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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "mozilla/dom/Document.h"
#include "nsNetUtil.h"
#include "nsContentUtils.h"
#include "nsUnicharUtils.h" // for nsCaseInsensitiveStringComparator()
#include "nsIScriptContext.h"
#include "nsIScriptGlobalObject.h"
#include "nsServiceManagerUtils.h"
#include "nsError.h"
#include "nsTArray.h"
#include "nsDOMJSUtils.h"
#include "nsIScriptError.h"
#include "nsISupportsImpl.h"
#include "mozilla/dom/HTMLScriptElement.h"
#include "mozilla/dom/HTMLScriptElementBinding.h"
NS_IMPL_NS_NEW_HTML_ELEMENT_CHECK_PARSER(Script)
namespace mozilla {
namespace dom {
JSObject* HTMLScriptElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLScriptElement_Binding::Wrap(aCx, this, aGivenProto);
}
HTMLScriptElement::HTMLScriptElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
FromParser aFromParser)
: nsGenericHTMLElement(std::move(aNodeInfo)), ScriptElement(aFromParser) {
AddMutationObserver(this);
}
HTMLScriptElement::~HTMLScriptElement() = default;
NS_IMPL_ISUPPORTS_INHERITED(HTMLScriptElement, nsGenericHTMLElement,
nsIScriptLoaderObserver, nsIScriptElement,
nsIMutationObserver)
nsresult HTMLScriptElement::BindToTree(BindContext& aContext,
nsINode& aParent) {
nsresult rv = nsGenericHTMLElement::BindToTree(aContext, aParent);
NS_ENSURE_SUCCESS(rv, rv);
if (IsInComposedDoc()) {
MaybeProcessScript();
}
return NS_OK;
}
bool HTMLScriptElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) {
if (aNamespaceID == kNameSpaceID_None) {
if (aAttribute == nsGkAtoms::crossorigin) {
ParseCORSValue(aValue, aResult);
return true;
}
if (aAttribute == nsGkAtoms::integrity) {
aResult.ParseStringOrAtom(aValue);
return true;
}
}
return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
aMaybeScriptedPrincipal, aResult);
}
nsresult HTMLScriptElement::Clone(dom::NodeInfo* aNodeInfo,
nsINode** aResult) const {
*aResult = nullptr;
HTMLScriptElement* it = new (aNodeInfo->NodeInfoManager())
HTMLScriptElement(do_AddRef(aNodeInfo), NOT_FROM_PARSER);
nsCOMPtr<nsINode> kungFuDeathGrip = it;
nsresult rv = const_cast<HTMLScriptElement*>(this)->CopyInnerTo(it);
NS_ENSURE_SUCCESS(rv, rv);
// The clone should be marked evaluated if we are.
it->mAlreadyStarted = mAlreadyStarted;
it->mLineNumber = mLineNumber;
it->mMalformed = mMalformed;
kungFuDeathGrip.swap(*aResult);
return NS_OK;
}
nsresult HTMLScriptElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aMaybeScriptedPrincipal,
bool aNotify) {
if (nsGkAtoms::async == aName && kNameSpaceID_None == aNamespaceID) {
mForceAsync = false;
}
if (nsGkAtoms::src == aName && kNameSpaceID_None == aNamespaceID) {
mSrcTriggeringPrincipal = nsContentUtils::GetAttrTriggeringPrincipal(
this, aValue ? aValue->GetStringValue() : EmptyString(),
aMaybeScriptedPrincipal);
}
return nsGenericHTMLElement::AfterSetAttr(
aNamespaceID, aName, aValue, aOldValue, aMaybeScriptedPrincipal, aNotify);
}
void HTMLScriptElement::GetInnerHTML(nsAString& aInnerHTML,
OOMReporter& aError) {
if (!nsContentUtils::GetNodeTextContent(this, false, aInnerHTML, fallible)) {
aError.ReportOOM();
}
}
void HTMLScriptElement::SetInnerHTML(const nsAString& aInnerHTML,
nsIPrincipal* aScriptedPrincipal,
ErrorResult& aError) {
aError = nsContentUtils::SetNodeTextContent(this, aInnerHTML, true);
}
void HTMLScriptElement::GetText(nsAString& aValue, ErrorResult& aRv) {
if (!nsContentUtils::GetNodeTextContent(this, false, aValue, fallible)) {
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
}
}
void HTMLScriptElement::SetText(const nsAString& aValue, ErrorResult& aRv) {
aRv = nsContentUtils::SetNodeTextContent(this, aValue, true);
}
// variation of this code in SVGScriptElement - check if changes
// need to be transfered when modifying
bool HTMLScriptElement::GetScriptType(nsAString& aType) {
nsAutoString type;
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::type, type)) {
return false;
}
// U+0009 TAB, U+000A LF, U+000C FF, U+000D CR, or U+0020 SPACE.
