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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 <QBuffer>
#include <QtConcurrent>
#include "AvatarProvider.h"
#include "Cache.h"
#include "MatrixClient.h"
QSharedPointer<MatrixClient> AvatarProvider::client_;
QSharedPointer<Cache> AvatarProvider::cache_;
void
AvatarProvider::resolve(const QString &room_id,
const QString &user_id,
QObject *receiver,
std::function<void(QImage)> callback)
{
const auto key = QString("%1 %2").arg(room_id).arg(user_id);
const auto avatarUrl = Cache::avatarUrl(room_id, user_id);
if (!Cache::AvatarUrls.contains(key) || cache_.isNull())
return;
if (avatarUrl.isEmpty())
return;
auto data = cache_->image(avatarUrl);
if (!data.isNull()) {
callback(QImage::fromData(data));
return;
}
auto proxy = client_->fetchUserAvatar(avatarUrl);
if (proxy.isNull())
return;
connect(proxy.data(),
&DownloadMediaProxy::avatarDownloaded,
receiver,
[user_id, proxy, callback, avatarUrl](const QImage &img) {
proxy->deleteLater();
QtConcurrent::run([img, avatarUrl]() {
QByteArray data;
QBuffer buffer(&data);
buffer.open(QIODevice::WriteOnly);
img.save(&buffer, "PNG");
cache_->saveImage(avatarUrl, data);
});
callback(img);
});
}
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