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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include <QtCore/QLoggingCategory>
#include <QtCore/qrandom.h>
#include "localdevicebroadcastreceiver_p.h"
#include "android/jni_android_p.h"
QT_BEGIN_NAMESPACE
Q_DECLARE_LOGGING_CATEGORY(QT_BT_ANDROID)
const char *scanModes[] = {"SCAN_MODE_NONE", "SCAN_MODE_CONNECTABLE", "SCAN_MODE_CONNECTABLE_DISCOVERABLE"};
const char *bondModes[] = {"BOND_NONE", "BOND_BONDING", "BOND_BONDED"};
LocalDeviceBroadcastReceiver::LocalDeviceBroadcastReceiver(QObject *parent) :
AndroidBroadcastReceiver(parent), previousScanMode(0)
{
addAction(QJniObject::fromString(
valueForStaticField<QtJniTypes::BluetoothDevice, JavaNames::ActionBondStateChanged>()));
addAction(QJniObject::fromString(
valueForStaticField<QtJniTypes::BluetoothAdapter, JavaNames::ActionScanModeChanged>()));
addAction(QJniObject::fromString(
valueForStaticField<QtJniTypes::BluetoothDevice, JavaNames::ActionAclConnected>()));
addAction(QJniObject::fromString(
valueForStaticField<QtJniTypes::BluetoothDevice, JavaNames::ActionAclDisconnected>()));
//cache integer values for host & bonding mode
//don't use the java fields directly but refer to them by name
for (uint i = 0; i < (sizeof(hostModePreset)/sizeof(hostModePreset[0])); i++) {
hostModePreset[i] = QJniObject::getStaticField<jint>(
QtJniTypes::Traits<QtJniTypes::BluetoothAdapter>::className(),
scanModes[i]);
}
for (uint i = 0; i < (sizeof(bondingModePreset)/sizeof(bondingModePreset[0])); i++) {
bondingModePreset[i] = QJniObject::getStaticField<jint>(
QtJniTypes::Traits<QtJniTypes::BluetoothDevice>::className(),
bondModes[i]);
}
}
void LocalDeviceBroadcastReceiver::onReceive(JNIEnv *env, jobject context, jobject intent)
{
Q_UNUSED(context);
Q_UNUSED(env);
QJniObject intentObject(intent);
const QString action = intentObject.callMethod<jstring>("getAction").toString();
qCDebug(QT_BT_ANDROID) << QStringLiteral("LocalDeviceBroadcastReceiver::onReceive() - event: %1").arg(action);
if (action == valueForStaticField<QtJniTypes::BluetoothAdapter,
JavaNames::ActionScanModeChanged>()) {
const QJniObject extrasBundle =
intentObject.callMethod<QtJniTypes::Bundle>("getExtras");
const QJniObject keyExtra =
QJniObject::fromString(valueForStaticField<QtJniTypes::BluetoothAdapter,
JavaNames::ExtraScanMode>());
int extra = extrasBundle.callMethod<jint>("getInt", 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<QtJniTypes::BluetoothDevice,
JavaNames::ActionBondStateChanged>()) {
//get BluetoothDevice
QJniObject keyExtra = QJniObject::fromString(
valueForStaticField<QtJniTypes::BluetoothDevice,
JavaNames::ExtraDevice>());
const QJniObject bluetoothDevice =
intentObject.callMethod<QtJniTypes::Parcelable>("getParcelableExtra",
keyExtra.object<jstring>());
//get new bond state
keyExtra = QJniObject::fromString(valueForStaticField<QtJniTypes::BluetoothDevice,
JavaNames::ExtraBondState>());
const QJniObject extrasBundle =
intentObject.callMethod<QtJniTypes::Bundle>("getExtras");
int bondState = extrasBundle.callMethod<jint>("getInt", keyExtra.object<jstring>());
QBluetoothAddress address(bluetoothDevice.callMethod<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<QtJniTypes::BluetoothDevice,
JavaNames::ActionAclConnected>() ||
action == valueForStaticField<QtJniTypes::BluetoothDevice,
JavaNames::ActionAclDisconnected>()) {
const QString connectEvent = valueForStaticField<QtJniTypes::BluetoothDevice,
JavaNames::ActionAclConnected>();
const bool isConnectEvent =
action == connectEvent ? true : false;
//get BluetoothDevice
const QJniObject keyExtra =
QJniObject::fromString(valueForStaticField<QtJniTypes::BluetoothDevice,
JavaNames::ExtraDevice>());
QJniObject bluetoothDevice =
intentObject.callMethod<QtJniTypes::Parcelable>("getParcelableExtra",
keyExtra.object<jstring>());
QBluetoothAddress address(bluetoothDevice.callMethod<jstring>("getAddress").toString());
if (address.isNull())
return;
emit connectDeviceChanges(address, isConnectEvent);
}
}
QT_END_NAMESPACE