1 files changed, 99 insertions, 0 deletions
diff --git a/framework/src/onos/web/gui/src/main/webapp/app/fw/layer/veil.js b/framework/src/onos/web/gui/src/main/webapp/app/fw/layer/veil.js
new file mode 100644
index 00000000..fc0530af
--- /dev/null
+++ b/framework/src/onos/web/gui/src/main/webapp/app/fw/layer/veil.js
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2015 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 -- Layer -- Veil Service
+
+ Provides a mechanism to display an overlaying div with information.
+ Used mainly for web socket connection interruption.
+ */
+(function () {
+    'use strict';
+
+    // injected references
+    var $log, $route, fs, ks, gs;
+
+    var veil;
+
+    function init() {
+        var wSize = fs.windowSize(),
+            ww = wSize.width,
+            wh = wSize.height,
+            shrink = wh * 0.3,
+            birdDim = wh - shrink,
+            birdCenter = (ww - birdDim) / 2,
+            svg;
+
+        veil = d3.select('#veil');
+
+        svg = veil.select('svg').attr({
+            width: ww,
+            height: wh
+        }).style('opacity', 0.2);
+
+        gs.addGlyph(svg, 'bird', birdDim, false, [birdCenter, shrink/2]);
+    }
+
+    // msg should be an array of strings
+    function show(msg) {
+        var msgs = fs.isA(msg) || [msg],
+            pdiv = veil.select('.msg');
+        pdiv.selectAll('p').remove();
+
+        msgs.forEach(function (line) {
+            pdiv.append('p').text(line);
+        });
+
+        veil.style('display', 'block');
+        ks.enableKeys(false);
+    }
+
+    function hide() {
+        veil.style('display', 'none');
+        ks.enableKeys(true);
+    }
+
+    // function that only invokes the veil if the caller is the current view
+    // TODO: review - is this deprecated ?
+    function lostServer(ctrlName, msg) {
+        if ($route.current.$$route.controller === ctrlName) {
+            $log.debug('VEIL-service: ', ctrlName);
+            show(msg)
+        } else {
+            $log.debug('VEIL-service: IGNORING ', ctrlName);
+        }
+    }
+
+    angular.module('onosLayer')
+    .factory('VeilService',
+        ['$log', '$route', 'FnService', 'KeyService', 'GlyphService',
+
+        function (_$log_, _$route_, _fs_, _ks_, _gs_) {
+            $log = _$log_;
+            $route = _$route_;
+            fs = _fs_;
+            ks = _ks_;
+            gs = _gs_;
+
+            return {
+                init: init,
+                show: show,
+                hide: hide,
+                lostServer: lostServer
+            };
+    }]);
+
+}());