modaloverlay.h

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// Copyright (c) 2016-2018 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_MODALOVERLAY_H
#define BITCOIN_QT_MODALOVERLAY_H

#include <QDateTime>
#include <QWidget>

static constexpr int HEADER_HEIGHT_DELTA_SYNC = 24;

namespace Ui {
    class ModalOverlay;
}

class ModalOverlay : public QWidget
{
    Q_OBJECT

public:
    explicit ModalOverlay(QWidget *parent);
    ~ModalOverlay();

public Q_SLOTS:
    void tipUpdate(int count, const QDateTime& blockDate, double nVerificationProgress);
    void setKnownBestHeight(int count, const QDateTime& blockDate);

    void toggleVisibility();
    // will show or hide the modal layer
    void showHide(bool hide = false, bool userRequested = false);
    void closeClicked();
    bool isLayerVisible() const { return layerIsVisible; }

protected:
    bool eventFilter(QObject * obj, QEvent * ev);
    bool event(QEvent* ev);

private:
    Ui::ModalOverlay *ui;
    int bestHeaderHeight; //best known height (based on the headers)
    QDateTime bestHeaderDate;
    QVector<QPair<qint64, double> > blockProcessTime;
    bool layerIsVisible;
    bool userClosed;
};

#endif // BITCOIN_QT_MODALOVERLAY_H