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#include "downloadfromdivecomputer.h"
#include "../libdivecomputer.h"
#include "../helpers.h"
#include "../display.h"
#include "../divelist.h"
#include "mainwindow.h"
#include <cstdlib>
#include <QThread>
#include <QDebug>
#include <QStringListModel>
#include <QTimer>
#include <QFileDialog>
#include <QMessageBox>
struct product {
const char *product;
dc_descriptor_t *descriptor;
struct product *next;
};
struct vendor {
const char *vendor;
struct product *productlist;
struct vendor *next;
};
struct mydescriptor {
const char *vendor;
const char *product;
dc_family_t type;
unsigned int model;
};
namespace DownloadFromDcGlobal {
const char *err_string;
};
DownloadFromDCWidget::DownloadFromDCWidget(QWidget* parent, Qt::WindowFlags f) : QDialog(parent, f),
thread(0),
downloading(false),
previousLast(0),
vendorModel(0),
productModel(0),
timer(new QTimer(this)),
dumpWarningShown(false),
currentState(INITIAL)
{
ui.setupUi(this);
ui.progressBar->hide();
ui.progressBar->setMinimum(0);
ui.progressBar->setMaximum(100);
fill_device_list();
fill_computer_list();
ui.chooseDumpFile->setEnabled(ui.dumpToFile->isChecked());
connect(ui.chooseDumpFile, SIGNAL(clicked()), this, SLOT(pickDumpFile()));
connect(ui.dumpToFile, SIGNAL(stateChanged(int)), this, SLOT(checkDumpFile(int)));
ui.chooseLogFile->setEnabled(ui.logToFile->isChecked());
connect(ui.chooseLogFile, SIGNAL(clicked()), this, SLOT(pickLogFile()));
connect(ui.logToFile, SIGNAL(stateChanged(int)), this, SLOT(checkLogFile(int)));
vendorModel = new QStringListModel(vendorList);
ui.vendor->setModel(vendorModel);
if (default_dive_computer_vendor) {
ui.vendor->setCurrentIndex(ui.vendor->findText(default_dive_computer_vendor));
productModel = new QStringListModel(productList[default_dive_computer_vendor]);
ui.product->setModel(productModel);
if (default_dive_computer_product)
ui.product->setCurrentIndex(ui.product->findText(default_dive_computer_product));
}
connect(ui.product, SIGNAL(currentIndexChanged(int)), this, SLOT(on_product_currentIndexChanged()), Qt::UniqueConnection);
if (default_dive_computer_device)
ui.device->setEditText(default_dive_computer_device);
timer->setInterval(200);
connect(timer, SIGNAL(timeout()), this, SLOT(updateProgressBar()));
updateState(INITIAL);
memset(&data, 0, sizeof(data));
}
void DownloadFromDCWidget::updateProgressBar()
{
if (*progress_bar_text != '\0') {
ui.progressBar->setFormat(progress_bar_text);
} else {
ui.progressBar->setFormat("%p%");
ui.progressBar->setValue(progress_bar_fraction *100);
}
}
void DownloadFromDCWidget::updateState(states state)
{
if (state == currentState)
return;
if (state == INITIAL) {
fill_device_list();
ui.progressBar->hide();
markChildrenAsEnabled();
timer->stop();
}
// tries to cancel an on going download
else if (currentState == DOWNLOADING && state == CANCELLING) {
import_thread_cancelled = true;
ui.cancel->setEnabled(false);
}
// user pressed cancel but the application isn't doing anything.
// means close the window
else if ((currentState == INITIAL || currentState == CANCELLED || currentState == DONE || currentState == ERROR)
&& state == CANCELLING) {
timer->stop();
reject();
ui.ok->setText(tr("OK"));
}
// the cancelation process is finished
else if (currentState == CANCELLING && (state == DONE || state == CANCELLED)) {
timer->stop();
state = CANCELLED;
ui.progressBar->setValue(0);
ui.progressBar->hide();
markChildrenAsEnabled();
}
// DOWNLOAD is finally done, but we don't know if there was an error as libdivecomputer doesn't pass
// that information on to us
// so check the progressBar text and if no error was reported, close the dialog and go back to the main window
// otherwise treat this as if the download was cancelled
else if (currentState == DOWNLOADING && state == DONE) {
timer->stop();
if (QString(progress_bar_text).contains("error", Qt::CaseInsensitive)) {
updateProgressBar();
markChildrenAsEnabled();
progress_bar_text = "";
ui.ok->setText(tr("Retry"));
} else {
ui.progressBar->setValue(100);
markChildrenAsEnabled();
ui.ok->setText(tr("OK"));
accept();
}
}
// DOWNLOAD is started.
