content: /*
   * Copyright (C) 2019 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.android.launcher3.views;
  
  import android.content.Context;
  import android.util.AttributeSet;
  import android.view.MotionEvent;
  import android.view.View;
  import android.view.ViewGroup;
  
  import com.android.launcher3.AbstractFloatingView;
  
  /**
   * An invisible AbstractFloatingView that can run a callback when it is being closed.
   */
  public class ListenerView extends AbstractFloatingView {
  
      public Runnable mCloseListener;
  
      public ListenerView(Context context, AttributeSet attrs) {
          super(context, attrs);
          setVisibility(View.GONE);
      }
  
      public void setListener(Runnable listener) {
          mCloseListener = listener;
      }
  
      @Override
      protected void onAttachedToWindow() {
          super.onAttachedToWindow();
          mIsOpen = true;
      }
  
      @Override
      protected void onDetachedFromWindow() {
          super.onDetachedFromWindow();
          mIsOpen = false;
      }
  
      @Override
      protected void handleClose(boolean animate) {
          if (mIsOpen) {
              if (mCloseListener != null) {
                  mCloseListener.run();
              } else {
                  if (getParent() instanceof ViewGroup) {
                      ((ViewGroup) getParent()).removeView(this);
                  }
              }
          }
          mIsOpen = false;
      }
  
      @Override
      public void logActionCommand(int command) {
          // Users do not interact with FloatingIconView, so there is nothing to log here.
      }
  
      @Override
      protected boolean isOfType(int type) {
          return (type & TYPE_LISTENER) != 0;
      }
  
      @Override
      public boolean onControllerInterceptTouchEvent(MotionEvent ev) {
          if (ev.getAction() == MotionEvent.ACTION_DOWN) {
              handleClose(false);
          }
          // We want other views to be able to intercept the touch so we return false here.
          return false;
      }
  }
  