code_app/app/fwupgrade/dialog_upgradefirmware.cpp

#include "dialog_upgradefirmware.h"
#include "ui_dialog_upgradefirmware.h"
#include <QMovie>
#include <QFileDialog>
#include <QCryptographicHash>
#include "base/HGBase.h"

Dialog_upgradeFirmware::Dialog_upgradeFirmware(HGVersionMgr versionMgr, SANE_Handle handle, const std::string &url, const std::string &version,
                                               const std::string& md5, QWidget *parent) :
    QDialog(parent)
    , m_versionMgr(versionMgr)
    , m_handle(handle)
    , m_url(url)
    , m_version(version)
    , m_md5(md5)
    , m_filePath("")
    , m_result(-1)
    , ui(new Ui::Dialog_upgradeFirmware)
{
    ui->setupUi(this);

    setWindowTitle(tr("upgrade"));
    setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint);

    ui->label_text->setText(tr("firmware upgrade in progress, please wait..."));

    QMovie *movie = new QMovie(":images/image_rsc/logo/waiting.gif");
    ui->label_gif->setMovie(movie);
    movie->setCacheMode(QMovie::CacheAll);
    movie->setScaledSize(QSize(ui->label_gif->width(), ui->label_gif->height()));
    movie->start();
    ui->label_gif->show();

    connect(this, SIGNAL(finish()), this, SLOT(on_finish()), Qt::QueuedConnection);

    HGBase_OpenThread(ThreadFunc, this, &m_thread);
}

Dialog_upgradeFirmware::Dialog_upgradeFirmware(SANE_Handle handle, const std::string &filePath, QWidget *parent)
    : QDialog(parent)
    , m_versionMgr(nullptr)
    , m_handle(handle)
    , m_url("")
    , m_version("")
    , m_md5("")
    , m_filePath(filePath)
    , m_result(-1)
    , ui(new Ui::Dialog_upgradeFirmware)
{
    ui->setupUi(this);

    setWindowTitle(tr("upgrade"));
    setWindowFlags(Qt::Dialog | Qt::FramelessWindowHint);

    ui->label_text->setText(tr("firmware upgrade in progress, please wait..."));

    QMovie *movie = new QMovie(":images/image_rsc/logo/waiting.gif");
    ui->label_gif->setMovie(movie);
    movie->setCacheMode(QMovie::CacheAll);
    movie->setScaledSize(QSize(ui->label_gif->width(), ui->label_gif->height()));
    movie->start();
    ui->label_gif->show();

    connect(this, SIGNAL(finish()), this, SLOT(on_finish()), Qt::QueuedConnection);

    HGBase_OpenThread(ThreadFunc, this, &m_thread);
}

Dialog_upgradeFirmware::~Dialog_upgradeFirmware()
{
    if (nullptr != m_thread)
    {
        HGBase_CloseThread(m_thread);
        m_thread = nullptr;
    }

    delete ui;
}

void HGAPI Dialog_upgradeFirmware::ThreadFunc(HGThread thread, HGPointer param)
{
    (void)thread;
    Dialog_upgradeFirmware *p = (Dialog_upgradeFirmware *)param;

    if (nullptr != p->m_versionMgr)
    {
        HGChar suffix[64];
        HGBase_GetFileSuffix(p->m_url.c_str(), suffix, 64);

        HGChar savePath[512];
        HGBase_GetConfigPath(savePath, 512);
        HGBase_CreateDir(savePath);
        HGChar fileName[128];
        sprintf(fileName, "%s.%s", p->m_version.c_str(), suffix);
        strcat(savePath, fileName);

        QFile saveFile(savePath);
        saveFile.open(QFile::ReadOnly);
        QByteArray fileMsg = saveFile.readAll();
        saveFile.close();
        QString md5_2 = QCryptographicHash::hash(fileMsg, QCryptographicHash::Md5).toHex();

        QFile f(savePath);
        if (!f.exists() || QString(p->m_md5.c_str()) != md5_2)
        {
            HGResult ret = HGVersion_HttpDownload(p->m_versionMgr, p->m_url.c_str(), savePath, nullptr, nullptr);
            if (HGBASE_ERR_OK == ret)
            {
                QFile saveFile(savePath);
                saveFile.open(QFile::ReadOnly);
                QByteArray fileMsg = saveFile.readAll();
                saveFile.close();
                QString md5_2 = QCryptographicHash::hash(fileMsg, QCryptographicHash::Md5).toHex();

                if (QString(p->m_md5.c_str()) == md5_2)
                {
                    if (SANE_STATUS_GOOD == sane_io_control(p->m_handle, IO_CTRL_CODE_SET_FIRMWARE_UPGRADE, (void*)savePath, nullptr))
                    {
                        p->m_result = 0;
                    }
                    else
                    {
                        p->m_result = 2;
                    }
                }
            }
            else
            {
                p->m_result = 1;
            }
        }
        else
        {
            if (SANE_STATUS_GOOD == sane_io_control(p->m_handle, IO_CTRL_CODE_SET_FIRMWARE_UPGRADE, (void*)savePath, nullptr))
            {
                p->m_result = 0;
            }
            else
            {
                p->m_result = 2;
            }
        }
    }
    else
    {
        if (SANE_STATUS_GOOD == sane_io_control(p->m_handle, IO_CTRL_CODE_SET_FIRMWARE_UPGRADE, (void*)p->m_filePath.c_str(), nullptr))
        {
            p->m_result = 0;
        }
        else
        {
            p->m_result = 2;
        }
    }

    emit p->finish();
}

int Dialog_upgradeFirmware::getUpgradeStatus()
{
    return m_result;
}

void Dialog_upgradeFirmware::on_finish()
{
    accept();
}