// 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.

part of html;
$ANNOTATIONS
class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {

  /**
   * Executes a [callback] after the next batch of browser layout measurements
   * has completed or would have completed if any browser layout measurements
   * had been scheduled.
   */
  void requestLayoutFrame(TimeoutHandler callback) {
    _addMeasurementFrameCallback(callback);
  }

  /**
   * Lookup a port by its [name].  Return null if no port is
   * registered under [name].
   */
  lookupPort(String name) {
    var port = json.parse(document.documentElement.attributes['dart-port:$name']);
    return _deserialize(port);
  }

  /**
   * Register a [port] on this window under the given [name].  This
   * port may be retrieved by any isolate (or JavaScript script)
   * running in this window.
   */
  registerPort(String name, var port) {
    var serialized = _serialize(port);
    document.documentElement.attributes['dart-port:$name'] = json.stringify(serialized);
  }

$!MEMBERS
}