File: adapter.h

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/*
 * BluezQt - Asynchronous BlueZ wrapper library
 *
 * Copyright (C) 2014-2015 David Rosca <nowrep@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) version 3, or any
 * later version accepted by the membership of KDE e.V. (or its
 * successor approved by the membership of KDE e.V.), which shall
 * act as a proxy defined in Section 6 of version 3 of the license.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef BLUEZQT_ADAPTER_H
#define BLUEZQT_ADAPTER_H

#include <QObject>
#include <QList>
#include <QStringList>

#include "types.h"
#include "bluezqt_export.h"

namespace BluezQt
{

class Device;
class PendingCall;

/**
 * @class BluezQt::Adapter adapter.h <BluezQt/Adapter>
 *
 * Bluetooth adapter.
 *
 * This class represents a Bluetooth adapter.
 */
class BLUEZQT_EXPORT Adapter : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QString ubi READ ubi)
    Q_PROPERTY(QString address READ address)
    Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
    Q_PROPERTY(QString systemName READ systemName NOTIFY systemNameChanged)
    Q_PROPERTY(quint32 adapterClass READ adapterClass NOTIFY adapterClassChanged)
    Q_PROPERTY(bool powered READ isPowered WRITE setPowered NOTIFY poweredChanged)
    Q_PROPERTY(bool discoverable READ isDiscoverable WRITE setDiscoverable NOTIFY discoverableChanged)
    Q_PROPERTY(quint32 discoverableTimeout READ discoverableTimeout WRITE setDiscoverableTimeout NOTIFY discoverableTimeoutChanged)
    Q_PROPERTY(bool pairable READ isPairable WRITE setPairable NOTIFY pairableChanged)
    Q_PROPERTY(quint32 pairableTimeout READ pairableTimeout WRITE setPairableTimeout NOTIFY pairableTimeoutChanged)
    Q_PROPERTY(bool discovering READ isDiscovering NOTIFY discoveringChanged)
    Q_PROPERTY(QStringList uuids READ uuids NOTIFY uuidsChanged)
    Q_PROPERTY(QString modalias READ modalias NOTIFY modaliasChanged)
    Q_PROPERTY(LEAdvertisingManagerPtr leAdvertisingManager READ leAdvertisingManager NOTIFY leAdvertisingManagerChanged)
    Q_PROPERTY(MediaPtr media READ media NOTIFY mediaChanged)
    Q_PROPERTY(QList<DevicePtr> devices READ devices)

public:
    /**
     * Destroys an Adapter object.
     */
    ~Adapter();

    /**
     * Returns a shared pointer from this.
     *
     * @return AdapterPtr
     */
    AdapterPtr toSharedPtr() const;

    /**
     * Returns an UBI of the adapter.
     *
     * Example UBI: "/org/bluez/hci0"
     *
     * @return UBI of adapter
     */
    QString ubi() const;

    /**
     * Returns an address of the adapter.
     *
     * Example address: "1C:E5:C3:BC:94:7E"
     *
     * @return address of adapter
     */
    QString address() const;

    /**
     * Returns a name of the adapter.
     *
     * @return name of adapter
     */
    QString name() const;

    /**
     * Sets the name of the adapter.
     *
     * @param name name of adapter
     * @return void pending call
     */
    PendingCall *setName(const QString &name);

    /**
     * Returns a system name (hostname) of the adapter.
     *
     * @return system name of adapter
     */
    QString systemName() const;

    /**
     * Returns a class of the adapter.
     *
     * @return class of adapter
     */
    quint32 adapterClass() const;

    /**
     * Returns whether the adapter is powered on.
     *
     * @return true if adapter is powered on
     */
    bool isPowered() const;

    /**
     * Sets the powered state of the adapter.
     *
     * @param powered powered state
     * @return void pending call
     */
    PendingCall *setPowered(bool powered);

    /**
     * Returns whether the adapter is discoverable by other devices.
     *
     * @return true if adapter is discoverable
     */
    bool isDiscoverable() const;

    /**
     * Sets the discoverable state of the adapter.
     *
     * @param discoverable discoverable state
     * @return void pending call
     */
    PendingCall *setDiscoverable(bool discoverable);

    /**
     * Returns the discoverable timeout in seconds of the adapter.
     *
     * Discoverable timeout defines how long the adapter stays in
     * discoverable state after calling setDiscoverable(true).
     *
     * Timeout 0 means infinitely.
     *
     * @return discoverable timeout of adapter
     */
    quint32 discoverableTimeout() const;

    /**
     * Sets the discoverable timeout of the adapter.
     *
     * @param timeout timeout in seconds
     * @return void pending call
     */
    PendingCall *setDiscoverableTimeout(quint32 timeout);

    /**
     * Returns whether the adapter is pairable with other devices.
     *
     * @return true if adapter is pairable
     */
    bool isPairable() const;

    /**
     * Sets the pairable state of the adapter.
     *
     * @param pairable pairable state
     * @return void pending call
     */
    PendingCall *setPairable(bool pairable);

