aaed64c45a
qml: add signals for QEQRScanner and fallbacks, add QEBytes container type so we can pass along byte arrays between QML and python, port qr scan occurrences to new signals.
82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
import os
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from PyQt6.QtCore import pyqtProperty, pyqtSignal, pyqtSlot, QObject, Qt
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from PyQt6.QtGui import QGuiApplication
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from electrum.gui.qml.qetypes import QEBytes
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from electrum.util import send_exception_to_crash_reporter
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from electrum.logging import get_logger
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from electrum.i18n import _
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if 'ANDROID_DATA' in os.environ:
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from jnius import autoclass
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from android import activity
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jpythonActivity = autoclass('org.kivy.android.PythonActivity').mActivity
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jString = autoclass('java.lang.String')
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jIntent = autoclass('android.content.Intent')
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class QEQRScanner(QObject):
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_logger = get_logger(__name__)
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foundText = pyqtSignal(str)
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foundBinary = pyqtSignal(QEBytes)
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finished = pyqtSignal()
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def __init__(self, parent=None):
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super().__init__(parent)
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self._hint = _("Scan a QR code.")
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self.finished.connect(self._unbind, Qt.ConnectionType.QueuedConnection)
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self.destroyed.connect(lambda: self.on_destroy())
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def on_destroy(self):
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self._unbind()
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@pyqtProperty(str)
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def hint(self):
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return self._hint
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@hint.setter
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def hint(self, v: str):
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self._hint = v
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@pyqtSlot()
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def open(self):
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if 'ANDROID_DATA' not in os.environ:
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self._scan_qr_non_android()
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return
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jSimpleScannerActivity = autoclass("org.electrum.qr.SimpleScannerActivity")
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intent = jIntent(jpythonActivity, jSimpleScannerActivity)
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intent.putExtra(jIntent.EXTRA_TEXT, jString(self._hint))
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activity.bind(on_activity_result=self.on_qr_activity_result)
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jpythonActivity.startActivityForResult(intent, 0)
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def on_qr_activity_result(self, requestCode, resultCode, intent):
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try:
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if resultCode == -1: # RESULT_OK:
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if (contents := intent.getStringExtra(jString("text"))) is not None:
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self.foundText.emit(contents)
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if (contents := intent.getByteArrayExtra(jString("binary"))) is not None:
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self._binary_content = QEBytes(bytes(contents.tolist()))
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self.foundBinary.emit(self._binary_content)
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except Exception as e: # exc would otherwise get lost
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send_exception_to_crash_reporter(e)
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finally:
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self.finished.emit()
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@pyqtSlot()
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def _unbind(self):
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if 'ANDROID_DATA' in os.environ:
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activity.unbind(on_activity_result=self.on_qr_activity_result)
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def _scan_qr_non_android(self):
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data = QGuiApplication.clipboard().text()
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self.foundText.emit(data)
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self.finished.emit()
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return
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