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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "elapsedcounterwidget.h"
#include <QDateTime>
#include <QHBoxLayout>
#include "common/timecodefunctions.h"
OLIVE_NAMESPACE_ENTER
ElapsedCounterWidget::ElapsedCounterWidget(QWidget* parent) :
QWidget(parent),
last_progress_(0),
start_time_(0)
{
QHBoxLayout* layout = new QHBoxLayout(this);
layout->setSpacing(layout->spacing() * 8);
layout->setMargin(0);
elapsed_lbl_ = new QLabel();
layout->addWidget(elapsed_lbl_);
remaining_lbl_ = new QLabel();
layout->addWidget(remaining_lbl_);
elapsed_timer_.setInterval(500);
connect(&elapsed_timer_, &QTimer::timeout, this, &ElapsedCounterWidget::UpdateTimers);
UpdateTimers();
}
void ElapsedCounterWidget::SetProgress(double d)
{
last_progress_ = d;
UpdateTimers();
}
void ElapsedCounterWidget::Start()
{
Start(QDateTime::currentMSecsSinceEpoch());
}
void ElapsedCounterWidget::Start(qint64 start_time)
{
start_time_ = start_time;
elapsed_timer_.start();
UpdateTimers();
}
void ElapsedCounterWidget::UpdateTimers()
{
int64_t elapsed_ms, remaining_ms;
if (last_progress_ > 0) {
elapsed_ms = QDateTime::currentMSecsSinceEpoch() - start_time_;
double ms_per_progress_unit = elapsed_ms / last_progress_;
double remaining_progress = 1.0 - last_progress_;
remaining_ms = qRound64(ms_per_progress_unit * remaining_progress);
} else {
elapsed_ms = 0;
remaining_ms = 0;
}
elapsed_lbl_->setText(tr("Elapsed: %1").arg(Timecode::TimeToString(elapsed_ms)));
remaining_lbl_->setText(tr("Remaining: %1").arg(Timecode::TimeToString(remaining_ms)));
}
OLIVE_NAMESPACE_EXIT
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