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/*
* Copyright (C) 2019 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.
*/
#pragma once
#include <thread>
#include <aidl/android/hardware/automotive/occupant_awareness/BnOccupantAwareness.h>
#include <aidl/android/hardware/automotive/occupant_awareness/BnOccupantAwarenessClientCallback.h>
#include <utils/StrongPointer.h>
#include "DetectionGenerator.h"
namespace android {
namespace hardware {
namespace automotive {
namespace occupant_awareness {
namespace V1_0 {
namespace implementation {
using ::aidl::android::hardware::automotive::occupant_awareness::BnOccupantAwareness;
using ::aidl::android::hardware::automotive::occupant_awareness::IOccupantAwarenessClientCallback;
using ::aidl::android::hardware::automotive::occupant_awareness::OccupantAwarenessStatus;
using ::aidl::android::hardware::automotive::occupant_awareness::OccupantDetections;
using ::aidl::android::hardware::automotive::occupant_awareness::Role;
/**
* The mock HAL can detect presence of Driver and front passenger, and driver awareness detection
* for driver.
**/
class OccupantAwareness : public BnOccupantAwareness {
public:
// Methods from ::android::hardware::automotive::occupant_awareness::IOccupantAwareness
// follow.
ndk::ScopedAStatus startDetection(OccupantAwarenessStatus* status) override;
ndk::ScopedAStatus stopDetection(OccupantAwarenessStatus* status) override;
ndk::ScopedAStatus getCapabilityForRole(Role occupantRole, int32_t* capabilities) override;
ndk::ScopedAStatus getState(Role occupantRole, int detectionCapability,
OccupantAwarenessStatus* status) override;
ndk::ScopedAStatus setCallback(
const std::shared_ptr<IOccupantAwarenessClientCallback>& callback) override;
ndk::ScopedAStatus getLatestDetection(OccupantDetections* detections) override;
private:
bool isValidRole(Role occupantRole);
bool isValidDetectionCapabilities(int detectionCapabilities);
bool isSingularCapability(int detectionCapability);
void workerThreadFunction();
static void startWorkerThread(OccupantAwareness* occupantAwareness);
std::mutex mMutex;
std::shared_ptr<IOccupantAwarenessClientCallback> mCallback = nullptr;
OccupantAwarenessStatus mStatus = OccupantAwarenessStatus::NOT_INITIALIZED;
OccupantDetections mLatestDetections;
std::thread mWorkerThread;
DetectionGenerator mGenerator;
// Generate a new detection every 1ms.
const int64_t mDetectionDurationMs = 1;
};
} // namespace implementation
} // namespace V1_0
} // namespace occupant_awareness
} // namespace automotive
} // namespace hardware
} // namespace android