else if (state == DOWNLOADING) {
timer->start();
ui.progressBar->setValue(0);
updateProgressBar();
ui.progressBar->show();
markChildrenAsDisabled();
}
// got an error
else if (state == ERROR) {
QMessageBox::critical(this, TITLE_OR_TEXT(tr("Error"), this->thread->error), QMessageBox::Ok);
markChildrenAsEnabled();
ui.progressBar->hide();
ui.ok->setText(tr("Retry"));
}
// properly updating the widget state
currentState = state;
}
void DownloadFromDCWidget::on_vendor_currentIndexChanged(const QString& vendor)
{
QAbstractItemModel *currentModel = ui.product->model();
if (!currentModel)
return;
productModel = new QStringListModel(productList[vendor]);
ui.product->setModel(productModel);
// Memleak - but deleting gives me a crash.
//currentModel->deleteLater();
}
void DownloadFromDCWidget::on_product_currentIndexChanged()
{
// Set up the DC descriptor
dc_descriptor_t *descriptor = NULL;
descriptor = descriptorLookup[ui.vendor->currentText() + ui.product->currentText()];
// call dc_descriptor_get_transport to see if the dc_transport_t is DC_TRANSPORT_SERIAL
if (dc_descriptor_get_transport(descriptor) == DC_TRANSPORT_SERIAL) {
// if the dc_transport_t is DC_TRANSPORT_SERIAL, then enable the device node box.
ui.device->setEnabled(true);
} else {
// otherwise disable the device node box
ui.device->setEnabled(false);
}
}
void DownloadFromDCWidget::fill_computer_list()
{
dc_iterator_t *iterator = NULL;
dc_descriptor_t *descriptor = NULL;
struct mydescriptor *mydescriptor;
QStringList computer;
dc_descriptor_iterator(&iterator);
while (dc_iterator_next (iterator, &descriptor) == DC_STATUS_SUCCESS) {
const char *vendor = dc_descriptor_get_vendor(descriptor);
const char *product = dc_descriptor_get_product(descriptor);
if (!vendorList.contains(vendor))
vendorList.append(vendor);
if (!productList[vendor].contains(product))
productList[vendor].push_back(product);
descriptorLookup[QString(vendor) + QString(product)] = descriptor;
}
dc_iterator_free(iterator);
/* and add the Uemis Zurich which we are handling internally
THIS IS A HACK as we magically have a data structure here that
happens to match a data structure that is internal to libdivecomputer;
this WILL BREAK if libdivecomputer changes the dc_descriptor struct...
eventually the UEMIS code needs to move into libdivecomputer, I guess */
mydescriptor = (struct mydescriptor*) malloc(sizeof(struct mydescriptor));
mydescriptor->vendor = "Uemis";
mydescriptor->product = "Zurich";
mydescriptor->type = DC_FAMILY_NULL;
mydescriptor->model = 0;
if (!vendorList.contains("Uemis"))
vendorList.append("Uemis");
if (!productList["Uemis"].contains("Zurich"))
productList["Uemis"].push_back("Zurich");
descriptorLookup[QString("UemisZurich")] = (dc_descriptor_t *)mydescriptor;
qSort(vendorList);
}
void DownloadFromDCWidget::on_search_clicked()
{
if (ui.vendor->currentText() == "Uemis") {
QString dirName = QFileDialog::getExistingDirectory(this,
tr("Find Uemis dive computer"),
QDir::homePath(),
QFileDialog::ShowDirsOnly);
qDebug() << dirName;
if (ui.device->findText(dirName) == -1)
ui.device->addItem(dirName);
ui.device->setEditText(dirName);
}
}
void DownloadFromDCWidget::on_cancel_clicked()
{
updateState(CANCELLING);
}
void DownloadFromDCWidget::on_ok_clicked()
{
updateState(DOWNLOADING);
// I don't really think that create/destroy the thread
// is really necessary.
