Converted Observatory nav-notify element

runtime/observatory/lib/src/elements/nav/notify_wrapper.dart

+// Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:html';
+
+import 'package:observatory/app.dart';
+import 'package:observatory/repositories.dart';
+import 'package:observatory/src/elements/helpers/tag.dart';
+import 'package:observatory/src/elements/shims/binding.dart';
+import 'package:observatory/src/elements/nav/notify.dart';
+
+class NavNotifyElementWrapper extends HtmlElement {
+  static final binder = new Binder<NavNotifyElementWrapper>(
+    const [const Binding('notifications'), const Binding('notifyOnPause')]);
+
+  static const tag = const Tag<NavNotifyElementWrapper>('nav-notify');
+
+  NotificationRepository _notifications;
+  bool _notifyOnPause = true;
+  NotificationRepository get notifications => _notifications;
+  bool get notifyOnPause => _notifyOnPause;
+  set notifications(NotificationRepository value) {
+    _notifications = value; render();
+  }
+  set notifyOnPause(bool value) {
+    _notifyOnPause = value; render();
+  }
+
+  NavNotifyElementWrapper.created() : super.created() {
+    binder.registerCallback(this);
+    createShadowRoot();
+    render();
+  }
+
+  @override
+  void attached() {
+    super.attached();
+    render();
+  }
+
+  void render() {
+    shadowRoot.children = [];
+    if (_notifications == null) return;
+
+    shadowRoot.children = [
+      new StyleElement()
+        ..text = '''nav-notify-wrapped > div {
+          float: right;
+        }
+        nav-notify-wrapped > div > div {
+          display: block;
+          position: absolute;
+          top: 98%;
+          right: 0;
+          margin: 0;
+          padding: 0;
+          width: auto;
+          z-index: 1000;
+          background: none;
+        }
+
+        /* nav-exception & nav-event */
+
+        nav-exception > div, nav-event > div {
+          position: relative;
+          padding: 16px;
+          margin-top: 10px;
+          margin-right: 10px;
+          padding-right: 25px;
+          width: 500px;
+          color: #ddd;
+          background: rgba(0,0,0,.6);
+          border: solid 2px white;
+          box-shadow: 0 0 5px black;
+          border-radius: 5px;
+          animation: fadein 1s;
+        }
+
+        nav-exception *, nav-event * {
+          color: #ddd;
+          font-size: 12px;
+        }
+
+        nav-exception > div > a, nav-event > div > a {
+          color: white;
+          text-decoration: none;
+        }
+
+        nav-exception > div > a:hover, nav-event > div > a:hover {
+          text-decoration: underline;
+        }
+
+        nav-exception > div > div {
+          margin-left:20px;
+          white-space: pre
+        }
+
+        nav-exception > div > button, nav-event > div > button {
+          background: transparent;
+          border: none;
+          position: absolute;
+          display: block;
+          top: 4px;
+          right: 4px;
+          height: 18px;
+          width: 18px;
+          line-height: 16px;
+          border-radius: 9px;
+          color: white;
+          font-size: 18px;
+          cursor: pointer;
+          text-align: center;
+        }
+
+        nav-exception > div > button:hover, nav-event > div > button:hover {
+          background: rgba(255,255,255,0.5);
+        }''',
+      new NavNotifyElement(_notifications, notifyOnPause: notifyOnPause,
+                                 queue: ObservatoryApplication.app.queue)
+    ];
+  }
+}