaScript
+                .eval("window.reportVaadinPerformance(\"" + topic + "\", "
+                        + serverLimit + ", " + clientLimit + ","
+                        + bootstrapTime + ");");
     }
 
     public static IndexedContainer getISO3166Container() {