mirror of
https://github.com/openharmony/graphic_wms.git
synced 2026-07-01 22:04:52 -04:00
mamingshuai
91 lines
2.7 KiB
C++
Executable File
91 lines
2.7 KiB
C++
Executable File
/*
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
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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 "input_manager_service.h"
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#include "graphic_log.h"
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namespace OHOS {
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InputEventHub* InputManagerService::hub_ = nullptr;
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InputEventDistributer InputManagerService::distributer_;
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pthread_t InputManagerService::distributerThread_ = -1;
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int32_t InputManagerService::distributerThreadCreated_;
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std::queue<RawEvent> InputManagerService::eventQueue_;
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pthread_mutex_t InputManagerService::lock_;
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pthread_cond_t InputManagerService::nonEmpty_;
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pthread_cond_t InputManagerService::nonFull_;
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void InputManagerService::Run()
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{
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hub_ = InputEventHub::GetInstance();
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hub_->RegisterReadCallback(ReadCallback);
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hub_->SetUp();
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distributerThreadCreated_ = pthread_create(&distributerThread_, nullptr, Distribute, nullptr);
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if (!distributerThreadCreated_) {
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pthread_detach(distributerThread_);
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}
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}
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void InputManagerService::Stop()
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{
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hub_->TearDown();
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}
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InputManagerService::~InputManagerService()
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{
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pthread_mutex_destroy(&lock_);
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pthread_cond_destroy(&nonEmpty_);
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pthread_cond_destroy(&nonFull_);
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}
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void InputManagerService::ReadCallback(const RawEvent* event)
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{
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if (event == nullptr) {
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return;
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}
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pthread_mutex_lock(&lock_);
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while (eventQueue_.size() == MAX_EVENT_SIZE) {
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pthread_cond_wait(&nonFull_, &lock_);
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}
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// push events into queue
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eventQueue_.push(event[0]);
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pthread_mutex_unlock(&lock_);
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pthread_cond_signal(&nonEmpty_);
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}
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void* InputManagerService::Distribute(void* args)
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{
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GRAPHIC_LOGI("InputManagerService::Distribute Ready to read distribute!");
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while (true) {
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pthread_mutex_lock(&lock_);
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while (eventQueue_.size() == 0) {
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pthread_cond_wait(&nonEmpty_, &lock_);
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}
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// pop events from queue
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RawEvent events[MAX_INPUT_DEVICE_NUM];
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int32_t len = (eventQueue_.size() > MAX_EVENT_SIZE) ? MAX_EVENT_SIZE : eventQueue_.size();
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for (int32_t i = 0; i < len; i++) {
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events[i] = eventQueue_.front();
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eventQueue_.pop();
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}
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distributer_.Distribute(events, len);
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pthread_mutex_unlock(&lock_);
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pthread_cond_signal(&nonFull_);
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}
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return nullptr;
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}
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} // namespace OHOS
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