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electrum/electrum/gui/qml/qeqrscanner.py

97 lines
3.1 KiB
Python

import os
from PyQt6.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject
from PyQt6.QtGui import QGuiApplication
from electrum.util import send_exception_to_crash_reporter, UserFacingException
from electrum.simple_config import SimpleConfig
from electrum.logging import get_logger
from electrum.i18n import _
if 'ANDROID_DATA' in os.environ:
from jnius import autoclass, cast
from android import activity
jpythonActivity = autoclass('org.kivy.android.PythonActivity').mActivity
jString = autoclass('java.lang.String')
jIntent = autoclass('android.content.Intent')
class QEQRScanner(QObject):
_logger = get_logger(__name__)
found = pyqtSignal()
def __init__(self, parent=None):
super().__init__(parent)
self._hint = _("Scan a QR code.")
self._scan_data = "" # decoded qr code result
@pyqtProperty(str)
def hint(self):
return self._hint
@hint.setter
def hint(self, v: str):
self._hint = v
@pyqtProperty(str)
def scanData(self):
return self._scan_data
@scanData.setter
def scanData(self, v: str):
self._scan_data = v
@pyqtSlot()
def open(self):
if 'ANDROID_DATA' not in os.environ:
self._scan_qr_non_android()
return
SimpleScannerActivity = autoclass("org.electrum.qr.SimpleScannerActivity")
intent = jIntent(jpythonActivity, SimpleScannerActivity)
intent.putExtra(jIntent.EXTRA_TEXT, jString(self._hint))
def on_qr_result(requestCode, resultCode, intent):
try:
if resultCode == -1: # RESULT_OK:
# this doesn't work due to some bug in jnius:
# contents = intent.getStringExtra("text")
contents = intent.getStringExtra(jString("text"))
#self._logger.info(f"on_qr_result. {contents=!r}")
self.scanData = contents
self.found.emit()
except Exception as e: # exc would otherwise get lost
send_exception_to_crash_reporter(e)
finally:
activity.unbind(on_activity_result=on_qr_result)
activity.bind(on_activity_result=on_qr_result)
jpythonActivity.startActivityForResult(intent, 0)
@pyqtSlot()
def close(self):
pass
def _scan_qr_non_android(self):
data = QGuiApplication.clipboard().text()
self.scanData = data
self.found.emit()
return
# from electrum import qrscanner
# from .qeapp import ElectrumQmlApplication
# daemon = ElectrumQmlApplication._daemon
# config = daemon.config # type: SimpleConfig
# try:
# video_dev = config.get_video_device()
# data = qrscanner.scan_barcode(video_dev)
# if data is not None:
# self.scanData = data
# self.found.emit()
# except UserFacingException as e:
# self._logger.warning(f'camera error: {e!r}')
# #self.show_error(e)
# except Exception as e:
# self._logger.exception('camera error')
# #self.show_error(repr(e))