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/*
* nheko Copyright (C) 2017 Konstantinos Sideris <siderisk@auth.gr>
*
* 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 <QApplication>
#include <QBuffer>
#include <QFile>
#include <QFileInfo>
#include <QHBoxLayout>
#include <QMimeDatabase>
#include <QVBoxLayout>
#include "dialogs/PreviewUploadOverlay.h"
#include "Config.h"
#include "Logging.h"
#include "MainWindow.h"
#include "Utils.h"
using namespace dialogs;
constexpr const char *DEFAULT = "Upload %1?";
constexpr const char *ERR_MSG = "Failed to load image type '%1'. Continue upload?";
PreviewUploadOverlay::PreviewUploadOverlay(QWidget *parent)
: QWidget{parent}
, titleLabel_{this}
, fileName_{this}
, upload_{tr("Upload"), this}
, cancel_{tr("Cancel"), this}
{
auto hlayout = new QHBoxLayout;
hlayout->addStretch(1);
hlayout->addWidget(&cancel_);
hlayout->addWidget(&upload_);
hlayout->setMargin(0);
auto vlayout = new QVBoxLayout{this};
vlayout->addWidget(&titleLabel_);
vlayout->addWidget(&infoLabel_);
vlayout->addWidget(&fileName_);
vlayout->addLayout(hlayout);
vlayout->setSpacing(conf::modals::WIDGET_SPACING);
vlayout->setMargin(conf::modals::WIDGET_MARGIN);
upload_.setDefault(true);
connect(&upload_, &QPushButton::clicked, [this]() {
emit confirmUpload(data_, mediaType_, fileName_.text());
close();
});
connect(&cancel_, &QPushButton::clicked, this, &PreviewUploadOverlay::close);
}
void
PreviewUploadOverlay::init()
{
QSize winsize;
QPoint center;
auto window = MainWindow::instance();
if (window) {
winsize = window->frameGeometry().size();
center = window->frameGeometry().center();
} else {
nhlog::ui()->warn("unable to retrieve MainWindow's size");
}
fileName_.setText(QFileInfo{filePath_}.fileName());
setAutoFillBackground(true);
setWindowFlags(Qt::Tool | Qt::WindowStaysOnTopHint);
setWindowModality(Qt::WindowModal);
QFont font;
font.setPointSizeF(font.pointSizeF() * conf::modals::LABEL_MEDIUM_SIZE_RATIO);
titleLabel_.setFont(font);
titleLabel_.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
titleLabel_.setAlignment(Qt::AlignCenter);
infoLabel_.setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
fileName_.setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
fileName_.setAlignment(Qt::AlignCenter);
upload_.setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
cancel_.setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
if (isImage_) {
infoLabel_.setAlignment(Qt::AlignCenter);
const auto maxWidth = winsize.width() * 0.8;
const auto maxHeight = winsize.height() * 0.8;
// Scale image preview to fit into the application window.
infoLabel_.setPixmap(utils::scaleDown(maxWidth, maxHeight, image_));
move(center.x() - (width() * 0.5), center.y() - (height() * 0.5));
} else {
infoLabel_.setAlignment(Qt::AlignLeft);
}
infoLabel_.setScaledContents(false);
show();
}
void
PreviewUploadOverlay::setLabels(const QString &type, const QString &mime, uint64_t upload_size)
{
if (mediaType_ == "image") {
if (!image_.loadFromData(data_)) {
titleLabel_.setText(QString{tr(ERR_MSG)}.arg(type));
} else {
titleLabel_.setText(QString{tr(DEFAULT)}.arg(mediaType_));
}
isImage_ = true;
} else {
auto const info = QString{tr("Media type: %1\n"
"Media size: %2\n")}
.arg(mime)
.arg(utils::humanReadableFileSize(upload_size));
titleLabel_.setText(QString{tr(DEFAULT)}.arg("file"));
infoLabel_.setText(info);
}
}
void
PreviewUploadOverlay::setPreview(const QImage &src, const QString &mime)
{
auto const &split = mime.split('/');
auto const &type = split[1];
QBuffer buffer(&data_);
buffer.open(QIODevice::WriteOnly);
if (src.save(&buffer, type.toStdString().c_str()))
titleLabel_.setText(QString{tr(DEFAULT)}.arg("image"));
else
titleLabel_.setText(QString{tr(ERR_MSG)}.arg(type));
mediaType_ = split[0];
filePath_ = "clipboard." + type;
image_.convertFromImage(src);
isImage_ = true;
titleLabel_.setText(QString{tr(DEFAULT)}.arg("image"));
init();
}
void
PreviewUploadOverlay::setPreview(const QByteArray data, const QString &mime)
{
auto const &split = mime.split('/');
auto const &type = split[1];
data_ = data;
mediaType_ = split[0];
filePath_ = "clipboard." + type;
isImage_ = false;
setLabels(type, mime, data_.size());
init();
}
void
PreviewUploadOverlay::setPreview(const QString &path)
{
QFile file{path};
if (!file.open(QIODevice::ReadOnly)) {
nhlog::ui()->warn("Failed to open file ({}): {}",
path.toStdString(),
file.errorString().toStdString());
close();
return;
}
QMimeDatabase db;
auto mime = db.mimeTypeForFileNameAndData(path, &file);
if ((data_ = file.readAll()).isEmpty()) {
nhlog::ui()->warn("Failed to read media: {}", file.errorString().toStdString());
close();
return;
}
auto const &split = mime.name().split('/');
mediaType_ = split[0];
filePath_ = file.fileName();
isImage_ = false;
setLabels(split[1], mime.name(), data_.size());
init();
}
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