sl4a/Common/src/com/googlecode/android_scripting/facade/ui/DialogTask.java

/*
 * Copyright (C) 2010 Google Inc.
 *
 * 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.googlecode.android_scripting.facade.ui;

import android.app.Dialog;

import com.googlecode.android_scripting.facade.EventFacade;
import com.googlecode.android_scripting.future.FutureActivityTask;

import java.util.concurrent.CountDownLatch;

abstract class DialogTask extends FutureActivityTask<Object> {

  protected Dialog mDialog;
  private EventFacade mEventFacade;

  public EventFacade getEventFacade() {
    return mEventFacade;
  }

  public void setEventFacade(EventFacade mEventFacade) {
    this.mEventFacade = mEventFacade;
  }

  @Override
  protected void setResult(Object object) {
    super.setResult(object);
    EventFacade eventFacade = getEventFacade();
    if (eventFacade != null) {
      eventFacade.postEvent("dialog", object);
    }
  }

  protected final CountDownLatch mShowLatch = new CountDownLatch(1);

  /**
   * Returns the wrapped {@link Dialog}.
   */
  public Dialog getDialog() {
    return mDialog;
  }

  /**
   * Dismiss the {@link Dialog} and close {@link Sl4aActivity}.
   */
  public void dismissDialog() {
    if (mDialog != null) {
      mDialog.dismiss();
      finish();
    }
    mDialog = null;
  }

  /**
   * Returns the {@link CountDownLatch} that is counted down when the dialog is shown.
   */
  public CountDownLatch getShowLatch() {
    return mShowLatch;
  }
}