third_party/WebKit/Source/core/html/HTMLFormControlElementWithState.cpp

   1 /*
   2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   3  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
   4  *           (C) 2001 Dirk Mueller (mueller@kde.org)
   5  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
   6  *           (C) 2006 Alexey Proskuryakov (ap@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/ChromeClient.h"
  34
  35 namespace blink {
  36
  37 HTMLFormControlElementWithState::HTMLFormControlElementWithState(const QualifiedName& tagName, Document& doc, HTMLFormElement* f)
  38     : HTMLFormControlElement(tagName, doc, f)
  39 {
  40 }
  41
  42 HTMLFormControlElementWithState::~HTMLFormControlElementWithState()
  43 {
  44 }
  45
  46 Node::InsertionNotificationRequest HTMLFormControlElementWithState::insertedInto(ContainerNode* insertionPoint)
  47 {
  48     if (insertionPoint->inDocument() && !containingShadowRoot())
  49         document().formController().registerStatefulFormControl(*this);
  50     return HTMLFormControlElement::insertedInto(insertionPoint);
  51 }
  52
  53 void HTMLFormControlElementWithState::removedFrom(ContainerNode* insertionPoint)
  54 {
  55     if (insertionPoint->inDocument() && !containingShadowRoot() && !insertionPoint->containingShadowRoot())
  56         document().formController().unregisterStatefulFormControl(*this);
  57     HTMLFormControlElement::removedFrom(insertionPoint);
  58 }
  59
  60 bool HTMLFormControlElementWithState::shouldAutocomplete() const
  61 {
  62     if (!form())
  63         return true;
  64     return form()->shouldAutocomplete();
  65 }
  66
  67 void HTMLFormControlElementWithState::notifyFormStateChanged()
  68 {
  69     // This can be called during fragment parsing as a result of option
  70     // selection before the document is active (or even in a frame).
  71     if (!document().isActive())
  72         return;
  73     document().frame()->loader().client()->didUpdateCurrentHistoryItem();
  74 }
  75
  76 bool HTMLFormControlElementWithState::shouldSaveAndRestoreFormControlState() const
  77 {
  78     // We don't save/restore control state in a form with autocomplete=off.
  79     return inDocument() && shouldAutocomplete();
  80 }
  81
  82 FormControlState HTMLFormControlElementWithState::saveFormControlState() const
  83 {
  84     return FormControlState();
  85 }
  86
  87 void HTMLFormControlElementWithState::finishParsingChildren()
  88 {
  89     HTMLFormControlElement::finishParsingChildren();
  90     document().formController().restoreControlStateFor(*this);
  91 }
  92
  93 bool HTMLFormControlElementWithState::isFormControlElementWithState() const
  94 {
  95     return true;
  96 }
  97
  98 } // namespace blink