/****************************************************************************
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** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the plugins of the Qt Toolkit.
**
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** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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****************************************************************************/

#ifndef QIOSFILEENGINEASSETSLIBRARY_H
#define QIOSFILEENGINEASSETSLIBRARY_H

#include <QtCore/private/qabstractfileengine_p.h>

Q_FORWARD_DECLARE_OBJC_CLASS(ALAsset);
class QIOSAssetData;

class QIOSFileEngineAssetsLibrary : public QAbstractFileEngine
{
public:
    QIOSFileEngineAssetsLibrary(const QString &fileName);
    ~QIOSFileEngineAssetsLibrary();

    bool open(QIODevice::OpenMode openMode) Q_DECL_OVERRIDE;
    bool close() Q_DECL_OVERRIDE;
    FileFlags fileFlags(FileFlags type) const Q_DECL_OVERRIDE;
    qint64 size() const Q_DECL_OVERRIDE;
    qint64 read(char *data, qint64 maxlen) Q_DECL_OVERRIDE;
    qint64 pos() const Q_DECL_OVERRIDE;
    bool seek(qint64 pos) Q_DECL_OVERRIDE;
    QString fileName(FileName file) const Q_DECL_OVERRIDE;
    void setFileName(const QString &file) Q_DECL_OVERRIDE;
    QStringList entryList(QDir::Filters filters, const QStringList &filterNames) const Q_DECL_OVERRIDE;
    void setError(QFile::FileError error, const QString &str) { QAbstractFileEngine::setError(error, str); }

private:
    QString m_fileName;
    qint64 m_offset;
    mutable QIOSAssetData *m_data;

    ALAsset *loadAsset() const;
};

#endif // QIOSFILEENGINEASSETSLIBRARY_H