DeviceDiscoveryDialog::DeviceDiscoveryDialog(QWidget *parent)
: QDialog(parent), discoveryAgent(new QBluetoothDeviceDiscoveryAgent),
localDevice(new QBluetoothLocalDevice),
ui(new Ui_DeviceDiscovery)
{
ui->setupUi(this);
#if defined (Q_OS_SYMBIAN) || defined(Q_OS_WINCE) || defined(Q_WS_MAEMO_5) || defined(Q_WS_MAEMO_6)
setWindowState(Qt::WindowFullScreen);
#endif
connect(ui->inquiryType, SIGNAL(toggled(bool)), this, SLOT(setGeneralUnlimited(bool)));
connect(ui->scan, SIGNAL(clicked()), this, SLOT(startScan()));
connect(discoveryAgent, SIGNAL(deviceDiscovered(const QBluetoothDeviceInfo&)),
this, SLOT(addDevice(const QBluetoothDeviceInfo&)));
connect(discoveryAgent, SIGNAL(finished()), this, SLOT(scanFinished()));
connect(ui->list, SIGNAL(itemActivated(QListWidgetItem*)),
this, SLOT(itemActivated(QListWidgetItem*)));
connect(localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)),
this, SLOT(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
hostModeStateChanged(localDevice->hostMode());
// add context menu for devices to be able to pair device
ui->list->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->list, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(displayPairingMenu(QPoint)));
connect(localDevice, SIGNAL(pairingFinished(const QBluetoothAddress&, QBluetoothLocalDevice::Pairing))
, this, SLOT(pairingDone(const QBluetoothAddress&, QBluetoothLocalDevice::Pairing)));
}
BtLocalDevice::BtLocalDevice(QObject *parent) :
QObject(parent), securityFlags(QBluetooth::NoSecurity)
{
localDevice = new QBluetoothLocalDevice(this);
connect(localDevice, SIGNAL(error(QBluetoothLocalDevice::Error)),
this, SIGNAL(error(QBluetoothLocalDevice::Error)));
connect(localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)),
this, SIGNAL(hostModeStateChanged()));
connect(localDevice, SIGNAL(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing)),
this, SLOT(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing)));
connect(localDevice, SIGNAL(deviceConnected(QBluetoothAddress)),
this, SLOT(connected(QBluetoothAddress)));
connect(localDevice, SIGNAL(deviceDisconnected(QBluetoothAddress)),
this, SLOT(disconnected(QBluetoothAddress)));
connect(localDevice, SIGNAL(pairingDisplayConfirmation(QBluetoothAddress,QString)),
this, SLOT(pairingDisplayConfirmation(QBluetoothAddress,QString)));
if (localDevice->isValid()) {
deviceAgent = new QBluetoothDeviceDiscoveryAgent(this);
connect(deviceAgent, SIGNAL(deviceDiscovered(QBluetoothDeviceInfo)),
this, SLOT(deviceDiscovered(QBluetoothDeviceInfo)));
connect(deviceAgent, SIGNAL(finished()),
this, SLOT(discoveryFinished()));
connect(deviceAgent, SIGNAL(error(QBluetoothDeviceDiscoveryAgent::Error)),
this, SLOT(discoveryError(QBluetoothDeviceDiscoveryAgent::Error)));
connect(deviceAgent, SIGNAL(canceled()),
this, SLOT(discoveryCanceled()));
serviceAgent = new QBluetoothServiceDiscoveryAgent(this);
connect(serviceAgent, SIGNAL(serviceDiscovered(QBluetoothServiceInfo)),
this, SLOT(serviceDiscovered(QBluetoothServiceInfo)));
connect(serviceAgent, SIGNAL(finished()),
this, SLOT(serviceDiscoveryFinished()));
connect(serviceAgent, SIGNAL(canceled()),
this, SLOT(serviceDiscoveryCanceled()));
connect(serviceAgent, SIGNAL(error(QBluetoothServiceDiscoveryAgent::Error)),
this, SLOT(serviceDiscoveryError(QBluetoothServiceDiscoveryAgent::Error)));
socket = new QBluetoothSocket(SOCKET_PROTOCOL, this);
connect(socket, SIGNAL(stateChanged(QBluetoothSocket::SocketState)),
this, SLOT(socketStateChanged(QBluetoothSocket::SocketState)));
connect(socket, SIGNAL(error(QBluetoothSocket::SocketError)),
this, SLOT(socketError(QBluetoothSocket::SocketError)));
connect(socket, SIGNAL(connected()), this, SLOT(socketConnected()));
connect(socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
connect(socket, SIGNAL(readyRead()), this, SLOT(readData()));
setSecFlags(socket->preferredSecurityFlags());
server = new QBluetoothServer(SOCKET_PROTOCOL, this);
connect(server, SIGNAL(newConnection()), this, SLOT(serverNewConnection()));
connect(server, SIGNAL(error(QBluetoothServer::Error)),
this, SLOT(serverError(QBluetoothServer::Error)));
} else {
deviceAgent = 0;
serviceAgent = 0;
socket = 0;
server = 0;
}
}
void tst_QBluetoothLocalDevice::tst_hostModes()
{
QFETCH(QBluetoothLocalDevice::HostMode, hostModeExpected);
QBluetoothLocalDevice localDevice;
QSignalSpy hostModeSpy(&localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
// there should be no changes yet
QVERIFY(hostModeSpy.isEmpty());
QTest::qWait(1000);
localDevice.setHostMode(hostModeExpected);
// wait for the device to switch bluetooth mode.
