| /* |
| * Copyright (C) 2018 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.systemui.appops; |
| |
| import java.util.List; |
| |
| /** |
| * Controller to keep track of applications that have requested access to given App Ops. |
| * |
| * It can be subscribed to with callbacks. Additionally, it passes on the information to |
| * NotificationPresenter to be displayed to the user. |
| */ |
| public interface AppOpsController { |
| |
| /** |
| * Callback to notify when the state of active AppOps tracked by the controller has changed. |
| * AppOps that are noted will not be notified every time, just when the tracked state changes |
| * between currently in use and not. |
| */ |
| interface Callback { |
| void onActiveStateChanged(int code, int uid, String packageName, boolean active); |
| } |
| |
| /** |
| * Adds a callback that will get notified when an AppOp of the type the controller tracks |
| * changes |
| * |
| * @param opsCodes App Ops the callback was interested in checking |
| * @param cb Callback to report changes |
| * |
| * @see #removeCallback(int[], Callback) |
| */ |
| void addCallback(int[] opsCodes, Callback cb); |
| |
| /** |
| * Removes a callback from those notifified when an AppOp of the type the controller tracks |
| * changes |
| * |
| * @param opsCodes App Ops the callback is interested in checking |
| * @param cb Callback to stop reporting changes |
| * |
| * @see #addCallback(int[], Callback) |
| */ |
| void removeCallback(int[] opsCodes, Callback cb); |
| |
| /** |
| * Returns a copy of the list containing all the active AppOps that the controller tracks. |
| * |
| * @return List of active AppOps information |
| */ |
| List<AppOpItem> getActiveAppOps(); |
| |
| /** |
| * Returns a copy of the list containing all the active AppOps that the controller tracks, for |
| * a given user id. |
| * |
| * @param userId User id to track |
| * |
| * @return List of active AppOps information for that user id |
| */ |
| List<AppOpItem> getActiveAppOpsForUser(int userId); |
| } |