Replace WebElement.frame() by .has_frame()

qutebrowser/browser/hints.py

@@ -117,7 +117,7 @@ class HintLabel(QLabel):
     @pyqtSlot()
     def _move_to_elem(self):
         """Reposition the label to its element."""
-        if self.elem.frame() is None:
+        if not self.elem.has_frame():
             # This sometimes happens for some reason...
             log.hints.debug("Frame for {!r} vanished!".format(self))
             self.hide()
@@ -329,10 +329,14 @@ class HintActions(QObject):
         else:
             prompt = None
 
+        # FIXME:qtwebengine get a proper API for this
+        # pylint: disable=protected-access
+        page = elem._elem.webFrame().page()
+        # pylint: enable=protected-access
+
         download_manager = objreg.get('download-manager', scope='window',
                                       window=self._win_id)
-        download_manager.get(url, page=elem.frame().page(),
-                             prompt_download_directory=prompt)
+        download_manager.get(url, page=page, prompt_download_directory=prompt)
 
     def call_userscript(self, elem, context):
         """Call a userscript from a hint.
@@ -897,7 +901,7 @@ class HintManager(QObject):
         }
         elem = self._context.labels[keystr].elem
 
-        if elem.frame() is None:
+        if not elem.has_frame():
             message.error(self._win_id,
                           "This element has no webframe.",
                           immediately=True)

qutebrowser/browser/webelem.py

@@ -103,9 +103,8 @@ class AbstractWebElement(collections.abc.MutableMapping):
             html = None
         return utils.get_repr(self, html=html)
 
-    def frame(self):
-        """Get the main frame of this element."""
-        # FIXME:qtwebengine get rid of this?
+    def has_frame(self):
+        """Check if this element has a valid frame attached."""
         raise NotImplementedError
 
     def geometry(self):

qutebrowser/browser/webengine/webengineelem.py

@@ -58,9 +58,8 @@ class WebEngineElement(webelem.AbstractWebElement):
     def __len__(self):
         return len(self._js_dict['attributes'])
 
-    def frame(self):
-        log.stub()
-        return None
+    def has_frame(self):
+        return True
 
     def geometry(self):
         log.stub()

qutebrowser/browser/webkit/webkitelem.py

@@ -83,9 +83,9 @@ class WebKitElement(webelem.AbstractWebElement):
         if self._elem.isNull():
             raise IsNullError('Element {} vanished!'.format(self._elem))
 
-    def frame(self):
+    def has_frame(self):
         self._check_vanished()
-        return self._elem.webFrame()
+        return self._elem.webFrame() is not None
 
     def geometry(self):
         self._check_vanished()

tests/unit/browser/webkit/test_webkitelem.py

@@ -255,7 +255,7 @@ class TestWebKitElement:
         lambda e: None in e,
         list,  # __iter__
         len,
-        lambda e: e.frame(),
+        lambda e: e.has_frame(),
         lambda e: e.geometry(),
         lambda e: e.style_property('visibility', strategy='computed'),
         lambda e: e.text(),
@@ -394,7 +394,6 @@ class TestWebKitElement:
         assert elem.debug_text() == expected
 
     @pytest.mark.parametrize('attribute, code', [
-        ('webFrame', lambda e: e.frame()),
         ('geometry', lambda e: e.geometry()),
         ('toOuterXml', lambda e: e.outer_xml()),
     ])
@@ -404,6 +403,12 @@ class TestWebKitElement:
         setattr(mock, 'return_value', sentinel)
         assert code(elem) is sentinel
 
+    @pytest.mark.parametrize('frame, expected', [
+        (object(), True), (None, False)])
+    def test_has_frame(self, elem, frame, expected):
+        elem._elem.webFrame.return_value = frame
+        assert elem.has_frame() == expected
+
     def test_tag_name(self, elem):
         elem._elem.tagName.return_value = 'SPAN'
         assert elem.tag_name() == 'span'