QTest::qWait(1000);
if (hostModeExpected != localDevice.hostMode()) {
WAIT_FOR_CONDITION(hostModeSpy.count(),1);
QVERIFY(hostModeSpy.count() > 0);
}
// test the actual signal values.
QList<QVariant> arguments = hostModeSpy.takeFirst();
QBluetoothLocalDevice::HostMode hostMode = qvariant_cast<QBluetoothLocalDevice::HostMode>(arguments.at(0));
QCOMPARE(hostModeExpected, hostMode);
// test actual
QCOMPARE(hostModeExpected, localDevice.hostMode());
}
void tst_QBluetoothLocalDevice::tst_powerOff()
{
if (!QBluetoothLocalDevice::allDevices().count())
QSKIP("Skipping test due to missing Bluetooth device");
{
QBluetoothLocalDevice *device = new QBluetoothLocalDevice();
device->powerOn();
delete device;
// wait for the device to switch bluetooth mode.
QTest::qWait(1000);
}
QBluetoothLocalDevice localDevice;
QSignalSpy hostModeSpy(&localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
// there should be no changes yet
QVERIFY(hostModeSpy.isValid());
QVERIFY(hostModeSpy.isEmpty());
localDevice.setHostMode(QBluetoothLocalDevice::HostPoweredOff);
// async, wait for it
QTRY_VERIFY(hostModeSpy.count() > 0);
// we should not be powered off
QVERIFY(localDevice.hostMode() == QBluetoothLocalDevice::HostPoweredOff);
}
bool RfCommClient::powerOn()
{
qDebug() << __PRETTY_FUNCTION__ << ">>";
// turn on BT in case it is not on
if (localDevice.hostMode() == QBluetoothLocalDevice::HostPoweredOff) {
connect(&localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)),
this, SLOT(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
// connect(localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)),
// this, SLOT(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
qDebug() << __PRETTY_FUNCTION__ << "Turning power on";
localDevice.powerOn();
} else {
qDebug() << __PRETTY_FUNCTION__ << "<< Power already on! returning true";
return true;
}
qDebug() << __PRETTY_FUNCTION__ << "<< returning false";
return false;
}
DeviceDiscoveryDialog::DeviceDiscoveryDialog(QWidget *parent)
: QDialog(parent), localDevice(new QBluetoothLocalDevice),
ui(new Ui_DeviceDiscovery)
{
ui->setupUi(this);
/*
* In case of multiple Bluetooth adapters it is possible to set adapter
* which will be used. Example code:
*
* QBluetoothAddress address("XX:XX:XX:XX:XX:XX");
* discoveryAgent = new QBluetoothDeviceDiscoveryAgent(address);
*
**/
discoveryAgent = new QBluetoothDeviceDiscoveryAgent();
connect(ui->inquiryType, SIGNAL(toggled(bool)), this, SLOT(setGeneralUnlimited(bool)));
connect(ui->scan, SIGNAL(clicked()), this, SLOT(startScan()));
connect(discoveryAgent, SIGNAL(deviceDiscovered(QBluetoothDeviceInfo)),
this, SLOT(addDevice(QBluetoothDeviceInfo)));
connect(discoveryAgent, SIGNAL(finished()), this, SLOT(scanFinished()));
connect(ui->list, SIGNAL(itemActivated(QListWidgetItem*)),
this, SLOT(itemActivated(QListWidgetItem*)));
connect(localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)),
this, SLOT(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
hostModeStateChanged(localDevice->hostMode());
// add context menu for devices to be able to pair device
ui->list->setContextMenuPolicy(Qt::CustomContextMenu);
connect(ui->list, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(displayPairingMenu(QPoint)));
connect(localDevice, SIGNAL(pairingFinished(QBluetoothAddress,QBluetoothLocalDevice::Pairing))
, this, SLOT(pairingDone(QBluetoothAddress,QBluetoothLocalDevice::Pairing)));
}
void tst_QBluetoothLocalDevice::tst_powerOn()
{
{
QBluetoothLocalDevice localDevice;
QSignalSpy hostModeSpy(&localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
