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import re
import queue
import time
import os
from PyQt5.QtCore import pyqtSlot, pyqtSignal, QObject, QUrl, QLocale, qInstallMessageHandler, QTimer
from PyQt5.QtGui import QGuiApplication, QFontDatabase
from PyQt5.QtQml import qmlRegisterType, qmlRegisterUncreatableType, QQmlApplicationEngine
from electrum.logging import Logger, get_logger
from electrum import version
from .qeconfig import QEConfig
from .qedaemon import QEDaemon, QEWalletListModel
from .qenetwork import QENetwork
from .qewallet import QEWallet
from .qeqr import QEQRParser, QEQRImageProvider
from .qewalletdb import QEWalletDB
from .qebitcoin import QEBitcoin
from .qefx import QEFX
from .qetxfinalizer import QETxFinalizer
from .qeinvoice import QEInvoice, QEInvoiceParser, QEUserEnteredPayment
from .qetypes import QEAmount
from .qeaddressdetails import QEAddressDetails
from .qetxdetails import QETxDetails
from .qechannelopener import QEChannelOpener
from .qelnpaymentdetails import QELnPaymentDetails
from .qechanneldetails import QEChannelDetails
from .qeswaphelper import QESwapHelper
notification = None
class QEAppController(QObject):
userNotify = pyqtSignal(str)
def __init__(self, qedaemon):
super().__init__()
self.logger = get_logger(__name__)
self._qedaemon = qedaemon
# set up notification queue and notification_timer
self.user_notification_queue = queue.Queue()
self.user_notification_last_time = 0
self.notification_timer = QTimer(self)
self.notification_timer.setSingleShot(False)
self.notification_timer.setInterval(500) # msec
self.notification_timer.timeout.connect(self.on_notification_timer)
self._qedaemon.walletLoaded.connect(self.on_wallet_loaded)
self.userNotify.connect(self.notifyAndroid)
def on_wallet_loaded(self):
qewallet = self._qedaemon.currentWallet
if not qewallet:
return
# attach to the wallet user notification events
# connect only once
try:
qewallet.userNotify.disconnect(self.on_wallet_usernotify)
except:
pass
qewallet.userNotify.connect(self.on_wallet_usernotify)
def on_wallet_usernotify(self, wallet, message):
self.logger.debug(message)
self.user_notification_queue.put(message)
if not self.notification_timer.isActive():
self.logger.debug('starting app notification timer')
self.notification_timer.start()
def on_notification_timer(self):
if self.user_notification_queue.qsize() == 0:
self.logger.debug('queue empty, stopping app notification timer')
self.notification_timer.stop()
return
now = time.time()
rate_limit = 20 # seconds
if self.user_notification_last_time + rate_limit > now:
return
self.user_notification_last_time = now
self.logger.info("Notifying GUI about new user notifications")
try:
self.userNotify.emit(self.user_notification_queue.get_nowait())
except queue.Empty:
pass
def notifyAndroid(self, message):
try:
# TODO: lazy load not in UI thread please
global notification
if not notification:
from plyer import notification
icon = (os.path.dirname(os.path.realpath(__file__))
+ '/../icons/electrum.png')
notification.notify('Electrum', message, app_icon=icon, app_name='Electrum')
except ImportError:
self.logger.warning('Notification: needs plyer; `sudo python3 -m pip install plyer`')
except Exception as e:
self.logger.error(repr(e))
@pyqtSlot(str, str)
def doShare(self, data, title):
#if platform != 'android':
#return
try:
from jnius import autoclass, cast
except ImportError:
self.logger.error('Share: needs jnius. Platform not Android?')
