libnfc_cpptools/gui/UI/MainWindow.cpp

//
// Created by robin on 10/1/17.
//

#include "MainWindow.h"
#include <QMessageBox>
#include <Core/LibNfcOperation.hxx>

MainWindow::MainWindow(QWidget *parent)
        : QMainWindow(parent)
        , m_pUi(new Ui_MainWindow())
{
    m_pUi->setupUi(this);

    refreshReaders();
}

bool MainWindow::initLibNfc()
{
    if (!m_pLibNfc) {
        m_pLibNfc.reset(new LibNfcBusiness());
        auto initResult = m_pLibNfc->init();
        if (!initResult) {
            showError(initResult);
            return false;
        }
    }
    return true;
}

void MainWindow::refreshReaders()
{
    if (!initLibNfc()) {
        return;
    }
    m_pUi->pComboReaders->clear();

    LibNfcOperation::runOperation<std::vector<std::shared_ptr<NfcDeviceBusiness>>>(m_pLibNfc, [](QSharedPointer<LibNfcBusiness> libNfc)
                         {
                             return (Result<std::vector<std::shared_ptr<NfcDeviceBusiness>>>) libNfc->getDevices();
                         }, [this](Result<std::vector<std::shared_ptr<NfcDeviceBusiness>>> devicesResult)
    {
        m_devices = devicesResult.getData();
        for (auto& device : m_devices) {
            m_pUi->pComboReaders->addItem(device->getConnStr().c_str());
        }
    });

//    auto devicesResult = m_pLibNfc->getDevices();
//    if (!devicesResult) {
//        showError(devicesResult);
//        return;
//    }
//
//    m_devices = devicesResult.getData();
//    for (auto& device : m_devices) {
//        m_pUi->pComboReaders->addItem(device->getConnStr().c_str());
//    }
}

template<typename T>
void MainWindow::showError(Result<T> result)
{
    result.print();
    QMessageBox::critical(this, "LibNfc Error", QString("LibNfc error: %1").arg(result.getError().c_str()));
}