87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "EventQueue.h"
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#include "utils.h"
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#include <android-base/logging.h>
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#include <utils/Looper.h>
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namespace android {
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namespace frameworks {
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namespace sensorservice {
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namespace implementation {
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using ::aidl::android::frameworks::sensorservice::IEventQueueCallback;
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using ::aidl::android::hardware::sensors::Event;
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class EventQueueLooperCallback : public ::android::LooperCallback {
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public:
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EventQueueLooperCallback(sp<::android::SensorEventQueue> queue,
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std::shared_ptr<IEventQueueCallback> callback)
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: mQueue(queue), mCallback(callback) {}
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int handleEvent(int /* fd */, int /* events */, void* /* data */) {
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ASensorEvent event;
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ssize_t actual;
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auto internalQueue = mQueue.promote();
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if (internalQueue == nullptr) {
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return 1;
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}
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while ((actual = internalQueue->read(&event, 1)) > 0) {
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internalQueue->sendAck(&event, actual);
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ndk::ScopedAStatus ret = mCallback->onEvent(convertEvent(event));
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if (!ret.isOk()) {
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LOG(ERROR) << "Failed to envoke EventQueueCallback: " << ret;
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}
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}
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return 1; // continue to receive callbacks
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}
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private:
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wp<::android::SensorEventQueue> mQueue;
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std::shared_ptr<IEventQueueCallback> mCallback;
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};
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EventQueue::EventQueue(std::shared_ptr<IEventQueueCallback> callback, sp<::android::Looper> looper,
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sp<::android::SensorEventQueue> internalQueue)
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: mLooper(looper), mInternalQueue(internalQueue) {
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mLooper->addFd(internalQueue->getFd(), ALOOPER_POLL_CALLBACK, ALOOPER_EVENT_INPUT,
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new EventQueueLooperCallback(internalQueue, callback), nullptr);
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}
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EventQueue::~EventQueue() {
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mLooper->removeFd(mInternalQueue->getFd());
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}
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ndk::ScopedAStatus EventQueue::enableSensor(int32_t in_sensorHandle, int32_t in_samplingPeriodUs,
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int64_t in_maxBatchReportLatencyUs) {
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return convertResult(mInternalQueue->enableSensor(in_sensorHandle, in_samplingPeriodUs,
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in_maxBatchReportLatencyUs, 0));
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}
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ndk::ScopedAStatus EventQueue::disableSensor(int32_t in_sensorHandle) {
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return convertResult(mInternalQueue->disableSensor(in_sensorHandle));
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}
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} // namespace implementation
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} // namespace sensorservice
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} // namespace frameworks
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} // namespace android
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