Bluetooth: use composition instead of inheritance.

Part of #1424.
2023-11-05 14:15:02 +01:00
parent 3a2a62a6d7
commit 4d54472c93
16 changed files with 185 additions and 163 deletions
@@ -0,0 +1,53 @@
+package de.dennisguse.opentracks.sensors;
+
+import android.bluetooth.BluetoothGattCharacteristic;
+import android.util.Log;
+
+import java.util.List;
+
+import de.dennisguse.opentracks.sensors.sensorData.SensorDataCyclingCadence;
+import de.dennisguse.opentracks.sensors.sensorData.SensorDataCyclingCadenceAndDistanceSpeed;
+import de.dennisguse.opentracks.sensors.sensorData.SensorDataCyclingPower;
+import de.dennisguse.opentracks.sensors.sensorData.SensorHandlerInterface;
+
+public class BluetoothHandlerCyclingCadence implements SensorHandlerInterface {
+    private static final String TAG = BluetoothHandlerCyclingCadence.class.getSimpleName();
+
+    public static final List<ServiceMeasurementUUID> CYCLING_CADENCE = List.of(
+            BluetoothConnectionManagerCyclingPower.CYCLING_POWER,
+            BluetoothConnectionManagerCyclingDistanceSpeed.CYCLING_SPEED_CADENCE
+    );
+
+    @Override
+    public List<ServiceMeasurementUUID> getServices() {
+        return CYCLING_CADENCE;
+    }
+
+    @Override
+    public SensorDataCyclingCadence createEmptySensorData(String address) {
+        return new SensorDataCyclingCadence(address);
+    }
+
+    @Override
+    public void handlePayload(SensorManager.SensorDataChangedObserver observer, ServiceMeasurementUUID serviceMeasurementUUID, String sensorName, String address, BluetoothGattCharacteristic characteristic) {
+
+        //TODO Implement to ServiceMeasurement.parse()?
+        if (serviceMeasurementUUID.equals(BluetoothConnectionManagerCyclingPower.CYCLING_POWER)) {
+            SensorDataCyclingPower.Data data = BluetoothUtils.parseCyclingPower(address, sensorName, characteristic);
+            if (data!= null) {
+                observer.onChange(data.cadence());
+            }
+        } else if (serviceMeasurementUUID.equals(BluetoothConnectionManagerCyclingDistanceSpeed.CYCLING_SPEED_CADENCE)) {
+            SensorDataCyclingCadenceAndDistanceSpeed cadenceAndSpeed = BluetoothUtils.parseCyclingCrankAndWheel(address, sensorName, characteristic);
+            if (cadenceAndSpeed == null) {
+                return;
+            }
+
+            if (cadenceAndSpeed.getCadence() != null) {
+                observer.onChange(cadenceAndSpeed.getCadence());
+            }
+        }
+
+        Log.e(TAG, "Don't know how to decode this payload.");
+    }
+}