/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSEONSOREXPLORER_H
#define QSEONSOREXPLORER_H

#include <QtSensors/qsensor.h>

#include <QtQml/qqml.h>
#include <QtCore/QAbstractListModel>
#include <QtCore/QAbstractTableModel>

QT_BEGIN_NAMESPACE

//! [0]
class AvailableSensorsModel: public QAbstractListModel
{
    Q_OBJECT
    QML_ELEMENT
//! [0]
public:
    explicit AvailableSensorsModel(QObject* parent = nullptr);
    int rowCount(const QModelIndex & = QModelIndex()) const override;
    QVariant data(const QModelIndex &index, int role) const override;
    Q_INVOKABLE QSensor* get(int index) const;

private:
    void loadSensors();
    QList<QSensor*> m_availableSensors;
};

class SensorPropertyModel: public QAbstractTableModel
{
    Q_OBJECT
    Q_PROPERTY(QSensor* sensor READ sensor WRITE setSensor NOTIFY sensorChanged)
    QML_ELEMENT

public:
    explicit SensorPropertyModel(QObject* parent = nullptr);

    int rowCount(const QModelIndex & = QModelIndex()) const override;
    int columnCount(const QModelIndex & = QModelIndex()) const override;
    QVariant data(const QModelIndex &index, int role) const override;

    void setSensor(QSensor* sensor);
    QSensor* sensor() const;

signals:
    void sensorChanged();

private slots:
    void onReadingChanged();

private:
    QSensor* m_sensor = nullptr;
    // m_values is used to cache sensor property values to avoid
    // full metaobject iteration on every sensor reading change
    QList<std::tuple<QByteArray, QByteArray>> m_values;
};

QT_END_NAMESPACE

#endif // QSEONSOREXPLORER_H