qml: clean up, generalize plugin gui base, enumerate plugins in gui

(still quite crude impl, dynamic enable/disable plugin gui is misaligned
with backend)

electrum/gui/qml/components/Preferences.qml

@@ -217,6 +217,7 @@ Pane {
 
             Pane {
                 ColumnLayout {
+                    x: constants.paddingXXLarge
                     id: pluginsRootLayout
                 }
             }
@@ -232,12 +233,23 @@ Pane {
     Component {
         id: pluginHeader
         RowLayout {
-            property QtObject plugin
+            Layout.leftMargin: -constants.paddingXXLarge
+            property string name
+            property string fullname
+            property bool pluginEnabled
             Switch {
-                checked: plugin.pluginEnabled
+                checked: pluginEnabled
+                onCheckedChanged: {
+                    if (activeFocus)
+                        pluginEnabled = checked
+                }
             }
             Label {
-                text: plugin.name
+                text: fullname
+            }
+            onPluginEnabledChanged: {
+                console.log('!')
+                AppController.setPluginEnabled(name, pluginEnabled)
             }
         }
     }
@@ -252,10 +264,12 @@ Pane {
         spendUnconfirmed.checked = Config.spendUnconfirmed
         lnRoutingType.currentIndex = Config.useGossip ? 0 : 1
 
-        var labelsPlugin = AppController.plugin('labels')
+        var plugins = AppController.plugins
+        for (var i=0; i<plugins.length; i++) {
+            var p = plugins[i]
+            pluginHeader.createObject(pluginsRootLayout, { name: p['name'], fullname: p['fullname'], pluginEnabled: p['enabled'] })
+            var labelsPlugin = AppController.plugin(p['name'])
             if (labelsPlugin) {
-            pluginHeader.createObject(pluginsRootLayout, { plugin: labelsPlugin })
-//             console.log(Qt.resolvedUrl(labelsPlugin.settingsComponent()))
                 if (labelsPlugin.settingsComponent()) {
                     var component = Qt.createComponent(Qt.resolvedUrl(labelsPlugin.settingsComponent()))
                     component.createObject(pluginsRootLayout, { plugin: labelsPlugin })
@@ -263,3 +277,4 @@ Pane {
             }
         }
     }
+}

electrum/gui/qml/components/main.qml

@@ -349,7 +349,6 @@ ApplicationWindow
     property bool _lockDialogShown: false
 
     onActiveChanged: {
-        console.log('active='+active)
         if (!active) {
             // deactivated
             _lastActive = Date.now()

electrum/gui/qml/plugins.py

@@ -0,0 +1,40 @@
+from PyQt5.QtCore import pyqtSignal, pyqtSlot, pyqtProperty, QObject
+
+from electrum.i18n import _
+from electrum.logging import get_logger
+
+class PluginQObject(QObject):
+    logger = get_logger(__name__)
+
+    pluginChanged = pyqtSignal()
+    busyChanged = pyqtSignal()
+    pluginEnabledChanged = pyqtSignal()
+
+    _busy = False
+
+    def __init__(self, plugin, parent: 'ElectrumGuiApplication'):
+        super().__init__(parent)
+        self.plugin = plugin
+        self.app = parent
+
+    @pyqtProperty(str, notify=pluginChanged)
+    def name(self): return self._name
+
+    @pyqtProperty(bool, notify=busyChanged)
+    def busy(self): return self._busy
+
+    @pyqtProperty(bool, notify=pluginEnabledChanged)
+    def pluginEnabled(self): return self.plugin.is_enabled()
+
+    @pluginEnabled.setter
+    def pluginEnabled(self, enabled):
+        if enabled != self.plugin.is_enabled():
+            self.logger.debug(f'can {self.plugin.can_user_disable()}, {self.plugin.is_available()}')
+            if not self.plugin.can_user_disable() and not enabled:
+                return
+            if enabled:
+                self.app.plugins.enable(self.plugin.name)
+            else:
+                self.app.plugins.disable(self.plugin.name)
+            self.pluginEnabledChanged.emit()
+

electrum/gui/qml/qeapp.py

@@ -3,7 +3,7 @@ import queue
 import time
 import os
 
-from PyQt5.QtCore import pyqtSlot, pyqtSignal, QObject, QUrl, QLocale, qInstallMessageHandler, QTimer
+from PyQt5.QtCore import pyqtSlot, pyqtSignal, pyqtProperty, QObject, QUrl, QLocale, qInstallMessageHandler, QTimer
 from PyQt5.QtGui import QGuiApplication, QFontDatabase
 from PyQt5.QtQml import qmlRegisterType, qmlRegisterUncreatableType, QQmlApplicationEngine
 
