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, 2008, 2009 Apple Inc. All rights reserved.
6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com)
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.
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.
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.
26 #include "core/html/HTMLFormElement.h"
29 #include "HTMLNames.h"
30 #include "bindings/v8/Dictionary.h"
31 #include "bindings/v8/ScriptController.h"
32 #include "bindings/v8/ScriptEventListener.h"
33 #include "core/dom/Attribute.h"
34 #include "core/dom/Document.h"
35 #include "core/dom/ElementTraversal.h"
36 #include "core/dom/IdTargetObserverRegistry.h"
37 #include "core/events/AutocompleteErrorEvent.h"
38 #include "core/events/Event.h"
39 #include "core/events/GenericEventQueue.h"
40 #include "core/events/ScopedEventQueue.h"
41 #include "core/html/HTMLCollection.h"
42 #include "core/html/HTMLDialogElement.h"
43 #include "core/html/HTMLImageElement.h"
44 #include "core/html/HTMLInputElement.h"
45 #include "core/html/HTMLObjectElement.h"
46 #include "core/html/RadioNodeList.h"
47 #include "core/html/forms/FormController.h"
48 #include "core/loader/FrameLoader.h"
49 #include "core/loader/FrameLoaderClient.h"
50 #include "core/frame/DOMWindow.h"
51 #include "core/frame/LocalFrame.h"
52 #include "core/frame/UseCounter.h"
53 #include "core/frame/csp/ContentSecurityPolicy.h"
54 #include "core/rendering/RenderTextControl.h"
55 #include "platform/UserGestureIndicator.h"
61 using namespace HTMLNames;
63 HTMLFormElement::HTMLFormElement(Document& document)
64 : HTMLElement(formTag, document)
65 , m_weakPtrFactory(this)
66 , m_associatedElementsAreDirty(false)
67 , m_imageElementsAreDirty(false)
68 , m_hasElementsAssociatedByParser(false)
69 , m_didFinishParsingChildren(false)
70 , m_wasUserSubmitted(false)
71 , m_isInResetFunction(false)
73 , m_pendingAutocompleteEventsQueue(GenericEventQueue::create(this))
75 ScriptWrappable::init(this);
78 PassRefPtrWillBeRawPtr<HTMLFormElement> HTMLFormElement::create(Document& document)
80 UseCounter::count(document, UseCounter::FormElement);
81 return adoptRefWillBeRefCountedGarbageCollected(new HTMLFormElement(document));
84 HTMLFormElement::~HTMLFormElement()
87 // With Oilpan, either removedFrom is called or the document and
88 // form controller are dead as well and there is no need to remove
89 // this form element from it.
90 document().formController().willDeleteForm(this);
94 void HTMLFormElement::trace(Visitor* visitor)
97 visitor->trace(m_pastNamesMap);
98 visitor->trace(m_associatedElements);
100 HTMLElement::trace(visitor);
103 bool HTMLFormElement::rendererIsNeeded(const RenderStyle& style)
106 return HTMLElement::rendererIsNeeded(style);
108 ContainerNode* node = parentNode();
109 if (!node || !node->renderer())
110 return HTMLElement::rendererIsNeeded(style);
111 RenderObject* parentRenderer = node->renderer();
112 // FIXME: Shouldn't we also check for table caption (see |formIsTablePart| below).
113 // FIXME: This check is not correct for Shadow DOM.
