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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
import sys
from PySide6.QtBluetooth import QBluetoothLocalDevice
from PySide6.QtQml import QmlElement
from PySide6.QtCore import QObject, Property, Signal, Slot, Qt
from heartrate_global import simulator, is_android, error_not_nuitka
if is_android or sys.platform == "darwin":
from PySide6.QtCore import QBluetoothPermission
# To be used on the @QmlElement decorator
# (QML_IMPORT_MINOR_VERSION is optional)
QML_IMPORT_NAME = "HeartRateGame"
QML_IMPORT_MAJOR_VERSION = 1
@QmlElement
class ConnectionHandler(QObject):
deviceChanged = Signal()
def __init__(self, parent=None):
super().__init__(parent)
self.m_hasPermission = False
self.initLocalDevice()
@Property(bool, notify=deviceChanged)
def alive(self):
if sys.platform == "darwin":
return True
if simulator():
return True
return (self.m_localDevice.isValid()
and self.m_localDevice.hostMode() != QBluetoothLocalDevice.HostPoweredOff)
@Property(bool, constant=True)
def requiresAddressType(self):
return sys.platform == "linux" # QT_CONFIG(bluez)?
@Property(str, notify=deviceChanged)
def name(self):
return self.m_localDevice.name()
@Property(str, notify=deviceChanged)
def address(self):
return self.m_localDevice.address().toString()
@Property(bool, notify=deviceChanged)
def hasPermission(self):
return self.m_hasPermission
@Slot(QBluetoothLocalDevice.HostMode)
def hostModeChanged(self, mode):
self.deviceChanged.emit()
def initLocalDevice(self):
if is_android or sys.platform == "darwin":
error_not_nuitka()
permission = QBluetoothPermission()
permission.setCommunicationModes(QBluetoothPermission.Access)
permission_status = qApp.checkPermission(permission) # noqa: F821
if permission_status == Qt.PermissionStatus.Undetermined:
qApp.requestPermission(permission, self, self.initLocalDevice) # noqa: F821
return
if permission_status == Qt.PermissionStatus.Denied:
return
elif permission_status == Qt.PermissionStatus.Granted:
print("[HeartRateGame] Bluetooth Permission Granted")
self.m_localDevice = QBluetoothLocalDevice()
self.m_localDevice.hostModeStateChanged.connect(self.hostModeChanged)
self.m_hasPermission = True
self.deviceChanged.emit()
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