Add DEBUG logging to StylusManager. (d9263b90) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/stylus/StylusManager.kt

+42 −22

Original line number	Diff line number	Diff line
		@@ -82,6 +82,8 @@ constructor(
		fun startListener() {
		handler.post {
		if (hasStarted) return@post
		logDebug { "Listener has started." }

		hasStarted = true
		isInUsiSession =
		inputManager.hasInputDevice {
		@@ -116,6 +118,10 @@ constructor(

		val device: InputDevice = inputManager.getInputDevice(deviceId) ?: return
		if (!device.supportsSource(InputDevice.SOURCE_STYLUS)) return
		logDebug {
		"Stylus InputDevice added: $deviceId ${device.name}, " +
		"External: ${device.isExternal}"
		}

		if (!device.isExternal) {
		registerBatteryListener(deviceId)
		@@ -137,6 +143,7 @@ constructor(

		val device: InputDevice = inputManager.getInputDevice(deviceId) ?: return
		if (!device.supportsSource(InputDevice.SOURCE_STYLUS)) return
		logDebug { "Stylus InputDevice changed: $deviceId ${device.name}" }

		val currAddress: String? = device.bluetoothAddress
		val prevAddress: String? = inputDeviceAddressMap[deviceId]
		@@ -157,6 +164,8 @@ constructor(
		if (!hasStarted) return

		if (!inputDeviceAddressMap.contains(deviceId)) return
		logDebug { "Stylus InputDevice removed: $deviceId" }

		unregisterBatteryListener(deviceId)

		val btAddress: String? = inputDeviceAddressMap[deviceId]
		@@ -180,6 +189,11 @@ constructor(

		val isCharging = String(value) == "true"

		logDebug {
		"Charging state metadata changed for device $inputDeviceId " +
		"${device.address}: $isCharging"
		}

		executeStylusBatteryCallbacks { cb ->
		cb.onStylusBluetoothChargingStateChanged(inputDeviceId, device, isCharging)
		}
		@@ -194,13 +208,10 @@ constructor(
		handler.post {
		if (!hasStarted) return@post

		if (DEBUG) {
		Log.d(
		TAG,
		"onBatteryStateChanged for $deviceId. " +
		logDebug {
		"Battery state changed for $deviceId. " +
		"batteryState present: ${batteryState.isPresent}, " +
		"capacity: ${batteryState.capacity}"
		)
		}

		val batteryStateValid = isBatteryStateValid(batteryState)
		@@ -216,7 +227,7 @@ constructor(
		}

		private fun onStylusBluetoothConnected(deviceId: Int, btAddress: String) {
		trackAndLogBluetoothSession(deviceId, true)
		trackAndLogBluetoothSession(deviceId, btAddress, true)
		val device: BluetoothDevice = bluetoothAdapter?.getRemoteDevice(btAddress) ?: return
		try {
		bluetoothAdapter.addOnMetadataChangedListener(device, executor, this)
		@@ -226,7 +237,7 @@ constructor(
		}

		private fun onStylusBluetoothDisconnected(deviceId: Int, btAddress: String) {
		trackAndLogBluetoothSession(deviceId, false)
		trackAndLogBluetoothSession(deviceId, btAddress, false)
		val device: BluetoothDevice = bluetoothAdapter?.getRemoteDevice(btAddress) ?: return
		try {
		bluetoothAdapter.removeOnMetadataChangedListener(device, this)
		@@ -245,6 +256,7 @@ constructor(
		if (!featureFlags.isEnabled(Flags.TRACK_STYLUS_EVER_USED)) return
		if (InputSettings.isStylusEverUsed(context)) return

		logDebug { "Stylus used for the first time." }
		InputSettings.setStylusEverUsed(context, true)
		executeStylusCallbacks { cb -> cb.onStylusFirstUsed() }
		}
		@@ -259,12 +271,7 @@ constructor(
		// TODO(b/268618918) handle cases where an invalid battery callback from a previous stylus
		// is sent after the actual valid callback
		if (batteryStateValid && usiSessionId == null) {
		if (DEBUG) {
		Log.d(
		TAG,
		"USI battery newly present, entering new USI session. Device ID: $deviceId"
		)
		}
		logDebug { "USI battery newly present, entering new USI session: $deviceId" }
		usiSessionId = instanceIdSequence.newInstanceId()
		uiEventLogger.logWithInstanceId(
		StylusUiEvent.USI_STYLUS_BATTERY_PRESENCE_FIRST_DETECTED,
		@@ -273,9 +280,7 @@ constructor(
		usiSessionId
		)
		} else if (!batteryStateValid && usiSessionId != null) {
		if (DEBUG) {
		Log.d(TAG, "USI battery newly absent, exiting USI session Device ID: $deviceId")
		}
		logDebug { "USI battery newly absent, exiting USI session: $deviceId" }
		uiEventLogger.logWithInstanceId(
		StylusUiEvent.USI_STYLUS_BATTERY_PRESENCE_REMOVED,
		0,
		@@ -286,8 +291,17 @@ constructor(
		}
		}

		private fun trackAndLogBluetoothSession(deviceId: Int, bluetoothConnected: Boolean) {
		if (bluetoothConnected) {
		private fun trackAndLogBluetoothSession(
		deviceId: Int,
		btAddress: String,
		btConnected: Boolean
		) {
		logDebug {
		"Bluetooth stylus ${if (btConnected) "connected" else "disconnected"}:" +
		" $deviceId $btAddress"
		}

		if (btConnected) {
		inputDeviceBtSessionIdMap[deviceId] = instanceIdSequence.newInstanceId()
		uiEventLogger.logWithInstanceId(
		StylusUiEvent.BLUETOOTH_STYLUS_CONNECTED,
		@@ -383,7 +397,13 @@ constructor(
		}

		companion object {
		private val TAG = StylusManager::class.simpleName.orEmpty()
		private val DEBUG = false
		val TAG = StylusManager::class.simpleName.orEmpty()
		const val DEBUG = false
		}
		}

		private inline fun logDebug(message: () -> String) {
		if (StylusManager.DEBUG) {
		Log.d(StylusManager.TAG, message())
		}
		}