1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
// Copyright (c) 2016-2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <qt/modaloverlay.h>
#include <qt/forms/ui_modaloverlay.h>
#include <chainparams.h>
#include <qt/guiutil.h>
#include <QEasingCurve>
#include <QPropertyAnimation>
#include <QResizeEvent>
ModalOverlay::ModalOverlay(bool enable_wallet, QWidget *parent) :
QWidget(parent),
ui(new Ui::ModalOverlay),
bestHeaderHeight(0),
bestHeaderDate(QDateTime()),
layerIsVisible(false),
userClosed(false)
{
ui->setupUi(this);
connect(ui->closeButton, &QPushButton::clicked, this, &ModalOverlay::closeClicked);
if (parent) {
parent->installEventFilter(this);
raise();
}
blockProcessTime.clear();
setVisible(false);
if (!enable_wallet) {
ui->infoText->setVisible(false);
ui->infoTextStrong->setText(tr("%1 is currently syncing. It will download headers and blocks from peers and validate them until reaching the tip of the block chain.").arg(PACKAGE_NAME));
}
m_animation.setTargetObject(this);
m_animation.setPropertyName("pos");
m_animation.setDuration(300 /* ms */);
m_animation.setEasingCurve(QEasingCurve::OutQuad);
}
ModalOverlay::~ModalOverlay()
{
delete ui;
}
bool ModalOverlay::eventFilter(QObject * obj, QEvent * ev) {
if (obj == parent()) {
if (ev->type() == QEvent::Resize) {
QResizeEvent * rev = static_cast<QResizeEvent*>(ev);
resize(rev->size());
if (!layerIsVisible)
setGeometry(0, height(), width(), height());
if (m_animation.endValue().toPoint().y() > 0) {
m_animation.setEndValue(QPoint(0, height()));
}
}
else if (ev->type() == QEvent::ChildAdded) {
raise();
}
}
return QWidget::eventFilter(obj, ev);
}
//! Tracks parent widget changes
bool ModalOverlay::event(QEvent* ev) {
if (ev->type() == QEvent::ParentAboutToChange) {
if (parent()) parent()->removeEventFilter(this);
}
else if (ev->type() == QEvent::ParentChange) {
if (parent()) {
parent()->installEventFilter(this);
raise();
}
}
return QWidget::event(ev);
}
void ModalOverlay::setKnownBestHeight(int count, const QDateTime& blockDate)
{
if (count > bestHeaderHeight) {
bestHeaderHeight = count;
bestHeaderDate = blockDate;
UpdateHeaderSyncLabel();
}
}
void ModalOverlay::tipUpdate(int count, const QDateTime& blockDate, double nVerificationProgress)
{
QDateTime currentDate = QDateTime::currentDateTime();
// keep a vector of samples of verification progress at height
blockProcessTime.push_front(qMakePair(currentDate.toMSecsSinceEpoch(), nVerificationProgress));
// show progress speed if we have more than one sample
if (blockProcessTime.size() >= 2) {
double progressDelta = 0;
double progressPerHour = 0;
qint64 timeDelta = 0;
qint64 remainingMSecs = 0;
double remainingProgress = 1.0 - nVerificationProgress;
for (int i = 1; i < blockProcessTime.size(); i++) {
QPair<qint64, double> sample = blockProcessTime[i];
// take first sample after 500 seconds or last available one
if (sample.first < (currentDate.toMSecsSinceEpoch() - 500 * 1000) || i == blockProcessTime.size() - 1) {
progressDelta = blockProcessTime[0].second - sample.second;
timeDelta = blockProcessTime[0].first - sample.first;
progressPerHour = (progressDelta > 0) ? progressDelta / (double)timeDelta * 1000 * 3600 : 0;
remainingMSecs = (progressDelta > 0) ? remainingProgress / progressDelta * timeDelta : -1;
break;
}
}
// show progress increase per hour
ui->progressIncreasePerH->setText(QString::number(progressPerHour * 100, 'f', 2)+"%");
// show expected remaining time
if(remainingMSecs >= 0) {
ui->expectedTimeLeft->setText(GUIUtil::formatNiceTimeOffset(remainingMSecs / 1000.0));
} else {
ui->expectedTimeLeft->setText(QObject::tr("unknown"));
}
static const int MAX_SAMPLES = 5000;
if (blockProcessTime.count() > MAX_SAMPLES) {
blockProcessTime.remove(MAX_SAMPLES, blockProcessTime.count() - MAX_SAMPLES);
}
}
// show the last block date
ui->newestBlockDate->setText(blockDate.toString());
// show the percentage done according to nVerificationProgress
ui->percentageProgress->setText(QString::number(nVerificationProgress*100, 'f', 2)+"%");
if (!bestHeaderDate.isValid())
// not syncing
return;
// estimate the number of headers left based on nPowTargetSpacing
// and check if the gui is not aware of the best header (happens rarely)
int estimateNumHeadersLeft = bestHeaderDate.secsTo(currentDate) / Params().GetConsensus().nPowTargetSpacing;
bool hasBestHeader = bestHeaderHeight >= count;
// show remaining number of blocks
if (estimateNumHeadersLeft < HEADER_HEIGHT_DELTA_SYNC && hasBestHeader) {
ui->numberOfBlocksLeft->setText(QString::number(bestHeaderHeight - count));
} else {
UpdateHeaderSyncLabel();
ui->expectedTimeLeft->setText(tr("Unknown…"));
}
}
void ModalOverlay::UpdateHeaderSyncLabel() {
int est_headers_left = bestHeaderDate.secsTo(QDateTime::currentDateTime()) / Params().GetConsensus().nPowTargetSpacing;
ui->numberOfBlocksLeft->setText(tr("Unknown. Syncing Headers (%1, %2%)…").arg(bestHeaderHeight).arg(QString::number(100.0 / (bestHeaderHeight + est_headers_left) * bestHeaderHeight, 'f', 1)));
}
void ModalOverlay::toggleVisibility()
{
showHide(layerIsVisible, true);
if (!layerIsVisible)
userClosed = true;
}
void ModalOverlay::showHide(bool hide, bool userRequested)
{
if ( (layerIsVisible && !hide) || (!layerIsVisible && hide) || (!hide && userClosed && !userRequested))
return;
Q_EMIT triggered(hide);
if (!isVisible() && !hide)
setVisible(true);
m_animation.setStartValue(QPoint(0, hide ? 0 : height()));
// The eventFilter() updates the endValue if it is required for QEvent::Resize.
m_animation.setEndValue(QPoint(0, hide ? height() : 0));
m_animation.start(QAbstractAnimation::KeepWhenStopped);
layerIsVisible = !hide;
}
void ModalOverlay::closeClicked()
{
showHide(true);
userClosed = true;
}
|
