GUACAMOLE-723: Display connection thumbnails for all non-current active connections within the client interface.

guacamole/src/main/webapp/app/client/controllers/clientController.js

@@ -267,6 +267,18 @@ angular.module('client').controller('clientController', ['$scope', '$routeParams
      */
     $scope.client = guacClientManager.getManagedClient($routeParams.id, $routeParams.params);
 
+    /**
+     * All active clients which are not the current client ($scope.client).
+     * Each key is the ID of the connection used by that client.
+     *
+     * @type Object.<String, ManagedClient>
+     */
+    $scope.otherClients = (function getOtherClients(clients) {
+        var otherClients = angular.extend({}, clients);
+        delete otherClients[$scope.client.id];
+        return otherClients;
+    })(guacClientManager.getManagedClients());
+
     /**
      * Map of data source identifier to the root connection group of that data
      * source, or null if the connection group hierarchy has not yet been

guacamole/src/main/webapp/app/client/styles/other-connections.css

@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+#other-connections {
+
+    text-align: right;
+    position: absolute;
+    right: 0;
+    bottom: 0;
+
+    /* Render above modal status */
+    z-index: 20;
+
+}
+
+#other-connections .connection {
+
+    display: inline-block;
+    position: relative;
+
+    margin: 1em;
+    border: 1px solid white;
+    background: black;
+    box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
+
+    opacity: 0.5;
+    transition: opacity 0.25s;
+
+    width: 192px;
+    max-width: 30vw;
+
+}
+
+#other-connections .connection .name {
+
+    position: absolute;
+    padding: 0.25em 0.5em;
+    left: 0;
+    right: 0;
+    bottom: 0;
+
+    text-align: left;
+    color: white;
+    background: rgba(0, 0, 0, 0.5);
+    font-size: 0.75em;
+    font-weight: bold;
+
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+
+}
+
+#other-connections .connection:hover {
+    opacity: 1;
+}

guacamole/src/main/webapp/app/client/templates/client.html

@@ -8,9 +8,21 @@
             <!-- Central portion of view -->
             <div class="client-body" guac-touch-drag="clientDrag" guac-touch-pinch="clientPinch">
 
-                <!-- Client -->
+                <!-- Client for current connection -->
                 <guac-client client="client"></guac-client>
 
+                <!-- All other active connections -->
+                <div id="other-connections">
+                    <div ng-repeat="otherClient in otherClients" class="connection">
+                        <a href="#/client/{{otherClient.id}}">
+                            <div class="thumbnail">
+                                <guac-thumbnail client="otherClient"></guac-thumbnail>
+                            </div>
+                            <div class="name">{{ otherClient.title }}</div>
+                        </a>
+                    </div>
+                </div>
+
             </div>
 
             <!-- Bottom portion of view -->