intro.h

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// Copyright (c) 2011-2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#ifndef BITCOIN_QT_INTRO_H
#define BITCOIN_QT_INTRO_H

#include <QDialog>
#include <QMutex>
#include <QThread>

static const bool DEFAULT_CHOOSE_DATADIR = false;

class FreespaceChecker;

namespace interfaces {
    class Node;
}

namespace Ui {
    class Intro;
}

class Intro : public QDialog
{
    Q_OBJECT

public:
    explicit Intro(QWidget *parent = nullptr,
                   uint64_t blockchain_size = 0, uint64_t chain_state_size = 0);
    ~Intro();

    QString getDataDirectory();
    void setDataDirectory(const QString &dataDir);

    static bool pickDataDirectory(interfaces::Node& node);

Q_SIGNALS:
    void requestCheck();

public Q_SLOTS:
    void setStatus(int status, const QString &message, quint64 bytesAvailable);

private Q_SLOTS:
    void on_dataDirectory_textChanged(const QString &arg1);
    void on_ellipsisButton_clicked();
    void on_dataDirDefault_clicked();
    void on_dataDirCustom_clicked();

private:
    Ui::Intro *ui;
    QThread *thread;
    QMutex mutex;
    bool signalled;
    QString pathToCheck;
    uint64_t m_blockchain_size;
    uint64_t m_chain_state_size;

    void startThread();
    void checkPath(const QString &dataDir);
    QString getPathToCheck();

    friend class FreespaceChecker;
};

#endif // BITCOIN_QT_INTRO_H