static const char kASCIIWhitespace[] = "\t\n\f\r ";
type.Trim(kASCIIWhitespace);
aType.Assign(type);
return true;
}
void HTMLScriptElement::GetScriptText(nsAString& text) {
GetText(text, IgnoreErrors());
}
void HTMLScriptElement::GetScriptCharset(nsAString& charset) {
GetCharset(charset);
}
void HTMLScriptElement::FreezeExecutionAttrs(Document* aOwnerDoc) {
if (mFrozen) {
return;
}
MOZ_ASSERT(!mIsModule && !mAsync && !mDefer && !mExternal);
// Determine whether this is a classic script or a module script.
nsAutoString type;
GetScriptType(type);
mIsModule = aOwnerDoc->ModuleScriptsEnabled() && !type.IsEmpty() &&
type.LowerCaseEqualsASCII("module");
// variation of this code in SVGScriptElement - check if changes
// need to be transfered when modifying. Note that we don't use GetSrc here
// because it will return the base URL when the attr value is "".
nsAutoString src;
if (GetAttr(kNameSpaceID_None, nsGkAtoms::src, src)) {
// Empty src should be treated as invalid URL.
if (!src.IsEmpty()) {
nsContentUtils::NewURIWithDocumentCharset(getter_AddRefs(mUri), src,
OwnerDoc(), GetBaseURI());
if (!mUri) {
AutoTArray<nsString, 2> params = {u"src"_ns, src};
nsContentUtils::ReportToConsole(
nsIScriptError::warningFlag, "HTML"_ns, OwnerDoc(),
nsContentUtils::eDOM_PROPERTIES, "ScriptSourceInvalidUri", params,
nullptr, EmptyString(), GetScriptLineNumber(),
GetScriptColumnNumber());
}
} else {
AutoTArray<nsString, 1> params = {u"src"_ns};
nsContentUtils::ReportToConsole(
nsIScriptError::warningFlag, "HTML"_ns, OwnerDoc(),
nsContentUtils::eDOM_PROPERTIES, "ScriptSourceEmpty", params, nullptr,
EmptyString(), GetScriptLineNumber(), GetScriptColumnNumber());
}
// At this point mUri will be null for invalid URLs.
mExternal = true;
}
bool async = (mExternal || mIsModule) && Async();
bool defer = mExternal && Defer();
mDefer = !async && defer;
mAsync = async;
mFrozen = true;
}
CORSMode HTMLScriptElement::GetCORSMode() const {
return AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin));
}
mozilla::dom::ReferrerPolicy HTMLScriptElement::GetReferrerPolicy() {
return GetReferrerPolicyAsEnum();
}
bool HTMLScriptElement::HasScriptContent() {
return (mFrozen ? mExternal : HasAttr(kNameSpaceID_None, nsGkAtoms::src)) ||
nsContentUtils::HasNonEmptyTextContent(this);
}
} // namespace dom
} // namespace mozilla