// there should be no changes yet
QVERIFY(hostModeSpy.isEmpty());
localDevice.powerOn();
// async, wait for it
WAIT_FOR_CONDITION(hostModeSpy.count(),1);
QVERIFY(hostModeSpy.count() > 0);
QBluetoothLocalDevice::HostMode hostMode= localDevice.hostMode();
// we should not be powered off
QVERIFY(hostMode == QBluetoothLocalDevice::HostConnectable
|| hostMode == QBluetoothLocalDevice::HostDiscoverable);
}
}
void tst_QBluetoothLocalDevice::tst_powerOn()
{
QBluetoothLocalDevice localDevice;
QSignalSpy hostModeSpy(&localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
// there should be no changes yet
QVERIFY(hostModeSpy.isValid());
QVERIFY(hostModeSpy.isEmpty());
if (!QBluetoothLocalDevice::allDevices().count())
QSKIP("Skipping test due to missing Bluetooth device");
localDevice.powerOn();
// async, wait for it
QTRY_VERIFY(hostModeSpy.count() > 0);
QBluetoothLocalDevice::HostMode hostMode= localDevice.hostMode();
// we should not be powered off
QVERIFY(hostMode == QBluetoothLocalDevice::HostConnectable
|| hostMode == QBluetoothLocalDevice::HostDiscoverable);
}
void tst_QBluetoothLocalDevice::tst_powerOff()
{
{
QBluetoothLocalDevice *device = new QBluetoothLocalDevice();
device->powerOn();
delete device;
// wait for the device to switch bluetooth mode.
QTest::qWait(1000);
}
QBluetoothLocalDevice localDevice;
QSignalSpy hostModeSpy(&localDevice, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
// there should be no changes yet
QVERIFY(hostModeSpy.isEmpty());
localDevice.setHostMode(QBluetoothLocalDevice::HostPoweredOff);
// async, wait for it
WAIT_FOR_CONDITION(hostModeSpy.count(),1);
QVERIFY(hostModeSpy.count() > 0);
// we should not be powered off
QVERIFY(localDevice.hostMode() == QBluetoothLocalDevice::HostPoweredOff);
}
void tst_QBluetoothDeviceDiscoveryAgent::initTestCase()
{
qRegisterMetaType<QBluetoothDeviceInfo>("QBluetoothDeviceInfo");
qRegisterMetaType<QBluetoothDeviceDiscoveryAgent::InquiryType>("QBluetoothDeviceDiscoveryAgent::InquiryType");
// turn on BT in case it is not on
QBluetoothLocalDevice *device = new QBluetoothLocalDevice();
if (device->hostMode() == QBluetoothLocalDevice::HostPoweredOff) {
QSignalSpy hostModeSpy(device, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
QVERIFY(hostModeSpy.isEmpty());
device->powerOn();
int connectTime = 5000; // ms
while (hostModeSpy.count() < 1 && connectTime > 0) {
QTest::qWait(500);
connectTime -= 500;
}
QVERIFY(hostModeSpy.count() > 0);
}
QBluetoothLocalDevice::HostMode hostMode= device->hostMode();
QVERIFY(hostMode == QBluetoothLocalDevice::HostConnectable
|| hostMode == QBluetoothLocalDevice::HostDiscoverable
|| hostMode == QBluetoothLocalDevice::HostDiscoverableLimitedInquiry);
delete device;
}
void QBluetoothServiceDiscoveryAgentPrivate::start(const QBluetoothAddress &address)
{
Q_Q(QBluetoothServiceDiscoveryAgent);
if (!btAdapter.isValid()) {
error = QBluetoothServiceDiscoveryAgent::UnknownError;
errorString = QBluetoothServiceDiscoveryAgent::tr("Platform does not support Bluetooth");
//abort any outstanding discoveries
discoveredDevices.clear();
emit q->error(error);
_q_serviceDiscoveryFinished();
return;
}
/* SDP discovery was officially added by Android API v15
* BluetoothDevice.getUuids() existed in earlier APIs already and in the future we may use
* reflection to support earlier Android versions than 15. Unfortunately
* BluetoothDevice.fetchUuidsWithSdp() and related APIs had some structure changes
* over time. Therefore we won't attempt this with reflection.
*
* TODO: Use reflection to support getUuuids() where possible.