    /**
     * Returns the pairable timeout in seconds of the adapter.
     *
     * Pairable timeout defines how long the adapter stays in
     * pairable state after calling setPairable(true).
     *
     * Timeout 0 means infinitely.
     *
     * @return pairable timeout of adapter
     */
    quint32 pairableTimeout() const;

    /**
     * Sets the pairable timeout of the adapter.
     *
     * @param timeout timeout in seconds
     * @return void pending call
     */
    PendingCall *setPairableTimeout(quint32 timeout);

    /**
     * Returns whether the adapter is discovering for other devices
     *
     * @return true if adapter is discovering
     */
    bool isDiscovering();

    /**
     * Returns UUIDs of supported services by the adapter.
     *
     * UUIDs will always be returned in uppercase.
     *
     * @return UUIDs of supported services
     */
    QStringList uuids() const;

    /**
     * Returns local device ID in modalias format.
     *
     * @return adapter modalias
     */
    QString modalias() const;

    /**
     * Returns the GATT manager interface for the adapter.
     *
     * @return null if adapter have no GATT manager
     */
    GattManagerPtr gattManager() const;

    /**
     * Returns the LE advertising manager interface for the adapter.
     *
     * @return null if adapter have no Bluetooth LE
     */
    LEAdvertisingManagerPtr leAdvertisingManager() const;

    /**
     * Returns the media interface for the adapter.
     *
     * @return null if adapter have no media
     */
    MediaPtr media() const;

    /**
     * Returns list of devices known by the adapter.
     *
     * @return list of devices
     */
    QList<DevicePtr> devices() const;

    /**
     * Returns a device for specified address.
     *
     * @param address address of device (eg. "40:79:6A:0C:39:75")
     * @return null if there is no device with specified address
     */
    DevicePtr deviceForAddress(const QString &address) const;

    /**
     * Starts device discovery.
     *
     * Possible errors: PendingCall::NotReady, PendingCall::Failed
     *
     * @return void pending call
     * @see discoverableTimeout() const
     */
    PendingCall *startDiscovery();

    /**
     * Stops device discovery.
     *
     * Possible errors: PendingCall::NotReady, PendingCall::Failed, PendingCall::NotAuthorized
     *
     * @return void pending call
     */
    PendingCall *stopDiscovery();

    /**
     * Removes the specified device.
     *
     * It will also remove the pairing information.
     *
     * Possible errors: PendingCall::InvalidArguments, PendingCall::Failed
     *
     * @param device device to be removed
     * @return void pending call
     */
    PendingCall *removeDevice(DevicePtr device);

Q_SIGNALS:
    /**
     * Indicates that the adapter was removed.
     */
    void adapterRemoved(AdapterPtr adapter);

    /**
     * Indicates that at least one of the adapter's properties have changed.
     */
    void adapterChanged(AdapterPtr adapter);

    /**
     * Indicates that adapter's name have changed.
     */
    void nameChanged(const QString &name);

    /**
     * Indicates that adapter's system name have changed.
     */
    void systemNameChanged(const QString &systemName);

    /**
     * Indicates that adapter's class have changed.
     */
    void adapterClassChanged(quint32 adapterClass);

    /**
     * Indicates that adapter's powered state have changed.
     */
    void poweredChanged(bool powered);

    /**
     * Indicates that adapter's discoverable state have changed.
     */
    void discoverableChanged(bool discoverable);

    /**
     * Indicates that adapter's discoverable timeout have changed.
     */
    void discoverableTimeoutChanged(quint32 timeout);

    /**
     * Indicates that adapter's pairable state have changed.
     */
    void pairableChanged(bool pairable);

    /**
     * Indicates that adapter's pairable timeout have changed.
     */
    void pairableTimeoutChanged(quint32 timeout);

    /**
     * Indicates that adapter's discovering state have changed.
     */
    void discoveringChanged(bool discovering);

    /**
     * Indicates that adapter's UUIDs have changed.
     */
    void uuidsChanged(const QStringList &uuids);

    /**
     * Indicates that adapter's modalias have changed.
     */
    void modaliasChanged(const QString &modalias);

    /**
     * Indicates that adapter's GATT manager have changed.
     */
    void gattManagerChanged(GattManagerPtr gattManager);

    /**
     * Indicates that adapter's LE advertising manager have changed.
     */
    void leAdvertisingManagerChanged(LEAdvertisingManagerPtr leAdvertisingManager);

    /**
     * Indicates that adapter's media have changed.
     */
    void mediaChanged(MediaPtr media);

    /**
     * Indicates that a new device was added (eg. found by discovery).
     */
    void deviceAdded(DevicePtr device);

    /**
     * Indicates that a device was removed.
     */
    void deviceRemoved(DevicePtr device);

    /**
     * Indicates that at least one of the device's properties have changed.
     */
    void deviceChanged(DevicePtr device);

private:
    explicit Adapter(const QString &path, const QVariantMap &properties);

    class AdapterPrivate *const d;

    friend class AdapterPrivate;
    friend class ManagerPrivate;
    friend class InitAdaptersJobPrivate;
};

} // namespace BluezQt

#endif // BLUEZQT_ADAPTER_H