Move URL/title handling to AbstractTab

qutebrowser/browser/browsertab.py

@@ -497,6 +497,12 @@ class AbstractTab(QWidget):
         self._load_status = val
         self.load_status_changed.emit(val.name)
 
+    @pyqtSlot(QUrl)
+    def _on_url_changed(self, url):
+        """Update title when URL has changed and no title is available."""
+        if url.isValid() and not self.title():
+            self.title_changed.emit(url().toDisplayString())
+
     @pyqtSlot()
     def _on_load_started(self):
         self._progress = 0
@@ -518,6 +524,8 @@ class AbstractTab(QWidget):
         else:
             self._set_load_status(usertypes.LoadStatus.error)
         self.load_finished.emit(ok)
+        if not self.title():
+            self.title_changed.emit(self.url().toDisplayString())
 
     @pyqtSlot(int)
     def _on_load_progress(self, perc):

qutebrowser/browser/webengine/webenginetab.py

@@ -261,6 +261,7 @@ class WebEngineTab(browsertab.AbstractTab):
         self.backend = usertypes.Backend.QtWebEngine
 
     def openurl(self, url):
+        self.title_changed.emit(url.toDisplayString())
         self._widget.load(url)
 
     def url(self):

qutebrowser/browser/webkit/webkittab.py

@@ -467,6 +467,7 @@ class WebKitTab(browsertab.AbstractTab):
         self.backend = usertypes.Backend.QtWebKit
 
     def openurl(self, url):
+        self.title_changed.emit(url.toDisplayString())
         self._widget.openurl(url)
 
     def url(self):

qutebrowser/browser/webkit/webview.py

@@ -96,7 +96,6 @@ class WebView(QWebView):
         mode_manager.left.connect(self.on_mode_left)
         if config.get('input', 'rocker-gestures'):
             self.setContextMenuPolicy(Qt.PreventContextMenu)
-        self.urlChanged.connect(self.on_url_changed)
         objreg.get('config').changed.connect(self.on_config_changed)
 
     @pyqtSlot()
@@ -287,9 +286,6 @@ class WebView(QWebView):
             url: The URL to load as QUrl
         """
         qtutils.ensure_valid(url)
-        urlstr = url.toDisplayString()
-        log.webview.debug("New title: {}".format(urlstr))
-        self.titleChanged.emit(urlstr)
         self.load(url)
         if url.scheme() == 'qute':
             frame = self.page().mainFrame()
@@ -308,16 +304,6 @@ class WebView(QWebView):
             bridge = objreg.get('js-bridge')
             frame.addToJavaScriptWindowObject('qute', bridge)
 
-    @pyqtSlot('QUrl')
-    def on_url_changed(self, url):
-        """Update title when URL has changed.
-
-        If the URL is invalid, we just ignore it here.
-        """
-        if url.isValid():
-            if not self.title():
-                self.titleChanged.emit(self.url().toDisplayString())
-
     @pyqtSlot('QMouseEvent')
     def on_mouse_event(self, evt):
         """Post a new mouse event from a hintmanager."""
@@ -334,8 +320,6 @@ class WebView(QWebView):
         See https://github.com/The-Compiler/qutebrowser/issues/84
         """
         ok = not self.page().error_occurred
-        if not self.title():
-            self.titleChanged.emit(self.url().toDisplayString())
         self._handle_auto_insert_mode(ok)
 
     def _handle_auto_insert_mode(self, ok):