114 bool parentIsTableElementPart = (parentRenderer->isTable() && isHTMLTableElement(*node))
115 || (parentRenderer->isTableRow() && isHTMLTableRowElement(*node))
116 || (parentRenderer->isTableSection() && node->hasTagName(tbodyTag))
117 || (parentRenderer->isRenderTableCol() && node->hasTagName(colTag))
118 || (parentRenderer->isTableCell() && isHTMLTableRowElement(*node));
120 if (!parentIsTableElementPart)
123 EDisplay display = style.display();
124 bool formIsTablePart = display == TABLE || display == INLINE_TABLE || display == TABLE_ROW_GROUP
125 || display == TABLE_HEADER_GROUP || display == TABLE_FOOTER_GROUP || display == TABLE_ROW
126 || display == TABLE_COLUMN_GROUP || display == TABLE_COLUMN || display == TABLE_CELL
127 || display == TABLE_CAPTION;
129 return formIsTablePart;
132 Node::InsertionNotificationRequest HTMLFormElement::insertedInto(ContainerNode* insertionPoint)
134 HTMLElement::insertedInto(insertionPoint);
135 if (insertionPoint->inDocument())
136 this->document().didAssociateFormControl(this);
137 return InsertionDone;
141 void notifyFormRemovedFromTree(const T& elements, Node& root)
143 size_t size = elements.size();
144 for (size_t i = 0; i < size; ++i)
145 elements[i]->formRemovedFromTree(root);
146 ASSERT(elements.size() == size);
149 void HTMLFormElement::removedFrom(ContainerNode* insertionPoint)
151 // We don't need to take care of form association by 'form' content
152 // attribute becuse IdTargetObserver handles it.
153 if (m_hasElementsAssociatedByParser) {
154 Node& root = highestAncestorOrSelf();
155 if (!m_associatedElementsAreDirty) {
156 FormAssociatedElement::List elements(associatedElements());
157 notifyFormRemovedFromTree(elements, root);
159 FormAssociatedElement::List elements;
160 collectAssociatedElements(insertionPoint->highestAncestorOrSelf(), elements);
161 notifyFormRemovedFromTree(elements, root);
162 collectAssociatedElements(root, elements);
163 notifyFormRemovedFromTree(elements, root);
166 if (!m_imageElementsAreDirty) {
167 Vector<HTMLImageElement*> images(imageElements());
168 notifyFormRemovedFromTree(images, root);
170 Vector<HTMLImageElement*> images;
171 collectImageElements(insertionPoint->highestAncestorOrSelf(), images);
172 notifyFormRemovedFromTree(images, root);
173 collectImageElements(root, images);
174 notifyFormRemovedFromTree(images, root);
178 document().formController().willDeleteForm(this);
180 HTMLElement::removedFrom(insertionPoint);
183 void HTMLFormElement::handleLocalEvents(Event* event)
185 Node* targetNode = event->target()->toNode();
186 if (event->eventPhase() != Event::CAPTURING_PHASE && targetNode && targetNode != this && (event->type() == EventTypeNames::submit || event->type() == EventTypeNames::reset)) {
187 event->stopPropagation();
190 HTMLElement::handleLocalEvents(event);
193 unsigned HTMLFormElement::length() const
195 const FormAssociatedElement::List& elements = associatedElements();
197 for (unsigned i = 0; i < elements.size(); ++i) {
198 if (elements[i]->isEnumeratable())
204 Element* HTMLFormElement::item(unsigned index)
206 return elements()->item(index);
209 void HTMLFormElement::submitImplicitly(Event* event, bool fromImplicitSubmissionTrigger)
211 int submissionTriggerCount = 0;
212 bool seenDefaultButton = false;
213 const FormAssociatedElement::List& elements = associatedElements();
214 for (unsigned i = 0; i < elements.size(); ++i) {
215 FormAssociatedElement* formAssociatedElement = elements[i];
216 if (!formAssociatedElement->isFormControlElement())
218 HTMLFormControlElement* control = toHTMLFormControlElement(formAssociatedElement);
219 if (!seenDefaultButton && control->canBeSuccessfulSubmitButton()) {
220 if (fromImplicitSubmissionTrigger)
221 seenDefaultButton = true;
222 if (control->isSuccessfulSubmitButton()) {
223 control->dispatchSimulatedClick(event);
225 } else if (fromImplicitSubmissionTrigger) {
226 // Default (submit) button is not activated; no implicit submission.
229 } else if (control->canTriggerImplicitSubmission()) {
230 ++submissionTriggerCount;
233 if (fromImplicitSubmissionTrigger && submissionTriggerCount == 1)
234 prepareForSubmission(event);
237 // FIXME: Consolidate this and similar code in FormSubmission.cpp.