* */
if (QtAndroidPrivate::androidSdkVersion() < 15) {
qCWarning(QT_BT_ANDROID) << "Aborting SDP enquiry due to too low Android API version (requires v15+)";
error = QBluetoothServiceDiscoveryAgent::UnknownError;
errorString = QBluetoothServiceDiscoveryAgent::tr("Android API below v15 does not support SDP discovery");
//abort any outstanding discoveries
sdpCache.clear();
discoveredDevices.clear();
emit q->error(error);
_q_serviceDiscoveryFinished();
return;
}
QAndroidJniObject inputString = QAndroidJniObject::fromString(address.toString());
QAndroidJniObject remoteDevice =
btAdapter.callObjectMethod("getRemoteDevice",
"(Ljava/lang/String;)Landroid/bluetooth/BluetoothDevice;",
inputString.object<jstring>());
QAndroidJniEnvironment env;
if (env->ExceptionCheck()) {
env->ExceptionClear();
env->ExceptionDescribe();
//if it was only device then its error -> otherwise go to next device
if (singleDevice) {
error = QBluetoothServiceDiscoveryAgent::InputOutputError;
errorString = QBluetoothServiceDiscoveryAgent::tr("Cannot create Android BluetoothDevice");
qCWarning(QT_BT_ANDROID) << "Cannot start SDP for" << discoveredDevices.at(0).name()
<< "(" << address.toString() << ")";
emit q->error(error);
}
_q_serviceDiscoveryFinished();
return;
}
if (mode == QBluetoothServiceDiscoveryAgent::MinimalDiscovery) {
qCDebug(QT_BT_ANDROID) << "Minimal discovery on (" << discoveredDevices.at(0).name()
<< ")" << address.toString() ;
//Minimal discovery uses BluetoothDevice.getUuids()
QAndroidJniObject parcelUuidArray = remoteDevice.callObjectMethod(
"getUuids", "()[Landroid/os/ParcelUuid;");
if (!parcelUuidArray.isValid()) {
if (singleDevice) {
error = QBluetoothServiceDiscoveryAgent::InputOutputError;
errorString = QBluetoothServiceDiscoveryAgent::tr("Cannot obtain service uuids");
emit q->error(error);
}
qCWarning(QT_BT_ANDROID) << "Cannot retrieve SDP UUIDs for" << discoveredDevices.at(0).name()
<< "(" << address.toString() << ")";
_q_serviceDiscoveryFinished();
return;
}
const QList<QBluetoothUuid> results = ServiceDiscoveryBroadcastReceiver::convertParcelableArray(parcelUuidArray);
populateDiscoveredServices(discoveredDevices.at(0), results);
_q_serviceDiscoveryFinished();
} else {
qCDebug(QT_BT_ANDROID) << "Full discovery on (" << discoveredDevices.at(0).name()
<< ")" << address.toString();
//Full discovery uses BluetoothDevice.fetchUuidsWithSdp()
if (!receiver) {
receiver = new ServiceDiscoveryBroadcastReceiver();
QObject::connect(receiver, SIGNAL(uuidFetchFinished(QBluetoothAddress,QList<QBluetoothUuid>)),
q, SLOT(_q_processFetchedUuids(QBluetoothAddress,QList<QBluetoothUuid>)));
}
if (!localDeviceReceiver) {
localDeviceReceiver = new LocalDeviceBroadcastReceiver();
QObject::connect(localDeviceReceiver, SIGNAL(hostModeStateChanged(QBluetoothLocalDevice::HostMode)),
q, SLOT(_q_hostModeStateChanged(QBluetoothLocalDevice::HostMode)));
}
jboolean result = remoteDevice.callMethod<jboolean>("fetchUuidsWithSdp");
if (!result) {
//kill receiver to limit load of signals
receiver->unregisterReceiver();
receiver->deleteLater();
receiver = 0;
qCWarning(QT_BT_ANDROID) << "Cannot start dynamic fetch.";
_q_serviceDiscoveryFinished();
}
}
}
void LocalDeviceBroadcastReceiver::onReceive(JNIEnv *env, jobject context, jobject intent)
{
Q_UNUSED(context);
Q_UNUSED(env);
QAndroidJniObject intentObject(intent);
const QString action = intentObject.callObjectMethod("getAction", "()Ljava/lang/String;").toString();
qCDebug(QT_BT_ANDROID) << QStringLiteral("LocalDeviceBroadcastReceiver::onReceive() - event: %1").arg(action);
if (action == valueForStaticField(JavaNames::BluetoothAdapter,
JavaNames::ActionScanModeChanged).toString()) {
const QAndroidJniObject extrasBundle =
intentObject.callObjectMethod("getExtras","()Landroid/os/Bundle;");
const QAndroidJniObject keyExtra = valueForStaticField(JavaNames::BluetoothAdapter,
JavaNames::ExtraScanMode);
int extra = extrasBundle.callMethod<jint>("getInt",
"(Ljava/lang/String;)I",
keyExtra.object<jstring>());
