mirror of
https://github.com/openharmony/drivers_peripheral.git
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wdh122119
77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/*
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* Copyright (c) 2023 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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#ifndef INPUT_INTERFACE_DEVICE_INFO_H
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#define INPUT_INTERFACE_DEVICE_INFO_H
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#include <set>
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#include <thread>
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#include <unordered_map>
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#include "libinput.h"
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#include "input_type.h"
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#include "input_interface_reporter.h"
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namespace OHOS {
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namespace Input {
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constexpr int32_t INVALID_FD = -1;
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constexpr int32_t MAX_REPORT_EVENT_SIZE = 100;
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const std::string TOUCH_DEVICE_NAME = "input_mt_wrapper";
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enum class ThreadState {STOP, RUNNING};
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class DeviceInfo final {
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public:
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DeviceInfo(std::shared_ptr<InputIfReporter> &reporter) : reporterSptr(reporter){};
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~DeviceInfo() = default;
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DeviceInfo(const DeviceInfo &other) = delete;
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DeviceInfo(DeviceInfo &&other) = delete;
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DeviceInfo &operator=(const DeviceInfo &other) = delete;
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DeviceInfo &operator=(DeviceInfo &&other) = delete;
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RetStatus Init();
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void Stop();
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private:
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RetStatus InitHotPlug();
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RetStatus EpollCreate();
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RetStatus CreateLibinputContext();
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RetStatus AddToEpoll(int32_t fd);
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RetStatus RemoveEpoll(int32_t fd);
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void EpollWaitThread();
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RetStatus Scan();
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void OnHotPlugEvent();
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void OnLibinputEvent();
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void ProcessPendingEvents();
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void ReportLibinputEvent(int eventNum);
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void OnDeviceAdded(const std::string &path);
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void OnDeviceRemoved(const std::string &path);
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RetStatus IsDeviceSupported(const std::string &path, bool &supported);
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int32_t epollFd_{INVALID_FD};
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int32_t libinputFd_{INVALID_FD};
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int32_t inotifyFd_{INVALID_FD};
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libinput *input_{nullptr};
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std::thread t_;
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ThreadState threadState_{ThreadState::STOP};
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std::shared_ptr<InputIfReporter> reporterSptr{nullptr};
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std::unordered_map<std::string, libinput_device*> devices_;
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std::mutex devicesMtx_;
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std::set<std::string> supportedDevice = {TOUCH_DEVICE_NAME};
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IfInputEvent eventInfo_[MAX_REPORT_EVENT_SIZE];
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};
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} // namespace Input
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} // namespace OHOS
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#endif // INPUT_INTERFACE_DEVICE_INFO_H
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