fixup: add missing file

app/src/main/java/at/lockstep/player/playback/PasadaAccelFeeder.kt

@@ -0,0 +1,77 @@
+package at.lockstep.player.playback
+
+import android.content.Context
+import android.hardware.Sensor
+import android.hardware.SensorEvent
+import android.hardware.SensorEventListener
+import android.hardware.SensorManager
+import android.os.Handler
+import android.os.HandlerThread
+import at.lockstep.player.pasada.LibPasada
+
+/**
+ * Registers the accelerometer on a background [HandlerThread] and forwards samples to
+ * [LibPasada.feedAccel]. Owned by [PlaybackService] for the duration of a run session.
+ */
+class PasadaAccelFeeder(
+    context: Context,
+) {
+    private val sensorManager = context.applicationContext.getSystemService(SensorManager::class.java)
+    private val accelerometer = sensorManager?.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)
+    private val handlerThread = HandlerThread("PasadaAccel").apply { start() }
+    private val handler = Handler(handlerThread.looper)
+
+    @Volatile
+    private var feedingEnabled = false
+
+    private var registered = false
+
+    private val listener =
+        object : SensorEventListener {
+            override fun onSensorChanged(event: SensorEvent) {
+                if (!feedingEnabled || event.sensor.type != Sensor.TYPE_ACCELEROMETER) {
+                    return
+                }
+                LibPasada.feedAccel(
+                    event.values[0],
+                    event.values[1],
+                    event.values[2],
+                    event.timestamp,
+                )
+            }
+
+            override fun onAccuracyChanged(
+                sensor: Sensor?,
+                accuracy: Int,
+            ) = Unit
+        }
+
+    fun start() {
+        if (registered || sensorManager == null || accelerometer == null) {
+            return
+        }
+        feedingEnabled = true
+        sensorManager.registerListener(
+            listener,
+            accelerometer,
+            SensorManager.SENSOR_DELAY_GAME,
+            0,
+            handler,
+        )
+        registered = true
+    }
+
+    fun stop() {
+        feedingEnabled = false
+        if (!registered || sensorManager == null) {
+            return
+        }
+        sensorManager.unregisterListener(listener)
+        registered = false
+    }
+
+    fun release() {
+        stop()
+        handlerThread.quitSafely()
+    }
+}