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/*
* Copyright 2013 Canonical Ltd.
*
* This program 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; version 3.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Jussi Pakkanen <jussi.pakkanen@canonical.com>
*/
#include "thumbnailgenerator.h"
#include <QDebug>
#include <QMimeDatabase>
#include <QUrl>
#include <settings.h>
#include "thumbnailerimageresponse.h"
namespace
{
const char* DEFAULT_VIDEO_ART = "/usr/share/thumbnailer/icons/video_missing.png";
const char* DEFAULT_ALBUM_ART = "/usr/share/thumbnailer/icons/album_missing.png";
QString default_image_based_on_mime(QString const &id)
{
QMimeDatabase db;
QMimeType mime = db.mimeTypeForFile(id);
if (mime.name().contains(QStringLiteral("audio")))
{
return DEFAULT_ALBUM_ART;
}
else if (mime.name().contains(QStringLiteral("video")))
{
return DEFAULT_VIDEO_ART; // LCOV_EXCL_LINE // Being lazy here: default art is about to go away.
}
return DEFAULT_ALBUM_ART;
}
} // namespace
namespace unity
{
namespace thumbnailer
{
namespace qml
{
ThumbnailGenerator::ThumbnailGenerator(std::shared_ptr<unity::thumbnailer::qt::Thumbnailer> const& thumbnailer)
: QQuickAsyncImageProvider()
, thumbnailer(thumbnailer)
{
}
QQuickImageResponse* ThumbnailGenerator::requestImageResponse(const QString& id, const QSize& requestedSize)
{
QSize size = requestedSize;
// TODO: Turn this into an error soonish.
if (!requestedSize.isValid())
{
qWarning().nospace() << "ThumbnailGenerator::requestImageResponse(): deprecated invalid QSize: "
<< requestedSize << ". This feature will be removed soon. Pass the desired size instead.";
// Size will be adjusted by the service to 128x128.
}
/* Allow appending a query string (e.g. ?something=timestamp)
* to the id and then ignore it.
* This is workaround to force reloading a thumbnail when it has
* the same file name on disk but we know the content has changed.
* It is necessary because in such a situation the QML image cache
* will kick in and this ImageProvider will never get called.
* The only "solution" is setting Image.cache = false, but in some
* cases we don't want to do that for performance reasons, so this
* is the only way around the issue for now. */
QString src_path = QUrl(id).path();
auto request = thumbnailer->getThumbnail(src_path, size);
return new ThumbnailerImageResponse(size, default_image_based_on_mime(id), request);
}
} // namespace qml
} // namespace thumbnailer
} // namespace unity
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