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/*
* Copyright (C) 2020 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 "HalProxyCallback.h"
#include "V2_0/SubHal.h"
#include "V2_1/SubHal.h"
#include "android/hardware/sensors/1.0/ISensors.h"
#include "android/hardware/sensors/1.0/types.h"
#include "android/hardware/sensors/2.0/ISensors.h"
#include "android/hardware/sensors/2.0/ISensorsCallback.h"
#include "android/hardware/sensors/2.1/ISensors.h"
#include "android/hardware/sensors/2.1/ISensorsCallback.h"
#include "android/hardware/sensors/2.1/types.h"
#include <utils/LightRefBase.h>
#include <cassert>
namespace android {
namespace hardware {
namespace sensors {
namespace V2_1 {
namespace implementation {
/**
* The following subHal wrapper classes abstract away common functionality across V2.0 and V2.1
* subHal interfaces. Much of the logic is common between the two versions and this allows users of
* the classes to only care about the type used at initialization and then interact with either
* version of the subHal interface without worrying about the type.
*/
class ISubHalWrapperBase {
protected:
using Event = ::android::hardware::sensors::V2_1::Event;
using OperationMode = ::android::hardware::sensors::V1_0::OperationMode;
using RateLevel = ::android::hardware::sensors::V1_0::RateLevel;
using Result = ::android::hardware::sensors::V1_0::Result;
using SensorInfo = ::android::hardware::sensors::V2_1::SensorInfo;
using SharedMemInfo = ::android::hardware::sensors::V1_0::SharedMemInfo;
public:
virtual ~ISubHalWrapperBase() {}
virtual bool supportsNewEvents() = 0;
virtual Return<Result> initialize(V2_0::implementation::ISubHalCallback* callback,
V2_0::implementation::IScopedWakelockRefCounter* refCounter,
int32_t subHalIndex) = 0;
virtual Return<void> getSensorsList(
::android::hardware::sensors::V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) = 0;
virtual Return<Result> setOperationMode(OperationMode mode) = 0;
virtual Return<Result> activate(int32_t sensorHandle, bool enabled) = 0;
virtual Return<Result> batch(int32_t sensorHandle, int64_t samplingPeriodNs,
int64_t maxReportLatencyNs) = 0;
virtual Return<Result> flush(int32_t sensorHandle) = 0;
virtual Return<Result> injectSensorData(const Event& event) = 0;
virtual Return<void> registerDirectChannel(const SharedMemInfo& mem,
ISensors::registerDirectChannel_cb _hidl_cb) = 0;
virtual Return<Result> unregisterDirectChannel(int32_t channelHandle) = 0;
virtual Return<void> configDirectReport(int32_t sensorHandle, int32_t channelHandle,
RateLevel rate,
ISensors::configDirectReport_cb _hidl_cb) = 0;
virtual Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& args) = 0;
virtual const std::string getName() = 0;
};
template <typename T>
class SubHalWrapperBase : public ISubHalWrapperBase {
public:
SubHalWrapperBase(T* subHal) : mSubHal(subHal){};
virtual bool supportsNewEvents() override { return false; }
virtual Return<void> getSensorsList(
::android::hardware::sensors::V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) override {
return mSubHal->getSensorsList(
[&](const auto& list) { _hidl_cb(convertToNewSensorInfos(list)); });
}
Return<Result> setOperationMode(OperationMode mode) override {
return mSubHal->setOperationMode(mode);
}
Return<Result> activate(int32_t sensorHandle, bool enabled) override {
return mSubHal->activate(sensorHandle, enabled);
}
Return<Result> batch(int32_t sensorHandle, int64_t samplingPeriodNs,
int64_t maxReportLatencyNs) override {
return mSubHal->batch(sensorHandle, samplingPeriodNs, maxReportLatencyNs);
}
Return<Result> flush(int32_t sensorHandle) override { return mSubHal->flush(sensorHandle); }
virtual Return<Result> injectSensorData(const Event& event) override {
return mSubHal->injectSensorData(convertToOldEvent(event));
}
Return<void> registerDirectChannel(const SharedMemInfo& mem,
ISensors::registerDirectChannel_cb _hidl_cb) override {
return mSubHal->registerDirectChannel(mem, _hidl_cb);
}
Return<Result> unregisterDirectChannel(int32_t channelHandle) override {
return mSubHal->unregisterDirectChannel(channelHandle);
}
Return<void> configDirectReport(int32_t sensorHandle, int32_t channelHandle, RateLevel rate,
ISensors::configDirectReport_cb _hidl_cb) override {
return mSubHal->configDirectReport(sensorHandle, channelHandle, rate, _hidl_cb);
}
Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& args) override {
return mSubHal->debug(fd, args);
}
const std::string getName() override { return mSubHal->getName(); }
protected:
T* mSubHal;
};
class SubHalWrapperV2_0 : public SubHalWrapperBase<V2_0::implementation::ISensorsSubHal> {
public:
SubHalWrapperV2_0(V2_0::implementation::ISensorsSubHal* subHal) : SubHalWrapperBase(subHal){};
Return<Result> initialize(V2_0::implementation::ISubHalCallback* callback,
V2_0::implementation::IScopedWakelockRefCounter* refCounter,
int32_t subHalIndex) override {
return mSubHal->initialize(
new V2_0::implementation::HalProxyCallbackV2_0(callback, refCounter, subHalIndex));
}
};
class SubHalWrapperV2_1 : public SubHalWrapperBase<V2_1::implementation::ISensorsSubHal> {
public:
SubHalWrapperV2_1(V2_1::implementation::ISensorsSubHal* subHal) : SubHalWrapperBase(subHal) {}
bool supportsNewEvents() override { return true; }
virtual Return<void> getSensorsList(
::android::hardware::sensors::V2_1::ISensors::getSensorsList_2_1_cb _hidl_cb) override {
return mSubHal->getSensorsList_2_1([&](const auto& list) { _hidl_cb(list); });
}
virtual Return<Result> injectSensorData(const Event& event) override {
return mSubHal->injectSensorData_2_1(event);
}
Return<Result> initialize(V2_0::implementation::ISubHalCallback* callback,
V2_0::implementation::IScopedWakelockRefCounter* refCounter,
int32_t subHalIndex) override {
return mSubHal->initialize(
new V2_0::implementation::HalProxyCallbackV2_1(callback, refCounter, subHalIndex));
}
};
} // namespace implementation
} // namespace V2_1
} // namespace sensors
} // namespace hardware
} // namespace android
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