content: /**
  * Copyright (C) 2015 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  package com.android.server.notification;
  
  import android.content.Context;
  import android.util.Slog;
  
  /**
   * Determines the importance of the given notification.
   */
  public class ImportanceExtractor implements NotificationSignalExtractor {
      private static final String TAG = "ImportanceExtractor";
      private static final boolean DBG = false;
  
      private RankingConfig mConfig;
  
      public void initialize(Context ctx, NotificationUsageStats usageStats) {
          if (DBG) Slog.d(TAG, "Initializing  " + getClass().getSimpleName() + ".");
      }
  
      public RankingReconsideration process(NotificationRecord record) {
          if (record == null || record.getNotification() == null) {
              if (DBG) Slog.d(TAG, "skipping empty notification");
              return null;
          }
  
          if (mConfig == null) {
              if (DBG) Slog.d(TAG, "missing config");
              return null;
          }
          record.calculateImportance();
  
          return null;
      }
  
      @Override
      public void setConfig(RankingConfig config) {
          mConfig = config;
      }
  
      @Override
      public void setZenHelper(ZenModeHelper helper) {
  
      }
  }
  