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#include "progresswindow.h"
#include <iostream>
#include <boost/date_time/posix_time/posix_time.hpp>
#include <gtkmm/messagedialog.h>
ProgressWindow::ProgressWindow()
: _blockProgressSignal(false),
_currentTaskTitleLabel("Current task:"),
_currentTaskLabel("-"),
_timeElapsedTitleLabel("Time elapsed:"),
_timeElapsedLabel("-"),
_timeEstimatedTitleLabel("Estimated time:"),
_timeEstimatedLabel("-"),
_started(false),
_exceptionQueued(false),
_progress(0),
_maxProgress(0),
_finished(false) {
set_default_size(350, 60);
_currentTaskTitleLabel.set_vexpand(true);
_currentTaskTitleLabel.set_alignment(Gtk::ALIGN_END);
_currentTaskTitleLabel.set_padding(10, 2);
_grid.attach(_currentTaskTitleLabel, 0, 0, 1, 1);
_currentTaskLabel.set_alignment(Gtk::ALIGN_START);
_grid.attach(_currentTaskLabel, 1, 0, 1, 1);
_timeElapsedTitleLabel.set_vexpand(true);
_timeElapsedTitleLabel.set_alignment(Gtk::ALIGN_END);
_timeElapsedTitleLabel.set_padding(10, 2);
_grid.attach(_timeElapsedTitleLabel, 0, 1, 1, 1);
_timeElapsedLabel.set_alignment(Gtk::ALIGN_START);
_grid.attach(_timeElapsedLabel, 1, 1, 1, 1);
_timeEstimatedTitleLabel.set_vexpand(true);
_timeEstimatedTitleLabel.set_alignment(Gtk::ALIGN_END);
_timeEstimatedTitleLabel.set_padding(10, 2);
_grid.attach(_timeEstimatedTitleLabel, 0, 2, 1, 1);
_timeEstimatedLabel.set_alignment(Gtk::ALIGN_START);
_grid.attach(_timeEstimatedLabel, 1, 2, 1, 1);
_progressBar.set_hexpand(true);
_progressBar.set_vexpand(true);
_grid.attach(_progressBar, 0, 3, 2, 1);
add(_grid);
_grid.show_all();
_progressChangeSignal.connect(
sigc::mem_fun(*this, &ProgressWindow::updateProgress));
}
ProgressWindow::~ProgressWindow() = default;
void ProgressWindow::updateProgress() {
if (!_blockProgressSignal) {
if (!_started) {
_startTime = boost::posix_time::microsec_clock::local_time();
_lastUpdate = _startTime - boost::posix_time::time_duration(0, 0, 1);
_started = true;
}
std::unique_lock<std::mutex> lock(_mutex);
const boost::posix_time::ptime now =
boost::posix_time::microsec_clock::local_time();
const boost::posix_time::time_duration sinceLast = now - _lastUpdate;
const boost::posix_time::time_duration updTime =
boost::posix_time::millisec(100);
const bool doUpdate = sinceLast >= updTime;
if (doUpdate) {
_lastUpdate = now;
const boost::posix_time::time_duration duration = now - _startTime;
std::stringstream timeStr;
timeStr << duration;
_timeElapsedLabel.set_text(timeStr.str());
const std::string taskDesc = _taskDescription;
const double progress = std::min(
1.0, std::max(0.0, double(_progress) / double(_maxProgress)));
_currentTaskLabel.set_text(taskDesc);
_progressBar.set_fraction(progress);
if (progress > 0.0) {
std::stringstream estimatedTimeStr;
boost::posix_time::time_duration estimated =
(boost::posix_time::microsec_clock::local_time() - _startTime) *
(int)(1000000.0 * (1.0 - progress)) / (int)(1000000.0 * progress);
estimated = boost::posix_time::seconds(estimated.total_seconds());
estimatedTimeStr << estimated;
_timeEstimatedLabel.set_text(estimatedTimeStr.str());
}
}
const bool hasException = _exceptionQueued;
if (hasException) {
_exceptionQueued = false;
_blockProgressSignal = true;
if (_signalError.empty()) {
// Default handler: show a message dialog
const std::string errMsg =
std::string("An exception was thrown of type '") + _exceptionType +
("' -- ") + _exceptionDescription;
lock.unlock();
Gtk::MessageDialog dialog(*this, errMsg, false, Gtk::MESSAGE_ERROR);
dialog.run();
} else {
const std::string errDescr =
_exceptionDescription; // local copy to unlock mutex
lock.unlock();
_signalError(errDescr);
}
_signalFinished(false);
lock.lock();
_blockProgressSignal = false;
} else if (_finished) {
_finished = false; // Reset in case window is reused
lock.unlock();
_currentTaskLabel.set_text("-");
_timeEstimatedLabel.set_text("-");
_progressBar.set_fraction(1.0);
// Parent might delete this window in this call -- don't do anything
// after.
_signalFinished(true);
}
}
}
void ProgressWindow::OnStartTask(const std::string& description) {
std::unique_lock<std::mutex> lock(_mutex);
_taskDescription = description;
lock.unlock();
_progressChangeSignal();
}
void ProgressWindow::OnFinish() {
std::unique_lock<std::mutex> lock(_mutex);
_finished = true;
lock.unlock();
_progressChangeSignal();
}
void ProgressWindow::OnProgress(size_t progress, size_t maxProgress) {
std::unique_lock<std::mutex> lock(_mutex);
_progress = progress;
_maxProgress = maxProgress;
lock.unlock();
_progressChangeSignal();
}
void ProgressWindow::OnException(std::exception& thrownException) {
std::unique_lock<std::mutex> lock(_mutex);
_exceptionQueued = true;
_exceptionDescription = thrownException.what();
_exceptionType = typeid(thrownException).name();
lock.unlock();
_progressChangeSignal();
}
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