1/*
2 * Copyright (C) 2019 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
17package [email protected];
18
19import [email protected]::Classification;
20import [email protected]::MotionEvent;
21
22interface IInputClassifier {
23
24  /**
25   * Returns the classification for the current sequence of input events.
26   */
27  classify(MotionEvent event) generates (Classification classification);
28
29  /**
30   * Called by the framework to reset the HAL internal state. The reset may be called
31   * to prevent an inconsistent stream of events to be sent to the HAL.
32   */
33  reset();
34
35  /**
36   * Called by the framework to reset the HAL internal state for a specific device.
37   * The reset may be called once device reset is received by the framework.
38   */
39  resetDevice(int32_t deviceId);
40
41};
42