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client/dom/templates/html/frog/impl_EventTarget.darttemplate

Index: client/dom/templates/html/frog/impl_EventTarget.darttemplate
diff --git a/client/dom/templates/html/frog/impl_EventTarget.darttemplate b/client/dom/templates/html/frog/impl_EventTarget.darttemplate
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+// 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.
+
+class _EventsImpl implements Events {
+  /* Raw event target. */
+  // TODO(jacobr): it would be nice if we could specify this as
+  // _EventTargetJs or EventTarget
+  final var _ptr;
+
+  _EventsImpl(this._ptr);
+
+  _EventListenerListImpl operator [](String type) => _get(type.toLowerCase());
+  
+  _EventListenerListImpl _get(String type) {
+    return new _EventListenerListImpl(_ptr, type);
+  }
+}
+
+class _EventListenerListImpl implements EventListenerList {
+  
+  // TODO(jacobr): make this _EventTargetJs
+  final var _ptr;
+  final String _type;
+
+  _EventListenerListImpl(this._ptr, this._type);
+
+  // TODO(jacobr): implement equals.
+
+  _EventListenerListImpl add(EventListener listener,
+      [bool useCapture = false]) {
+    _add(listener, useCapture);
+    return this;
+  }
+
+  _EventListenerListImpl remove(EventListener listener,
+      [bool useCapture = false]) {
+    _remove(listener, useCapture);
+    return this;
+  }
+
+  bool dispatch(Event evt) {
+    // TODO(jacobr): what is the correct behavior here. We could alternately
+    // force the event to have the expected type.
+    assert(evt.type == _type);
+    return _ptr._dispatchEvent(evt);
+  }
+
+  void _add(EventListener listener, bool useCapture) {
+    _ptr._addEventListener(_type, listener, useCapture);
+  }
+
+  void _remove(EventListener listener, bool useCapture) {
+    _ptr._removeEventListener(_type, listener, useCapture);
+  }
+}
+
+
+class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
+
+  Events get on() => new _EventsImpl(this);
+$!MEMBERS
+}