1 /*
2  * Copyright (C) 2019 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 
17 package com.android.car.developeroptions.widget;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.View;
22 
23 import androidx.preference.PreferenceViewHolder;
24 
25 import com.android.car.developeroptions.R;
26 import com.android.settingslib.RestrictedPreference;
27 
28 /**
29  * A preference with a Gear on the side
30  */
31 public class GearPreference extends RestrictedPreference implements View.OnClickListener {
32 
33     private OnGearClickListener mOnGearClickListener;
34 
GearPreference(Context context, AttributeSet attrs)35     public GearPreference(Context context, AttributeSet attrs) {
36         super(context, attrs);
37     }
38 
setOnGearClickListener(OnGearClickListener l)39     public void setOnGearClickListener(OnGearClickListener l) {
40         mOnGearClickListener = l;
41         notifyChanged();
42     }
43 
44     @Override
getSecondTargetResId()45     protected int getSecondTargetResId() {
46         return R.layout.preference_widget_gear;
47     }
48 
49     @Override
shouldHideSecondTarget()50     protected boolean shouldHideSecondTarget() {
51         return mOnGearClickListener == null;
52     }
53 
54     @Override
onBindViewHolder(PreferenceViewHolder holder)55     public void onBindViewHolder(PreferenceViewHolder holder) {
56         super.onBindViewHolder(holder);
57         final View gear = holder.findViewById(R.id.settings_button);
58         if (mOnGearClickListener != null) {
59             gear.setVisibility(View.VISIBLE);
60             gear.setOnClickListener(this);
61         } else {
62             gear.setVisibility(View.GONE);
63             gear.setOnClickListener(null);
64         }
65         gear.setEnabled(true);  // Make gear available even if the preference itself is disabled.
66     }
67 
68     @Override
onClick(View v)69     public void onClick(View v) {
70         if (v.getId() == R.id.settings_button) {
71             if (mOnGearClickListener != null) {
72                 mOnGearClickListener.onGearClick(this);
73             }
74         }
75     }
76 
77     public interface OnGearClickListener {
onGearClick(GearPreference p)78         void onGearClick(GearPreference p);
79     }
80 }
81