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Call.h

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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;
    }