Remove GWT UI

Change-Id: I0f3a5b9da224f5fb2f5dd7a997e935f25aa3e6a9

src/main/java/com/googlesource/gerrit/plugins/imagare/HttpModule.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/imagare/HttpModule.java b/src/main/java/com/googlesource/gerrit/plugins/imagare/HttpModule.java
index 627cfd8..f7960e8 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/imagare/HttpModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/imagare/HttpModule.java
@@ -39,10 +39,6 @@
       serveRegex("^" + ImageServlet.PATH_PREFIX + "(.+)?$").with(ImageServlet.class);
     }
 
-    // GWT only
-    DynamicSet.bind(binder(), WebUiPlugin.class).toInstance(new JavaScriptPlugin("imagare.js"));
-
-    // Polymer only
     DynamicSet.bind(binder(), WebUiPlugin.class).toInstance(new JavaScriptPlugin("imagare.html"));
   }
 }

src/main/resources/static/imagare.html

diff --git a/src/main/resources/static/imagare.html b/src/main/resources/static/imagare.html
index 2d2077d..7e3ee3b 100644
--- a/src/main/resources/static/imagare.html
+++ b/src/main/resources/static/imagare.html
@@ -23,8 +23,6 @@
 <dom-module id="imagare">
   <script>
     Gerrit.install(plugin => {
-      if (!window.Polymer) { return; }
-
       plugin.restApi('/config/server/').get('imagare~config').then(config => {
         if (config && config.enable_image_server) {
           plugin.screen('upload', 'gr-imagare-upload');

src/main/resources/static/imagare.js

diff --git a/src/main/resources/static/imagare.js b/src/main/resources/static/imagare.js
deleted file mode 100644
index 779f1b5..0000000
--- a/src/main/resources/static/imagare.js
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright (C) 2014 The Android Open Source Project
-//
-// 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.
-
-Gerrit.install(function(self) {
-
-    if (window.Polymer) { return; }
-
-    // The code below is only used by the GWT-UI
-
-    function onComment(e) {
-      var prefs = getPrefsFromCookie();
-      if (prefs !== null) {
-        convertImageLinks(getLinks(e), prefs);
-      } else {
-        Gerrit.get('/accounts/self/' + self.getPluginName() + '~preference', function(prefs) {
-          storePrefsInCookie(prefs);
-          convertImageLinks(getLinks(e), prefs);
-        });
-      }
-    }
-
-    function getLinks(e) {
-      return e.getElementsByTagName("a");
-    }
-
-    function storePrefsInCookie(prefs) {
-      var date = new Date();
-      date.setTime(date.getTime() + (1 * 24 * 60 * 60 * 1000)); // 1 day
-      document.cookie = getCookieName()
-          + "="
-          + JSON.stringify(prefs)
-          + "; expires=" + date.toGMTString()
-          + "; path=/";
-    }
-
-    function getPrefsFromCookie() {
-      var cookie = document.cookie;
-      if (cookie.length > 0) {
-        var cookieName = getCookieName();
-        var start = cookie.indexOf(cookieName + "=");
-        if (start != -1) {
-            start = start + cookieName.length + 1;
-            var end = document.cookie.indexOf(";", start);
-            if (end == -1) {
-                end = document.cookie.length;
-            }
-            return JSON.parse(unescape(document.cookie.substring(start, end)));
-        }
-      }
-      return null;
-    }
-
-    function getCookieName() {
-      return self.getPluginName() + "~prefs";
-    }
-
-    function convertImageLinks(l, prefs) {
-      if (!prefs.pattern) {
-        return;
-      }
-
-      if ('TOOLTIP' === prefs.link_decoration) {
-        addTooltips(l, prefs.pattern);
-      } else if ('INLINE' === prefs.link_decoration) {
-        inlineImages(l, prefs.pattern);
-      }
-    }
-
-    function inlineImages(l, pattern) {
-      for(var i = 0; i < l.length; i++) {
-        if (l[i].href.match(pattern)) {
-          var a = document.createElement('a');
-          a.setAttribute('href', l[i].href);
-          var img = document.createElement('img');
-          img.setAttribute('src', l[i].href);
-          img.setAttribute('style', 'border: 1px solid #B3B2B2;');
-          a.appendChild(img);
-          l[i].parentNode.replaceChild(a, l[i]);
-        }
-      }
-    }
-
-    function addTooltips(pattern) {
-      for(var i = 0; i < l.length; i++) {
-        if (l[i].href.match(pattern)) {
-          l[i].onmouseover = function (evt) {
-            var img = document.createElement('img');
-            img.setAttribute('src', this.href);
-            img.setAttribute('style', 'border: 1px solid #B3B2B2; position: absolute; top: ' + (this.offsetTop + this.offsetHeight) + 'px');
-            this.parentNode.insertBefore(img, this);
-            this.onmouseout = function (evt) {
-              this.parentNode.removeChild(this.previousSibling);
-            }
-          }
-        }
-      }
-    }
-
-    Gerrit.on('comment', onComment);
-  });