New interface and function for form association

third_party/WebKit/Source/core/html/parser/HTMLConstructionSite.cpp

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 28 matching lines @@
 #include "core/dom/ScriptLoader.h"
 #include "core/dom/TemplateContentDocumentFragment.h"
 #include "core/dom/Text.h"
 #include "core/dom/ThrowOnDynamicMarkupInsertionCountIncrementer.h"
 #include "core/dom/custom/CEReactionsScope.h"
 #include "core/dom/custom/CustomElementDefinition.h"
 #include "core/dom/custom/CustomElementDescriptor.h"
 #include "core/dom/custom/CustomElementRegistry.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
+#include "core/html/FormAssociated.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLHtmlElement.h"
 #include "core/html/HTMLPlugInElement.h"
 #include "core/html/HTMLScriptElement.h"
 #include "core/html/HTMLTemplateElement.h"
 #include "core/html/parser/AtomicHTMLToken.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/parser/HTMLParserReentryPermit.h"
 #include "core/html/parser/HTMLStackItem.h"
 #include "core/html/parser/HTMLToken.h"
@@ skipping 805 matching lines @@
   const AtomicString& localName = token->name();
   const Attribute* isAttribute = token->getAttributeItem(HTMLNames::isAttr);
   const AtomicString& name = isAttribute ? isAttribute->value() : localName;
   CustomElementDescriptor descriptor(name, localName);
 
   // 4.-6.
   return registry->definitionFor(descriptor);
 }
 
 // "create an element for a token"
-// https://html.spec.whatwg.org/#create-an-element-for-the-token
+// https://html.spec.whatwg.org/multipage/syntax.html#create-an-element-for-the-token
 // TODO(dominicc): When form association is separate from creation, unify this
 // with foreign element creation. Add a namespace parameter and check for HTML
 // namespace to lookupCustomElementDefinition.
 HTMLElement* HTMLConstructionSite::createHTMLElement(AtomicHTMLToken* token) {
   // "1. Let document be intended parent's node document."
   Document& document = ownerDocumentForCurrentNode();
 
   // Only associate the element with the current form if we're creating the new
   // element in a document with a browsing context (rather than in <template>
   // contents).
@@ skipping 45 matching lines @@
 
     // "9. If will execute script is true, then ..." etc. The CEReactionsScope
     // and ThrowOnDynamicMarkupInsertionCountIncrementer destructors implement
     // steps 9.1-3.
   } else {
     // FIXME: This can't use HTMLConstructionSite::createElement because we have
     // to pass the current form element. We should rework form association to
     // occur after construction to allow better code sharing here.
     element = HTMLElementFactory::createHTMLElement(
         token->name(), document, form, getCreateElementFlags());
+    if (FormAssociated* formAssociatedElement =
+            element->toFormAssociatedOrNull()) {
+      formAssociatedElement->associateWith(form);
+    }
     // Definition for the created element does not exist here and it cannot be
     // custom or failed.
     DCHECK_NE(element->getCustomElementState(), CustomElementState::Custom);
     DCHECK_NE(element->getCustomElementState(), CustomElementState::Failed);
 
     // "8. Append each attribute in the given token to element."
     setAttributes(element, token, m_parserContentPolicy);
   }
 
   // TODO(dominicc): Implement steps 10-12 when customized built-in elements are
@@ skipping 117 matching lines @@
   ASSERT(task.parent);
   queueTask(task);
 }
 
 DEFINE_TRACE(HTMLConstructionSite::PendingText) {
   visitor->trace(parent);
   visitor->trace(nextChild);
 }
 
 }  // namespace blink