text: /*
   * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   *           (C) 1999 Antti Koivisto (koivisto@kde.org)
   *           (C) 2001 Dirk Mueller (mueller@kde.org)
   * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
   *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Library General Public
   * License as published by the Free Software Foundation; either
   * version 2 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Library General Public License for more details.
   *
   * You should have received a copy of the GNU Library General Public License
   * along with this library; see the file COPYING.LIB.  If not, write to
   * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   * Boston, MA 02110-1301, USA.
   *
   */
  
  #include "core/html/HTMLFormControlElementWithState.h"
  
  #include "core/frame/FrameHost.h"
  #include "core/frame/LocalFrame.h"
  #include "core/html/HTMLFormElement.h"
  #include "core/html/forms/FormController.h"
  #include "core/loader/FrameLoaderClient.h"
  #include "core/page/ChromeClient.h"
  
  namespace blink {
  
  HTMLFormControlElementWithState::HTMLFormControlElementWithState(
      const QualifiedName& tagName,
      Document& doc)
      : HTMLFormControlElement(tagName, doc) {}
  
  HTMLFormControlElementWithState::~HTMLFormControlElementWithState() {}
  
  Node::InsertionNotificationRequest
  HTMLFormControlElementWithState::insertedInto(ContainerNode* insertionPoint) {
    if (insertionPoint->isConnected() && !containingShadowRoot())
      document().formController().registerStatefulFormControl(*this);
    return HTMLFormControlElement::insertedInto(insertionPoint);
  }
  
  void HTMLFormControlElementWithState::removedFrom(
      ContainerNode* insertionPoint) {
    if (insertionPoint->isConnected() && !containingShadowRoot() &&
        !insertionPoint->containingShadowRoot())
      document().formController().unregisterStatefulFormControl(*this);
    HTMLFormControlElement::removedFrom(insertionPoint);
  }
  
  bool HTMLFormControlElementWithState::shouldAutocomplete() const {
    if (!form())
      return true;
    return form()->shouldAutocomplete();
  }
  
  void HTMLFormControlElementWithState::notifyFormStateChanged() {
    // This can be called during fragment parsing as a result of option
    // selection before the document is active (or even in a frame).
    if (!document().isActive())
      return;
    document().frame()->loader().client()->didUpdateCurrentHistoryItem();
  }
  
  bool HTMLFormControlElementWithState::shouldSaveAndRestoreFormControlState()
      const {
    // We don't save/restore control state in a form with autocomplete=off.
    return isConnected() && shouldAutocomplete();
  }
  
  FormControlState HTMLFormControlElementWithState::saveFormControlState() const {
    return FormControlState();
  }
  
  void HTMLFormControlElementWithState::finishParsingChildren() {
    HTMLFormControlElement::finishParsingChildren();
    document().formController().restoreControlStateFor(*this);
  }
  
  bool HTMLFormControlElementWithState::isFormControlElementWithState() const {
    return true;
  }
  
  }  // namespace blink
  