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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
#include "mozilla/dom/SVGAElement.h"
#include "mozilla/Attributes.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/dom/BindContext.h"
#include "mozilla/dom/DocumentInlines.h"
#include "mozilla/dom/SVGAElementBinding.h"
#include "nsCOMPtr.h"
#include "nsContentUtils.h"
#include "nsGkAtoms.h"
#include "nsIContentInlines.h"
#include "nsIURI.h"
NS_IMPL_NS_NEW_SVG_ELEMENT(A)
namespace mozilla::dom {
JSObject* SVGAElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return SVGAElement_Binding::Wrap(aCx, this, aGivenProto);
}
SVGElement::StringInfo SVGAElement::sStringInfo[3] = {
{nsGkAtoms::href, kNameSpaceID_None, true},
{nsGkAtoms::href, kNameSpaceID_XLink, true},
{nsGkAtoms::target, kNameSpaceID_None, true}};
//----------------------------------------------------------------------
// nsISupports methods
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(SVGAElement)
NS_INTERFACE_MAP_ENTRY(Link)
NS_INTERFACE_MAP_END_INHERITING(SVGAElementBase)
NS_IMPL_CYCLE_COLLECTION_INHERITED(SVGAElement, SVGAElementBase, mRelList)
NS_IMPL_ADDREF_INHERITED(SVGAElement, SVGAElementBase)
NS_IMPL_RELEASE_INHERITED(SVGAElement, SVGAElementBase)
//----------------------------------------------------------------------
// Implementation
SVGAElement::SVGAElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: SVGAElementBase(std::move(aNodeInfo)), Link(this) {}
already_AddRefed<DOMSVGAnimatedString> SVGAElement::Href() {
return mStringAttributes[HREF].IsExplicitlySet()
? mStringAttributes[HREF].ToDOMAnimatedString(this)
: mStringAttributes[XLINK_HREF].ToDOMAnimatedString(this);
}
//----------------------------------------------------------------------
// nsINode methods
void SVGAElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
Element::GetEventTargetParent(aVisitor);
GetEventTargetParentForLinks(aVisitor);
}
nsresult SVGAElement::PostHandleEvent(EventChainPostVisitor& aVisitor) {
return PostHandleEventForLinks(aVisitor);
}
NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGAElement)
//----------------------------------------------------------------------
already_AddRefed<DOMSVGAnimatedString> SVGAElement::Target() {
return mStringAttributes[TARGET].ToDOMAnimatedString(this);
}
void SVGAElement::GetDownload(nsAString& aDownload) {
GetAttr(nsGkAtoms::download, aDownload);
}
void SVGAElement::SetDownload(const nsAString& aDownload, ErrorResult& rv) {
SetAttr(nsGkAtoms::download, aDownload, rv);
}
void SVGAElement::GetPing(nsAString& aPing) { GetAttr(nsGkAtoms::ping, aPing); }
void SVGAElement::SetPing(const nsAString& aPing, ErrorResult& rv) {
SetAttr(nsGkAtoms::ping, aPing, rv);
}
void SVGAElement::GetRel(nsAString& aRel) { GetAttr(nsGkAtoms::rel, aRel); }
void SVGAElement::SetRel(const nsAString& aRel, ErrorResult& rv) {
SetAttr(nsGkAtoms::rel, aRel, rv);
}
void SVGAElement::GetReferrerPolicy(nsAString& aPolicy) {
GetEnumAttr(nsGkAtoms::referrerpolicy, "", aPolicy);
}
void SVGAElement::SetReferrerPolicy(const nsAString& aPolicy,
mozilla::ErrorResult& rv) {
SetAttr(nsGkAtoms::referrerpolicy, aPolicy, rv);
}
nsDOMTokenList* SVGAElement::RelList() {
if (!mRelList) {
mRelList =
new nsDOMTokenList(this, nsGkAtoms::rel, sAnchorAndFormRelValues);
}
return mRelList;
}
void SVGAElement::GetHreflang(nsAString& aHreflang) {
GetAttr(nsGkAtoms::hreflang, aHreflang);
}
void SVGAElement::SetHreflang(const nsAString& aHreflang,
mozilla::ErrorResult& rv) {
SetAttr(nsGkAtoms::hreflang, aHreflang, rv);
}
void SVGAElement::GetType(nsAString& aType) { GetAttr(nsGkAtoms::type, aType); }
void SVGAElement::SetType(const nsAString& aType, mozilla::ErrorResult& rv) {
SetAttr(nsGkAtoms::type, aType, rv);
}
void SVGAElement::GetText(nsAString& aText, mozilla::ErrorResult& rv) const {
if (NS_WARN_IF(
!nsContentUtils::GetNodeTextContent(this, true, aText, fallible))) {
rv.Throw(NS_ERROR_OUT_OF_MEMORY);
}
}
void SVGAElement::SetText(const nsAString& aText, mozilla::ErrorResult& rv) {
rv = nsContentUtils::SetNodeTextContent(this, aText, false);
}
//----------------------------------------------------------------------
// nsIContent methods
nsresult SVGAElement::BindToTree(BindContext& aContext, nsINode& aParent) {
nsresult rv = SVGAElementBase::BindToTree(aContext, aParent);
NS_ENSURE_SUCCESS(rv, rv);
Link::BindToTree(aContext);
return NS_OK;
}
void SVGAElement::UnbindFromTree(UnbindContext& aContext) {
SVGAElementBase::UnbindFromTree(aContext);
// Without removing the link state we risk a dangling pointer
// in the mStyledLinks hashtable
Link::UnbindFromTree();
}
int32_t SVGAElement::TabIndexDefault() { return 0; }
Focusable SVGAElement::IsFocusableWithoutStyle(bool aWithMouse) {
Focusable result;
if (IsSVGFocusable(&result.mFocusable, &result.mTabIndex)) {
return result;
}
if (!OwnerDoc()->LinkHandlingEnabled()) {
return {};
}
// Links that are in an editable region should never be focusable, even if
// they are in a contenteditable="false" region.
