openCom-Companion/sbapp/plyer/platforms/android/light.py

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from jnius import autoclass
from jnius import cast
from jnius import java_method
from jnius import PythonJavaClass
from plyer.facades import Light
from plyer.platforms.android import activity
Context = autoclass('android.content.Context')
Sensor = autoclass('android.hardware.Sensor')
SensorManager = autoclass('android.hardware.SensorManager')
class LightSensorListener(PythonJavaClass):
__javainterfaces__ = ['android/hardware/SensorEventListener']
def __init__(self):
super().__init__()
service = activity.getSystemService(Context.SENSOR_SERVICE)
self.SensorManager = cast('android.hardware.SensorManager', service)
self.sensor = self.SensorManager.getDefaultSensor(Sensor.TYPE_LIGHT)
self.value = None
def enable(self):
self.SensorManager.registerListener(
self, self.sensor,
SensorManager.SENSOR_DELAY_NORMAL
)
def disable(self):
self.SensorManager.unregisterListener(self, self.sensor)
@java_method('(Landroid/hardware/SensorEvent;)V')
def onSensorChanged(self, event):
self.value = event.values[0]
@java_method('(Landroid/hardware/Sensor;I)V')
def onAccuracyChanged(self, sensor, accuracy):
pass
class AndroidLight(Light):
listener = None
def _get_illumination(self):
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if self.listener and self.listener.value != None:
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light = self.listener.value
return light
def _enable(self):
if not self.listener:
self.listener = LightSensorListener()
self.listener.enable()
def _disable(self):
if self.listener:
self.listener.disable()
delattr(self, 'listener')
def instance():
return AndroidLight()