content: /*
   * Copyright (C) 2017 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.preference.Preference;
  import android.util.AttributeSet;
  import android.view.View;
  import android.view.ViewGroup;
  
  /**
   * Extension of {@link Preference} which makes the widget layout clickable.
   *
   * @see #setWidgetLayoutResource(int)
   */
  public class ButtonPreference extends Preference {
  
      private boolean mWidgetFrameVisible = false;
  
      public ButtonPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
          super(context, attrs, defStyleAttr, defStyleRes);
      }
  
      public ButtonPreference(Context context, AttributeSet attrs, int defStyleAttr) {
          super(context, attrs, defStyleAttr);
      }
  
      public ButtonPreference(Context context, AttributeSet attrs) {
          super(context, attrs);
      }
  
      public ButtonPreference(Context context) {
          super(context);
      }
  
      public void setWidgetFrameVisible(boolean isVisible) {
          if (mWidgetFrameVisible != isVisible) {
              mWidgetFrameVisible = isVisible;
              notifyChanged();
          }
      }
  
      @Override
      protected void onBindView(View view) {
          super.onBindView(view);
  
          ViewGroup widgetFrame = view.findViewById(android.R.id.widget_frame);
          if (widgetFrame != null) {
              widgetFrame.setVisibility(mWidgetFrameVisible ? View.VISIBLE : View.GONE);
          }
      }
  }
  