Fix editor/paste-primary

qutebrowser/browser/commands.py

@@ -1433,10 +1433,7 @@ class CommandDispatcher:
             raise cmdexc.CommandError("No element focused!")
         if not elem.is_editable(strict=True):
             raise cmdexc.CommandError("Focused element is not editable!")
-        if elem.is_content_editable():
+        text = elem.text(use_js=True)
-            text = str(elem)
-        else:
-            text = elem.evaluateJavaScript('this.value')
         ed = editor.ExternalEditor(self._win_id, self._tabbed_browser)
         ed.editing_finished.connect(functools.partial(
             self.on_editing_finished, elem))
@@ -1478,7 +1475,7 @@ class CommandDispatcher:
 
         log.misc.debug("Pasting primary selection into element {}".format(
             elem.debug_text()))
-        elem.evaluateJavaScript("""
+        elem.run_js_async("""
             var sel = '{}';
             var event = document.createEvent('TextEvent');
             event.initTextEvent('textInput', true, true, null, sel);

qutebrowser/browser/webkit/webelem.py

@@ -168,6 +168,18 @@ class WebElementWrapper(collections.abc.MutableMapping):
         self._check_vanished()
         return self._elem.styleProperty(name, strategy)
 
+    def text(self, *, use_js=False):
+        """Get the plain text content for this element.
+
+        Args:
+            use_js: Whether to use javascript if the element isn't content-editable.
+        """
+        self._check_vanished()
+        if self._elem.is_content_editable() or not use_js:
+            return self._elem.toPlainText()
+        else:
+            return self._elem.evaluateJavaScript('this.value')
+
     def set_text(self, text, *, use_js=False):
         """Set the given plain text.
 
@@ -332,6 +344,13 @@ class WebElementWrapper(collections.abc.MutableMapping):
         self._check_vanished()
         return self._elem.tagName()
 
+    def run_js_async(self, code, callback=None):
+        """Run the given JS snippet async on the element."""
+        self._check_vanished()
+        result = self._elem.evaluateJavaScript(code)
+        if callback is not None:
+            callback(result)
+
     def rect_on_view(self, *, elem_geometry=None, adjust_zoom=True, no_js=False):
         """Get the geometry of the element relative to the webview.