qcp/libqtavahi/qtavahimodel.h
2010-07-25 13:09:05 +02:00

118 lines
2.6 KiB
C++

#ifndef QTAVAHIMODEL_H
#define QTAVAHIMODEL_H
#include "qtavahi.h"
#include <QAbstractItemModel>
namespace Avahi {
class BrowseModel;
namespace model {
class Row {
public:
Row(Row *parent) : m_parent(parent) { }
Row() : m_parent(0) { }
virtual ~Row();
virtual int columnCount(); /* columns of child rows */
virtual QVariant data(int col, int role) = 0;
virtual Row* index(int row);
virtual int rowCount();
Row *parent() { return m_parent; }
protected:
Row *m_parent;
};
class RowList : public Row {
public:
typedef QList< Row* > List;
RowList(Row *parent) : Row(parent) { }
RowList() : Row() { }
virtual int columnCount() = 0; /* columns of child rows */
virtual Row* index(int row);
virtual int rowCount();
protected:
friend class Avahi::BrowseModel;
List list;
};
class Entry : public Row {
public:
Entry(Row *parent, const Avahi::Service &s) : Row(parent), service(s) { }
protected:
friend class Avahi::BrowseModel;
Avahi::Service service;
};
class EntryList : public RowList {
public:
EntryList(Row *parent, const Avahi::ServiceKey &k) : RowList(parent), key(k) { }
protected:
friend class Avahi::BrowseModel;
virtual Entry* newEntry(const Avahi::Service &s, void *priv) = 0;
Avahi::ServiceKey key;
};
class Root : public RowList {
public:
virtual QVariant data(int col, int role);
virtual QVariant emptyData(int col, int role);
virtual bool emptyShowData();
protected:
friend class Avahi::BrowseModel;
virtual EntryList* newList(const Avahi::ServiceKey &k) = 0;
};
}
class BrowseModel : public QAbstractItemModel {
Q_OBJECT
protected:
typedef Avahi::model::Row Row;
typedef Avahi::model::RowList RowList;
typedef Avahi::model::Entry Entry;
typedef Avahi::model::EntryList EntryList;
Avahi::model::Root *m_root;
BrowseModel(Avahi::model::Root *root, QObject *parent = 0);
Row *getRow(const QModelIndex &index) const;
public:
int columnCount(const QModelIndex & parent) const;
QVariant data(const QModelIndex & index, int role) const;
QModelIndex index(int row, int column, const QModelIndex & parent) const;
QModelIndex parent(const QModelIndex & index) const;
int rowCount(const QModelIndex & parent) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const = 0;
protected:
virtual Avahi::ServiceKey key(const Avahi::Service &s);
void insert(const Avahi::Service &s, void *priv);
void remove(const Avahi::Service &s);
private:
QMap<Avahi::ServiceKey, EntryList*> m_services;
};
}
#endif // QCPMODEL_H