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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) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights
* reserved.
*
* 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 "third_party/blink/renderer/core/html/html_script_element.h"
#include "third_party/blink/renderer/bindings/core/v8/html_script_element_or_svg_script_element.h"
#include "third_party/blink/renderer/bindings/core/v8/script_event_listener.h"
#include "third_party/blink/renderer/core/dom/attribute.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/core/dom/text.h"
#include "third_party/blink/renderer/core/frame/csp/content_security_policy.h"
#include "third_party/blink/renderer/core/frame/use_counter.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/core/script/script_loader.h"
#include "third_party/blink/renderer/core/script/script_runner.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
namespace blink {
using namespace HTMLNames;
inline HTMLScriptElement::HTMLScriptElement(Document& document,
const CreateElementFlags flags)
: HTMLElement(scriptTag, document),
loader_(InitializeScriptLoader(flags.IsCreatedByParser(),
flags.WasAlreadyStarted())) {}
HTMLScriptElement* HTMLScriptElement::Create(Document& document,
const CreateElementFlags flags) {
return new HTMLScriptElement(document, flags);
}
bool HTMLScriptElement::IsURLAttribute(const Attribute& attribute) const {
return attribute.GetName() == srcAttr ||
HTMLElement::IsURLAttribute(attribute);
}
bool HTMLScriptElement::HasLegalLinkAttribute(const QualifiedName& name) const {
return name == srcAttr || HTMLElement::HasLegalLinkAttribute(name);
}
const QualifiedName& HTMLScriptElement::SubResourceAttributeName() const {
return srcAttr;
}
void HTMLScriptElement::ChildrenChanged(const ChildrenChange& change) {
HTMLElement::ChildrenChanged(change);
if (change.IsChildInsertion())
loader_->ChildrenChanged();
}
void HTMLScriptElement::DidMoveToNewDocument(Document& old_document) {
ScriptRunner::MovePendingScript(old_document, GetDocument(), loader_.Get());
HTMLElement::DidMoveToNewDocument(old_document);
}
void HTMLScriptElement::ParseAttribute(
const AttributeModificationParams& params) {
if (params.name == srcAttr) {
loader_->HandleSourceAttribute(params.new_value);
LogUpdateAttributeIfIsolatedWorldAndInDocument("script", params);
} else if (params.name == asyncAttr) {
loader_->HandleAsyncAttribute();
} else {
HTMLElement::ParseAttribute(params);
}
}
Node::InsertionNotificationRequest HTMLScriptElement::InsertedInto(
ContainerNode* insertion_point) {
ScriptType script_type = ScriptType::kClassic;
if (insertion_point->isConnected() && HasSourceAttribute() &&
!ScriptLoader::IsValidScriptTypeAndLanguage(
TypeAttributeValue(), LanguageAttributeValue(),
ScriptLoader::kDisallowLegacyTypeInTypeAttribute, script_type)) {
UseCounter::Count(GetDocument(),
WebFeature::kScriptElementWithInvalidTypeHasSrc);
}
HTMLElement::InsertedInto(insertion_point);
LogAddElementIfIsolatedWorldAndInDocument("script", srcAttr);
return kInsertionShouldCallDidNotifySubtreeInsertions;
}
void HTMLScriptElement::DidNotifySubtreeInsertionsToDocument() {
loader_->DidNotifySubtreeInsertionsToDocument();
}
void HTMLScriptElement::setText(const String& value) {
setTextContent(value);
}
void HTMLScriptElement::setAsync(bool async) {
SetBooleanAttribute(asyncAttr, async);
loader_->HandleAsyncAttribute();
}
bool HTMLScriptElement::async() const {
return FastHasAttribute(asyncAttr) || loader_->IsNonBlocking();
}
KURL HTMLScriptElement::Src() const {
return GetDocument().CompleteURL(SourceAttributeValue());
}
String HTMLScriptElement::SourceAttributeValue() const {
return getAttribute(srcAttr).GetString();
}
String HTMLScriptElement::CharsetAttributeValue() const {
return getAttribute(charsetAttr).GetString();
}
String HTMLScriptElement::TypeAttributeValue() const {
return getAttribute(typeAttr).GetString();
}
String HTMLScriptElement::LanguageAttributeValue() const {
return getAttribute(languageAttr).GetString();
}
bool HTMLScriptElement::NomoduleAttributeValue() const {
return FastHasAttribute(nomoduleAttr);
}
String HTMLScriptElement::ForAttributeValue() const {
return getAttribute(forAttr).GetString();
}
String HTMLScriptElement::EventAttributeValue() const {
return getAttribute(eventAttr).GetString();
}
String HTMLScriptElement::CrossOriginAttributeValue() const {
return getAttribute(crossoriginAttr);
}
String HTMLScriptElement::IntegrityAttributeValue() const {
return getAttribute(integrityAttr);
}
String HTMLScriptElement::TextFromChildren() {
return Element::TextFromChildren();
}
bool HTMLScriptElement::AsyncAttributeValue() const {
return FastHasAttribute(asyncAttr);
}
bool HTMLScriptElement::DeferAttributeValue() const {
return FastHasAttribute(deferAttr);
}
bool HTMLScriptElement::HasSourceAttribute() const {
return FastHasAttribute(srcAttr);
}
bool HTMLScriptElement::IsConnected() const {
return Node::isConnected();
}
bool HTMLScriptElement::HasChildren() const {
return Node::hasChildren();
}
const AtomicString& HTMLScriptElement::GetNonceForElement() const {
return ContentSecurityPolicy::IsNonceableElement(this) ? nonce()
: g_null_atom;
}
bool HTMLScriptElement::AllowInlineScriptForCSP(
const AtomicString& nonce,
const WTF::OrdinalNumber& context_line,
const String& script_content,
ContentSecurityPolicy::InlineType inline_type) {
return GetDocument().GetContentSecurityPolicy()->AllowInlineScript(
this, GetDocument().Url(), nonce, context_line, script_content,
inline_type);
}
Document& HTMLScriptElement::GetDocument() const {
return Node::GetDocument();
}
void HTMLScriptElement::DispatchLoadEvent() {
DispatchEvent(Event::Create(EventTypeNames::load));
}
void HTMLScriptElement::DispatchErrorEvent() {
DispatchEvent(Event::Create(EventTypeNames::error));
}
void HTMLScriptElement::SetScriptElementForBinding(
HTMLScriptElementOrSVGScriptElement& element) {
if (!IsInV1ShadowTree())
element.SetHTMLScriptElement(this);
}
Element* HTMLScriptElement::CloneWithoutAttributesAndChildren(
Document& factory) const {
CreateElementFlags flags =
CreateElementFlags::ByCloneNode().SetAlreadyStarted(
loader_->AlreadyStarted());
return factory.CreateElement(TagQName(), flags, IsValue());
}
void HTMLScriptElement::Trace(blink::Visitor* visitor) {
visitor->Trace(loader_);
HTMLElement::Trace(visitor);
ScriptElementBase::Trace(visitor);
}
} // namespace blink
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