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-rw-r--r--WebCore/html/HTMLFormControlElement.cpp292
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diff --git a/WebCore/html/HTMLFormControlElement.cpp b/WebCore/html/HTMLFormControlElement.cpp
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--- a/WebCore/html/HTMLFormControlElement.cpp
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-/*
- * 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 "config.h"
-#include "HTMLFormControlElement.h"
-
-#include "Document.h"
-#include "EventHandler.h"
-#include "EventNames.h"
-#include "Frame.h"
-#include "HTMLFormElement.h"
-#include "HTMLInputElement.h"
-#include "HTMLNames.h"
-#include "HTMLParser.h"
-#include "HTMLTokenizer.h"
-#include "RenderTheme.h"
-#include "Tokenizer.h"
-
-namespace WebCore {
-
-using namespace HTMLNames;
-
-HTMLFormControlElement::HTMLFormControlElement(const QualifiedName& tagName, Document* doc, HTMLFormElement* f)
- : HTMLElement(tagName, doc)
- , m_form(f)
- , m_disabled(false)
- , m_readOnly(false)
- , m_valueMatchesRenderer(false)
-{
- if (!m_form)
- m_form = findFormAncestor();
- if (m_form)
- m_form->registerFormElement(this);
-}
-
-HTMLFormControlElement::~HTMLFormControlElement()
-{
- if (m_form)
- m_form->removeFormElement(this);
-}
-
-void HTMLFormControlElement::parseMappedAttribute(MappedAttribute *attr)
-{
- if (attr->name() == nameAttr) {
- // Do nothing.
- } else if (attr->name() == disabledAttr) {
- bool oldDisabled = m_disabled;
- m_disabled = !attr->isNull();
- if (oldDisabled != m_disabled) {
- setChanged();
- if (renderer() && renderer()->style()->hasAppearance())
- theme()->stateChanged(renderer(), EnabledState);
- }
- } else if (attr->name() == readonlyAttr) {
- bool oldReadOnly = m_readOnly;
- m_readOnly = !attr->isNull();
- if (oldReadOnly != m_readOnly) {
- setChanged();
- if (renderer() && renderer()->style()->hasAppearance())
- theme()->stateChanged(renderer(), ReadOnlyState);
- }
- } else
- HTMLElement::parseMappedAttribute(attr);
-}
-
-void HTMLFormControlElement::attach()
-{
- ASSERT(!attached());
-
- HTMLElement::attach();
-
- // The call to updateFromElement() needs to go after the call through
- // to the base class's attach() because that can sometimes do a close
- // on the renderer.
- if (renderer())
- renderer()->updateFromElement();
-
- // Focus the element if it should honour its autofocus attribute.
- // We have to determine if the element is a TextArea/Input/Button/Select,
- // if input type hidden ignore autofocus. So if disabled or readonly.
- if (autofocus() && renderer() && !document()->ignoreAutofocus() && !isReadOnlyControl() &&
- ((hasTagName(inputTag) && !isInputTypeHidden()) || hasTagName(selectTag) ||
- hasTagName(buttonTag) || hasTagName(textareaTag)))
- focus();
-}
-
-void HTMLFormControlElement::insertedIntoTree(bool deep)
-{
- if (!m_form) {
- // This handles the case of a new form element being created by
- // JavaScript and inserted inside a form. In the case of the parser
- // setting a form, we will already have a non-null value for m_form,
- // and so we don't need to do anything.
- m_form = findFormAncestor();
- if (m_form)
- m_form->registerFormElement(this);
- else
- document()->checkedRadioButtons().addButton(this);
- }
-
- HTMLElement::insertedIntoTree(deep);
-}
-
-static inline Node* findRoot(Node* n)
-{
- Node* root = n;
- for (; n; n = n->parentNode())
- root = n;
- return root;
-}
-
-void HTMLFormControlElement::removedFromTree(bool deep)
-{
- // If the form and element are both in the same tree, preserve the connection to the form.
- // Otherwise, null out our form and remove ourselves from the form's list of elements.
