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, int defStyleAttr, int defStyleRes)36     public GearPreference(Context context, AttributeSet attrs,
37             int defStyleAttr, int defStyleRes) {
38         super(context, attrs, defStyleAttr, defStyleRes);
39     }
40 
GearPreference(Context context, AttributeSet attrs)41     public GearPreference(Context context, AttributeSet attrs) {
42         super(context, attrs);
43     }
44 
setOnGearClickListener(OnGearClickListener l)45     public void setOnGearClickListener(OnGearClickListener l) {
46         mOnGearClickListener = l;
47         notifyChanged();
48     }
49 
50     /** Sets state of gear button. */
setGearEnabled(boolean enabled)51     public void setGearEnabled(boolean enabled) {
52         mGearState = enabled;
53     }
54 
55     /** Gets state of gear button. */
isGearEnabled()56     public boolean isGearEnabled() {
57         return mGearState;
58     }
59 
60     @Override
getSecondTargetResId()61     protected int getSecondTargetResId() {
62         return R.layout.preference_widget_gear;
63     }
64 
65     @Override
shouldHideSecondTarget()66     protected boolean shouldHideSecondTarget() {
67         return mOnGearClickListener == null;
68     }
69 
70     @Override
onBindViewHolder(PreferenceViewHolder holder)71     public void onBindViewHolder(PreferenceViewHolder holder) {
72         super.onBindViewHolder(holder);
73         final View gear = holder.findViewById(R.id.settings_button);
74         if (mOnGearClickListener != null) {
75             gear.setVisibility(View.VISIBLE);
76             gear.setOnClickListener(this);
77         } else {
78             gear.setVisibility(View.GONE);
79             gear.setOnClickListener(null);
80         }
81         // Make gear available even if the preference itself is disabled.
82         gear.setEnabled(mGearState);
83     }
84 
85     @Override
onClick(View v)86     public void onClick(View v) {
87         if (v.getId() == R.id.settings_button) {
88             if (mOnGearClickListener != null) {
89                 mOnGearClickListener.onGearClick(this);
90             }
91         }
92     }
93 
94     public interface OnGearClickListener {
onGearClick(GearPreference p)95         void onGearClick(GearPreference p);
96     }
97 }
98