if (previousScanMode != extra) {
previousScanMode = extra;
if (extra == hostModePreset[0])
emit hostModeStateChanged(QBluetoothLocalDevice::HostPoweredOff);
else if (extra == hostModePreset[1])
emit hostModeStateChanged(QBluetoothLocalDevice::HostConnectable);
else if (extra == hostModePreset[2])
emit hostModeStateChanged(QBluetoothLocalDevice::HostDiscoverable);
else
qCWarning(QT_BT_ANDROID) << "Unknown Host State";
}
} else if (action == valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ActionBondStateChanged).toString()) {
//get BluetoothDevice
QAndroidJniObject keyExtra = valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ExtraDevice);
const QAndroidJniObject bluetoothDevice =
intentObject.callObjectMethod("getParcelableExtra",
"(Ljava/lang/String;)Landroid/os/Parcelable;",
keyExtra.object<jstring>());
//get new bond state
keyExtra = valueForStaticField(JavaNames::BluetoothDevice, JavaNames::ExtraBondState);
const QAndroidJniObject extrasBundle =
intentObject.callObjectMethod("getExtras","()Landroid/os/Bundle;");
int bondState = extrasBundle.callMethod<jint>("getInt",
"(Ljava/lang/String;)I",
keyExtra.object<jstring>());
QBluetoothAddress address(bluetoothDevice.callObjectMethod<jstring>("getAddress").toString());
if (address.isNull())
return;
if (bondState == bondingModePreset[0])
emit pairingStateChanged(address, QBluetoothLocalDevice::Unpaired);
else if (bondState == bondingModePreset[1])
; //we ignore this as Qt doesn't have equivalent API value
else if (bondState == bondingModePreset[2])
emit pairingStateChanged(address, QBluetoothLocalDevice::Paired);
else
qCWarning(QT_BT_ANDROID) << "Unknown BOND_STATE_CHANGED value:" << bondState;
} else if (action == valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ActionAclConnected).toString() ||
action == valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ActionAclDisconnected).toString()) {
const QString connectEvent = valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ActionAclConnected).toString();
const bool isConnectEvent =
action == connectEvent ? true : false;
//get BluetoothDevice
const QAndroidJniObject keyExtra = valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ExtraDevice);
QAndroidJniObject bluetoothDevice =
intentObject.callObjectMethod("getParcelableExtra",
"(Ljava/lang/String;)Landroid/os/Parcelable;",
keyExtra.object<jstring>());
QBluetoothAddress address(bluetoothDevice.callObjectMethod<jstring>("getAddress").toString());
if (address.isNull())
return;
emit connectDeviceChanges(address, isConnectEvent);
} else if (action == valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ActionPairingRequest).toString()) {
QAndroidJniObject keyExtra = valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ExtraPairingVariant);
int variant = intentObject.callMethod<jint>("getIntExtra",
"(Ljava/lang/String;I)I",
keyExtra.object<jstring>(),
-1);
int key = -1;
switch (variant) {
case -1: //ignore -> no pairing variant set
return;
case 2: //BluetoothDevice.PAIRING_VARIANT_PASSKEY_CONFIRMATION
{
keyExtra = valueForStaticField(JavaNames::BluetoothDevice,
JavaNames::ExtraPairingKey);
key = intentObject.callMethod<jint>("getIntExtra",
"(Ljava/lang/String;I)I",
keyExtra.object<jstring>(),
-1);
if (key == -1)
return;
keyExtra = valueForStaticField(JavaNames::BluetoothDevice, JavaNames::ExtraDevice);
QAndroidJniObject bluetoothDevice =
intentObject.callObjectMethod("getParcelableExtra",
"(Ljava/lang/String;)Landroid/os/Parcelable;",
keyExtra.object<jstring>());
//we need to keep a reference around in case the user confirms later on
pairingDevice = bluetoothDevice;
QBluetoothAddress address(bluetoothDevice.callObjectMethod<jstring>("getAddress").toString());
//User has choice to confirm or not. If no confirmation is happening
//the OS default pairing dialog can be used or timeout occurs.
emit pairingDisplayConfirmation(address, QString::number(key));
break;
}
default:
qCWarning(QT_BT_ANDROID) << "Unknown pairing variant: " << variant;
return;
}
}
}
