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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 <QDebug>
#include <QDesktopServices>
#include <QFile>
#include <QFileDialog>
#include <QFileInfo>
#include <QPainter>
#include <QPixmap>
#include "FileItem.h"
#include "ImageOverlayDialog.h"
namespace events = matrix::events;
namespace msgs = matrix::events::messages;
void
FileItem::init()
{
setMouseTracking(true);
setCursor(Qt::PointingHandCursor);
setAttribute(Qt::WA_Hover, true);
icon_.addFile(":/icons/icons/ui/arrow-pointing-down.png");
QList<QString> url_parts = url_.toString().split("mxc://");
if (url_parts.size() != 2) {
qDebug() << "Invalid format for image" << url_.toString();
return;
}
QString media_params = url_parts[1];
url_ = QString("%1/_matrix/media/r0/download/%2")
.arg(client_.data()->getHomeServer().toString(), media_params);
connect(client_.data(), &MatrixClient::fileDownloaded, this, &FileItem::fileDownloaded);
}
FileItem::FileItem(QSharedPointer<MatrixClient> client,
const events::MessageEvent<msgs::File> &event,
QWidget *parent)
: QWidget(parent)
, url_{event.msgContent().url()}
, text_{event.content().body()}
, event_{event}
, client_{client}
{
readableFileSize_ = calculateFileSize(event.msgContent().info().size);
init();
}
FileItem::FileItem(QSharedPointer<MatrixClient> client,
const QString &url,
const QString &filename,
QWidget *parent)
: QWidget(parent)
, url_{url}
, text_{QFileInfo(filename).fileName()}
, client_{client}
{
readableFileSize_ = calculateFileSize(QFileInfo(filename).size());
init();
}
QString
FileItem::calculateFileSize(int nbytes) const
{
if (nbytes < 1024)
return QString("%1 B").arg(nbytes);
if (nbytes < 1024 * 1024)
return QString("%1 KB").arg(nbytes / 1024);
return QString("%1 MB").arg(nbytes / 1024 / 1024);
}
void
FileItem::openUrl()
{
if (url_.toString().isEmpty())
return;
if (!QDesktopServices::openUrl(url_))
qWarning() << "Could not open url" << url_.toString();
}
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;
client_->downloadFile(event_.eventId(), url_);
} else {
openUrl();
}
}
void
FileItem::fileDownloaded(const QString &event_id, const QByteArray &data)
{
if (event_id != event_.eventId())
return;
try {
QFile file(filenameToSave_);
if (!file.open(QIODevice::WriteOnly))
return;
file.write(data);
file.close();
} catch (const std::exception &ex) {
qDebug() << "Error while saving file to:" << ex.what();
}
}
void
FileItem::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event);
QPainter painter(this);
painter.setRenderHint(QPainter::Antialiasing);
QFont font("Open Sans");
font.setPixelSize(12);
font.setWeight(80);
QFontMetrics fm(font);
int computedWidth = std::min(
fm.width(text_) + 2 * IconRadius + VerticalPadding * 2 + TextPadding, (double)MaxWidth);
QPainterPath path;
path.addRoundedRect(QRectF(0, 0, computedWidth, 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,
computedWidth - HorizontalPadding * 2 - TextPadding - 2 * IconRadius);
painter.setFont(font);
painter.setPen(QPen(textColor_));
painter.drawText(QPoint(textStartX, textStartY), elidedText);
// Draw the filesize.
font.setWeight(50);
painter.setFont(font);
painter.setPen(QPen(textColor_));
painter.drawText(QPoint(textStartX, textStartY + 1.5 * fm.ascent()), readableFileSize_);
}
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