if (nsContentUtils::IsNodeInEditableRegion(this)) {
return {};
}
if (GetTabIndexAttrValue().isNothing()) {
// check whether we're actually a link
if (!IsLink()) {
// forced to be via presence of nonnegative tabindex attribute
return {};
}
}
if ((sTabFocusModel & eTabFocus_linksMask) == 0) {
result.mTabIndex = -1;
}
return result;
}
bool SVGAElement::HasHref() const {
// Currently our SMIL implementation does not modify the DOM attributes. Once
// we implement the SVG 2 SMIL behaviour this can be removed.
return mStringAttributes[HREF].IsExplicitlySet() ||
mStringAttributes[XLINK_HREF].IsExplicitlySet();
}
already_AddRefed<nsIURI> SVGAElement::GetHrefURI() const {
// Optimization: check for href first for early return
bool useBareHref = mStringAttributes[HREF].IsExplicitlySet();
if (useBareHref || mStringAttributes[XLINK_HREF].IsExplicitlySet()) {
// Get absolute URI
nsAutoString str;
const uint8_t idx = useBareHref ? HREF : XLINK_HREF;
mStringAttributes[idx].GetAnimValue(str, this);
nsCOMPtr<nsIURI> uri;
nsContentUtils::NewURIWithDocumentCharset(getter_AddRefs(uri), str,
OwnerDoc(), GetBaseURI());
return uri.forget();
}
return nullptr;
}
void SVGAElement::GetLinkTarget(nsAString& aTarget) {
mStringAttributes[TARGET].GetAnimValue(aTarget, this);
if (aTarget.IsEmpty()) {
static Element::AttrValuesArray sShowVals[] = {nsGkAtoms::_new,
nsGkAtoms::replace, nullptr};
switch (FindAttrValueIn(kNameSpaceID_XLink, nsGkAtoms::show, sShowVals,
eCaseMatters)) {
case 0:
aTarget.AssignLiteral("_blank");
return;
case 1:
return;
}
Document* ownerDoc = OwnerDoc();
if (ownerDoc) {
ownerDoc->GetBaseTarget(aTarget);
}
}
}
void SVGAElement::AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aMaybeScriptedPrincipal,
bool aNotify) {
if (aName == nsGkAtoms::href && (aNameSpaceID == kNameSpaceID_XLink ||
aNameSpaceID == kNameSpaceID_None)) {
// We can't assume that null aValue means we no longer have an href, because
// we could be unsetting xlink:href but still have a null-namespace href, or
// vice versa. But we can fast-path the case when we _do_ have a new value.
Link::ResetLinkState(aNotify, aValue || Link::ElementHasHref());
}
return SVGAElementBase::AfterSetAttr(aNameSpaceID, aName, aValue, aOldValue,
aMaybeScriptedPrincipal, aNotify);
}
//----------------------------------------------------------------------
// SVGElement methods
SVGElement::StringAttributesInfo SVGAElement::GetStringInfo() {
return StringAttributesInfo(mStringAttributes, sStringInfo,
ArrayLength(sStringInfo));
}
void SVGAElement::DidAnimateAttribute(int32_t aNameSpaceID,
nsAtom* aAttribute) {
if ((aNameSpaceID == kNameSpaceID_None ||
aNameSpaceID == kNameSpaceID_XLink) &&
aAttribute == nsGkAtoms::href) {
Link::ResetLinkState(true, Link::ElementHasHref());
}
SVGAElementBase::DidAnimateAttribute(aNameSpaceID, aAttribute);
}
} // namespace mozilla::dom