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      1 /*
      2  * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org)
      3  *           (C) 1999 Antti Koivisto (koivisto (at) kde.org)
      4  *           (C) 2001 Dirk Mueller (mueller (at) kde.org)
      5  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
      6  *           (C) 2006 Alexey Proskuryakov (ap (at) nypop.com)
      7  *
      8  * This library is free software; you can redistribute it and/or
      9  * modify it under the terms of the GNU Library General Public
     10  * License as published by the Free Software Foundation; either
     11  * version 2 of the License, or (at your option) any later version.
     12  *
     13  * This library is distributed in the hope that it will be useful,
     14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16  * Library General Public License for more details.
     17  *
     18  * You should have received a copy of the GNU Library General Public License
     19  * along with this library; see the file COPYING.LIB.  If not, write to
     20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21  * Boston, MA 02110-1301, USA.
     22  *
     23  */
     24 
     25 #include "config.h"
     26 #include "core/html/HTMLFormControlElementWithState.h"
     27 
     28 #include "core/frame/FrameHost.h"
     29 #include "core/frame/LocalFrame.h"
     30 #include "core/html/HTMLFormElement.h"
     31 #include "core/html/forms/FormController.h"
     32 #include "core/loader/FrameLoaderClient.h"
     33 #include "core/page/Chrome.h"
     34 #include "core/page/ChromeClient.h"
     35 
     36 namespace blink {
     37 
     38 HTMLFormControlElementWithState::HTMLFormControlElementWithState(const QualifiedName& tagName, Document& doc, HTMLFormElement* f)
     39     : HTMLFormControlElement(tagName, doc, f)
     40 {
     41 }
     42 
     43 HTMLFormControlElementWithState::~HTMLFormControlElementWithState()
     44 {
     45 }
     46 
     47 Node::InsertionNotificationRequest HTMLFormControlElementWithState::insertedInto(ContainerNode* insertionPoint)
     48 {
     49     if (insertionPoint->inDocument() && !containingShadowRoot())
     50         document().formController().registerStatefulFormControl(*this);
     51     return HTMLFormControlElement::insertedInto(insertionPoint);
     52 }
     53 
     54 void HTMLFormControlElementWithState::removedFrom(ContainerNode* insertionPoint)
     55 {
     56     if (insertionPoint->inDocument() && !containingShadowRoot() && !insertionPoint->containingShadowRoot())
     57         document().formController().unregisterStatefulFormControl(*this);
     58     HTMLFormControlElement::removedFrom(insertionPoint);
     59 }
     60 
     61 bool HTMLFormControlElementWithState::shouldAutocomplete() const
     62 {
     63     if (!form())
     64         return true;
     65     return form()->shouldAutocomplete();
     66 }
     67 
     68 void HTMLFormControlElementWithState::notifyFormStateChanged()
     69 {
     70     // This can be called during fragment parsing as a result of option
     71     // selection before the document is active (or even in a frame).
     72     if (!document().isActive())
     73         return;
     74     document().frame()->loader().client()->didUpdateCurrentHistoryItem();
     75 }
     76 
     77 bool HTMLFormControlElementWithState::shouldSaveAndRestoreFormControlState() const
     78 {
     79     // We don't save/restore control state in a form with autocomplete=off.
     80     return inDocument() && shouldAutocomplete();
     81 }
     82 
     83 FormControlState HTMLFormControlElementWithState::saveFormControlState() const
     84 {
     85     return FormControlState();
     86 }
     87 
     88 void HTMLFormControlElementWithState::finishParsingChildren()
     89 {
     90     HTMLFormControlElement::finishParsingChildren();
     91     document().formController().restoreControlStateFor(*this);
     92 }
     93 
     94 bool HTMLFormControlElementWithState::isFormControlElementWithState() const
     95 {
     96     return true;
     97 }
     98 
     99 } // namespace blink
    100