238 static inline HTMLFormControlElement* submitElementFromEvent(const Event* event)
240 for (Node* node = event->target()->toNode(); node; node = node->parentOrShadowHostNode()) {
241 if (node->isElementNode() && toElement(node)->isFormControlElement())
242 return toHTMLFormControlElement(node);
247 bool HTMLFormElement::validateInteractively(Event* event)
250 if (!document().page() || noValidate())
253 HTMLFormControlElement* submitElement = submitElementFromEvent(event);
254 if (submitElement && submitElement->formNoValidate())
257 const FormAssociatedElement::List& elements = associatedElements();
258 for (unsigned i = 0; i < elements.size(); ++i) {
259 if (elements[i]->isFormControlElement())
260 toHTMLFormControlElement(elements[i])->hideVisibleValidationMessage();
263 WillBeHeapVector<RefPtrWillBeMember<FormAssociatedElement> > unhandledInvalidControls;
264 if (!checkInvalidControlsAndCollectUnhandled(&unhandledInvalidControls))
266 // Because the form has invalid controls, we abort the form submission and
267 // show a validation message on a focusable form control.
269 // Needs to update layout now because we'd like to call isFocusable(), which
270 // has !renderer()->needsLayout() assertion.
271 document().updateLayoutIgnorePendingStylesheets();
273 RefPtrWillBeRawPtr<HTMLFormElement> protector(this);
274 // Focus on the first focusable control and show a validation message.
275 for (unsigned i = 0; i < unhandledInvalidControls.size(); ++i) {
276 FormAssociatedElement* unhandledAssociatedElement = unhandledInvalidControls[i].get();
277 HTMLElement* unhandled = toHTMLElement(unhandledAssociatedElement);
278 if (unhandled->isFocusable() && unhandled->inDocument()) {
279 unhandled->scrollIntoViewIfNeeded(false);
281 if (unhandled->isFormControlElement())
282 toHTMLFormControlElement(unhandled)->updateVisibleValidationMessage();
286 // Warn about all of unfocusable controls.
287 if (document().frame()) {
288 for (unsigned i = 0; i < unhandledInvalidControls.size(); ++i) {
289 FormAssociatedElement* unhandledAssociatedElement = unhandledInvalidControls[i].get();
290 HTMLElement* unhandled = toHTMLElement(unhandledAssociatedElement);
291 if (unhandled->isFocusable() && unhandled->inDocument())
293 String message("An invalid form control with name='%name' is not focusable.");
294 message.replace("%name", unhandledAssociatedElement->name());
295 document().addConsoleMessage(RenderingMessageSource, ErrorMessageLevel, message);
301 void HTMLFormElement::prepareForSubmission(Event* event)
303 RefPtrWillBeRawPtr<HTMLFormElement> protector(this);
304 LocalFrame* frame = document().frame();
308 // Interactive validation must be done before dispatching the submit event.
309 if (!validateInteractively(event))
312 frame->loader().client()->dispatchWillSendSubmitEvent(this);
314 if (dispatchEvent(Event::createCancelableBubble(EventTypeNames::submit)))
315 submit(event, true, true, NotSubmittedByJavaScript);
318 void HTMLFormElement::submit()
320 submit(0, false, true, NotSubmittedByJavaScript);
323 void HTMLFormElement::submitFromJavaScript()
325 submit(0, false, UserGestureIndicator::processingUserGesture(), SubmittedByJavaScript);
328 void HTMLFormElement::submitDialog(PassRefPtr<FormSubmission> formSubmission)
330 for (Node* node = this; node; node = node->parentOrShadowHostNode()) {
331 if (isHTMLDialogElement(*node)) {
332 toHTMLDialogElement(*node).closeDialog(formSubmission->result());
338 void HTMLFormElement::submit(Event* event, bool activateSubmitButton, bool processingUserGesture, FormSubmissionTrigger formSubmissionTrigger)
340 FrameView* view = document().view();
341 LocalFrame* frame = document().frame();
342 if (!view || !frame || !frame->page())
345 m_wasUserSubmitted = processingUserGesture;
347 RefPtrWillBeRawPtr<HTMLFormControlElement> firstSuccessfulSubmitButton = nullptr;
348 bool needButtonActivation = activateSubmitButton; // do we need to activate a submit button?