- HTMLParser* parser = 0;
- if (Tokenizer* tokenizer = document()->tokenizer())
- if (tokenizer->isHTMLTokenizer())
- parser = static_cast<HTMLTokenizer*>(tokenizer)->htmlParser();
-
- if (m_form && !(parser && parser->isHandlingResidualStyleAcrossBlocks()) && findRoot(this) != findRoot(m_form)) {
- m_form->removeFormElement(this);
- m_form = 0;
- }
-
- HTMLElement::removedFromTree(deep);
-}
-
-const AtomicString& HTMLFormControlElement::name() const
-{
- const AtomicString& n = getAttribute(nameAttr);
- return n.isNull() ? emptyAtom : n;
-}
-
-void HTMLFormControlElement::setName(const AtomicString &value)
-{
- setAttribute(nameAttr, value);
-}
-
-void HTMLFormControlElement::onChange()
-{
- dispatchEventForType(eventNames().changeEvent, true, false);
-}
-
-bool HTMLFormControlElement::disabled() const
-{
- return m_disabled;
-}
-
-void HTMLFormControlElement::setDisabled(bool b)
-{
- setAttribute(disabledAttr, b ? "" : 0);
-}
-
-void HTMLFormControlElement::setReadOnly(bool b)
-{
- setAttribute(readonlyAttr, b ? "" : 0);
-}
-
-bool HTMLFormControlElement::autofocus() const
-{
- return hasAttribute(autofocusAttr);
-}
-
-void HTMLFormControlElement::setAutofocus(bool b)
-{
- setAttribute(autofocusAttr, b ? "autofocus" : 0);
-}
-
-void HTMLFormControlElement::recalcStyle(StyleChange change)
-{
- HTMLElement::recalcStyle(change);
-
- if (renderer())
- renderer()->updateFromElement();
-}
-
-bool HTMLFormControlElement::isFocusable() const
-{
- if (disabled() || !renderer() ||
- (renderer()->style() && renderer()->style()->visibility() != VISIBLE) ||
- renderer()->width() == 0 || renderer()->height() == 0)
- return false;
- return true;
-}
-
-bool HTMLFormControlElement::isKeyboardFocusable(KeyboardEvent* event) const
-{
- if (isFocusable())
- if (document()->frame())
- return document()->frame()->eventHandler()->tabsToAllControls(event);
- return false;
-}
-
-bool HTMLFormControlElement::isMouseFocusable() const
-{
-#if PLATFORM(GTK)
- return HTMLElement::isMouseFocusable();
-#else
- return false;
-#endif
-}
-
-short HTMLFormControlElement::tabIndex() const
-{
- // Skip the supportsFocus check in HTMLElement.
- return Element::tabIndex();
-}
-
-bool HTMLFormControlElement::willValidate() const
-{
- // FIXME: Implementation shall be completed with these checks:
- // The control does not have a repetition template as an ancestor.
- // The control does not have a datalist element as an ancestor.
- // The control is not an output element.
- return form() && name().length() && !disabled() && !isReadOnlyControl();
-}
-
-bool HTMLFormControlElement::supportsFocus() const
-{
- return isFocusable() || (!disabled() && !document()->haveStylesheetsLoaded());
-}
-
-HTMLFormElement* HTMLFormControlElement::virtualForm() const
-{
- return m_form;
-}
-
-void HTMLFormControlElement::removeFromForm()
-{
- if (!m_form)
- return;
- m_form->removeFormElement(this);
- m_form = 0;
-}
-
-HTMLFormControlElementWithState::HTMLFormControlElementWithState(const QualifiedName& tagName, Document* doc, HTMLFormElement* f)
- : HTMLFormControlElement(tagName, doc, f)
-{
- doc->registerFormElementWithState(this);
-}
-
-HTMLFormControlElementWithState::~HTMLFormControlElementWithState()
-{
- document()->unregisterFormElementWithState(this);
-}
-
-void HTMLFormControlElementWithState::willMoveToNewOwnerDocument()
-{
- document()->unregisterFormElementWithState(this);
- HTMLFormControlElement::willMoveToNewOwnerDocument();
-}
-
-void HTMLFormControlElementWithState::didMoveToNewOwnerDocument()
-{
- document()->registerFormElementWithState(this);
- HTMLFormControlElement::didMoveToNewOwnerDocument();
-}
-
-void HTMLFormControlElementWithState::finishParsingChildren()
-{
- HTMLFormControlElement::finishParsingChildren();
- Document* doc = document();
- if (doc->hasStateForNewFormElements()) {
- String state;
- if (doc->takeStateForFormElement(name().impl(), type().impl(), state))
- restoreState(state);
- }
-}
-
-} // namespace Webcore
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