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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 <QBrush>
#include <QDesktopServices>
#include <QFile>
#include <QFileDialog>
#include <QPainter>
#include <QPixmap>
#include <QtGlobal>
#include "Logging.h"
#include "MatrixClient.h"
#include "Utils.h"
#include "timeline/widgets/FileItem.h"
constexpr int MaxWidth = 400;
constexpr int Height = 70;
constexpr int IconRadius = 22;
constexpr int IconDiameter = IconRadius * 2;
constexpr int HorizontalPadding = 12;
constexpr int TextPadding = 15;
constexpr int DownloadIconRadius = IconRadius - 4;
constexpr double VerticalPadding = Height - 2 * IconRadius;
constexpr double IconYCenter = Height / 2;
constexpr double IconXCenter = HorizontalPadding + IconRadius;
void
FileItem::init()
{
setMouseTracking(true);
setCursor(Qt::PointingHandCursor);
setAttribute(Qt::WA_Hover, true);
icon_.addFile(":/icons/icons/ui/arrow-pointing-down.png");
setFixedHeight(Height);
}
FileItem::FileItem(const mtx::events::RoomEvent<mtx::events::msg::File> &event, QWidget *parent)
: QWidget(parent)
, url_{QString::fromStdString(event.content.url)}
, text_{QString::fromStdString(event.content.body)}
, event_{event}
{
readableFileSize_ = utils::humanReadableFileSize(event.content.info.size);
init();
}
FileItem::FileItem(const QString &url, const QString &filename, uint64_t size, QWidget *parent)
: QWidget(parent)
, url_{url}
, text_{filename}
{
readableFileSize_ = utils::humanReadableFileSize(size);
init();
}
void
FileItem::openUrl()
{
if (url_.toString().isEmpty())
return;
auto urlToOpen = utils::mxcToHttp(
url_, QString::fromStdString(http::client()->server()), http::client()->port());
if (!QDesktopServices::openUrl(urlToOpen))
nhlog::ui()->warn("Could not open url: {}", urlToOpen.toStdString());
}
QSize
FileItem::sizeHint() const
{
return QSize(MaxWidth, Height);
}
void
FileItem::mousePressEvent(QMouseEvent *event)
{
if (event->button() != Qt::LeftButton)
return;
auto point = event->pos();
// Click on the download icon.
if (QRect(HorizontalPadding, VerticalPadding / 2, IconDiameter, IconDiameter)
.contains(point)) {
filenameToSave_ = QFileDialog::getSaveFileName(this, tr("Save File"), text_);
if (filenameToSave_.isEmpty())
return;
auto proxy = std::make_shared<MediaProxy>();
connect(proxy.get(), &MediaProxy::fileDownloaded, this, &FileItem::fileDownloaded);
http::client()->download(
url_.toString().toStdString(),
[proxy = std::move(proxy), url = url_](const std::string &data,
const std::string &,
const std::string &,
mtx::http::RequestErr err) {
if (err) {
nhlog::ui()->warn("failed to retrieve m.file content: {}",
url.toString().toStdString());
return;
}
emit proxy->fileDownloaded(QByteArray(data.data(), data.size()));
});
} else {
openUrl();
}
}
void
FileItem::fileDownloaded(const QByteArray &data)
{
try {
QFile file(filenameToSave_);
if (!file.open(QIODevice::WriteOnly))
return;
file.write(data);
file.close();
} catch (const std::exception &e) {
nhlog::ui()->warn("Error while saving file to: {}", e.what());
}
}
void
FileItem::resizeEvent(QResizeEvent *event)
{
QFont font;
font.setWeight(QFont::Medium);
QFontMetrics fm(font);
#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
const int computedWidth = std::min(
fm.width(text_) + 2 * IconRadius + VerticalPadding * 2 + TextPadding, (double)MaxWidth);
#else
const int computedWidth =
std::min(fm.horizontalAdvance(text_) + 2 * IconRadius + VerticalPadding * 2 + TextPadding,
(double)MaxWidth);
#endif
resize(computedWidth, Height);
event->accept();
}
void
FileItem::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
QFont font;
font.setWeight(QFont::Medium);
QFontMetrics fm(font);
QPainterPath path;
path.addRoundedRect(QRectF(0, 0, width(), height()), 10, 10);
painter.setPen(Qt::NoPen);
painter.fillPath(path, backgroundColor_);
painter.drawPath(path);
QPainterPath circle;
circle.addEllipse(QPoint(IconXCenter, IconYCenter), IconRadius, IconRadius);
painter.setPen(Qt::NoPen);
painter.fillPath(circle, iconColor_);
painter.drawPath(circle);
icon_.paint(&painter,
QRect(IconXCenter - DownloadIconRadius / 2,
IconYCenter - DownloadIconRadius / 2,
DownloadIconRadius,
DownloadIconRadius),
Qt::AlignCenter,
QIcon::Normal);
const int textStartX = HorizontalPadding + 2 * IconRadius + TextPadding;
const int textStartY = VerticalPadding + fm.ascent() / 2;
// Draw the filename.
QString elidedText = fm.elidedText(
text_, Qt::ElideRight, width() - HorizontalPadding * 2 - TextPadding - 2 * IconRadius);
painter.setFont(font);
painter.setPen(QPen(textColor_));
painter.drawText(QPoint(textStartX, textStartY), elidedText);
// Draw the filesize.
font.setWeight(QFont::Normal);
painter.setFont(font);
painter.setPen(QPen(textColor_));
painter.drawText(QPoint(textStartX, textStartY + 1.5 * fm.ascent()), readableFileSize_);
}
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