indexedDB work

lib/html/src/frog_IDBOpenDBRequestImplementation.dart

+// Copyright (c) 2012, 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.
+
+// IDBOpenDBRequest.  IDBFactory.open returns a plain IDBRequest on Chrome and
+// Dartium but an IDBOpenDBRequest on Firefox.  Chrome/Dartium is expected to
+// change at some point as IDBOpenDBRequest is more standard.  When it appears
+// in the WebKit IDL we can remove this hand-written file.
+//
+// See:
+// http://www.w3.org/TR/IndexedDB/#request-api
+// http://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#request-api
+
+class _IDBOpenDBRequestImpl extends _IDBRequestImpl implements IDBOpenDBRequest
+    native "*IDBOpenDBRequest" {
+
+  _IDBOpenDBRequestEventsImpl get on() =>
+    new _IDBOpenDBRequestEventsImpl(this);
+}
+
+class _IDBOpenDBRequestEventsImpl extends _IDBRequestEventsImpl implements IDBOpenDBRequestEvents {
+  _IDBOpenDBRequestEventsImpl(_ptr) : super(_ptr);
+
+  EventListenerList get blocked() => _get('blocked');
+
+  EventListenerList get upgradeneeded() => _get('upgradeneeded');
+}