xref: /foundation/multimodalinput/input/uinput/virtual_device.h (revision c29fa5a6)

/*
 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
 * 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.
 */

#ifndef VIRTUAL_DEVICE_H
#define VIRTUAL_DEVICE_H

#include <cstdint>
#include <vector>

#include "linux/uinput.h"
#include "nocopyable.h"

namespace OHOS {
namespace MMI {
class VirtualDevice {
public:
    VirtualDevice(const char *deviceName, uint16_t productId);
    DISALLOW_COPY_AND_MOVE(VirtualDevice);
    virtual ~VirtualDevice();
    bool EmitEvent(uint16_t type, uint16_t code, uint32_t value) const;
    bool SetUp();

private:
    bool SetUpExt();

protected:
    virtual const std::vector<uint32_t>& GetEventTypes() const;
    virtual const std::vector<uint32_t>& GetKeys() const;
    virtual const std::vector<uint32_t>& GetProperties() const;
    virtual const std::vector<uint32_t>& GetAbs() const;
    virtual const std::vector<uint32_t>& GetRelBits() const;
    int32_t fd_ { -1 };
    const char * const deviceName_;
    const uint16_t busType_;
    const uint16_t vendorId_;
    const uint16_t productId_;
    const uint16_t version_;
    uinput_user_dev dev_ {};
};
} // namespace MMI
} // namespace OHOS
#endif // VIRTUAL_DEVICE_H