| /* |
| * Copyright (C) 2014 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; |
| |
| /** |
| * Extracts signals that will be useful to the {@link NotificationComparator} and caches them |
| * on the {@link NotificationRecord} object. These annotations will |
| * not be passed on to {@link android.service.notification.NotificationListenerService}s. |
| */ |
| public interface NotificationSignalExtractor { |
| |
| /** One-time initialization. */ |
| public void initialize(Context context, NotificationUsageStats usageStats); |
| |
| /** |
| * Called once per notification that is posted or updated. |
| * |
| * @return null if the work is done, or a future if there is more to do. The |
| * {@link RankingReconsideration} will be run on a worker thread, and if notifications |
| * are re-ordered by that execution, the {@link NotificationManagerService} may send order |
| * update events to the {@link android.service.notification.NotificationListenerService}s. |
| */ |
| public RankingReconsideration process(NotificationRecord notification); |
| |
| /** |
| * Called whenever the {@link RankingConfig} changes. |
| * |
| * @param config information about which signals are important. |
| */ |
| void setConfig(RankingConfig config); |
| } |