sdk/lib/html/src/Timer.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.

// TODO(antonm): support not DOM isolates too.
class _Timer implements Timer {
  final canceller;

  _Timer(this.canceller);

  void cancel() { canceller(); }
}

get _timerFactoryClosure => (int milliSeconds, void callback(Timer timer), bool repeating) {
  var maker;
  var canceller;
  if (repeating) {
    maker = window.setInterval;
    canceller = window.clearInterval;
  } else {
    maker = window.setTimeout;
    canceller = window.clearTimeout;
  }
  Timer timer;
  final int id = maker(() { callback(timer); }, milliSeconds);
  timer = new _Timer(() { canceller(id); });
  return timer;
};