ObservableCardReader.hpp

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/**************************************************************************************************
 * Copyright (c) 2024 Calypso Networks Association https://calypsonet.org/                        *
 *                                                                                                *
 * This program and the accompanying materials are made available under the                       *
 * terms of the MIT License which is available at https://opensource.org/licenses/MIT.            *
 *                                                                                                *
 * SPDX-License-Identifier: MIT                                                                   *
 **************************************************************************************************/
 
#pragma once
 
#include <memory>
 
#include "keypop/reader/CardReader.hpp"
#include "keypop/reader/spi/CardReaderObservationExceptionHandlerSpi.hpp"
#include "keypop/reader/spi/CardReaderObserverSpi.hpp"
 
namespace keypop {
namespace reader {
 
using keypop::reader::spi::CardReaderObservationExceptionHandlerSpi;
using keypop::reader::spi::CardReaderObserverSpi;
 
class ObservableCardReader : virtual public CardReader {
public:
    enum DetectionMode {
        REPEATING,
 
        SINGLESHOT
    };
 
    enum NotificationMode {
        ALWAYS,
        MATCHED_ONLY
    };
 
    virtual void setReaderObservationExceptionHandler(
        std::shared_ptr<CardReaderObservationExceptionHandlerSpi> exceptionHandler)
        = 0;
 
    virtual void addObserver(std::shared_ptr<CardReaderObserverSpi> observer) = 0;
 
    virtual void removeObserver(const std::shared_ptr<CardReaderObserverSpi> observer) = 0;
 
    virtual void clearObservers() = 0;
 
    virtual int countObservers() const = 0;
 
    virtual void startCardDetection(const DetectionMode detectionMode) = 0;
 
    virtual void stopCardDetection() = 0;
 
    virtual void finalizeCardProcessing() = 0;
};
 
} /* namespace reader */
} /* namespace keypop */