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 
17 package com.android.settings.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.settings.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     // Default true for gear available even if the preference itself is disabled.
33     protected boolean mGearState = true;
34     private OnGearClickListener mOnGearClickListener;
35 
GearPreference(Context context, AttributeSet attrs)36     public GearPreference(Context context, AttributeSet attrs) {
37         super(context, attrs);
38     }
39 
setOnGearClickListener(OnGearClickListener l)40     public void setOnGearClickListener(OnGearClickListener l) {
41         mOnGearClickListener = l;
42         notifyChanged();
43     }
44 
45     /** Sets state of gear button. */
setGearEnabled(boolean enabled)46     public void setGearEnabled(boolean enabled) {
47         mGearState = enabled;
48     }
49 
50     /** Gets state of gear button. */
isGearEnabled()51     public boolean isGearEnabled() {
52         return mGearState;
53     }
54 
55     @Override
getSecondTargetResId()56     protected int getSecondTargetResId() {
57         return R.layout.preference_widget_gear;
58     }
59 
60     @Override
shouldHideSecondTarget()61     protected boolean shouldHideSecondTarget() {
62         return mOnGearClickListener == null;
63     }
64 
65     @Override
onBindViewHolder(PreferenceViewHolder holder)66     public void onBindViewHolder(PreferenceViewHolder holder) {
67         super.onBindViewHolder(holder);
68         final View gear = holder.findViewById(R.id.settings_button);
69         if (mOnGearClickListener != null) {
70             gear.setVisibility(View.VISIBLE);
71             gear.setOnClickListener(this);
72         } else {
73             gear.setVisibility(View.GONE);
74             gear.setOnClickListener(null);
75         }
76         // Make gear available even if the preference itself is disabled.
77         gear.setEnabled(mGearState);
78     }
79 
80     @Override
onClick(View v)81     public void onClick(View v) {
82         if (v.getId() == R.id.settings_button) {
83             if (mOnGearClickListener != null) {
84                 mOnGearClickListener.onGearClick(this);
85             }
86         }
87     }
88 
89     public interface OnGearClickListener {
onGearClick(GearPreference p)90         void onGearClick(GearPreference p);
91     }
92 }
93