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-rw-r--r--dom/svg/SVGAElement.cpp278
1 files changed, 278 insertions, 0 deletions
diff --git a/dom/svg/SVGAElement.cpp b/dom/svg/SVGAElement.cpp
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--- /dev/null
+++ b/dom/svg/SVGAElement.cpp
@@ -0,0 +1,278 @@
+/* -*- 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/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, sSupportedRelValues);
+ }
+ 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) {
+ Link::ResetLinkState(false, Link::ElementHasHref());
+
+ nsresult rv = SVGAElementBase::BindToTree(aContext, aParent);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ if (Document* doc = aContext.GetComposedDoc()) {
+ doc->RegisterPendingLinkUpdate(this);
+ }
+
+ return NS_OK;
+}
+
+void SVGAElement::UnbindFromTree(bool aNullParent) {
+ // Without removing the link state we risk a dangling pointer
+ // in the mStyledLinks hashtable
+ Link::ResetLinkState(false, Link::ElementHasHref());
+
+ SVGAElementBase::UnbindFromTree(aNullParent);
+}
+
+int32_t SVGAElement::TabIndexDefault() { return 0; }
+
+bool SVGAElement::IsFocusableInternal(int32_t* aTabIndex, bool aWithMouse) {
+ bool isFocusable = false;
+ if (IsSVGFocusable(&isFocusable, aTabIndex)) {
+ return isFocusable;
+ }
+
+ if (!OwnerDoc()->LinkHandlingEnabled()) {
+ return false;
+ }
+
+ // Links that are in an editable region should never be focusable, even if
+ // they are in a contenteditable="false" region.
+ if (nsContentUtils::IsNodeInEditableRegion(this)) {
+ if (aTabIndex) {
+ *aTabIndex = -1;
+ }
+ return false;
+ }
+
+ if (GetTabIndexAttrValue().isNothing()) {
+ // check whether we're actually a link
+ if (!IsLink()) {
+ // Not tabbable or focusable without href (bug 17605), unless
+ // forced to be via presence of nonnegative tabindex attribute
+ if (aTabIndex) {
+ *aTabIndex = -1;
+ }
+ return false;
+ }
+ }
+
+ if (aTabIndex && (sTabFocusModel & eTabFocus_linksMask) == 0) {
+ *aTabIndex = -1;
+ }
+
+ return true;
+}
+
+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);
+ }
+ }
+}
+
+ElementState SVGAElement::IntrinsicState() const {
+ return Link::LinkState() | SVGAElementBase::IntrinsicState();
+}
+
+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));
+}
+
+} // namespace mozilla::dom