/**************************************************************************
**
** This file is part of Qt Creator
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**
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** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
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#ifndef DEBUGGER_SNAPSHOTHANDLER_H
#define DEBUGGER_SNAPSHOTHANDLER_H

#include <QtCore/QAbstractTableModel>
#include <QtCore/QPointer>

namespace Debugger {

class DebuggerRunControl;
class DebuggerEngine;

namespace Internal {

////////////////////////////////////////////////////////////////////////
//
// SnapshotModel
//
////////////////////////////////////////////////////////////////////////

/*! A model to represent the snapshots in a QTreeView. */
class SnapshotHandler : public QAbstractTableModel
{
    Q_OBJECT

public:
    explicit SnapshotHandler();
    ~SnapshotHandler();

    // Called from SnapshotHandler after a new snapshot has been added
    void removeAll();
    QAbstractItemModel *model() { return this; }
    int currentIndex() const { return m_currentIndex; }
    void appendSnapshot(DebuggerRunControl *rc);
    void removeSnapshot(DebuggerRunControl *rc);
    void setCurrentIndex(int index);
    int size() const { return m_snapshots.size(); }
    DebuggerRunControl *at(int index) const;
    QList<DebuggerRunControl *> runControls() const;

    void createSnapshot(int index);
    void activateSnapshot(int index);
    void removeSnapshot(int index);

private:
    // QAbstractTableModel
    int rowCount(const QModelIndex &parent) const;
    int columnCount(const QModelIndex &parent) const;
    QVariant data(const QModelIndex &index, int role) const;
    QVariant headerData(int section, Qt::Orientation orientation, int role) const;
    Qt::ItemFlags flags(const QModelIndex &index) const;
    Q_SLOT void resetModel() { reset(); }
    DebuggerEngine *engineAt(int i) const;

    int m_currentIndex;
    QList< QPointer<DebuggerRunControl> > m_snapshots;
    const QVariant m_positionIcon;
    const QVariant m_emptyIcon;
};

} // namespace Internal
} // namespace Debugger

#endif // DEBUGGER_SNAPSHOTHANDLER_H