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/******************************************************************************
* Copyright (C) 2017 Kitsune Ral <kitsune-ral@users.sf.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avatar.h"
#include "jobs/mediathumbnailjob.h"
#include "events/eventcontent.h"
#include "connection.h"
using namespace QMatrixClient;
class Avatar::Private
{
public:
Private(Connection* c, QIcon di) : _connection(c), _defaultIcon(di) { }
QPixmap get(int width, int height, Avatar::notifier_t notifier);
Connection* _connection;
const QIcon _defaultIcon;
QUrl _url;
QPixmap _originalPixmap;
std::vector<QPair<QSize, QPixmap>> _scaledPixmaps;
QSize _requestedSize;
bool _valid = false;
MediaThumbnailJob* _ongoingRequest = nullptr;
std::vector<notifier_t> notifiers;
};
Avatar::Avatar(Connection* connection, QIcon defaultIcon)
: d(new Private { connection, std::move(defaultIcon) })
{ }
Avatar::~Avatar() = default;
QPixmap Avatar::get(int width, int height, Avatar::notifier_t notifier)
{
return d->get(width, height, notifier);
}
QPixmap Avatar::Private::get(int width, int height, Avatar::notifier_t notifier)
{
QSize size(width, height);
// FIXME: Alternating between longer-width and longer-height requests
// is a sure way to trick the below code into constantly getting another
// image from the server because the existing one is alleged unsatisfactory.
// This is plain abuse by the client, though; so not critical for now.
if( ( !(_valid || _ongoingRequest)
|| width > _requestedSize.width()
|| height > _requestedSize.height() ) && _url.isValid() )
{
qCDebug(MAIN) << "Getting avatar from" << _url.toString();
_requestedSize = size;
if (_ongoingRequest)
_ongoingRequest->abandon();
notifiers.emplace_back(std::move(notifier));
_ongoingRequest = _connection->callApi<MediaThumbnailJob>(_url, size);
_ongoingRequest->connect( _ongoingRequest, &MediaThumbnailJob::finished,
_connection, [=]() {
if (_ongoingRequest->status().good())
{
_valid = true;
_originalPixmap = _ongoingRequest->scaledThumbnail(_requestedSize);
_scaledPixmaps.clear();
for (auto n: notifiers)
n();
}
_ongoingRequest = nullptr;
});
}
if( _originalPixmap.isNull() )
{
if (_defaultIcon.isNull())
return _originalPixmap;
_originalPixmap = _defaultIcon.pixmap(size);
}
for (auto p: _scaledPixmaps)
if (p.first == size)
return p.second;
auto pixmap = _originalPixmap.scaled(size,
Qt::KeepAspectRatio, Qt::SmoothTransformation);
_scaledPixmaps.emplace_back(size, pixmap);
return pixmap;
}
QUrl Avatar::url() const { return d->_url; }
bool Avatar::updateUrl(const QUrl& newUrl)
{
if (newUrl == d->_url)
return false;
d->_url = newUrl;
d->_valid = false;
return true;
}
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