matrixion/src/AvatarProvider.cpp

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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/>.
*/
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#include <QBuffer>
#include <QPixmapCache>
#include <memory>
#include <unordered_map>
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#include "AvatarProvider.h"
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#include "Cache.h"
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#include "Logging.h"
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#include "MatrixClient.h"
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static QPixmapCache avatar_cache;
namespace AvatarProvider {
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void
resolve(const QString &avatarUrl, int size, QObject *receiver, AvatarCallback callback)
{
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const auto cacheKey = QString("%1_size_%2").arg(avatarUrl).arg(size);
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if (avatarUrl.isEmpty())
return;
QPixmap pixmap;
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if (avatar_cache.find(cacheKey, &pixmap)) {
callback(pixmap);
return;
}
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auto data = cache::image(avatarUrl);
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if (!data.isNull()) {
pixmap.loadFromData(data);
avatar_cache.insert(cacheKey, pixmap);
callback(pixmap);
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return;
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}
auto proxy = std::make_shared<AvatarProxy>();
QObject::connect(proxy.get(),
&AvatarProxy::avatarDownloaded,
receiver,
[callback, cacheKey](const QByteArray &data) {
QPixmap pm;
pm.loadFromData(data);
avatar_cache.insert(cacheKey, pm);
callback(pm);
});
mtx::http::ThumbOpts opts;
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opts.width = size;
opts.height = size;
opts.mxc_url = avatarUrl.toStdString();
http::client()->get_thumbnail(
opts,
[opts, 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;
}
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cache::saveImage(opts.mxc_url, 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)
{
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const auto avatarUrl = cache::avatarUrl(room_id, user_id);
resolve(avatarUrl, size, receiver, callback);
}
}