1 /*
2  * Copyright (C) 2020 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.settings.notification.app;
17 
18 import android.content.Context;
19 import android.view.View;
20 
21 import androidx.preference.PreferenceViewHolder;
22 
23 import com.android.settings.R;
24 import com.android.settingslib.widget.TwoTargetPreference;
25 
26 import com.google.common.annotations.VisibleForTesting;
27 
28 public class RecentConversationPreference extends TwoTargetPreference {
29 
30     private OnClearClickListener mOnClearClickListener;
31     private final Context mContext;
32     private View mClearView;
33 
34     public interface OnClearClickListener {
onClear()35         void onClear();
36     }
37 
RecentConversationPreference(Context context)38     public RecentConversationPreference(Context context) {
39         super(context);
40         mContext = context;
41     }
42 
setOnClearClickListener( OnClearClickListener onClearClickListener)43     public void setOnClearClickListener(
44             OnClearClickListener onClearClickListener) {
45         mOnClearClickListener = onClearClickListener;
46     }
47 
48     @VisibleForTesting
getClearView()49     View getClearView() {
50         return mClearView;
51     }
52 
53     @Override
getSecondTargetResId()54     protected int getSecondTargetResId() {
55         return R.layout.preference_widget_clear;
56     }
57 
58     @VisibleForTesting
getClearId()59     int getClearId() {
60         return R.id.clear_button;
61     }
62 
63     @VisibleForTesting
hasClearListener()64     boolean hasClearListener() {
65         return mOnClearClickListener != null;
66     }
67 
68     @Override
onBindViewHolder(PreferenceViewHolder view)69     public void onBindViewHolder(PreferenceViewHolder view) {
70         super.onBindViewHolder(view);
71         final View widgetFrame = view.findViewById(android.R.id.widget_frame);
72         widgetFrame.setVisibility(mOnClearClickListener != null ? View.VISIBLE : View.GONE);
73         mClearView = view.findViewById(getClearId());
74         mClearView.setContentDescription(
75                 mContext.getString(R.string.clear_conversation, getTitle()));
76 
77         mClearView.setOnClickListener(v -> {
78             if (mOnClearClickListener != null) {
79                 mOnClearClickListener.onClear();
80             }
81         });
82     }
83 
84 }
85