From 5db7be5357ef1dfe8aebec07fe6e57e6c7b0b4ee Mon Sep 17 00:00:00 2001
From: Dave Borowitz <dborowitz@google.com>
Date: Mon, 19 Sep 2016 22:01:30 +0200
Subject: [PATCH] Add link to GWT UI footer to switch to PolyGerrit

Change-Id: I2377df3c109807fd73880c06e325b1f126546321
---
 .../google/gerrit/client/info/GerritInfo.java  | 18 ++++++++++++++++++
 .../java/com/google/gerrit/client/Gerrit.java  |  9 +++++++++
 .../google/gerrit/client/GerritConstants.java  |  2 ++
 .../gerrit/client/GerritConstants.properties   |  2 ++
 4 files changed, 31 insertions(+)

diff --git a/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/GerritInfo.java b/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/GerritInfo.java
index 750412dd0f..23dbc01b79 100644
--- a/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/GerritInfo.java
+++ b/gerrit-gwtui-common/src/main/java/com/google/gerrit/client/info/GerritInfo.java
@@ -14,8 +14,13 @@
 
 package com.google.gerrit.client.info;
 
+import com.google.gerrit.extensions.client.UiType;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.core.client.JsArrayString;
+
+import java.util.ArrayList;
+import java.util.List;
 
 public class GerritInfo extends JavaScriptObject {
   public final Project.NameKey allProjectsNameKey() {
@@ -42,6 +47,19 @@ public class GerritInfo extends JavaScriptObject {
   public final native String reportBugUrl() /*-{ return this.report_bug_url; }-*/;
   public final native String reportBugText() /*-{ return this.report_bug_text; }-*/;
 
+  private final native JsArrayString _webUis() /*-{ return this.web_uis; }-*/;
+  public final List<UiType> webUis() {
+    JsArrayString webUis = _webUis();
+    List<UiType> result = new ArrayList<>(webUis.length());
+    for (int i = 0; i < webUis.length(); i++) {
+      UiType t = UiType.parse(webUis.get(i));
+      if (t != null) {
+        result.add(t);
+      }
+    }
+    return result;
+  }
+
   protected GerritInfo() {
   }
 }
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java
index d280e077d9..93246cb1d8 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java
@@ -50,6 +50,7 @@ import com.google.gerrit.common.data.SystemInfoService;
 import com.google.gerrit.extensions.client.DiffPreferencesInfo;
 import com.google.gerrit.extensions.client.EditPreferencesInfo;
 import com.google.gerrit.extensions.client.GerritTopMenu;
+import com.google.gerrit.extensions.client.UiType;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gwt.aria.client.Roles;
 import com.google.gwt.core.client.EntryPoint;
@@ -537,6 +538,14 @@ public class Gerrit implements EntryPoint {
 
     btmmenu.add(new InlineHTML(M.poweredBy(vs)));
 
+    if (info().gerrit().webUis().contains(UiType.POLYGERRIT)) {
+      btmmenu.add(new InlineLabel(" | "));
+      Anchor a = new Anchor(
+          C.polyGerrit(), GWT.getHostPageBaseURL() + "?polygerrit=1");
+      a.setStyleName("");
+      btmmenu.add(a);
+    }
+
     String reportBugUrl = info().gerrit().reportBugUrl();
     if (reportBugUrl != null) {
       String reportBugText = info().gerrit().reportBugText();
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.java
index 4c8c58d72b..53d926024a 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.java
@@ -130,4 +130,6 @@ public interface GerritConstants extends Constants {
 
   String searchDropdownChanges();
   String searchDropdownDoc();
+
+  String polyGerrit();
 }
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.properties b/gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.properties
index 10d7e1dddc..d50ab34bb1 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.properties
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/GerritConstants.properties
@@ -113,3 +113,5 @@ stringListPanelDown = Down
 
 searchDropdownChanges = Changes
 searchDropdownDoc = Docs
+
+polyGerrit = PolyGerrit