[ONOS-5523]ProtectedIntentsOverlay

Change-Id: Ief409aacf7e82655881f658718ac0ca50a3c8cc9
diff --git a/web/gui/src/main/webapp/app/view/topo/topoProtectedIntent.js b/web/gui/src/main/webapp/app/view/topo/topoProtectedIntent.js
new file mode 100644
index 0000000..20193dd
--- /dev/null
+++ b/web/gui/src/main/webapp/app/view/topo/topoProtectedIntent.js
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/*
+ ONOS GUI -- Topology Protected Intents Module.
+ Defines behavior for viewing protected intents .
+ */
+
+(function () {
+    'use strict';
+
+    // injected refs
+    var $log, fs, flash, wss, api;
+
+    // internal state
+    var showingProtectedIntent = null;
+
+    // === -------------------------------------------------------------
+    //  protected intent requests invoked from keystrokes or toolbar buttons...
+
+    function cancelHighlights() {
+        if (!showingProtectedIntent) {
+            return false;
+        }
+
+        showingProtectedIntent = false;
+        wss.sendEvent('cancelProtectedIntentHighlight');
+        flash.flash('Monitoring canceled');
+        return true;
+    }
+
+    // force the system to create a single intent selection
+    function showProtectedIntent(data) {
+        wss.sendEvent('selectProtectedIntent', data);
+        flash.flash('Selecting Intent ' + data.key);
+        showingProtectedIntent = true;
+    }
+
+    // === -----------------------------------------------------
+    // === MODULE DEFINITION ===
+
+    angular.module('ovTopo')
+    .factory('TopoProtectedIntentsService',
+        ['$log', 'FnService', 'FlashService', 'WebSocketService',
+
+        function (_$log_, _fs_, _flash_, _wss_) {
+            $log = _$log_;
+            fs = _fs_;
+            flash = _flash_;
+            wss = _wss_;
+
+            return {
+                initProtectedIntents: function (_api_) { api = _api_; },
+                destroyProtectedIntents: function () { },
+
+                // invoked from toolbar overlay buttons or keystrokes
+                cancelHighlights: cancelHighlights,
+                showProtectedIntent: showProtectedIntent
+            };
+        }]);
+}());