if (thread) {
thread->deleteLater();
}
data.devname = strdup(ui.device->currentText().toUtf8().data());
data.vendor = strdup(ui.vendor->currentText().toUtf8().data());
data.product = strdup(ui.product->currentText().toUtf8().data());
data.descriptor = descriptorLookup[ui.vendor->currentText() + ui.product->currentText()];
data.force_download = ui.forceDownload->isChecked();
data.deviceid = data.diveid = 0;
set_default_dive_computer(data.vendor, data.product);
set_default_dive_computer_device(data.devname);
thread = new DownloadThread(this, &data);
connect(thread, SIGNAL(finished()),
this, SLOT(onDownloadThreadFinished()), Qt::QueuedConnection);
MainWindow *w = MainWindow::instance();
connect(thread, SIGNAL(finished()), w, SLOT(refreshDisplay()));
// before we start, remember where the dive_table ended
previousLast = dive_table.nr;
thread->start();
}
bool DownloadFromDCWidget::preferDownloaded()
{
return ui.preferDownloaded->isChecked();
}
void DownloadFromDCWidget::checkLogFile(int state)
{
ui.chooseLogFile->setEnabled(state == Qt::Checked);
data.libdc_log = (state == Qt::Checked);
if (state == Qt::Checked && logFile.isEmpty()) {
pickLogFile();
}
}
void DownloadFromDCWidget::pickLogFile()
{
QString filename = existing_filename ? : prefs.default_filename;
QFileInfo fi(filename);
filename = fi.absolutePath().append(QDir::separator()).append("subsurface.log");
logFile = QFileDialog::getSaveFileName(this, tr("Choose file for divecomputer download logfile"),
filename, tr("Log files (*.log)"));
if (!logFile.isEmpty()) {
if (logfile_name)
free(logfile_name);
logfile_name = strdup(logFile.toUtf8().data());
}
}
void DownloadFromDCWidget::checkDumpFile(int state)
{
ui.chooseDumpFile->setEnabled(state == Qt::Checked);
data.libdc_dump = (state == Qt::Checked);
if (state == Qt::Checked) {
if (dumpFile.isEmpty())
pickDumpFile();
if (!dumpWarningShown) {
QMessageBox::warning(this, tr("Warning"),
tr("Saving the libdivecomputer dump will NOT download dives to the dive list."));
dumpWarningShown = true;
}
}
}
void DownloadFromDCWidget::pickDumpFile()
{
QString filename = existing_filename ? : prefs.default_filename;
QFileInfo fi(filename);
filename = fi.absolutePath().append(QDir::separator()).append("subsurface.bin");
dumpFile = QFileDialog::getSaveFileName(this, tr("Choose file for divecomputer binary dump file"),
filename, tr("Dump files (*.bin)"));
if (!dumpFile.isEmpty()) {
if (dumpfile_name)
free(dumpfile_name);
dumpfile_name = strdup(dumpFile.toUtf8().data());
}
}
void DownloadFromDCWidget::reject()
{
// we don't want the download window being able to close
// while we're still downloading.
if (currentState != DOWNLOADING && currentState != CANCELLING)
QDialog::reject();
}
void DownloadFromDCWidget::onDownloadThreadFinished()
{
if (currentState == DOWNLOADING) {
if (thread->error.isEmpty())
updateState(DONE);
else
updateState(ERROR);
// I'm not sure if we should really call process_dives even
// if there's an error
if (import_thread_cancelled) {
// walk backwards so we don't keep moving the dives
// down in the dive_table
for (int i = dive_table.nr - 1; i >= previousLast; i--)
delete_single_dive(i);
} else {
process_dives(true, preferDownloaded());
}
} else {
updateState(CANCELLED);
}
}
void DownloadFromDCWidget::markChildrenAsDisabled()
{
ui.device->setDisabled(true);
ui.vendor->setDisabled(true);
ui.product->setDisabled(true);
ui.forceDownload->setDisabled(true);
ui.preferDownloaded->setDisabled(true);
ui.ok->setDisabled(true);
ui.search->setDisabled(true);
}
void DownloadFromDCWidget::markChildrenAsEnabled()
{
ui.device->setDisabled(false);
ui.vendor->setDisabled(false);
ui.product->setDisabled(false);
ui.forceDownload->setDisabled(false);
ui.preferDownloaded->setDisabled(false);
ui.ok->setDisabled(false);
ui.cancel->setDisabled(false);
ui.search->setDisabled(false);
}
static void fillDeviceList(const char *name, void *data)
{
QComboBox *comboBox = (QComboBox *)data;
comboBox->addItem(name);
}
void DownloadFromDCWidget::fill_device_list()
{
int deviceIndex;
ui.device->clear();
deviceIndex = enumerate_devices(fillDeviceList, ui.device);
if (deviceIndex >= 0)
ui.device->setCurrentIndex(deviceIndex);
}
DownloadThread::DownloadThread(QObject* parent, device_data_t* data): QThread(parent),
data(data)
{
}
static QString str_error(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
const QString str = QString().vsprintf( fmt, args );
va_end(args);
return str;
}
void DownloadThread::run()
{
const char *errorText;
import_thread_cancelled = false;
if (!strcmp(data->vendor, "Uemis"))
errorText = do_uemis_import(data->devname, data->force_download);
else
errorText = do_libdivecomputer_import(data);
if (errorText)
error = str_error(errorText, data->devname, data->vendor, data->product);
}
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