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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef OSXBTCENTRALMANAGER_P_H
#define OSXBTCENTRALMANAGER_P_H
#include "qlowenergycontroller.h"
#include "qlowenergyservice.h"
#include "qbluetoothuuid.h"
#include "osxbtutility_p.h"
#include <QtCore/qbytearray.h>
#include <QtCore/qglobal.h>
#include <QtCore/qqueue.h>
#include <QtCore/qhash.h>
// Foundation.h must be included before corebluetoothwrapper_p.h -
// a workaround for a broken 10.9 SDK.
#include <Foundation/Foundation.h>
#include "corebluetoothwrapper_p.h"
@class QT_MANGLE_NAMESPACE(OSXBTCentralManager);
QT_BEGIN_NAMESPACE
class QLowEnergyServicePrivate;
namespace OSXBluetooth {
class CentralManagerDelegate
{
public:
typedef QT_MANGLE_NAMESPACE(OSXBTCentralManager) ObjCCentralManager;
typedef ObjCStrongReference<NSArray> LEServices;
typedef QSharedPointer<QLowEnergyServicePrivate> LEService;
typedef ObjCStrongReference<CBCharacteristic> LECharacteristic;
virtual ~CentralManagerDelegate();
virtual void LEnotSupported() = 0;
virtual void connectSuccess() = 0;
virtual void serviceDiscoveryFinished(LEServices services) = 0;
virtual void serviceDetailsDiscoveryFinished(LEService service) = 0;
virtual void characteristicWriteNotification(LECharacteristic ch) = 0;
virtual void descriptorWriteNotification(QLowEnergyHandle descHandle,
const QByteArray &value) = 0;
virtual void disconnected() = 0;
// General errors.
virtual void error(QLowEnergyController::Error error) = 0;
// Service related errors.
virtual void error(const QBluetoothUuid &serviceUuid,
QLowEnergyController::Error error) = 0;
// Characteristics related errors.
virtual void error(const QBluetoothUuid &serviceUuid,
QLowEnergyHandle charHandle,
QLowEnergyService::ServiceError error) = 0;
};
enum CentralManagerState
{
// QLowEnergyController already has some of these states,
// but it's not enough and we need more special states here.
CentralManagerIdle,
// Required by CBCentralManager to avoid problems with dangled pointers.
CentralManagerUpdating,
CentralManagerConnecting,
CentralManagerDiscovering,
CentralManagerDisconnecting
};
// In Qt we work with handles and UUIDs. Core Bluetooth
// has NSArrays (and nested NSArrays inside servces/characteristics).
// To simplify a navigation, I need a simple way to map from a handle
// to a Core Bluetooth object. These are weak pointers,
// will probably require '__weak' with ARC.
typedef QHash<QLowEnergyHandle, CBService *> ServiceHash;
typedef QHash<QLowEnergyHandle, CBCharacteristic *> CharHash;
typedef QHash<QLowEnergyHandle, CBDescriptor *> DescHash;
// Descriptor write request - we have to serialize 'concurrent' write requests.
struct LEWriteRequest
{
LEWriteRequest() : isDescriptor(false), handle(0)
{}
bool isDescriptor;
QLowEnergyHandle handle;
QByteArray value;
};
typedef QQueue<LEWriteRequest> WriteQueue;
}
QT_END_NAMESPACE
@interface QT_MANGLE_NAMESPACE(OSXBTCentralManager) : NSObject<CBCentralManagerDelegate, CBPeripheralDelegate>
{
CBCentralManager *manager;
QT_PREPEND_NAMESPACE(OSXBluetooth)::CentralManagerState managerState;
bool disconnectPending;
QT_PREPEND_NAMESPACE(QBluetoothUuid) deviceUuid;
CBPeripheral *peripheral;
QT_PREPEND_NAMESPACE(OSXBluetooth)::CentralManagerDelegate *delegate;
// Quite a verbose service discovery machinery
// (a "graph traversal").
QT_PREPEND_NAMESPACE(OSXBluetooth)::ObjCStrongReference<NSMutableArray> servicesToVisit;
// The service we're discovering now (included services discovery):
NSUInteger currentService;
// Included services, we'll iterate through at the end of 'servicesToVisit':
QT_PREPEND_NAMESPACE(OSXBluetooth)::ObjCStrongReference<NSMutableArray> servicesToVisitNext;
// We'd like to avoid loops in a services' topology:
QT_PREPEND_NAMESPACE(OSXBluetooth)::ObjCStrongReference<NSMutableSet> visitedServices;
QT_PREPEND_NAMESPACE(QList)<QT_PREPEND_NAMESPACE(QBluetoothUuid)> servicesToDiscoverDetails;
QT_PREPEND_NAMESPACE(OSXBluetooth)::ServiceHash serviceMap;
QT_PREPEND_NAMESPACE(OSXBluetooth)::CharHash charMap;
QT_PREPEND_NAMESPACE(OSXBluetooth)::DescHash descMap;
QT_PREPEND_NAMESPACE(QLowEnergyHandle) lastValidHandle;
bool writePending;
QT_PREPEND_NAMESPACE(OSXBluetooth)::WriteQueue writeQueue;
}
- (id)initWithDelegate:(QT_PREPEND_NAMESPACE(OSXBluetooth)::CentralManagerDelegate *)aDelegate;
- (void)dealloc;
- (QT_PREPEND_NAMESPACE(QLowEnergyController)::Error)
connectToDevice:(const QT_PREPEND_NAMESPACE(QBluetoothUuid) &)aDeviceUuid;
- (void)disconnectFromDevice;
- (void)discoverServices;
- (bool)discoverServiceDetails:(const QT_PREPEND_NAMESPACE(QBluetoothUuid) &)serviceUuid;
- (bool)write:(const QT_PREPEND_NAMESPACE(QByteArray) &)value
charHandle:(QT_PREPEND_NAMESPACE(QLowEnergyHandle))charHandle
withResponse:(bool)writeWithResponse;
- (bool)write:(const QT_PREPEND_NAMESPACE(QByteArray) &)value
descHandle:(QT_PREPEND_NAMESPACE(QLowEnergyHandle))descHandle;
@end
#endif
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