Devtools [LayoutEditor]: show selector info and highlight affected nodes

Source/web/InspectorOverlayImpl.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 266 matching lines @@
         handled = handleTouchEvent(touchEvent);
         if (handled)
             return true;
         overlayMainFrame()->eventHandler().handleTouchEvent(touchEvent);
     }
     if (WebInputEvent::isKeyboardEventType(inputEvent.type)) {
         PlatformKeyboardEvent keyboardEvent = PlatformKeyboardEventBuilder(static_cast<const WebKeyboardEvent&>(inputEvent));
         overlayMainFrame()->eventHandler().keyEvent(keyboardEvent);
     }
 
+    if (inputEvent.type == WebInputEvent::MouseWheel) {
+        PlatformWheelEvent wheelEvent = PlatformWheelEventBuilder(m_webViewImpl->mainFrameImpl()->frameView(), static_cast<const WebMouseWheelEvent&>(inputEvent));
+        handled = overlayMainFrame()->eventHandler().handleWheelEvent(wheelEvent);
+    }
+
     return handled;
 }
 
 void InspectorOverlayImpl::setPausedInDebuggerMessage(const String* message)
 {
     m_pausedInDebuggerMessage = message ? *message : String();
     update();
 }
 
 void InspectorOverlayImpl::hideHighlight()
@@ skipping 68 matching lines @@
 
 void InspectorOverlayImpl::rebuildOverlayPage()
 {
     FrameView* view = m_webViewImpl->mainFrameImpl()->frameView();
     if (!view)
         return;
 
     IntRect visibleRectInDocument = view->scrollableArea()->visibleContentRect();
     IntSize viewportSize = m_webViewImpl->page()->frameHost().visualViewport().size();
     toLocalFrame(overlayPage()->mainFrame())->view()->resize(viewportSize);
+    overlayPage()->frameHost().visualViewport().setSize(viewportSize);
     reset(viewportSize, visibleRectInDocument.location());
 
     drawNodeHighlight();
     drawQuadHighlight();
     drawPausedInDebuggerMessage();
     drawViewSize();
 }
 
 static PassRefPtr<JSONObject> buildObjectForSize(const IntSize& size)
 {
@@ skipping 187 matching lines @@
 void InspectorOverlayImpl::overlayPropertyChanged(float value)
 {
     m_layoutEditor->overlayPropertyChanged(value);
 }
 
 void InspectorOverlayImpl::overlayEndedPropertyChange()
 {
     m_layoutEditor->overlayEndedPropertyChange();
 }
 
+void InspectorOverlayImpl::overlayNextSelector()
+{
+    m_layoutEditor->nextSelector();
+}
+
+void InspectorOverlayImpl::overlayPreviousSelector()
+{
+    m_layoutEditor->previousSelector();
+}
+
+String InspectorOverlayImpl::overlayCurrentSelectorInfo()
+{
+    return m_layoutEditor->currentSelectorInfo();
+}
+
 void InspectorOverlayImpl::overlayClearSelection(bool commitChanges)
 {
     if (m_inspectMode != InspectorDOMAgent::ShowLayoutEditor)
         return;
 
     m_searchingInLayoutEditor = true;
     if (m_layoutEditor->node() && m_inspectModeHighlightConfig) {
         m_hoveredNodeForInspectMode = m_layoutEditor->node();
         highlightNode(m_layoutEditor->node(), *m_inspectModeHighlightConfig, false);
     }
@@ skipping 115 matching lines @@
 
     if (m_layoutEditor && m_inspectMode == InspectorDOMAgent::ShowLayoutEditor && m_searchingInLayoutEditor) {
         m_searchingInLayoutEditor = false;
         m_layoutEditor->selectNode(node);
         toChromeClientImpl(m_webViewImpl->page()->chromeClient()).setCursorOverridden(true);
         highlightNode(node, *m_inspectModeHighlightConfig, false);
     }
 }
 
 } // namespace blink