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