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****************************************************************************/

#ifndef QICON_P_H

#define QICON_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include <QtCore/qglobal.h>

#include <QtCore/qsize.h>

#include <QtCore/qlist.h>

#include <QtGui/qpixmap.h>

#include <QtGui/qicon.h>

#include <QtGui/qiconengine.h>

#ifndef QT_NO_ICON

QT_BEGIN_NAMESPACE

class QIconPrivate

{

public:

    QIconPrivate();

    ~QIconPrivate() {

        if (engine_version == 1) {

            if (!v1RefCount->deref()) {

                delete engine;

                delete v1RefCount;

            }

        } else if (engine_version == 2) {

            delete engine;

        }

    }

    QIconEngine *engine;

    QAtomicInt ref;

    int serialNum;

    int detach_no;

    int engine_version;

    QAtomicInt *v1RefCount;

};

struct QPixmapIconEngineEntry

{

    QPixmapIconEngineEntry():mode(QIcon::Normal), state(QIcon::Off){}

    QPixmapIconEngineEntry(const QPixmap &pm, QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off)

        :pixmap(pm), size(pm.size()), mode(m), state(s){}

    QPixmapIconEngineEntry(const QString &file, const QSize &sz = QSize(), QIcon::Mode m = QIcon::Normal, QIcon::State s = QIcon::Off)

        :fileName(file), size(sz), mode(m), state(s){}

    QPixmap pixmap;

    QString fileName;

    QSize size;

    QIcon::Mode mode;

    QIcon::State state;

    bool isNull() const {return (fileName.isEmpty() && pixmap.isNull()); }

};

class QPixmapIconEngine : public QIconEngineV2 {

public:

    QPixmapIconEngine();

    QPixmapIconEngine(const QPixmapIconEngine &);

    ~QPixmapIconEngine();

    void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state);

    QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);

    QPixmapIconEngineEntry *bestMatch(const QSize &size, QIcon::Mode mode, QIcon::State state, bool sizeOnly);

    QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state);

    void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state);

    void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state);

    // v2 functions

    QString key() const;

    QIconEngineV2 *clone() const;

    bool read(QDataStream &in);

    bool write(QDataStream &out) const;

    void virtual_hook(int id, void *data);

private:

    QPixmapIconEngineEntry *tryMatch(const QSize &size, QIcon::Mode mode, QIcon::State state);

    QVector<QPixmapIconEngineEntry> pixmaps;

    friend QDataStream &operator<<(QDataStream &s, const QIcon &icon);

    friend class QIconThemeEngine;

};

QT_END_NAMESPACE

#endif //QT_NO_ICON

#endif // QICON_P_H