Revert of Adding support for Smart GO NEXT feature in Android Chrome

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
  */
 
 #include "config.h"
 #include "web/WebViewImpl.h"
 
 #include "core/CSSValueKeywords.h"
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
 #include "core/clipboard/DataObject.h"
 #include "core/dom/Document.h"
-#include "core/dom/ElementTraversal.h"
 #include "core/dom/Fullscreen.h"
 #include "core/dom/LayoutTreeBuilderTraversal.h"
 #include "core/dom/Text.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/InputMethodController.h"
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/markers/DocumentMarkerController.h"
 #include "core/editing/serializers/HTMLInterchange.h"
 #include "core/editing/serializers/Serialization.h"
 #include "core/events/KeyboardEvent.h"
 #include "core/events/UIEventWithKeyState.h"
 #include "core/events/WheelEvent.h"
 #include "core/fetch/UniqueIdentifier.h"
 #include "core/frame/EventHandlerRegistry.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/PageScaleConstraintsSet.h"
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/SmartClip.h"
 #include "core/frame/TopControls.h"
 #include "core/frame/VisualViewport.h"
-#include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/HTMLPlugInElement.h"
 #include "core/html/HTMLTextAreaElement.h"
 #include "core/input/EventHandler.h"
 #include "core/input/TouchActionUtil.h"
 #include "core/layout/LayoutPart.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/TextAutosizer.h"
 #include "core/layout/compositing/DeprecatedPaintLayerCompositor.h"
@@ skipping 2410 matching lines @@
                 flags |= WebTextInputFlagAutocapitalizeCharacters;
             else if (autocapitalize == words)
                 flags |= WebTextInputFlagAutocapitalizeWords;
             else if (autocapitalize == sentences)
                 flags |= WebTextInputFlagAutocapitalizeSentences;
             else
                 ASSERT_NOT_REACHED();
         }
     }
 
-    if (isListeningToKeyboardEvents(element))
-        flags |= WebTextInputFlagListeningToKeyboardEvents;
-
-    if (nextFocusableElementInForm(element, WebFocusTypeForward))
-        flags |= WebTextInputFlagHaveNextFocusableElement;
-
-    if (nextFocusableElementInForm(element, WebFocusTypeBackward))
-        flags |= WebTextInputFlagHavePreviousFocusableElement;
-
     return flags;
 }
 
-Element* WebViewImpl::nextFocusableElementInForm(Element* element, WebFocusType focusType)
-{
-    if (!element->isFormControlElement() && !element->isContentEditable())
-        return nullptr;
-
-    HTMLFormElement* formOwner = nullptr;
-    if (element->isContentEditable())
-        formOwner = Traversal<HTMLFormElement>::firstAncestor(*element);
-    else
-        formOwner = toHTMLFormControlElement(element)->formOwner();
-
-    if (!formOwner)
-        return nullptr;
-
-    Element* nextElement = element;
-    for (nextElement = page()->focusController().findFocusableElement(focusType, *nextElement); nextElement; nextElement = page()->focusController().findFocusableElement(focusType, *nextElement)) {
-        if (nextElement->isContentEditable() && nextElement->isDescendantOf(formOwner))
-            return nextElement;
-        if (!nextElement->isFormControlElement())
-            continue;
-        HTMLFormControlElement* formElement = toHTMLFormControlElement(nextElement);
-        if (formElement->formOwner() != formOwner)
-            continue;
-        // Skip disabled or readonly editable elements.
-        if (formElement->isDisabledOrReadOnly())
-            continue;
-        LayoutObject* layout = nextElement->layoutObject();
-        if (layout && layout->isTextControl()) {
-            // TODO(ajith.v) Extend it for Select element, Radio button and Check boxes
-            return nextElement;
-        }
-    }
-    return nullptr;
-}
-
-bool WebViewImpl::isListeningToKeyboardEvents(Element* element)
-{
-    if (!element->isFormControlElement() && !element->isContentEditable())
-        return false;
-    for (Node* node = element; node; node = node->parentNode()) {
-        if (node->hasEventListeners(EventTypeNames::keydown) || node->hasEventListeners(EventTypeNames::keypress) || node->hasEventListeners(EventTypeNames::keyup))
-            return true;
-    }
-    return false;
-}
-
-void WebViewImpl::advanceFocusInForm(WebFocusType focusType)
-{
-    Element* element = focusedElement();
-    if (!element)
-        return;
-
-    RefPtrWillBeRawPtr<Element> nextElement = nextFocusableElementInForm(element, focusType);
-    if (!nextElement)
-        return;
-
-    nextElement->scrollIntoViewIfNeeded(true /*centerIfNeeded*/);
-    nextElement->focus(false, focusType);
-}
-
 WebString WebViewImpl::inputModeOfFocusedElement()
 {
     if (!RuntimeEnabledFeatures::inputModeAttributeEnabled())
         return WebString();
 
     Element* element = focusedElement();
     if (!element)
         return WebString();
 
     if (isHTMLInputElement(*element)) {
@@ skipping 1899 matching lines @@
     if (m_pageColorOverlay)
         m_pageColorOverlay->update();
     if (m_inspectorOverlay) {
         PageOverlay* inspectorPageOverlay = m_inspectorOverlay->pageOverlay();
         if (inspectorPageOverlay)
             inspectorPageOverlay->update();
     }
 }
 
 } // namespace blink