diff options
Diffstat (limited to 'dom/svg/SVGScriptElement.cpp')
| -rw-r--r-- | dom/svg/SVGScriptElement.cpp | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/dom/svg/SVGScriptElement.cpp b/dom/svg/SVGScriptElement.cpp new file mode 100644 index 0000000000..22fb239980 --- /dev/null +++ b/dom/svg/SVGScriptElement.cpp @@ -0,0 +1,225 @@ +/* -*- 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 "mozilla/dom/SVGScriptElement.h" + +#include "mozilla/dom/FetchPriority.h" +#include "nsGkAtoms.h" +#include "nsNetUtil.h" +#include "nsContentUtils.h" +#include "mozilla/dom/SVGScriptElementBinding.h" +#include "nsIScriptError.h" + +NS_IMPL_NS_NEW_SVG_ELEMENT_CHECK_PARSER(Script) + +using JS::loader::ScriptKind; + +namespace mozilla::dom { + +JSObject* SVGScriptElement::WrapNode(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return SVGScriptElement_Binding::Wrap(aCx, this, aGivenProto); +} + +SVGElement::StringInfo SVGScriptElement::sStringInfo[2] = { + {nsGkAtoms::href, kNameSpaceID_None, false}, + {nsGkAtoms::href, kNameSpaceID_XLink, false}}; + +//---------------------------------------------------------------------- +// nsISupports methods + +NS_IMPL_ISUPPORTS_INHERITED(SVGScriptElement, SVGScriptElementBase, + nsIScriptLoaderObserver, nsIScriptElement, + nsIMutationObserver) + +//---------------------------------------------------------------------- +// Implementation + +SVGScriptElement::SVGScriptElement( + already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo, + FromParser aFromParser) + : SVGScriptElementBase(std::move(aNodeInfo)), ScriptElement(aFromParser) { + AddMutationObserver(this); +} + +//---------------------------------------------------------------------- +// nsINode methods + +nsresult SVGScriptElement::Clone(dom::NodeInfo* aNodeInfo, + nsINode** aResult) const { + *aResult = nullptr; + + SVGScriptElement* it = new (aNodeInfo->NodeInfoManager()) + SVGScriptElement(do_AddRef(aNodeInfo), NOT_FROM_PARSER); + + nsCOMPtr<nsINode> kungFuDeathGrip = it; + nsresult rv1 = it->Init(); + nsresult rv2 = const_cast<SVGScriptElement*>(this)->CopyInnerTo(it); + NS_ENSURE_SUCCESS(rv1, rv1); + NS_ENSURE_SUCCESS(rv2, rv2); + + // The clone should be marked evaluated if we are. + it->mAlreadyStarted = mAlreadyStarted; + it->mLineNumber = mLineNumber; + it->mMalformed = mMalformed; + + kungFuDeathGrip.swap(*aResult); + + return NS_OK; +} + +//---------------------------------------------------------------------- +void SVGScriptElement::GetType(nsAString& aType) { + GetAttr(nsGkAtoms::type, aType); +} + +void SVGScriptElement::SetType(const nsAString& aType, ErrorResult& rv) { + rv = SetAttr(kNameSpaceID_None, nsGkAtoms::type, aType, true); +} + +void SVGScriptElement::GetCrossOrigin(nsAString& aCrossOrigin) { + // Null for both missing and invalid defaults is ok, since we + // always parse to an enum value, so we don't need an invalid + // default, and we _want_ the missing default to be null. + GetEnumAttr(nsGkAtoms::crossorigin, nullptr, aCrossOrigin); +} + +void SVGScriptElement::SetCrossOrigin(const nsAString& aCrossOrigin, + ErrorResult& aError) { + SetOrRemoveNullableStringAttr(nsGkAtoms::crossorigin, aCrossOrigin, aError); +} + +already_AddRefed<DOMSVGAnimatedString> SVGScriptElement::Href() { + return mStringAttributes[HREF].IsExplicitlySet() + ? mStringAttributes[HREF].ToDOMAnimatedString(this) + : mStringAttributes[XLINK_HREF].ToDOMAnimatedString(this); +} + +//---------------------------------------------------------------------- +// nsIScriptElement methods + +void SVGScriptElement::GetScriptText(nsAString& text) const { + nsContentUtils::GetNodeTextContent(this, false, text); +} + +void SVGScriptElement::GetScriptCharset(nsAString& charset) { + charset.Truncate(); +} + +void SVGScriptElement::FreezeExecutionAttrs(const Document* aOwnerDoc) { + if (mFrozen) { + return; + } + + // Determine whether this is a(n) classic/module/importmap script. + DetermineKindFromType(aOwnerDoc); + + if (mStringAttributes[HREF].IsExplicitlySet() || + mStringAttributes[XLINK_HREF].IsExplicitlySet()) { + // variation of this code in nsHTMLScriptElement - check if changes + // need to be transferred when modifying + bool isHref = false; + nsAutoString src; + if (mStringAttributes[HREF].IsExplicitlySet()) { + mStringAttributes[HREF].GetAnimValue(src, this); + isHref = true; + } else { + mStringAttributes[XLINK_HREF].GetAnimValue(src, this); + } + + // Empty src should be treated as invalid URL. + if (!src.IsEmpty()) { + NS_NewURI(getter_AddRefs(mUri), src, nullptr, GetBaseURI()); + + if (!mUri) { + AutoTArray<nsString, 2> params = { + isHref ? u"href"_ns : u"xlink:href"_ns, src}; + + nsContentUtils::ReportToConsole( + nsIScriptError::warningFlag, "SVG"_ns, OwnerDoc(), + nsContentUtils::eDOM_PROPERTIES, "ScriptSourceInvalidUri", params, + nullptr, u""_ns, GetScriptLineNumber(), + GetScriptColumnNumber().oneOriginValue()); + } + } else { + AutoTArray<nsString, 1> params = {isHref ? u"href"_ns : u"xlink:href"_ns}; + + nsContentUtils::ReportToConsole( + nsIScriptError::warningFlag, "SVG"_ns, OwnerDoc(), + nsContentUtils::eDOM_PROPERTIES, "ScriptSourceEmpty", params, nullptr, + u""_ns, GetScriptLineNumber(), + GetScriptColumnNumber().oneOriginValue()); + } + + // At this point mUri will be null for invalid URLs. + mExternal = true; + } + + bool async = (mExternal || mKind == ScriptKind::eModule) && Async(); + bool defer = mExternal && Defer(); + + mDefer = !async && defer; + mAsync = async; + + mFrozen = true; +} + +//---------------------------------------------------------------------- +// ScriptElement methods + +bool SVGScriptElement::HasScriptContent() { + return (mFrozen ? mExternal + : mStringAttributes[HREF].IsExplicitlySet() || + mStringAttributes[XLINK_HREF].IsExplicitlySet()) || + nsContentUtils::HasNonEmptyTextContent(this); +} + +//---------------------------------------------------------------------- +// SVGElement methods + +SVGElement::StringAttributesInfo SVGScriptElement::GetStringInfo() { + return StringAttributesInfo(mStringAttributes, sStringInfo, + ArrayLength(sStringInfo)); +} + +//---------------------------------------------------------------------- +// nsIContent methods + +nsresult SVGScriptElement::BindToTree(BindContext& aContext, nsINode& aParent) { + nsresult rv = SVGScriptElementBase::BindToTree(aContext, aParent); + NS_ENSURE_SUCCESS(rv, rv); + + if (IsInComposedDoc()) { + MaybeProcessScript(); + } + + return NS_OK; +} + +bool SVGScriptElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute, + const nsAString& aValue, + nsIPrincipal* aMaybeScriptedPrincipal, + nsAttrValue& aResult) { + if (aNamespaceID == kNameSpaceID_None && + aAttribute == nsGkAtoms::crossorigin) { + ParseCORSValue(aValue, aResult); + return true; + } + + return SVGScriptElementBase::ParseAttribute(aNamespaceID, aAttribute, aValue, + aMaybeScriptedPrincipal, aResult); +} + +CORSMode SVGScriptElement::GetCORSMode() const { + return AttrValueToCORSMode(GetParsedAttr(nsGkAtoms::crossorigin)); +} + +FetchPriority SVGScriptElement::GetFetchPriority() const { + // <https://github.com/w3c/svgwg/issues/916>. + return FetchPriority::Auto; +} + +} // namespace mozilla::dom |