Home | History | Annotate | Download | only in views
      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.launcher3.views;
     17 
     18 import android.content.Context;
     19 import android.preference.Preference;
     20 import android.util.AttributeSet;
     21 import android.view.View;
     22 import android.view.ViewGroup;
     23 
     24 /**
     25  * Extension of {@link Preference} which makes the widget layout clickable.
     26  *
     27  * @see #setWidgetLayoutResource(int)
     28  */
     29 public class ButtonPreference extends Preference {
     30 
     31     private boolean mWidgetFrameVisible = false;
     32 
     33     public ButtonPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
     34         super(context, attrs, defStyleAttr, defStyleRes);
     35     }
     36 
     37     public ButtonPreference(Context context, AttributeSet attrs, int defStyleAttr) {
     38         super(context, attrs, defStyleAttr);
     39     }
     40 
     41     public ButtonPreference(Context context, AttributeSet attrs) {
     42         super(context, attrs);
     43     }
     44 
     45     public ButtonPreference(Context context) {
     46         super(context);
     47     }
     48 
     49     public void setWidgetFrameVisible(boolean isVisible) {
     50         if (mWidgetFrameVisible != isVisible) {
     51             mWidgetFrameVisible = isVisible;
     52             notifyChanged();
     53         }
     54     }
     55 
     56     @Override
     57     protected void onBindView(View view) {
     58         super.onBindView(view);
     59 
     60         ViewGroup widgetFrame = view.findViewById(android.R.id.widget_frame);
     61         if (widgetFrame != null) {
     62             widgetFrame.setVisibility(mWidgetFrameVisible ? View.VISIBLE : View.GONE);
     63         }
     64     }
     65 }
     66