code_app/app/scanner2/dialog_updateprogress.cpp

#include "dialog_updateprogress.h"
#include "ui_dialog_updateprogress.h"
#include <QMessageBox>
#include <QFile>
#include <QDir>
#include <QCryptographicHash>

#include "log/log.h"
extern HLOG g_hLog;

Dialog_updateProgress::Dialog_updateProgress(VersionDll *dll, const QString &url,
                                             const QString &savePath, QWidget *parent) :
    QDialog(parent)
    , m_versionDll(dll)
    , m_url(url)
    , m_savePath(savePath)
    , ui(new Ui::Dialog_updateProgress)
{
    ui->setupUi(this);
    ui->progressBar->setValue(0);

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

    m_stopThread = false;
    HGBase_OpenThread(ThreadFunc, this, &m_thread);
}

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

    delete ui;
}

HGInt HGAPI Dialog_updateProgress::HttpDownloadThreadFunc(HGULonglong totalSize, HGULonglong nowSize, HGPointer param)
{
    Dialog_updateProgress *p = (Dialog_updateProgress *)param;
    if (p->m_stopThread)
    {
        return 1;
    }

    if (totalSize != 0)
    {
        emit p->updateProgress(((double)nowSize / totalSize) * 100);
    }

    return 0;
}

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

    HGResult ret = p->m_versionDll->HttpDownload(p->m_url.toStdString().c_str(), p->m_savePath.toStdString().c_str(), HttpDownloadThreadFunc, p);
    if (HGBASE_ERR_OK != ret)
    {
        QFile::remove(p->m_savePath.toStdString().c_str());

        ErrorLog(g_hLog, "UpgradeHttpDownload:%u", ret);
    }

    emit p->finish();
}

void Dialog_updateProgress::on_updateProgress(int value)
{
    ui->progressBar->setValue(value);
}

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

void Dialog_updateProgress::on_pushButton_clicked()
{
    close();
}

void Dialog_updateProgress::closeEvent(QCloseEvent* e)
{
    m_stopThread = true;
}