openCom-Companion/sbapp/plyer/platforms/ios/flash.py
2022-09-16 18:07:57 +02:00

51 lines
1.1 KiB
Python

# coding=utf-8
"""
Flash
-----
"""
from plyer.facades import Flash
from pyobjus import autoclass
NSString = autoclass("NSString")
AVCaptureDevice = autoclass("AVCaptureDevice")
AVMediaTypeVideo = NSString.alloc().initWithUTF8String_("vide")
AVCaptureTorchModeOff = 0
AVCaptureTorchModeOn = 1
class IosFlash(Flash):
_camera = None
def _on(self):
if self._camera is None:
self._camera_open()
if not self._camera:
return
self._camera.lockForConfiguration_(None)
try:
self._camera.setTorchMode(AVCaptureTorchModeOn)
finally:
self._camera.unlockForConfiguration()
def _off(self):
if not self._camera:
return
self._camera.lockForConfiguration_(None)
try:
self._camera.setTorchMode(AVCaptureTorchModeOff)
finally:
self._camera.unlockForConfiguration()
def _release(self):
pass
def _camera_open(self):
device = AVCaptureDevice.defaultDeviceWithMediaType_(AVMediaTypeVideo)
if not device:
return
self._camera = device
def instance():
return IosFlash()