350 const FormAssociatedElement::List& elements = associatedElements();
351 for (unsigned i = 0; i < elements.size(); ++i) {
352 FormAssociatedElement* associatedElement = elements[i];
353 if (!associatedElement->isFormControlElement())
355 if (needButtonActivation) {
356 HTMLFormControlElement* control = toHTMLFormControlElement(associatedElement);
357 if (control->isActivatedSubmit())
358 needButtonActivation = false;
359 else if (firstSuccessfulSubmitButton == 0 && control->isSuccessfulSubmitButton())
360 firstSuccessfulSubmitButton = control;
364 if (needButtonActivation && firstSuccessfulSubmitButton)
365 firstSuccessfulSubmitButton->setActivatedSubmit(true);
367 RefPtr<FormSubmission> formSubmission = FormSubmission::create(this, m_attributes, event, formSubmissionTrigger);
368 EventQueueScope scopeForDialogClose; // Delay dispatching 'close' to dialog until done submitting.
369 if (formSubmission->method() == FormSubmission::DialogMethod)
370 submitDialog(formSubmission.release());
372 scheduleFormSubmission(formSubmission.release());
374 if (needButtonActivation && firstSuccessfulSubmitButton)
375 firstSuccessfulSubmitButton->setActivatedSubmit(false);
378 void HTMLFormElement::scheduleFormSubmission(PassRefPtr<FormSubmission> submission)
380 ASSERT(submission->method() == FormSubmission::PostMethod || submission->method() == FormSubmission::GetMethod);
381 ASSERT(submission->data());
382 ASSERT(submission->state());
383 if (submission->action().isEmpty())
385 if (document().isSandboxed(SandboxForms)) {
386 // FIXME: This message should be moved off the console once a solution to https://bugs.webkit.org/show_bug.cgi?id=103274 exists.
387 document().addConsoleMessage(SecurityMessageSource, ErrorMessageLevel, "Blocked form submission to '" + submission->action().elidedString() + "' because the form's frame is sandboxed and the 'allow-forms' permission is not set.");
391 if (protocolIsJavaScript(submission->action())) {
392 if (!document().contentSecurityPolicy()->allowFormAction(KURL(submission->action())))
394 document().frame()->script().executeScriptIfJavaScriptURL(submission->action());
398 LocalFrame* targetFrame = document().frame()->loader().findFrameForNavigation(submission->target(), submission->state()->sourceDocument());
400 if (!DOMWindow::allowPopUp(*document().frame()) && !UserGestureIndicator::processingUserGesture())
402 targetFrame = document().frame();
404 submission->clearTarget();
406 if (!targetFrame->page())
409 submission->setReferrer(Referrer(document().outgoingReferrer(), document().referrerPolicy()));
410 submission->setOrigin(document().outgoingOrigin());
412 targetFrame->navigationScheduler().scheduleFormSubmission(submission);
415 void HTMLFormElement::reset()
417 LocalFrame* frame = document().frame();
418 if (m_isInResetFunction || !frame)
421 m_isInResetFunction = true;
423 if (!dispatchEvent(Event::createCancelableBubble(EventTypeNames::reset))) {
424 m_isInResetFunction = false;
428 const FormAssociatedElement::List& elements = associatedElements();
429 for (unsigned i = 0; i < elements.size(); ++i) {
430 if (elements[i]->isFormControlElement())
431 toHTMLFormControlElement(elements[i])->reset();
434 m_isInResetFunction = false;
437 void HTMLFormElement::requestAutocomplete(const Dictionary& details)
441 if (!document().frame())
442 errorMessage = "requestAutocomplete: form is not owned by a displayed document.";
443 else if (!shouldAutocomplete())
444 errorMessage = "requestAutocomplete: form autocomplete attribute is set to off.";
445 else if (!UserGestureIndicator::processingUserGesture())
446 errorMessage = "requestAutocomplete: must be called in response to a user gesture.";
448 if (!errorMessage.isEmpty()) {
