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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 "mozilla/dom/HTMLAreaElement.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/BindContext.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/HTMLAnchorElement.h"
#include "mozilla/dom/HTMLAreaElementBinding.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/MemoryReporting.h"
#include "nsWindowSizes.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Area)
namespace mozilla::dom {
HTMLAreaElement::HTMLAreaElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)), Link(this) {}
HTMLAreaElement::~HTMLAreaElement() = default;
NS_IMPL_ISUPPORTS_CYCLE_COLLECTION_INHERITED(HTMLAreaElement,
nsGenericHTMLElement, Link)
NS_IMPL_CYCLE_COLLECTION_INHERITED(HTMLAreaElement, nsGenericHTMLElement,
mRelList)
NS_IMPL_ELEMENT_CLONE(HTMLAreaElement)
int32_t HTMLAreaElement::TabIndexDefault() { return 0; }
void HTMLAreaElement::GetTarget(DOMString& aValue) {
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::target, aValue)) {
GetBaseTarget(aValue);
}
}
void HTMLAreaElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
GetEventTargetParentForAnchors(aVisitor);
}
nsresult HTMLAreaElement::PostHandleEvent(EventChainPostVisitor& aVisitor) {
return PostHandleEventForAnchors(aVisitor);
}
void HTMLAreaElement::GetLinkTarget(nsAString& aTarget) {
GetAttr(kNameSpaceID_None, nsGkAtoms::target, aTarget);
if (aTarget.IsEmpty()) {
GetBaseTarget(aTarget);
}
}
nsDOMTokenList* HTMLAreaElement::RelList() {
if (!mRelList) {
mRelList = new nsDOMTokenList(this, nsGkAtoms::rel,
HTMLAnchorElement::sSupportedRelValues);
}
return mRelList;
}
nsresult HTMLAreaElement::BindToTree(BindContext& aContext, nsINode& aParent) {
Link::ResetLinkState(false, Link::ElementHasHref());
nsresult rv = nsGenericHTMLElement::BindToTree(aContext, aParent);
NS_ENSURE_SUCCESS(rv, rv);
if (IsInComposedDoc()) {
aContext.OwnerDoc().RegisterPendingLinkUpdate(this);
}
return rv;
}
void HTMLAreaElement::UnbindFromTree(bool aNullParent) {
// Without removing the link state we risk a dangling pointer
// in the mStyledLinks hashtable
Link::ResetLinkState(false, Link::ElementHasHref());
nsGenericHTMLElement::UnbindFromTree(aNullParent);
}
nsresult HTMLAreaElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aSubjectPrincipal,
bool aNotify) {
if (aNamespaceID == kNameSpaceID_None) {
// This must happen after the attribute is set. We will need the updated
// attribute value because notifying the document that content states have
// changed will call IntrinsicState, which will try to get updated
// information about the visitedness from Link.
if (aName == nsGkAtoms::href) {
Link::ResetLinkState(aNotify, !!aValue);
}
}
return nsGenericHTMLElement::AfterSetAttr(
aNamespaceID, aName, aValue, aOldValue, aSubjectPrincipal, aNotify);
}
void HTMLAreaElement::ToString(nsAString& aSource) { GetHref(aSource); }
already_AddRefed<nsIURI> HTMLAreaElement::GetHrefURI() const {
if (nsCOMPtr<nsIURI> uri = GetCachedURI()) {
return uri.forget();
}
return GetHrefURIForAnchors();
}
ElementState HTMLAreaElement::IntrinsicState() const {
return Link::LinkState() | nsGenericHTMLElement::IntrinsicState();
}
void HTMLAreaElement::AddSizeOfExcludingThis(nsWindowSizes& aSizes,
size_t* aNodeSize) const {
nsGenericHTMLElement::AddSizeOfExcludingThis(aSizes, aNodeSize);
*aNodeSize += Link::SizeOfExcludingThis(aSizes.mState);
}
JSObject* HTMLAreaElement::WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return HTMLAreaElement_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace mozilla::dom
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