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// SPDX-License-Identifier: GPL-2.0
#include "qt-models/divepicturemodel.h"
#include "core/dive.h"
#include "core/metrics.h"
#include "core/divelist.h"
#include "core/imagedownloader.h"
#include <QtConcurrent>
extern QHash <QString, QImage> thumbnailCache;
static QMutex thumbnailMutex;
void scaleImages(PictureEntry &entry)
{
QMutexLocker l(&thumbnailMutex);
if (thumbnailCache.contains(entry.filename) && !thumbnailCache.value(entry.filename).isNull()) {
entry.image = thumbnailCache.value(entry.filename);
return;
}
l.unlock();
int dim = defaultIconMetrics().sz_pic;
QImage p = SHashedImage(entry.picture);
if(!p.isNull()) {
p = p.scaled(dim, dim, Qt::KeepAspectRatio);
QMutexLocker l(&thumbnailMutex);
if (!thumbnailCache.contains(entry.filename))
thumbnailCache.insert(entry.filename, p);
}
entry.image = p;
}
DivePictureModel *DivePictureModel::instance()
{
static DivePictureModel *self = new DivePictureModel();
return self;
}
DivePictureModel::DivePictureModel()
{
}
void DivePictureModel::updateDivePicturesWhenDone(QList<QFuture<void>> futures)
{
Q_FOREACH (QFuture<void> f, futures) {
f.waitForFinished();
}
updateDivePictures();
}
void DivePictureModel::updateDivePictures()
{
if (!pictures.isEmpty()) {
beginRemoveRows(QModelIndex(), 0, pictures.count() - 1);
pictures.clear();
endRemoveRows();
}
// if the dive_table is empty, ignore the displayed_dive
if (dive_table.nr == 0 || dive_get_picture_count(&displayed_dive) == 0)
return;
FOR_EACH_PICTURE_NON_PTR(displayed_dive)
pictures.push_back({picture, picture->filename, QImage(), picture->offset.seconds});
QtConcurrent::blockingMap(pictures, scaleImages);
beginInsertRows(QModelIndex(), 0, pictures.count() - 1);
endInsertRows();
}
int DivePictureModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return 2;
}
QVariant DivePictureModel::data(const QModelIndex &index, int role) const
{
QVariant ret;
if (!index.isValid())
return ret;
const PictureEntry &entry = pictures.at(index.row());
if (index.column() == 0) {
switch (role) {
case Qt::ToolTipRole:
ret = entry.filename;
break;
case Qt::DecorationRole:
ret = entry.image;
break;
case Qt::DisplayRole:
ret = QFileInfo(entry.filename).fileName();
break;
case Qt::DisplayPropertyRole:
ret = QFileInfo(entry.filename).filePath();
}
} else if (index.column() == 1) {
switch (role) {
case Qt::UserRole:
ret = QVariant::fromValue(entry.offsetSeconds);
break;
case Qt::DisplayRole:
ret = entry.filename;
}
}
return ret;
}
void DivePictureModel::removePicture(const QString &fileUrl, bool last)
{
dive_remove_picture(fileUrl.toUtf8().data());
if (last) {
copy_dive(current_dive, &displayed_dive);
updateDivePictures();
mark_divelist_changed(true);
}
}
int DivePictureModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
return pictures.count();
}
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