Port QBluetoothLocalDevice and QBluetoothDeviceDiscoveryAgent to OS X.

QBluetoothLocalDevice and QBluetoothDeviceDiscoveryAgent for OS X -
Bluetooth Classic (the implementation based on IOBluetooth).
+ a very simple non-gui test (requires QApplication to work though).

Update 0: style issues reported by Qt-Bot + fix a test.
Update 1: QBluetoothLocalDevice - display confirmation
Update 2: Device discovery agent - follow the expected logic
          and apply suggested fixes.
Update 3: started/finished delegate methods seems to be synchronous and immediately follow
          start/stop calls on an inquiry.
Update 4: remove unused function and redundant error message.
Update 5: the first attempt to fix pairingStatus/requestPairing on a local device.
Update 6: on OS X it's impossible (with a given public API) to request 'Unpaired'.
          I was only able to find some quite terrible hacks with private APIs or
          even worse - playing with SystemConfiguration frameworks and changing
          System Preferencies programmatically (requires authorization and looks like a
          total hack, since it has nothing to do with Bluetooth framework).
Update 7: A very limited support for deviceConnected and connectedDevices.
Update 8: Fix an invalid invokeMethod's argument.
Update 9: Subject changed.
Update 10: fixes in a documentation.
Update 11: asserts in a coding convetion/style.
Update 12: "fix" asserts + emit errors if a start/stop failed.
Update 13: deviceDisconnected implemented.
Update 14: use not only paired && connected devices (QBluetoothLocalDevice::connectedDevices),
           but also devices discovered by the connection monitor.
Update 15: remove a test, not required (there are 'auto' tests).
Update 16: fix private headers - they MUST have _p suffix :(
Update 17: tests are known to fail (at the moment) - IOBluetooth
           requires adjustment (QApplication instead of QCoreApplication,
           lack of ability to power on/off a device (not possible on Mac) +
           other things).

Change-Id: Iea1c8a98f1fd719f4560ec8920d00cc07eaa8146
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Reviewed-by: Timur Pocheptsov <Timur.Pocheptsov@digia.com>

1 files changed, 143 insertions, 0 deletions

diff --git a/src/bluetooth/osx/osxbtconnectionmonitor.mm b/src/bluetooth/osx/osxbtconnectionmonitor.mm
new file mode 100644
index 00000000..7f9b08a2
--- /dev/null
+++ b/src/bluetooth/osx/osxbtconnectionmonitor.mm
@@ -0,0 +1,143 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "osxbtconnectionmonitor_p.h"
+#include "osxbtutility_p.h"
+
+#include <QtCore/qdebug.h>
+
+// Import, since these headers are not protected from the multiple inclusion.
+#import <IOBluetooth/objc/IOBluetoothUserNotification.h>
+#import <IOBluetooth/objc/IOBluetoothDevice.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace OSXBluetooth {
+
+ConnectionMonitor::~ConnectionMonitor()
+{
+}
+
+}
+
+QT_END_NAMESPACE
+
+#ifdef QT_NAMESPACE
+using namespace QT_NAMESPACE;
+#endif
+
+@implementation QT_MANGLE_NAMESPACE(OSXBTConnectionMonitor)
+
+- (id)initWithMonitor:(OSXBluetooth::ConnectionMonitor *)aMonitor
+{
+    Q_ASSERT_X(aMonitor, "-initWithMonitor:", "invalid monitor (null)");
+
+    if (self = [super init]) {
+        monitor = aMonitor;
+        discoveryNotification = [[IOBluetoothDevice registerForConnectNotifications:self
+                                  selector:@selector(connectionNotification:withDevice:)] retain];
+        foundConnections = [[NSMutableArray alloc] init];
+    }
+
+    return self;
+}
+
+- (void)dealloc
+{
+    [discoveryNotification unregister];
+    [discoveryNotification release];
+
+    for (IOBluetoothUserNotification *n in foundConnections)
+        [n unregister];
+
+    [foundConnections release];
+
+    [super dealloc];
+}
+
+- (void)connectionNotification:(IOBluetoothUserNotification *)aNotification
+        withDevice:(IOBluetoothDevice *)device
+{
+    Q_UNUSED(aNotification)
+
+    typedef IOBluetoothUserNotification Notification;
+
+    if (!device)
+        return;
+
+    QT_BT_MAC_AUTORELEASEPOOL;
+
+    // All Obj-C objects are autoreleased.
+
+    const QBluetoothAddress deviceAddress(OSXBluetooth::qt_bt_address([device getAddress]));
+    if (deviceAddress.isNull())
+        return;
+
+    if (foundConnections) {
+        Notification *const notification = [device registerForDisconnectNotification:self
+                                            selector: @selector(connectionClosedNotification:withDevice:)];
+        if (notification)
+            [foundConnections addObject:notification];
+    }
+
+    Q_ASSERT_X(monitor, "-connectionNotification:withDevice:", "invalid monitor (null)");
+    monitor->deviceConnected(deviceAddress);
+}
+
+- (void)connectionClosedNotification:(IOBluetoothUserNotification *)notification
+        withDevice:(IOBluetoothDevice *)device
+{
+    QT_BT_MAC_AUTORELEASEPOOL;
+
+    [notification unregister];//?
+
+    // Does IOBluetoothUserNotification override isEqual?
+    [foundConnections removeObject:notification];
+
+    const QBluetoothAddress deviceAddress(OSXBluetooth::qt_bt_address([device getAddress]));
+    if (deviceAddress.isNull())
+        return;
+
+    Q_ASSERT_X(monitor, "-connectionClosedNotification:withDevice:", "invalid monitor (null)");
+    monitor->deviceDisconnected(deviceAddress);
+}
+
+@end