return
JS = autoclass('java.lang.String')
Intent = autoclass('android.content.Intent')
sendIntent = Intent()
sendIntent.setAction(Intent.ACTION_SEND)
sendIntent.setType("text/plain")
sendIntent.putExtra(Intent.EXTRA_TEXT, JS(data))
pythonActivity = autoclass('org.kivy.android.PythonActivity')
currentActivity = cast('android.app.Activity', pythonActivity.mActivity)
it = Intent.createChooser(sendIntent, cast('java.lang.CharSequence', JS(title)))
currentActivity.startActivity(it)
@pyqtSlot('QString')
def textToClipboard(self, text):
QGuiApplication.clipboard().setText(text)
@pyqtSlot(result='QString')
def clipboardToText(self):
return QGuiApplication.clipboard().text()
class ElectrumQmlApplication(QGuiApplication):
_valid = True
def __init__(self, args, config, daemon):
super().__init__(args)
self.logger = get_logger(__name__)
ElectrumQmlApplication._daemon = daemon
qmlRegisterType(QEWallet, 'org.electrum', 1, 0, 'Wallet')
qmlRegisterType(QEWalletDB, 'org.electrum', 1, 0, 'WalletDB')
qmlRegisterType(QEBitcoin, 'org.electrum', 1, 0, 'Bitcoin')
qmlRegisterType(QEQRParser, 'org.electrum', 1, 0, 'QRParser')
qmlRegisterType(QEFX, 'org.electrum', 1, 0, 'FX')
qmlRegisterType(QETxFinalizer, 'org.electrum', 1, 0, 'TxFinalizer')
qmlRegisterType(QEInvoice, 'org.electrum', 1, 0, 'Invoice')
qmlRegisterType(QEInvoiceParser, 'org.electrum', 1, 0, 'InvoiceParser')
qmlRegisterType(QEUserEnteredPayment, 'org.electrum', 1, 0, 'UserEnteredPayment')
qmlRegisterType(QEAddressDetails, 'org.electrum', 1, 0, 'AddressDetails')
qmlRegisterType(QETxDetails, 'org.electrum', 1, 0, 'TxDetails')
qmlRegisterType(QEChannelOpener, 'org.electrum', 1, 0, 'ChannelOpener')
qmlRegisterType(QELnPaymentDetails, 'org.electrum', 1, 0, 'LnPaymentDetails')
qmlRegisterType(QEChannelDetails, 'org.electrum', 1, 0, 'ChannelDetails')
qmlRegisterType(QESwapHelper, 'org.electrum', 1, 0, 'SwapHelper')
qmlRegisterUncreatableType(QEAmount, 'org.electrum', 1, 0, 'Amount', 'Amount can only be used as property')
self.engine = QQmlApplicationEngine(parent=self)
self.engine.addImportPath('./qml')
screensize = self.primaryScreen().size()
self.qr_ip = QEQRImageProvider((7/8)*min(screensize.width(), screensize.height()))
self.engine.addImageProvider('qrgen', self.qr_ip)
# add a monospace font as we can't rely on device having one
self.fixedFont = 'PT Mono'
not_loaded = QFontDatabase.addApplicationFont('electrum/gui/qml/fonts/PTMono-Regular.ttf') < 0
not_loaded = QFontDatabase.addApplicationFont('electrum/gui/qml/fonts/PTMono-Bold.ttf') < 0 and not_loaded
if not_loaded:
self.logger.warning('Could not load font PT Mono')
self.fixedFont = 'Monospace' # hope for the best
self.context = self.engine.rootContext()
self._qeconfig = QEConfig(config)
self._qenetwork = QENetwork(daemon.network)
self._qedaemon = QEDaemon(daemon)
self._appController = QEAppController(self._qedaemon)
self._maxAmount = QEAmount(is_max=True)
self.context.setContextProperty('AppController', self._appController)
self.context.setContextProperty('Config', self._qeconfig)
self.context.setContextProperty('Network', self._qenetwork)
self.context.setContextProperty('Daemon', self._qedaemon)
self.context.setContextProperty('FixedFont', self.fixedFont)
self.context.setContextProperty('MAX', self._maxAmount)
self.context.setContextProperty('BUILD', {
'electrum_version': version.ELECTRUM_VERSION,
'apk_version': version.APK_VERSION,
'protocol_version': version.PROTOCOL_VERSION
})
qInstallMessageHandler(self.message_handler)
# get notified whether root QML document loads or not
self.engine.objectCreated.connect(self.objectCreated)
# slot is called after loading root QML. If object is None, it has failed.
@pyqtSlot('QObject*', 'QUrl')
def objectCreated(self, object, url):
if object is None:
self._valid = False
self.engine.objectCreated.disconnect(self.objectCreated)
def message_handler(self, line, funct, file):
# filter out common harmless messages
if re.search('file:///.*TypeError: Cannot read property.*null$', file):
return
self.logger.warning(file)