/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of Qt for Device Creation.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 DATAPROVIDERPOOL_H
#define DATAPROVIDERPOOL_H

#include <QObject>
#include <QQmlListProperty>

#include "sensortagdataprovider.h"

class DataProviderPool : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QQmlListProperty<SensorTagDataProvider> dataProviders READ dataProviders NOTIFY dataProvidersChanged)
    Q_PROPERTY(SensorTagDataProvider* currentProvider READ currentProvider NOTIFY currentProviderChanged)
    Q_PROPERTY(int currentProviderIndex READ currentProviderIndex WRITE setCurrentProviderIndex NOTIFY currentProviderIndexChanged)
    Q_PROPERTY(QString name MEMBER m_poolName CONSTANT)

public:
    Q_INVOKABLE virtual void startScanning();
    Q_INVOKABLE virtual void stopScanning();
    Q_INVOKABLE virtual void disconnectProvider(const QString &id);
    Q_INVOKABLE virtual SensorTagDataProvider *currentProvider() const;
    Q_INVOKABLE virtual int currentProviderIndex() const;

    QQmlListProperty<SensorTagDataProvider> dataProviders();

    virtual SensorTagDataProvider *providerForCloud() const;


public slots:
    void setCurrentProviderIndex(int currentProviderIndex);

signals:
    void providerConnected(QString id);
    void providerDisconnected(QString id);
    void providerInError(QString id);
    void providersUpdated();
    void scanStarted();
    void scanFinished();
    void providerForCloudChanged();
    void dataProvidersChanged();
    void currentProviderChanged(SensorTagDataProvider* currentProvider);
    void currentProviderIndexChanged(int currentProviderIndex);

protected:
    explicit DataProviderPool(QObject *parent = 0);
    DataProviderPool(QString poolName, QObject *parent = 0);

protected:
    QList<SensorTagDataProvider *> m_dataProviders;
    QString m_poolName;
    SensorTagDataProvider *m_currentProvider;
    int m_currentProviderIndex;
};

#endif // DATAPROVIDERPOOL_H