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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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QLoggingCategory>
#include "localdevicebroadcastreceiver_p.h"
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(QT_BT_ANDROID)
LocalDeviceBroadcastReceiver::LocalDeviceBroadcastReceiver(QObject *parent) :
AndroidBroadcastReceiver(parent), previousScanMode(0)
{
addAction(QStringLiteral("android.bluetooth.device.action.BOND_STATE_CHANGED"));
addAction(QStringLiteral("android.bluetooth.adapter.action.SCAN_MODE_CHANGED"));
addAction(QStringLiteral("android.bluetooth.device.action.ACL_CONNECTED"));
addAction(QStringLiteral("android.bluetooth.device.action.ACL_DISCONNECTED"));
addAction(QStringLiteral("android.bluetooth.device.action.PAIRING_REQUEST")); //API 19
}
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 == QStringLiteral("android.bluetooth.adapter.action.SCAN_MODE_CHANGED")) {
QAndroidJniObject extrasBundle =
intentObject.callObjectMethod("getExtras","()Landroid/os/Bundle;");
QAndroidJniObject keyExtra = QAndroidJniObject::fromString(
QStringLiteral("android.bluetooth.adapter.extra.SCAN_MODE"));
int extra = extrasBundle.callMethod<jint>("getInt",
"(Ljava/lang/String;)I",
keyExtra.object<jstring>());
if (previousScanMode != extra) {
previousScanMode = extra;
switch (extra) {
case 20: //BluetoothAdapter.SCAN_MODE_NONE
emit hostModeStateChanged(QBluetoothLocalDevice::HostPoweredOff);
break;
case 21: //BluetoothAdapter.SCAN_MODE_CONNECTABLE
emit hostModeStateChanged(QBluetoothLocalDevice::HostConnectable);
break;
case 23: //BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE
emit hostModeStateChanged(QBluetoothLocalDevice::HostDiscoverable);
break;
default:
qCWarning(QT_BT_ANDROID) << "Unknown Host State";
break;
}
}
} else if (action == QStringLiteral("android.bluetooth.device.action.BOND_STATE_CHANGED")) {
//get BluetoothDevice
QAndroidJniObject keyExtra = QAndroidJniObject::fromString(
QStringLiteral("android.bluetooth.device.extra.DEVICE"));
QAndroidJniObject bluetoothDevice =
intentObject.callObjectMethod("getParcelableExtra",
"(Ljava/lang/String;)Landroid/os/Parcelable;",
keyExtra.object<jstring>());
//get new bond state
keyExtra = QAndroidJniObject::fromString(
QStringLiteral("android.bluetooth.device.extra.BOND_STATE"));
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;
switch (bondState) {
case 10: //BluetoothDevice.BOND_NONE
emit pairingStateChanged(address, QBluetoothLocalDevice::Unpaired);
break;
case 11: //BluetoothDevice.BOND_BONDING
//we ignore this as Qt doesn't have equivalent API.
break;
case 12: //BluetoothDevice.BOND_BONDED
emit pairingStateChanged(address, QBluetoothLocalDevice::Paired);
break;
default:
qCWarning(QT_BT_ANDROID) << "Unknown BOND_STATE_CHANGED value:" << bondState;
break;
}
} else if (action == QStringLiteral("android.bluetooth.device.action.ACL_DISCONNECTED") ||
action == QStringLiteral("android.bluetooth.device.action.ACL_CONNECTED")) {
const bool isConnectEvent =
action == QStringLiteral("android.bluetooth.device.action.ACL_CONNECTED") ? true : false;
//get BluetoothDevice
QAndroidJniObject keyExtra = QAndroidJniObject::fromString(
QStringLiteral("android.bluetooth.device.extra.DEVICE"));
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 == QStringLiteral("android.bluetooth.device.action.PAIRING_REQUEST")) {
QAndroidJniObject keyExtra = QAndroidJniObject::fromString(
QStringLiteral("android.bluetooth.device.extra.PAIRING_VARIANT"));
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 = QAndroidJniObject::fromString(
QStringLiteral("android.bluetooth.device.extra.PAIRING_KEY"));
key = intentObject.callMethod<jint>("getIntExtra",
"(Ljava/lang/String;I)I",
keyExtra.object<jstring>(),
-1);
if (key == -1)
return;
keyExtra = QAndroidJniObject::fromString(
QStringLiteral("android.bluetooth.device.extra.DEVICE"));
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;
}
}
}
bool LocalDeviceBroadcastReceiver::pairingConfirmation(bool accept)
{
if (!pairingDevice.isValid())
return false;
bool success = pairingDevice.callMethod<jboolean>("setPairingConfirmation",
"(Z)Z", accept);
pairingDevice = QAndroidJniObject();
return success;
}
QT_END_NAMESPACE
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