Clementine-audio-player-Mac-Linux-Windows/src/devices/devicestatefiltermodel.cpp

/* This file is part of Clementine.
   Copyright 2010, David Sansome <me@davidsansome.com>

   Clementine is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Clementine is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with Clementine.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "devicestatefiltermodel.h"

DeviceStateFilterModel::DeviceStateFilterModel(QObject* parent,
                                               DeviceManager::State state)
    : QSortFilterProxyModel(parent), state_(state) {
  connect(this, SIGNAL(rowsInserted(QModelIndex, int, int)),
          SLOT(ProxyRowCountChanged()));
  connect(this, SIGNAL(rowsRemoved(QModelIndex, int, int)),
          SLOT(ProxyRowCountChanged()));
  connect(this, SIGNAL(modelReset()), SLOT(ProxyRowCountChanged()));
}

bool DeviceStateFilterModel::filterAcceptsRow(int row,
                                              const QModelIndex&) const {
  return sourceModel()->index(row, 0).data(DeviceManager::Role_State).toInt() !=
         state_;
}

void DeviceStateFilterModel::ProxyRowCountChanged() {
  emit IsEmptyChanged(rowCount() == 0);
}

void DeviceStateFilterModel::setSourceModel(QAbstractItemModel* sourceModel) {
  QSortFilterProxyModel::setSourceModel(sourceModel);
  setDynamicSortFilter(true);
  setSortCaseSensitivity(Qt::CaseInsensitive);
  sort(0);
}