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audioinputdevicemodel.cpp 3.13 KiB
/*
* Copyright (C) 2019-2020 by Savoir-faire Linux
* Author: Yang Wang <yang.wang@savoirfairelinux.com>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "audioinputdevicemodel.h"
AudioInputDeviceModel::AudioInputDeviceModel(QObject *parent)
: QAbstractListModel(parent)
{}
AudioInputDeviceModel::~AudioInputDeviceModel() {}
int
AudioInputDeviceModel::rowCount(const QModelIndex &parent) const
{
if (!parent.isValid()) {
/*
* Count.
*/
return LRCInstance::avModel().getAudioInputDevices().size();
}
/*
* A valid QModelIndex returns 0 as no entry has sub-elements.
*/
return 0;
}
int
AudioInputDeviceModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent);
/*
* Only need one column.
*/
return 1;
}
QVariant
AudioInputDeviceModel::data(const QModelIndex &index, int role) const
{
auto deviceList = LRCInstance::avModel().getAudioInputDevices();
if (!index.isValid() || deviceList.size() <= index.row()) {
return QVariant();
}
switch (role) {
case Role::Device_ID:
return QVariant(deviceList.at(index.row()));
case Role::ID_UTF8:
return QVariant(deviceList.at(index.row()).toUtf8());
}
return QVariant();
}
QHash<int, QByteArray>
AudioInputDeviceModel::roleNames() const
{
QHash<int, QByteArray> roles;
roles[Device_ID] = "Device_ID";
roles[ID_UTF8] = "ID_UTF8";
return roles;
}
QModelIndex
AudioInputDeviceModel::index(int row, int column, const QModelIndex &parent) const
{
Q_UNUSED(parent);
if (column != 0) {
return QModelIndex();
}
if (row >= 0 && row < rowCount()) {
return createIndex(row, column);
}
return QModelIndex();
}
QModelIndex
AudioInputDeviceModel::parent(const QModelIndex &child) const
{
Q_UNUSED(child);
return QModelIndex();
}
Qt::ItemFlags
AudioInputDeviceModel::flags(const QModelIndex &index) const
{
auto flags = QAbstractItemModel::flags(index) | Qt::ItemNeverHasChildren | Qt::ItemIsSelectable;
if (!index.isValid()) {
return QAbstractItemModel::flags(index);
}
return flags;
}
void
AudioInputDeviceModel::reset()
{
beginResetModel();
endResetModel();
}
int
AudioInputDeviceModel::getCurrentSettingIndex()
{
QString currentId = LRCInstance::avModel().getInputDevice();
auto resultList = match(index(0, 0), Device_ID, QVariant(currentId));
int resultRowIndex = 0;
if (resultList.size() > 0) {
resultRowIndex = resultList[0].row();
}
return resultRowIndex;
}