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.permissioncontroller.role.ui.handheld;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.View;
22 
23 import androidx.annotation.AttrRes;
24 import androidx.annotation.NonNull;
25 import androidx.annotation.Nullable;
26 import androidx.annotation.StyleRes;
27 import androidx.preference.Preference;
28 import androidx.preference.PreferenceViewHolder;
29 
30 import com.android.permissioncontroller.R;
31 
32 /**
33  * {@link Preference} with a settings button.
34  *
35  * @see com.android.settings.widget.GearPreference
36  */
37 class SettingsButtonPreference extends HandHeldTwoTargetPreference {
38 
39     @Nullable
40     private OnSecondTargetClickListener mOnSecondTargetClickListener;
41 
SettingsButtonPreference(@onNull Context context, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr, @StyleRes int defStyleRes)42     SettingsButtonPreference(@NonNull Context context, @Nullable AttributeSet attrs,
43             @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
44         super(context, attrs, defStyleAttr, defStyleRes);
45 
46         init();
47     }
48 
SettingsButtonPreference(@onNull Context context, @Nullable AttributeSet attrs, @AttrRes int defStyleAttr)49     SettingsButtonPreference(@NonNull Context context, @Nullable AttributeSet attrs,
50             @AttrRes int defStyleAttr) {
51         super(context, attrs, defStyleAttr);
52 
53         init();
54     }
55 
SettingsButtonPreference(@onNull Context context, @Nullable AttributeSet attrs)56     SettingsButtonPreference(@NonNull Context context, @Nullable AttributeSet attrs) {
57         super(context, attrs);
58 
59         init();
60     }
61 
SettingsButtonPreference(@onNull Context context)62     SettingsButtonPreference(@NonNull Context context) {
63         super(context);
64 
65         init();
66     }
67 
init()68     private void init() {
69         setWidgetLayoutResource(R.layout.settings_button_preference_widget);
70     }
71 
72     @Override
setOnSecondTargetClickListener(@ullable OnSecondTargetClickListener listener)73     public void setOnSecondTargetClickListener(@Nullable OnSecondTargetClickListener listener) {
74         mOnSecondTargetClickListener = listener;
75         notifyChanged();
76     }
77 
78     @Override
onBindViewHolder(@onNull PreferenceViewHolder holder)79     public void onBindViewHolder(@NonNull PreferenceViewHolder holder) {
80         super.onBindViewHolder(holder);
81 
82         View widgetFrame = holder.findViewById(android.R.id.widget_frame);
83         widgetFrame.setPadding(0, 0, 0, 0);
84         View settingsButton = holder.findViewById(R.id.settings_button);
85         if (mOnSecondTargetClickListener != null) {
86             widgetFrame.setVisibility(View.VISIBLE);
87             settingsButton.setOnClickListener(view ->
88                     mOnSecondTargetClickListener.onSecondTargetClick(this));
89         } else {
90             widgetFrame.setVisibility(View.GONE);
91             settingsButton.setOnClickListener(null);
92         }
93         // Make the settings button enabled even if the preference itself is disabled.
94         settingsButton.setEnabled(true);
95     }
96 }
97