Fix :debug-webaction

qutebrowser/browser/commands.py

@@ -32,6 +32,10 @@ from PyQt5.QtCore import Qt, QUrl, QEvent
 from PyQt5.QtGui import QKeyEvent
 from PyQt5.QtPrintSupport import QPrintDialog, QPrintPreviewDialog
 from PyQt5.QtWebKitWidgets import QWebPage
+try:
+    from PyQt5.QtWebEngineWidgets import QWebEnginePage
+except ImportError:
+    QWebEnginePage = None
 import pygments
 import pygments.lexers
 import pygments.formatters
@@ -1644,13 +1648,23 @@ class CommandDispatcher:
             action: The action to execute, e.g. MoveToNextChar.
             count: How many times to repeat the action.
         """
+        tab = self._current_widget()
+
+        if tab.backend == tabmod.Backend.QtWebKit:
+            assert QWebPage is not None
             member = getattr(QWebPage, action, None)
-        if not isinstance(member, QWebPage.WebAction):
+            base = QWebPage.WebAction
+        elif tab.backend == tabmod.Backend.QtWebEngine:
+            assert QWebEnginePage is not None
+            member = getattr(QWebEnginePage, action, None)
+            base = QWebEnginePage.WebAction
+
+        if not isinstance(member, base):
             raise cmdexc.CommandError("{} is not a valid web action!".format(
                 action))
-        view = self._current_widget()
+
         for _ in range(count):
-            view.triggerPageAction(member)
+            tab.run_webaction(member)
 
     @cmdutils.register(instance='command-dispatcher', scope='window',
                        maxsplit=0, no_cmd_split=True)

qutebrowser/browser/tab.py

@@ -482,6 +482,9 @@ class AbstractTab(QWidget):
     def icon(self):
         raise NotImplementedError
 
+    def run_webaction(self, action):
+        raise NotImplementedError
+
     def __repr__(self):
         url = utils.elide(self.cur_url.toDisplayString(QUrl.EncodeUnicode),
                           100)

qutebrowser/browser/webengine/webenginetab.py

@@ -156,6 +156,9 @@ class WebEngineViewTab(tab.AbstractTab):
     def icon(self):
         return self._widget.icon()
 
+    def run_webaction(self, action):
+        self._widget.triggerPageAction(action)
+
     def _connect_signals(self):
         view = self._widget
         page = view.page()

qutebrowser/browser/webkit/webkittab.py

@@ -487,7 +487,7 @@ class WebViewTab(tab.AbstractTab):
             action = QWebPage.ReloadAndBypassCache
         else:
             action = QWebPage.Reload
-        self._widget.triggerPageAction(action)
+        self.run_webaction(action)
 
     def stop(self):
         self._widget.stop()
@@ -499,6 +499,9 @@ class WebViewTab(tab.AbstractTab):
         nam = self._widget.page().networkAccessManager()
         nam.clear_all_ssl_errors()
 
+    def run_webaction(self, action):
+        self._widget.triggerPageAction(action)
+
     def _connect_signals(self):
         view = self._widget
         page = view.page()