matrixion/src/AvatarProvider.cpp
Nicolas Werner 28adc9dc9b Respect exif rotation of images
Sometimes thumbnails still have the wrong dimensions, as they are scaled
to fit inside a rectange of the reported size in the image. Not sure,
who is wrong there, the media repo or we.
2020-04-26 11:26:51 +02:00

98 lines
3.2 KiB
C++

/*
* 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 <QBuffer>
#include <QPixmapCache>
#include <memory>
#include <unordered_map>
#include "AvatarProvider.h"
#include "Cache.h"
#include "Logging.h"
#include "MatrixClient.h"
#include "Utils.h"
static QPixmapCache avatar_cache;
namespace AvatarProvider {
void
resolve(const QString &avatarUrl, int size, QObject *receiver, AvatarCallback callback)
{
const auto cacheKey = QString("%1_size_%2").arg(avatarUrl).arg(size);
if (avatarUrl.isEmpty())
return;
QPixmap pixmap;
if (avatar_cache.find(cacheKey, &pixmap)) {
callback(pixmap);
return;
}
auto data = cache::image(cacheKey);
if (!data.isNull()) {
pixmap = QPixmap::fromImage(utils::readImage(&data));
avatar_cache.insert(cacheKey, pixmap);
callback(pixmap);
return;
}
auto proxy = std::make_shared<AvatarProxy>();
QObject::connect(proxy.get(),
&AvatarProxy::avatarDownloaded,
receiver,
[callback, cacheKey](QByteArray data) {
QPixmap pm = QPixmap::fromImage(utils::readImage(&data));
avatar_cache.insert(cacheKey, pm);
callback(pm);
});
mtx::http::ThumbOpts opts;
opts.width = size;
opts.height = size;
opts.mxc_url = avatarUrl.toStdString();
http::client()->get_thumbnail(
opts,
[opts, cacheKey, proxy = std::move(proxy)](const std::string &res,
mtx::http::RequestErr err) {
if (err) {
nhlog::net()->warn("failed to download avatar: {} - ({} {})",
opts.mxc_url,
mtx::errors::to_string(err->matrix_error.errcode),
err->matrix_error.error);
return;
}
cache::saveImage(cacheKey.toStdString(), res);
emit proxy->avatarDownloaded(QByteArray(res.data(), res.size()));
});
}
void
resolve(const QString &room_id,
const QString &user_id,
int size,
QObject *receiver,
AvatarCallback callback)
{
const auto avatarUrl = cache::avatarUrl(room_id, user_id);
resolve(avatarUrl, size, receiver, callback);
}
}