449 document().addConsoleMessage(RenderingMessageSource, LogMessageLevel, errorMessage);
450 finishRequestAutocomplete(AutocompleteResultErrorDisabled);
452 document().frame()->loader().client()->didRequestAutocomplete(this, details);
456 void HTMLFormElement::finishRequestAutocomplete(AutocompleteResult result)
458 RefPtrWillBeRawPtr<Event> event = nullptr;
459 if (result == AutocompleteResultSuccess)
460 event = Event::createBubble(EventTypeNames::autocomplete);
461 else if (result == AutocompleteResultErrorDisabled)
462 event = AutocompleteErrorEvent::create("disabled");
463 else if (result == AutocompleteResultErrorCancel)
464 event = AutocompleteErrorEvent::create("cancel");
465 else if (result == AutocompleteResultErrorInvalid)
466 event = AutocompleteErrorEvent::create("invalid");
468 ASSERT_NOT_REACHED();
470 event->setTarget(this);
471 m_pendingAutocompleteEventsQueue->enqueueEvent(event.release());
474 void HTMLFormElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
476 if (name == actionAttr)
477 m_attributes.parseAction(value);
478 else if (name == targetAttr)
479 m_attributes.setTarget(value);
480 else if (name == methodAttr)
481 m_attributes.updateMethodType(value);
482 else if (name == enctypeAttr)
483 m_attributes.updateEncodingType(value);
484 else if (name == accept_charsetAttr)
485 m_attributes.setAcceptCharset(value);
486 else if (name == onautocompleteAttr)
487 setAttributeEventListener(EventTypeNames::autocomplete, createAttributeEventListener(this, name, value));
488 else if (name == onautocompleteerrorAttr)
489 setAttributeEventListener(EventTypeNames::autocompleteerror, createAttributeEventListener(this, name, value));
491 HTMLElement::parseAttribute(name, value);
494 void HTMLFormElement::associate(FormAssociatedElement& e)
496 m_associatedElementsAreDirty = true;
497 m_associatedElements.clear();
500 void HTMLFormElement::disassociate(FormAssociatedElement& e)
502 m_associatedElementsAreDirty = true;
503 m_associatedElements.clear();
504 removeFromPastNamesMap(toHTMLElement(e));
507 bool HTMLFormElement::isURLAttribute(const Attribute& attribute) const
509 return attribute.name() == actionAttr || HTMLElement::isURLAttribute(attribute);
512 bool HTMLFormElement::hasLegalLinkAttribute(const QualifiedName& name) const
514 return name == actionAttr || HTMLElement::hasLegalLinkAttribute(name);
517 void HTMLFormElement::associate(HTMLImageElement& e)
519 m_imageElementsAreDirty = true;
520 m_imageElements.clear();
523 void HTMLFormElement::disassociate(HTMLImageElement& e)
525 m_imageElementsAreDirty = true;
526 m_imageElements.clear();
527 removeFromPastNamesMap(e);
530 WeakPtr<HTMLFormElement> HTMLFormElement::createWeakPtr()
532 return m_weakPtrFactory.createWeakPtr();
535 void HTMLFormElement::didAssociateByParser()
537 if (!m_didFinishParsingChildren)
539 m_hasElementsAssociatedByParser = true;
540 UseCounter::count(document(), UseCounter::FormAssociationByParser);
543 PassRefPtr<HTMLCollection> HTMLFormElement::elements()
545 return ensureCachedHTMLCollection(FormControls);
548 void HTMLFormElement::collectAssociatedElements(Node& root, FormAssociatedElement::List& elements) const
551 for (HTMLElement* element = Traversal<HTMLElement>::firstWithin(root); element; element = Traversal<HTMLElement>::next(*element)) {
552 FormAssociatedElement* associatedElement = 0;
553 if (element->isFormControlElement())
554 associatedElement = toHTMLFormControlElement(element);
555 else if (isHTMLObjectElement(*element))
556 associatedElement = toHTMLObjectElement(element);
559 if (associatedElement->form()== this)
560 elements.append(associatedElement);
564 // This function should be const conceptually. However we update some fields
565 // because of lazy evaluation.
