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 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 } 41 setOnClearClickListener( OnClearClickListener onClearClickListener)42 public void setOnClearClickListener( 43 OnClearClickListener onClearClickListener) { 44 mOnClearClickListener = onClearClickListener; 45 } 46 47 @VisibleForTesting getClearView()48 View getClearView() { 49 return mClearView; 50 } 51 52 @Override getSecondTargetResId()53 protected int getSecondTargetResId() { 54 return R.layout.preference_widget_clear; 55 } 56 57 @VisibleForTesting getClearId()58 int getClearId() { 59 return R.id.clear_button; 60 } 61 62 @VisibleForTesting hasClearListener()63 boolean hasClearListener() { 64 return mOnClearClickListener != null; 65 } 66 67 @Override onBindViewHolder(PreferenceViewHolder view)68 public void onBindViewHolder(PreferenceViewHolder view) { 69 super.onBindViewHolder(view); 70 final View widgetFrame = view.findViewById(android.R.id.widget_frame); 71 widgetFrame.setVisibility(mOnClearClickListener != null ? View.VISIBLE : View.GONE); 72 mClearView = view.findViewById(getClearId()); 73 mClearView.setOnClickListener(v -> { 74 if (mOnClearClickListener != null) { 75 mOnClearClickListener.onClear(); 76 } 77 }); 78 } 79 80 } 81