1 /*
2  * Copyright (C) 2023 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 android.service.voice;
18 
19 /**
20  * Callback for returning the detected result from the {@link VisualQueryDetectionService}.
21  *
22  * The {@link VisualQueryDetectorSession} will overrides this interface to reach query egression
23  * control within each callback methods.
24  *
25  * @hide
26  */
27 oneway interface IDetectorSessionVisualQueryDetectionCallback {
28 
29     /**
30      * Called when the user attention is gained and intent to show the assistant icon in SysUI.
31      */
onAttentionGained()32     void onAttentionGained();
33 
34     /**
35      * Called when the user attention is lost and intent to hide the assistant icon in SysUI.
36      */
onAttentionLost()37     void onAttentionLost();
38 
39     /**
40      * Called when the detected query is streamed.
41      */
onQueryDetected(in String partialQuery)42     void onQueryDetected(in String partialQuery);
43 
44     /**
45      * Called when the detected result is valid.
46      */
onQueryFinished()47     void onQueryFinished();
48 
49     /**
50      * Called when the detected result is invalid.
51      */
onQueryRejected()52     void onQueryRejected();
53 }
54