1 files changed, 139 insertions, 0 deletions
diff --git a/examples/bluetooth/heartrate_game/devicefinder.py b/examples/bluetooth/heartrate_game/devicefinder.py
new file mode 100644
index 000000000..e581d12ec
--- /dev/null
+++ b/examples/bluetooth/heartrate_game/devicefinder.py
@@ -0,0 +1,139 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+import sys
+
+from PySide6.QtBluetooth import (QBluetoothDeviceDiscoveryAgent,
+                                 QBluetoothDeviceInfo)
+from PySide6.QtQml import QmlElement
+from PySide6.QtCore import QTimer, Property, Signal, Slot, Qt
+
+from bluetoothbaseclass import BluetoothBaseClass
+from deviceinfo import DeviceInfo
+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 DeviceFinder(BluetoothBaseClass):
+
+    scanningChanged = Signal()
+    devicesChanged = Signal()
+
+    def __init__(self, handler, parent=None):
+        super().__init__(parent)
+        self.m_deviceHandler = handler
+        self.m_devices = []
+        self.m_demoTimer = QTimer()
+#! [devicediscovery-1]
+        self.m_deviceDiscoveryAgent = QBluetoothDeviceDiscoveryAgent(self)
+        self.m_deviceDiscoveryAgent.setLowEnergyDiscoveryTimeout(15000)
+        self.m_deviceDiscoveryAgent.deviceDiscovered.connect(self.addDevice)
+        self.m_deviceDiscoveryAgent.errorOccurred.connect(self.scanError)
+
+        self.m_deviceDiscoveryAgent.finished.connect(self.scanFinished)
+        self.m_deviceDiscoveryAgent.canceled.connect(self.scanFinished)
+#! [devicediscovery-1]
+        if simulator():
+            self.m_demoTimer.setSingleShot(True)
+            self.m_demoTimer.setInterval(2000)
+            self.m_demoTimer.timeout.connect(self.scanFinished)
+
+    @Slot()
+    def startSearch(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.startSearch)  # noqa: F82 1
+                return
+            elif permission_status == Qt.PermissionStatus.Denied:
+                return
+            elif permission_status == Qt.PermissionStatus.Granted:
+                print("[HeartRateGame] Bluetooth Permission Granted")
+
+        self.clearMessages()
+        self.m_deviceHandler.setDevice(None)
+        self.m_devices.clear()
+
+        self.devicesChanged.emit()
+
+        if simulator():
+            self.m_demoTimer.start()
+        else:
+#! [devicediscovery-2]
+            self.m_deviceDiscoveryAgent.start(QBluetoothDeviceDiscoveryAgent.LowEnergyMethod)
+#! [devicediscovery-2]
+            self.scanningChanged.emit()
+        self.info = "Scanning for devices..."
+
+#! [devicediscovery-3]
+    @Slot(QBluetoothDeviceInfo)
+    def addDevice(self, device):
+        # If device is LowEnergy-device, add it to the list
+        if device.coreConfigurations() & QBluetoothDeviceInfo.LowEnergyCoreConfiguration:
+            self.m_devices.append(DeviceInfo(device))
+            self.info = "Low Energy device found. Scanning more..."
+#! [devicediscovery-3]
+            self.devicesChanged.emit()
+#! [devicediscovery-4]
+    #...
+#! [devicediscovery-4]
+
+    @Slot(QBluetoothDeviceDiscoveryAgent.Error)
+    def scanError(self, error):
+        if error == QBluetoothDeviceDiscoveryAgent.PoweredOffError:
+            self.error = "The Bluetooth adaptor is powered off."
+        elif error == QBluetoothDeviceDiscoveryAgent.InputOutputError:
+            self.error = "Writing or reading from the device resulted in an error."
+        else:
+            self.error = "An unknown error has occurred."
+
+    @Slot()
+    def scanFinished(self):
+        if simulator():
+            # Only for testing
+            for i in range(5):
+                self.m_devices.append(DeviceInfo(QBluetoothDeviceInfo()))
+
+        if self.m_devices:
+            self.info = "Scanning done."
+        else:
+            self.error = "No Low Energy devices found."
+
+        self.scanningChanged.emit()
+        self.devicesChanged.emit()
+
+    @Slot(str)
+    def connectToService(self, address):
+        self.m_deviceDiscoveryAgent.stop()
+
+        currentDevice = None
+        for entry in self.m_devices:
+            device = entry
+            if device and device.deviceAddress == address:
+                currentDevice = device
+                break
+
+        if currentDevice:
+            self.m_deviceHandler.setDevice(currentDevice)
+
+        self.clearMessages()
+
+    @Property(bool, notify=scanningChanged)
+    def scanning(self):
+        if simulator():
+            return self.m_demoTimer.isActive()
+        return self.m_deviceDiscoveryAgent.isActive()
+
+    @Property("QVariant", notify=devicesChanged)
+    def devices(self):
+        return self.m_devices