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.notification.app; 18 19 import android.content.Context; 20 21 import androidx.preference.Preference; 22 23 import com.android.settings.R; 24 import com.android.settings.core.PreferenceControllerMixin; 25 import com.android.settings.notification.NotificationBackend; 26 import com.android.settingslib.utils.StringUtil; 27 28 public class DeletedChannelsPreferenceController extends NotificationPreferenceController 29 implements PreferenceControllerMixin { 30 31 private static final String KEY_DELETED = "deleted"; 32 DeletedChannelsPreferenceController(Context context, NotificationBackend backend)33 public DeletedChannelsPreferenceController(Context context, NotificationBackend backend) { 34 super(context, backend); 35 } 36 37 @Override getPreferenceKey()38 public String getPreferenceKey() { 39 return KEY_DELETED; 40 } 41 42 @Override isAvailable()43 public boolean isAvailable() { 44 if (!super.isAvailable()) { 45 return false; 46 } 47 // only visible on app screen 48 if (mChannel != null || hasValidGroup()) { 49 return false; 50 } 51 52 return mBackend.getDeletedChannelCount(mAppRow.pkg, mAppRow.uid) > 0; 53 } 54 55 @Override isIncludedInFilter()56 boolean isIncludedInFilter() { 57 return false; 58 } 59 updateState(Preference preference)60 public void updateState(Preference preference) { 61 if (mAppRow != null) { 62 int deletedChannelCount = mBackend.getDeletedChannelCount(mAppRow.pkg, mAppRow.uid); 63 preference.setTitle(StringUtil.getIcuPluralsString(mContext, deletedChannelCount, 64 R.string.deleted_channels)); 65 } 66 preference.setSelectable(false); 67 } 68 } 69