gerrit-prettify/src/main/java/com/google/gerrit/prettify/client/PrivateScopeImplIE6.java

// Copyright (C) 2010 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.prettify.client;

import com.google.gwt.core.client.JavaScriptObject;

/** IE6 requires us to initialize the document before we can use it. */
public class PrivateScopeImplIE6 extends PrivateScopeImpl {
  private JavaScriptObject context;

  @Override
  protected void onAttach() {
    super.onAttach();
    context = nativeInitContext(scopeName);
  }

  @Override
  public JavaScriptObject getContext() {
    return context;
  }

  private static native JavaScriptObject nativeInitContext(String scopeName)
  /*-{
    var fe = $wnd[scopeName];
    fe.document.write(
        '<script>'
      + 'parent._PrivateScopeNewChild = this;'
      + '</' + 'script>'
    );
    var ctx = $wnd._PrivateScopeNewChild;
    $wnd._PrivateScopeNewChild = undefined;
    return ctx;
  }-*/;
}