1/* 2* Copyright (C) 2014 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*/ 16package com.android.server.notification; 17 18import android.content.Context; 19import android.util.Slog; 20 21/** 22 * Determines if the given notification can display sensitive content on the lockscreen. 23 */ 24public class VisibilityExtractor implements NotificationSignalExtractor { 25 private static final String TAG = "VisibilityExtractor"; 26 private static final boolean DBG = false; 27 28 private RankingConfig mConfig; 29 30 public void initialize(Context ctx, NotificationUsageStats usageStats) { 31 if (DBG) Slog.d(TAG, "Initializing " + getClass().getSimpleName() + "."); 32 } 33 34 public RankingReconsideration process(NotificationRecord record) { 35 if (record == null || record.getNotification() == null) { 36 if (DBG) Slog.d(TAG, "skipping empty notification"); 37 return null; 38 } 39 40 if (mConfig == null) { 41 if (DBG) Slog.d(TAG, "missing config"); 42 return null; 43 } 44 45 record.setPackageVisibilityOverride( 46 mConfig.getVisibilityOverride(record.sbn.getPackageName(), record.sbn.getUid())); 47 48 return null; 49 } 50 51 @Override 52 public void setConfig(RankingConfig config) { 53 mConfig = config; 54 } 55} 56