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// Copyright 2005-2017 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#ifndef MUMBLE_MUMBLE_USERLISTMODEL_H_
#define MUMBLE_MUMBLE_USERLISTMODEL_H_
#include <Qt>
#include <QAbstractTableModel>
#include <QDateTime>
#include <QHash>
#include <QItemSelection>
#include <QList>
#include <QModelIndex>
#include <QObject>
#include <QString>
#include <QVariant>
#include "Mumble.pb.h"
///
/// The UserListModel class provides a table model backed by a UserList protobuf structure.
/// It supports removing rows and editing user nicks.
///
class UserListModel : public QAbstractTableModel {
Q_OBJECT
public:
/// Enumerates the columns in the table model
enum Columns { COL_NICK, COL_INACTIVEDAYS, COL_LASTCHANNEL, COUNT_COL };
/// UserListModel constructs a table model representing the userList.
/// @param userList User list protobuf structure (will be copied)
/// @param parent Parent in QObject hierarchy
UserListModel(const MumbleProto::UserList& userList, QObject *parent = NULL);
int rowCount(const QModelIndex &parentIndex = QModelIndex()) const Q_DECL_OVERRIDE;
int columnCount(const QModelIndex &parentIndex = QModelIndex()) const Q_DECL_OVERRIDE;
QVariant headerData(int section, Qt::Orientation orientation, int role) const Q_DECL_OVERRIDE;
QVariant data(const QModelIndex &dataIndex, int role = Qt::DisplayRole) const Q_DECL_OVERRIDE;
bool setData(const QModelIndex &dataIndex, const QVariant &value, int role) Q_DECL_OVERRIDE;
Qt::ItemFlags flags(const QModelIndex &flagIndex) const Q_DECL_OVERRIDE;
bool removeRows(int row, int count, const QModelIndex &parentIndex = QModelIndex()) Q_DECL_OVERRIDE;
/// Function for removing all rows in a selection
void removeRowsInSelection(const QItemSelection &selection);
/// Returns a message for updating the original server state to the current model state.
MumbleProto::UserList getUserListUpdate() const;
/// Returns true if the UserList given during construction was changed.
bool isUserListDirty() const;
/// Returns true if the model only contains COL_NICK (true for Mumble <= 1.2.4)
bool isLegacy() const;
private:
/// Given an ISO formatted UTC time string returns the number of days since then.
/// @return QVariant() is returned for invalid strings.
QVariant lastSeenToTodayDayCount(const std::string& lastSeenDate) const;
/// Returns a textual representation of the channel hierarchy of the given channel
QString pathForChannelId(const int channelId) const;
/// Converts a ISO formatted UTC time string to a QDateTime object.
QDateTime isoUTCToDateTime(const std::string& isoTime) const;
typedef QList<MumbleProto::UserList_User> ModelUserList;
/// Model backend for user data
ModelUserList m_userList;
typedef QHash< ::google::protobuf::uint32, MumbleProto::UserList_User> ModelUserListChangeMap;
/// Change map indexed by user id
ModelUserListChangeMap m_changes;
/// True if the message given on construction lacked column data (true for murmur <= 1.2.4)
bool m_legacyMode;
/// Cache for lastSeenToTodayDayCount
mutable QHash<QString, QVariant> m_stringToLastSeenToTodayCount;
/// Cache for pathForChannelId conversions
mutable QHash<int, QString> m_channelIdToPathMap;
};
#endif // MUMBLE_MUMBLE_USERLISTMODEL_H_
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