@@ -34,6 +34,8 @@ notification = None
 class QEAppController(QObject):
     userNotify = pyqtSignal(str)
 
+    _dummy = pyqtSignal()
+
     def __init__(self, qedaemon, plugins):
         super().__init__()
         self.logger = get_logger(__name__)
@@ -134,15 +136,37 @@ class QEAppController(QObject):
 
     @pyqtSlot(str, result=QObject)
     def plugin(self, plugin_name):
-        self.logger.warning(f'now {self._plugins.count()} plugins loaded')
+        self.logger.debug(f'now {self._plugins.count()} plugins loaded')
         plugin = self._plugins.get(plugin_name)
         self.logger.debug(f'plugin with name {plugin_name} is {str(type(plugin))}')
-        if plugin:
+        if plugin and hasattr(plugin,'so'):
             return plugin.so
         else:
             self.logger.debug('None!')
             return None
 
+    @pyqtProperty('QVariant', notify=_dummy)
+    def plugins(self):
+        s = []
+        for item in self._plugins.descriptions:
+            self.logger.info(item)
+            s.append({
+                'name': item,
+                'fullname': self._plugins.descriptions[item]['fullname'],
+                'enabled': bool(self._plugins.get(item))
+                })
+
+        self.logger.debug(f'{str(s)}')
+        return s
+
+    @pyqtSlot(str, bool)
+    def setPluginEnabled(self, plugin, enabled):
+        if enabled:
+            self._plugins.enable(plugin)
+        else:
+            self._plugins.disable(plugin)
+
+
 class ElectrumQmlApplication(QGuiApplication):
 
     _valid = True
@@ -190,10 +214,11 @@ class ElectrumQmlApplication(QGuiApplication):
             self.fixedFont = 'Monospace' # hope for the best
 
         self.context = self.engine.rootContext()
+        self.plugins = plugins
         self._qeconfig = QEConfig(config)
         self._qenetwork = QENetwork(daemon.network, self._qeconfig)
         self.daemon = QEDaemon(daemon)
-        self.appController = QEAppController(self.daemon, plugins)
+        self.appController = QEAppController(self.daemon, self.plugins)
         self._maxAmount = QEAmount(is_max=True)
         self.context.setContextProperty('AppController', self.appController)
         self.context.setContextProperty('Config', self._qeconfig)

electrum/plugins/labels/qml.py

@@ -6,35 +6,23 @@ from electrum.i18n import _
 from electrum.plugin import hook
 
 from electrum.gui.qml.qewallet import QEWallet
+from electrum.gui.qml.plugins import PluginQObject
 
 from .labels import LabelsPlugin
 
 class Plugin(LabelsPlugin):
 
-    class QSignalObject(QObject):
+    class QSignalObject(PluginQObject):
-        pluginChanged = pyqtSignal()
-        pluginEnabledChanged = pyqtSignal()
         labelsChanged = pyqtSignal()
-        busyChanged = pyqtSignal()
         uploadSuccess = pyqtSignal()
         uploadFailed = pyqtSignal()
         downloadSuccess = pyqtSignal()
         downloadFailed = pyqtSignal()
 
-        _busy = False
+        _name = _('LabelSync Plugin')
 
-        def __init__(self, plugin, parent = None):
+        def __init__(self, plugin, parent):
-            super().__init__(parent)
+            super().__init__(plugin, parent)
-            self.plugin = plugin
-
-        @pyqtProperty(str, notify=pluginChanged)
-        def name(self): return _('Labels Plugin')
-
-        @pyqtProperty(bool, notify=busyChanged)
-        def busy(self): return self._busy
-
-        @pyqtProperty(bool, notify=pluginEnabledChanged)
-        def pluginEnabled(self): return self.plugin.is_enabled()
 
         @pyqtSlot(result=str)
         def settingsComponent(self): return '../../../plugins/labels/Labels.qml'
@@ -78,7 +66,7 @@ class Plugin(LabelsPlugin):
 
     @hook
     def load_wallet(self, wallet):
-        self.logger.info(f'load_wallet hook for wallet {str(type(wallet))}')
+        self.logger.debug(f'plugin enabled for wallet "{str(wallet)}"')
         self.start_wallet(wallet)
 
     def push_async(self):
@@ -130,8 +118,7 @@ class Plugin(LabelsPlugin):
 
     @hook
     def init_qml(self, gui: 'ElectrumGui'):
-        self.logger.debug('init_qml hook called')
+        self.logger.debug(f'init_qml hook called, gui={str(type(gui))}')
-        self.logger.debug(f'gui={str(type(gui))}')
         self._app = gui.app
         # important: QSignalObject needs to be parented, as keeping a ref
         # in the plugin is not enough to avoid gc