content: /*
   * Copyright 2014 Alex Curran
   *
   * 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.github.amlcurran.showcaseview;
  
  import android.view.MotionEvent;
  
  /**
  * @author Alex
  */
  public interface OnShowcaseEventListener {
  
      /**
       * Called when the ShowcaseView has been told to hide. Use {@link #onShowcaseViewDidHide(ShowcaseView)}
       * if you want to know when the ShowcaseView has been fully hidden.
       */
      void onShowcaseViewHide(ShowcaseView showcaseView);
  
      /**
       * Called when the animation hiding the ShowcaseView has finished, and it is no longer visible on the screen.
       */
      void onShowcaseViewDidHide(ShowcaseView showcaseView);
  
      /**
       * Called when the ShowcaseView is shown.
       */
      void onShowcaseViewShow(ShowcaseView showcaseView);
  
      /**
       * Called when the user has touched on the ShowcaseView, but the touch was blocked
       * @param motionEvent the blocked event
       */
      void onShowcaseViewTouchBlocked(MotionEvent motionEvent);
  
      /**
       * Empty implementation of OnShowcaseViewEventListener such that null
       * checks aren't needed
       */
      OnShowcaseEventListener NONE = new OnShowcaseEventListener() {
          @Override
          public void onShowcaseViewHide(ShowcaseView showcaseView) {
  
          }
  
          @Override
          public void onShowcaseViewDidHide(ShowcaseView showcaseView) {
  
          }
  
          @Override
          public void onShowcaseViewShow(ShowcaseView showcaseView) {
  
          }
  
          @Override
          public void onShowcaseViewTouchBlocked(MotionEvent motionEvent) {
  
          }
      };
  }
  