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btconnectionmonitor.mm
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1// Copyright (C) 2022 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "btconnectionmonitor_p.h"
5#include "btutility_p.h"
6
7#include "qbluetoothaddress.h"
8
9#include <QtCore/qdebug.h>
10
11QT_USE_NAMESPACE
12
13@implementation DarwinBTConnectionMonitor
14{
15 QT_PREPEND_NAMESPACE(DarwinBluetooth::ConnectionMonitor) *monitor;
16 IOBluetoothUserNotification *discoveryNotification;
17 NSMutableArray *foundConnections;
18}
19
20- (id)initWithMonitor:(DarwinBluetooth::ConnectionMonitor *)aMonitor
21{
22 Q_ASSERT_X(aMonitor, "-initWithMonitor:", "invalid monitor (null)");
23
24 if (self = [super init]) {
25 monitor = aMonitor;
26 discoveryNotification = [[IOBluetoothDevice registerForConnectNotifications:self
27 selector:@selector(connectionNotification:withDevice:)] retain];
28 foundConnections = [[NSMutableArray alloc] init];
29 }
30
31 return self;
32}
33
34- (void)dealloc
35{
36 Q_ASSERT_X(!monitor, "-dealloc",
37 "Connection monitor was not stopped, calling -stopMonitoring is required");
38 [super dealloc];
39}
40
41- (void)connectionNotification:(IOBluetoothUserNotification *)aNotification
42 withDevice:(IOBluetoothDevice *)device
43{
44 Q_UNUSED(aNotification);
45
46 typedef IOBluetoothUserNotification Notification;
47
48 if (!device)
49 return;
50
51 if (!monitor) {
52 // Rather surprising: monitor == nullptr means we stopped monitoring.
53 // So apparently this thingie is still alive and keeps receiving
54 // notifications.
55 qCWarning(QT_BT_DARWIN,
56 "Connection notification received in a monitor that was cancelled");
57 return;
58 }
59
60 QT_BT_MAC_AUTORELEASEPOOL;
61
62 // All Obj-C objects are autoreleased.
63
64 const QBluetoothAddress deviceAddress(DarwinBluetooth::qt_address([device getAddress]));
65 if (deviceAddress.isNull())
66 return;
67
68 if (foundConnections) {
69 Notification *const notification = [device registerForDisconnectNotification:self
70 selector: @selector(connectionClosedNotification:withDevice:)];
71 if (notification)
72 [foundConnections addObject:notification];
73 }
74
75 Q_ASSERT_X(monitor, "-connectionNotification:withDevice:", "invalid monitor (null)");
76 monitor->deviceConnected(deviceAddress);
77}
78
79- (void)connectionClosedNotification:(IOBluetoothUserNotification *)notification
80 withDevice:(IOBluetoothDevice *)device
81{
82 QT_BT_MAC_AUTORELEASEPOOL;
83
84 [notification unregister];//?
85 [foundConnections removeObject:notification];
86
87 const QBluetoothAddress deviceAddress(DarwinBluetooth::qt_address([device getAddress]));
88 if (deviceAddress.isNull())
89 return;
90
91 Q_ASSERT_X(monitor, "-connectionClosedNotification:withDevice:", "invalid monitor (null)");
92 monitor->deviceDisconnected(deviceAddress);
93}
94
95-(void)stopMonitoring
96{
97 monitor = nullptr;
98 [discoveryNotification unregister];
99 [discoveryNotification release];
100 discoveryNotification = nil;
101
102 for (IOBluetoothUserNotification *n in foundConnections)
103 [n unregister];
104
105 [foundConnections release];
106 foundConnections = nil;
107}
108
109@end
foundConnections
NSMutableArray * foundConnections
Definition btconnectionmonitor.mm:17
discoveryNotification
IOBluetoothUserNotification * discoveryNotification
Definition btconnectionmonitor.mm:16
btconnectionmonitor_p.h
device
IOBluetoothDevice * device
Definition btl2capchannel.mm:17
btutility_p.h
QT_BT_MAC_AUTORELEASEPOOL
#define QT_BT_MAC_AUTORELEASEPOOL
Definition btutility_p.h:78
QBluetoothAddress
\inmodule QtBluetooth
DarwinBluetooth::qt_address
QString qt_address(NSString *address)
Definition btutility.mm:36
QT_USE_NAMESPACE
Definition avfmediaassetwriter.mm:18
language::self
QString self
Definition language.cpp:58
void
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char const char return DBusMessage return DBusMessage const char return DBusMessage dbus_bool_t return DBusMessage dbus_uint32_t return DBusMessage void
Definition qdbus_symbols_p.h:409
qCWarning
#define qCWarning(category,...)
Definition qloggingcategory.h:125
id
GLenum GLuint id
[7]
Definition qopengles2ext.h:151
n
GLfloat n
Definition qopengles2ext.h:795
in
GLuint in
Definition qopenglext.h:8870
Q_ASSERT_X
#define Q_ASSERT_X(cond, x, msg)
Definition qrandom.cpp:48
init
static QT_BEGIN_NAMESPACE void init(QTextBoundaryFinder::BoundaryType type, QStringView str, QCharAttributes *attributes)
Definition qtextboundaryfinder.cpp:10
Q_UNUSED
#define Q_UNUSED(x)
Definition qtpreprocessorsupport.h:20