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/*
* Copyright (C) 2017 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.
*/
#ifndef A_SENSOR_EVENT_QUEUE_H_
#define A_SENSOR_EVENT_QUEUE_H_
#include <android/frameworks/sensorservice/1.0/IEventQueue.h>
#include <android/frameworks/sensorservice/1.0/IEventQueueCallback.h>
#include <android/looper.h>
#include <android/sensor.h>
#include <android-base/macros.h>
#include <sensors/convert.h>
#include <utils/Mutex.h>
#include <atomic>
struct ALooper;
struct ASensorEventQueue
: public android::frameworks::sensorservice::V1_0::IEventQueueCallback {
using Event = android::hardware::sensors::V1_0::Event;
using IEventQueue = android::frameworks::sensorservice::V1_0::IEventQueue;
ASensorEventQueue(
ALooper *looper,
ALooper_callbackFunc callback,
void *data);
android::hardware::Return<void> onEvent(const Event &event) override;
void setImpl(const android::sp<IEventQueue> &queueImpl);
int registerSensor(
ASensorRef sensor,
int32_t samplingPeriodUs,
int64_t maxBatchReportLatencyUs);
int enableSensor(ASensorRef sensor);
int disableSensor(ASensorRef sensor);
int setEventRate(ASensorRef sensor, int32_t samplingPeriodUs);
int requestAdditionalInfoEvents(bool enable);
ssize_t getEvents(ASensorEvent *events, size_t count);
int hasEvents() const;
void dispatchCallback();
void invalidate();
private:
ALooper *mLooper;
ALooper_callbackFunc mCallback;
void *mData;
android::sp<IEventQueue> mQueueImpl;
android::Mutex mLock;
std::vector<sensors_event_t> mQueue;
std::atomic_bool mRequestAdditionalInfo;
DISALLOW_COPY_AND_ASSIGN(ASensorEventQueue);
};
#endif // A_SENSOR_EVENT_QUEUE_H_
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