GUACAMOLE-723: Organize other active connections within collapsible panel.

guacamole/src/main/webapp/app/client/directives/guacClientPanel.js

@@ -0,0 +1,87 @@
+/*
+ * 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.
+ */
+
+/**
+ * A toolbar/panel which displays a list of active Guacamole connections. The
+ * panel is fixed to the bottom-right corner of its container and can be
+ * manually hidden/exposed by the user.
+ */
+angular.module('client').directive('guacClientPanel', [function guacClientPanel() {
+
+    return {
+        // Element only
+        restrict: 'E',
+        replace: true,
+        scope: {
+
+            /**
+             * The ManagedClient instances associated with the active
+             * connections to be displayed within this panel.
+             * 
+             * @type ManagedClient[]
+             */
+            clients : '='
+            
+        },
+        templateUrl: 'app/client/templates/guacClientPanel.html',
+        controller: ['$scope', '$element', function guacClientPanelController($scope, $element) {
+
+            /**
+             * The DOM element containing the scrollable portion of the client
+             * panel.
+             *
+             * @type Element
+             */
+            var scrollableArea = $element.find('.client-panel-connection-list')[0];
+
+            /**
+             * Whether the client panel is currently hidden. When hidden, the
+             * panel will be collapsed against the right side of the
+             * containiner.
+             *
+             * @type Boolean
+             */
+            $scope.panelHidden = false;
+
+            /**
+             * Toggles whether the client panel is currently hidden.
+             */
+            $scope.togglePanel = function togglePanel() {
+                $scope.panelHidden = !$scope.panelHidden;
+            };
+
+            // Override vertical scrolling, scrolling horizontally instead
+            scrollableArea.addEventListener('wheel', function reorientVerticalScroll(e) {
+
+                var deltaMultiplier = {
+                    /* DOM_DELTA_PIXEL */ 0x00: 1,
+                    /* DOM_DELTA_LINE  */ 0x01: 15,
+                    /* DOM_DELTA_PAGE  */ 0x02: scrollableArea.offsetWidth
+                };
+
+                if (e.deltaY) {
+                    this.scrollLeft += e.deltaY * (deltaMultiplier[e.deltaMode] || deltaMultiplier(0x01));
+                    e.preventDefault();
+                }
+
+            });
+
+        }]
+    };
+}]);

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

@@ -19,22 +19,74 @@
 
 #other-connections {
 
-    text-align: right;
-    position: absolute;
-    right: 0;
-    bottom: 0;
-
     /* Render above modal status */
     z-index: 20;
 
 }
 
-#other-connections .connection {
+#other-connections .client-panel {
+
+    position: absolute;
+    right: 0;
+    bottom: 0;
+
+    border: 1px solid rgba(255, 255, 255, 0.25);
+    background: rgba(0, 0, 0, 0.25);
+    max-width: 100%;
+    white-space: nowrap;
+    transition: max-width 0.125s, width 0.125s;
+
+}
+
+#other-connections .client-panel.hidden {
+    max-width: 16px;
+}
+
+#other-connections .client-panel-handle {
+
+    position: absolute;
+    left: 0;
+    bottom: 0;
+    height: 100%;
+    width: 16px;
+    z-index: 1;
+
+    background-color: white;
+    background-repeat: no-repeat;
+    background-size: contain;
+    background-position: center center;
+    background-image: url(images/arrows/right.png);
+    opacity: 0.5;
+
+}
+
+#other-connections .client-panel-handle:hover {
+    opacity: 0.75;
+}
+
+#other-connections .client-panel.hidden .client-panel-handle {
+    background-image: url(images/arrows/left.png);
+}
+
+#other-connections .client-panel-connection-list {
+
+    text-align: right;
+
+    margin: 0;
+    padding: 0;
+    padding-left: 16px;
+
+    overflow-x: auto;
+    overflow-y: hidden;
+
+}
+
+#other-connections .client-panel-connection {
 
     display: inline-block;
     position: relative;
 
-    margin: 1em;
+    margin: 0.5em;
     border: 1px solid white;
     background: black;
     box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
@@ -47,7 +99,7 @@
 
 }
 
-#other-connections .connection .name {
+#other-connections .client-panel-connection .name {
 
     position: absolute;
     padding: 0.25em 0.5em;
@@ -67,6 +119,6 @@
 
 }
 
-#other-connections .connection:hover {
+#other-connections .client-panel-connection:hover {
     opacity: 1;
 }

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

@@ -13,14 +13,7 @@
 
                 <!-- 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>
+                    <guac-client-panel clients="otherClients"></guac-client-panel>
                 </div>
 
             </div>

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

@@ -0,0 +1,13 @@
+<div class="client-panel" ng-class="{ 'hidden' : panelHidden }">
+    <div class="client-panel-handle" ng-click="togglePanel()"></div>
+    <ul class="client-panel-connection-list">
+        <li ng-repeat="client in clients" class="client-panel-connection">
+            <a href="#/client/{{client.id}}">
+                <div class="thumbnail">
+                    <guac-thumbnail client="client"></guac-thumbnail>
+                </div>
+                <div class="name">{{ client.title }}</div>
+            </a>
+        </li>
+    </ul>
+</div>