1 /*
2  * Copyright (C) 2020 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 #include <android/hidl/base/1.0/IBase.h>
18 #include <android/sensor.h>
19 
20 #ifndef HARDWARE_GOOGLE_PIXEL_ORIENTATION_COLLECTOR_H
21 #define HARDWARE_GOOGLE_PIXEL_ORIENTATION_COLLECTOR_H
22 
23 namespace android {
24 namespace hardware {
25 namespace google {
26 namespace pixel {
27 
28 /**
29  * A class to help use Senser
30  */
31 class OrientationCollector : public RefBase {
32   public:
33     static sp<OrientationCollector> createOrientationCollector();
34 
35     int32_t pollOrientation(int *orientation);
36     int32_t init();
37     void disableOrientationSensor();
38 
39   private:
40     ASensorEventQueue *mQueue;
41     ASensorManager *mSensorManager = nullptr;
42     ASensorRef mOrientationSensor;
43 
44     int getEvents(ASensorEvent *event_list, size_t event_list_size, int *event_count);
45 };
46 
47 }  // namespace pixel
48 }  // namespace google
49 }  // namespace hardware
50 }  // namespace android
51 
52 #endif  // HARDWARE_GOOGLE_PIXEL_ORIENTATION_COLLECTOR_H
53