566 const FormAssociatedElement::List& HTMLFormElement::associatedElements() const
568 if (!m_associatedElementsAreDirty)
569 return m_associatedElements;
570 HTMLFormElement* mutableThis = const_cast<HTMLFormElement*>(this);
571 Node* scope = mutableThis;
572 if (m_hasElementsAssociatedByParser)
573 scope = &highestAncestorOrSelf();
574 if (inDocument() && treeScope().idTargetObserverRegistry().hasObservers(fastGetAttribute(idAttr)))
575 scope = &treeScope().rootNode();
577 collectAssociatedElements(*scope, mutableThis->m_associatedElements);
578 mutableThis->m_associatedElementsAreDirty = false;
579 return m_associatedElements;
582 void HTMLFormElement::collectImageElements(Node& root, Vector<HTMLImageElement*>& elements)
585 for (HTMLImageElement* image = Traversal<HTMLImageElement>::firstWithin(root); image; image = Traversal<HTMLImageElement>::next(*image)) {
586 if (image->formOwner() == this)
587 elements.append(image);
591 const Vector<HTMLImageElement*>& HTMLFormElement::imageElements()
593 if (!m_imageElementsAreDirty)
594 return m_imageElements;
595 collectImageElements(m_hasElementsAssociatedByParser ? highestAncestorOrSelf() : *this, m_imageElements);
596 m_imageElementsAreDirty = false;
597 return m_imageElements;
600 String HTMLFormElement::name() const
602 return getNameAttribute();
605 bool HTMLFormElement::noValidate() const
607 return fastHasAttribute(novalidateAttr);
610 // FIXME: This function should be removed because it does not do the same thing as the
611 // JavaScript binding for action, which treats action as a URL attribute. Last time I
612 // (Darin Adler) removed this, someone added it back, so I am leaving it in for now.
613 const AtomicString& HTMLFormElement::action() const
615 return getAttribute(actionAttr);
618 void HTMLFormElement::setEnctype(const AtomicString& value)
620 setAttribute(enctypeAttr, value);
623 String HTMLFormElement::method() const
625 return FormSubmission::Attributes::methodString(m_attributes.method());
628 void HTMLFormElement::setMethod(const AtomicString& value)
630 setAttribute(methodAttr, value);
633 bool HTMLFormElement::wasUserSubmitted() const
635 return m_wasUserSubmitted;
638 HTMLFormControlElement* HTMLFormElement::defaultButton() const
640 const FormAssociatedElement::List& elements = associatedElements();
641 for (unsigned i = 0; i < elements.size(); ++i) {
642 if (!elements[i]->isFormControlElement())
644 HTMLFormControlElement* control = toHTMLFormControlElement(elements[i]);
645 if (control->isSuccessfulSubmitButton())
652 bool HTMLFormElement::checkValidity()
654 return !checkInvalidControlsAndCollectUnhandled(0);
657 bool HTMLFormElement::checkInvalidControlsAndCollectUnhandled(WillBeHeapVector<RefPtrWillBeMember<FormAssociatedElement> >* unhandledInvalidControls)
659 RefPtrWillBeRawPtr<HTMLFormElement> protector(this);
660 // Copy associatedElements because event handlers called from
661 // HTMLFormControlElement::checkValidity() might change associatedElements.
