qml: defer intent handling at startup, otherwise it gets lost as the app is not handling the signal yet.

Also defer intent handling until a wallet is opened.

electrum/gui/qml/components/WalletMainView.qml

@@ -14,6 +14,7 @@ Item {
     property string title: Daemon.currentWallet ? Daemon.currentWallet.name : ''
 
     property var _sendDialog
+    property string _intentUri
 
     function openInvoice(key) {
         var dialog = invoiceDialog.createObject(app, { invoice: invoiceParser, invoice_key: key })
@@ -229,10 +230,24 @@ Item {
     Connections {
         target: AppController
         function onUriReceived(uri) {
+            console.log('uri received: ' + uri)
+            if (!Daemon.currentWallet) {
+                console.log('No wallet open, deferring')
+                _intentUri = uri
+                return
+            }
             invoiceParser.recipient = uri
         }
     }
 
+    Connections {
+        target: Daemon
+        function onWalletLoaded() {
+            if (_intentUri)
+                invoiceParser.recipient = _intentUri
+        }
+    }
+
     Component {
         id: invoiceDialog
         InvoiceDialog {

electrum/gui/qml/qeapp.py

@@ -56,8 +56,6 @@ class QEAppController(BaseCrashReporter, QObject):
     sendingBugreportSuccess = pyqtSignal(str)
     sendingBugreportFailure = pyqtSignal(str)
 
-    _crash_user_text = ''
-
     def __init__(self, qedaemon, plugins):
         BaseCrashReporter.__init__(self, None, None, None)
         QObject.__init__(self)
@@ -65,6 +63,10 @@ class QEAppController(BaseCrashReporter, QObject):
         self._qedaemon = qedaemon
         self._plugins = plugins
 
+        self._crash_user_text = ''
+        self._app_started = False
+        self._intent = ''
+
         # set up notification queue and notification_timer
         self.user_notification_queue = queue.Queue()
         self.user_notification_last_time = 0
@@ -142,15 +144,23 @@ class QEAppController(BaseCrashReporter, QObject):
             self.logger.error(f'unable to bind intent: {repr(e)}')
 
     def on_new_intent(self, intent):
+        if not self._app_started:
+            self._intent = intent
+            return
+
         data = str(intent.getDataString())
+        self.logger.debug(f'received intent: {repr(data)}')
         scheme = str(intent.getScheme()).lower()
         if scheme == BITCOIN_BIP21_URI_SCHEME or scheme == LIGHTNING_URI_SCHEME:
             self.uriReceived.emit(data)
 
+    def startupFinished(self):
+        self._app_started = True
+        if self._intent:
+            self.on_new_intent(self._intent)
+
     @pyqtSlot(str, str)
     def doShare(self, data, title):
-        #if platform != 'android':
-            #return
         try:
             from jnius import autoclass, cast
         except ImportError:
@@ -352,6 +362,7 @@ class ElectrumQmlApplication(QGuiApplication):
         if object is None:
             self._valid = False
         self.engine.objectCreated.disconnect(self.objectCreated)
+        self.appController.startupFinished()
 
     def message_handler(self, line, funct, file):
         # filter out common harmless messages