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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef IMAGELOADER_H
#define IMAGELOADER_H
#include <QThread>
#include <QUrl>
#include <QMutex>
#include <QAtomicInt>
#include "thumbnailableimage.h"
class ImageManager;
class ByteReader;
class ImageLoader : public QThread
{
Q_OBJECT
public:
ImageLoader();
~ImageLoader();
ThumbnailableImage image() const;
void setImage(const ThumbnailableImage &image);
signals:
void imageLoaded(const ThumbnailableImage &image);
void stopLoading();
void readRequired(const ThumbnailableImage &image);
void thumbnailRequired(const ThumbnailableImage &image);
void thumbnailDone(const ThumbnailableImage &image);
void unused();
public slots:
void stop();
protected:
void run();
private slots:
void queueInitialImage();
void unusedTimeout();
private:
ThumbnailableImage m_image;
QAtomicInt m_stop;
ByteReader *m_reader;
};
#endif // IMAGELOADER_H
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