662 const FormAssociatedElement::List& associatedElements = this->associatedElements();
663 WillBeHeapVector<RefPtrWillBeMember<FormAssociatedElement> > elements;
664 elements.reserveCapacity(associatedElements.size());
665 for (unsigned i = 0; i < associatedElements.size(); ++i)
666 elements.append(associatedElements[i]);
667 bool hasInvalidControls = false;
668 for (unsigned i = 0; i < elements.size(); ++i) {
669 if (elements[i]->form() == this && elements[i]->isFormControlElement()) {
670 HTMLFormControlElement* control = toHTMLFormControlElement(elements[i].get());
671 if (!control->checkValidity(unhandledInvalidControls) && control->formOwner() == this)
672 hasInvalidControls = true;
675 return hasInvalidControls;
678 Element* HTMLFormElement::elementFromPastNamesMap(const AtomicString& pastName)
680 if (pastName.isEmpty() || !m_pastNamesMap)
682 Element* element = m_pastNamesMap->get(pastName);
686 ASSERT_WITH_SECURITY_IMPLICATION(toHTMLElement(element)->formOwner() == this);
687 if (isHTMLImageElement(*element)) {
688 ASSERT_WITH_SECURITY_IMPLICATION(imageElements().find(element) != kNotFound);
689 } else if (isHTMLObjectElement(*element)) {
690 ASSERT_WITH_SECURITY_IMPLICATION(associatedElements().find(toHTMLObjectElement(element)) != kNotFound);
692 ASSERT_WITH_SECURITY_IMPLICATION(associatedElements().find(toHTMLFormControlElement(element)) != kNotFound);
698 void HTMLFormElement::addToPastNamesMap(Element* element, const AtomicString& pastName)
700 if (pastName.isEmpty())
703 m_pastNamesMap = adoptPtrWillBeNoop(new PastNamesMap);
704 m_pastNamesMap->set(pastName, element);
707 void HTMLFormElement::removeFromPastNamesMap(HTMLElement& element)
711 PastNamesMap::iterator end = m_pastNamesMap->end();
712 for (PastNamesMap::iterator it = m_pastNamesMap->begin(); it != end; ++it) {
713 if (it->value.get() == &element) {
715 // Keep looping. Single element can have multiple names.
720 void HTMLFormElement::getNamedElements(const AtomicString& name, Vector<RefPtr<Element> >& namedItems)
722 // http://www.whatwg.org/specs/web-apps/current-work/multipage/forms.html#dom-form-nameditem
723 elements()->namedItems(name, namedItems);
725 Element* elementFromPast = elementFromPastNamesMap(name);
726 if (namedItems.size() && namedItems.first() != elementFromPast) {
727 addToPastNamesMap(namedItems.first().get(), name);
728 } else if (elementFromPast && namedItems.isEmpty()) {
729 namedItems.append(elementFromPast);
730 UseCounter::count(document(), UseCounter::FormNameAccessForPastNamesMap);
734 bool HTMLFormElement::shouldAutocomplete() const
736 return !equalIgnoringCase(fastGetAttribute(autocompleteAttr), "off");
739 void HTMLFormElement::finishParsingChildren()
741 HTMLElement::finishParsingChildren();
742 document().formController().restoreControlStateIn(*this);
743 m_didFinishParsingChildren = true;
746 void HTMLFormElement::copyNonAttributePropertiesFromElement(const Element& source)
748 m_wasDemoted = static_cast<const HTMLFormElement&>(source).m_wasDemoted;
749 HTMLElement::copyNonAttributePropertiesFromElement(source);
752 void HTMLFormElement::anonymousNamedGetter(const AtomicString& name, bool& returnValue0Enabled, RefPtr<RadioNodeList>& returnValue0, bool& returnValue1Enabled, RefPtr<Element>& returnValue1)
754 // Call getNamedElements twice, first time check if it has a value
755 // and let HTMLFormElement update its cache.
758 Vector<RefPtr<Element> > elements;
759 getNamedElements(name, elements);
760 if (elements.isEmpty())
764 // Second call may return different results from the first call,
765 // but if the first the size cannot be zero.
766 Vector<RefPtr<Element> > elements;
767 getNamedElements(name, elements);
768 ASSERT(!elements.isEmpty());
770 if (elements.size() == 1) {
771 returnValue1Enabled = true;
772 returnValue1 = elements.at(0);
776 bool onlyMatchImg = !elements.isEmpty() && isHTMLImageElement(*elements.first());
777 returnValue0Enabled = true;
778 returnValue0 = radioNodeList(name, onlyMatchImg);
781 void HTMLFormElement::setDemoted(bool demoted)
784 UseCounter::count(document(), UseCounter::DemotedFormElement);
785 m_wasDemoted = demoted;