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/*
* Copyright (C) 2010-2011 David Edmundson.
* Author: David Edmundson <kde@davidedmundson.co.uk>
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 3 of the License, or (at your option) any
* later version. See http://www.gnu.org/copyleft/lgpl.html the full text of the
* license.
*/
#include "QLightDM/usersmodel.h"
#include <QtCore/QString>
#include <QtCore/QDebug>
#include <QtGui/QPixmap>
#include <lightdm.h>
using namespace QLightDM;
class UserItem
{
public:
QString name;
QString realName;
QString homeDirectory;
QString image;
QString background;
bool isLoggedIn;
QString displayName() const;
};
QString UserItem::displayName() const {
if (realName.isEmpty()){
return name;
}
else {
return realName;
}
}
namespace QLightDM {
class UsersModelPrivate {
public:
UsersModelPrivate(UsersModel *parent);
virtual ~UsersModelPrivate();
QList<UserItem> users;
protected:
UsersModel * const q_ptr;
void loadUsers();
static void cb_userAdded(LightDMUserList *user_list, LightDMUser *user, gpointer data);
static void cb_userChanged(LightDMUserList *user_list, LightDMUser *user, gpointer data);
static void cb_userRemoved(LightDMUserList *user_list, LightDMUser *user, gpointer data);
private:
Q_DECLARE_PUBLIC(UsersModel)
};
}
UsersModelPrivate::UsersModelPrivate(UsersModel* parent) :
q_ptr(parent)
{
g_type_init();
}
UsersModelPrivate::~UsersModelPrivate()
{
g_signal_handlers_disconnect_by_func(lightdm_user_list_get_instance(), NULL, this);
}
void UsersModelPrivate::loadUsers()
{
Q_Q(UsersModel);
int rowCount = lightdm_user_list_get_length(lightdm_user_list_get_instance());
if (rowCount == 0) {
return;
} else {
q->beginInsertRows(QModelIndex(), 0, rowCount-1);
const GList *items, *item;
items = lightdm_user_list_get_users(lightdm_user_list_get_instance());
for (item = items; item; item = item->next) {
LightDMUser *ldmUser = static_cast<LightDMUser*>(item->data);
UserItem user;
user.name = QString::fromLocal8Bit(lightdm_user_get_name(ldmUser));
user.homeDirectory = QString::fromLocal8Bit(lightdm_user_get_home_directory(ldmUser));
user.realName = QString::fromLocal8Bit(lightdm_user_get_real_name(ldmUser));
user.image = QString::fromLocal8Bit(lightdm_user_get_image(ldmUser));
user.background = QString::fromLocal8Bit(lightdm_user_get_background(ldmUser));
user.isLoggedIn = lightdm_user_get_logged_in(ldmUser);
users.append(user);
}
q->endInsertRows();
}
g_signal_connect(lightdm_user_list_get_instance(), "user-added", G_CALLBACK (cb_userAdded), this);
g_signal_connect(lightdm_user_list_get_instance(), "user-changed", G_CALLBACK (cb_userChanged), this);
g_signal_connect(lightdm_user_list_get_instance(), "user-removed", G_CALLBACK (cb_userRemoved), this);
}
void UsersModelPrivate::cb_userAdded(LightDMUserList *user_list, LightDMUser *ldmUser, gpointer data)
{
Q_UNUSED(user_list)
UsersModelPrivate *that = static_cast<UsersModelPrivate*>(data);
that->q_func()->beginInsertRows(QModelIndex(), that->users.size(), that->users.size());
UserItem user;
user.name = QString::fromLocal8Bit(lightdm_user_get_name(ldmUser));
user.homeDirectory = QString::fromLocal8Bit(lightdm_user_get_home_directory(ldmUser));
user.realName = QString::fromLocal8Bit(lightdm_user_get_real_name(ldmUser));
user.image = QString::fromLocal8Bit(lightdm_user_get_image(ldmUser));
user.background = QString::fromLocal8Bit(lightdm_user_get_background(ldmUser));
user.isLoggedIn = lightdm_user_get_logged_in(ldmUser);
that->users.append(user);
that->q_func()->endInsertRows();
}
void UsersModelPrivate::cb_userChanged(LightDMUserList *user_list, LightDMUser *ldmUser, gpointer data)
{
Q_UNUSED(user_list)
UsersModelPrivate *that = static_cast<UsersModelPrivate*>(data);
QString userToChange = QString::fromLocal8Bit(lightdm_user_get_name(ldmUser));
for (int i=0;i<that->users.size();i++) {
if (that->users[i].name == userToChange) {
that->users[i].homeDirectory = QString::fromLocal8Bit(lightdm_user_get_home_directory(ldmUser));
that->users[i].realName = QString::fromLocal8Bit(lightdm_user_get_real_name(ldmUser));
that->users[i].image = QString::fromLocal8Bit(lightdm_user_get_image(ldmUser));
that->users[i].background = QString::fromLocal8Bit(lightdm_user_get_background(ldmUser));
that->users[i].isLoggedIn = lightdm_user_get_logged_in(ldmUser);
QModelIndex index = that->q_ptr->createIndex(i, 0);
that->q_ptr->dataChanged(index, index);
break;
}
}
}
void UsersModelPrivate::cb_userRemoved(LightDMUserList *user_list, LightDMUser *ldmUser, gpointer data)
{
Q_UNUSED(user_list)
UsersModelPrivate *that = static_cast<UsersModelPrivate*>(data);
QString userToRemove = QString::fromLocal8Bit(lightdm_user_get_name(ldmUser));
QList<UserItem>::iterator i;
for (int i=0;i<that->users.size();i++) {
if (that->users[i].name == userToRemove) {
that->q_ptr->beginRemoveRows(QModelIndex(), i, i);
that->users.removeAt(i);
that->q_ptr->endMoveRows();
break;
}
}
}
UsersModel::UsersModel(QObject *parent) :
QAbstractListModel(parent),
d_ptr(new UsersModelPrivate(this))
{
Q_D(UsersModel);
// Extend roleNames (we want to keep the "display" role)
QHash<int, QByteArray> roles = roleNames();
roles[NameRole] = "name";
roles[LoggedInRole] = "loggedIn";
setRoleNames(roles);
d->loadUsers();
}
UsersModel::~UsersModel()
{
delete d_ptr;
}
int UsersModel::rowCount(const QModelIndex &parent) const
{
Q_D(const UsersModel);
if (parent == QModelIndex()) {
return d->users.size();
}
return 0;
}
QVariant UsersModel::data(const QModelIndex &index, int role) const
{
Q_D(const UsersModel);
if (!index.isValid()) {
return QVariant();
}
int row = index.row();
switch (role) {
case Qt::DisplayRole:
return d->users[row].displayName();
case Qt::DecorationRole:
return QPixmap(d->users[row].image);
case UsersModel::NameRole:
return d->users[row].name;
case UsersModel::RealNameRole:
return d->users[row].realName;
case UsersModel::LoggedInRole:
return d->users[row].isLoggedIn;
case UsersModel::BackgroundRole:
return QPixmap(d->users[row].background);
}
return QVariant();
}
#include "usersmodel_moc.cpp"
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