1 /*
2  * Copyright (C) 2022 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.server.ambientcontext;
18 
19 import android.annotation.NonNull;
20 import android.app.ambientcontext.AmbientContextEvent;
21 import android.app.ambientcontext.AmbientContextEventRequest;
22 import android.os.RemoteCallback;
23 
24 import java.io.PrintWriter;
25 
26 /**
27  * Interface for a remote service implementing Ambient Context Detection Service capabilities.
28  */
29 interface RemoteAmbientDetectionService {
30     /**
31      * Asks the implementation to start detection.
32      *
33      * @param request The request with events to detect, and optional detection options.
34      * @param packageName The app package that requested the detection
35      * @param detectionResultCallback callback for detection results
36      * @param statusCallback callback for service status
37      */
startDetection( @onNull AmbientContextEventRequest request, String packageName, RemoteCallback detectionResultCallback, RemoteCallback statusCallback)38     void startDetection(
39             @NonNull AmbientContextEventRequest request, String packageName,
40             RemoteCallback detectionResultCallback, RemoteCallback statusCallback);
41 
42     /**
43      * Asks the implementation to stop detection.
44      *
45      * @param packageName stop detection for the given package
46      */
stopDetection(String packageName)47     void stopDetection(String packageName);
48 
49     /**
50      * Asks the implementation to return the event status for the package.
51      */
queryServiceStatus( @mbientContextEvent.EventCode int[] eventTypes, String packageName, RemoteCallback callback)52     void queryServiceStatus(
53             @AmbientContextEvent.EventCode int[] eventTypes,
54             String packageName,
55             RemoteCallback callback);
56 
57     /**
58      * Dumps the RemoteAmbientDetectionService.
59      */
dump(@onNull String prefix, @NonNull PrintWriter pw)60     void dump(@NonNull String prefix, @NonNull PrintWriter pw);
61 
62     /**
63      * Unbinds from the remote service.
64      */
unbind()65     void unbind();
66 }
67