/*
   Copyright (c) 2020 David Faure <faure@kde.org>

   This library is free software; you can redistribute it and/or modify
   it under the terms of the GNU Library General Public License as published
   by the Free Software Foundation; either version 2 of the License or
   ( at your option ) version 3 or, at the discretion of KDE e.V.
   ( which shall act as a proxy as in section 14 of the GPLv3 ), 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include "pixmapcache.h"
#include "ruqolawidgets_debug.h"

QPixmap PixmapCache::pixmapForLocalFile(const QString &path)
{
    auto pixmap = findCachedPixmap(path);

    if (pixmap.isNull()) {
        pixmap = QPixmap(path);
        if (pixmap.isNull()) {
            qCWarning(RUQOLAWIDGETS_LOG) << "Could not load" << path;
            return pixmap;
        }
        insertCachedPixmap(path, pixmap);
    }

    return pixmap;
}

QPixmap PixmapCache::findCachedPixmap(const QString &path)
{
    auto it = mCachedImages.find(path);
    return it == mCachedImages.end() ? QPixmap() : it->value;
}

void PixmapCache::insertCachedPixmap(const QString &path, const QPixmap &pixmap)
{
    mCachedImages.insert(path, pixmap);
}

void PixmapCache::clear()
{
    mCachedImages.clear();
}
