/****************************************************************************
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtBluetooth module of the Qt Toolkit.
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****************************************************************************/

#ifndef QBLUETOOTHDEVICEDISCOVERYAGENT_H
#define QBLUETOOTHDEVICEDISCOVERYAGENT_H

#include <QtBluetooth/qbluetoothglobal.h>

#include <QObject>
#include <QtBluetooth/QBluetoothDeviceInfo>
#include <QtBluetooth/QBluetoothAddress>

QT_BEGIN_NAMESPACE

class QBluetoothDeviceDiscoveryAgentPrivate;

class Q_BLUETOOTH_EXPORT QBluetoothDeviceDiscoveryAgent : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QBluetoothDeviceDiscoveryAgent::InquiryType inquiryType
               READ inquiryType WRITE setInquiryType)

public:
    // FIXME: add more errors
    // FIXME: add bluez error handling
    enum Error {
        NoError,
        InputOutputError,
        PoweredOffError,
        InvalidBluetoothAdapterError,
        UnknownError = 100 // New errors must be added before Unknown error
    };

    enum InquiryType {
        GeneralUnlimitedInquiry,
        LimitedInquiry
    };

    QBluetoothDeviceDiscoveryAgent(QObject *parent = 0);
    explicit QBluetoothDeviceDiscoveryAgent(const QBluetoothAddress &deviceAdapter,
                                            QObject *parent = 0);
    ~QBluetoothDeviceDiscoveryAgent();

    // TODO Remove inquiry type in Qt 6 -> not really used anywhere
    QBluetoothDeviceDiscoveryAgent::InquiryType inquiryType() const;
    void setInquiryType(QBluetoothDeviceDiscoveryAgent::InquiryType type);

    bool isActive() const;

    Error error() const;
    QString errorString() const;

    QList<QBluetoothDeviceInfo> discoveredDevices() const;

public Q_SLOTS:
    void start();
    void stop();

Q_SIGNALS:
    void deviceDiscovered(const QBluetoothDeviceInfo &info);
    void finished();
    void error(QBluetoothDeviceDiscoveryAgent::Error error);
    void canceled();

private:
    Q_DECLARE_PRIVATE(QBluetoothDeviceDiscoveryAgent)
    QBluetoothDeviceDiscoveryAgentPrivate *d_ptr;

#ifdef QT_BLUEZ_BLUETOOTH
    Q_PRIVATE_SLOT(d_func(), void _q_deviceFound(const QString &address, const QVariantMap &dict))
    Q_PRIVATE_SLOT(d_func(), void _q_propertyChanged(const QString &name, const QDBusVariant &value))
    Q_PRIVATE_SLOT(d_func(), void _q_InterfacesAdded(const QDBusObjectPath &path, InterfaceList interfaceList))
    Q_PRIVATE_SLOT(d_func(), void _q_discoveryFinished())
    Q_PRIVATE_SLOT(d_func(), void _q_discoveryInterrupted(const QString &path))
    Q_PRIVATE_SLOT(d_func(), void _q_PropertiesChanged(const QString &interface, const QVariantMap &changed_properties, const QStringList &invalidated_properties))
    Q_PRIVATE_SLOT(d_func(), void _q_extendedDeviceDiscoveryTimeout())
#endif
};

QT_END_NAMESPACE

#endif
