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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/HTMLAnchorElement.h"
#include "mozilla/dom/HTMLAreaElementBinding.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/EventStates.h"
#include "mozilla/MemoryReporting.h"
NS_IMPL_NS_NEW_HTML_ELEMENT(Area)
namespace mozilla {
namespace dom {
HTMLAreaElement::HTMLAreaElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
: nsGenericHTMLElement(aNodeInfo)
, Link(this)
{
}
HTMLAreaElement::~HTMLAreaElement()
{
}
NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLAreaElement)
NS_INTERFACE_TABLE_INHERITED(HTMLAreaElement,
nsIDOMHTMLAreaElement,
Link)
NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLElement)
NS_IMPL_ADDREF_INHERITED(HTMLAreaElement, Element)
NS_IMPL_RELEASE_INHERITED(HTMLAreaElement, Element)
NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLAreaElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLAreaElement,
nsGenericHTMLElement)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mRelList)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLAreaElement,
nsGenericHTMLElement)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mRelList)
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_ELEMENT_CLONE(HTMLAreaElement)
NS_IMPL_STRING_ATTR(HTMLAreaElement, Alt, alt)
NS_IMPL_STRING_ATTR(HTMLAreaElement, Coords, coords)
NS_IMPL_URI_ATTR(HTMLAreaElement, Href, href)
NS_IMPL_BOOL_ATTR(HTMLAreaElement, NoHref, nohref)
NS_IMPL_STRING_ATTR(HTMLAreaElement, Shape, shape)
NS_IMPL_STRING_ATTR(HTMLAreaElement, Download, download)
int32_t
HTMLAreaElement::TabIndexDefault()
{
return 0;
}
NS_IMETHODIMP
HTMLAreaElement::GetTarget(nsAString& aValue)
{
if (!GetAttr(kNameSpaceID_None, nsGkAtoms::target, aValue)) {
GetBaseTarget(aValue);
}
return NS_OK;
}
NS_IMETHODIMP
HTMLAreaElement::SetTarget(const nsAString& aValue)
{
return SetAttr(kNameSpaceID_None, nsGkAtoms::target, aValue, true);
}
nsresult
HTMLAreaElement::GetEventTargetParent(EventChainPreVisitor& aVisitor)
{
return GetEventTargetParentForAnchors(aVisitor);
}
nsresult
HTMLAreaElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
{
return PostHandleEventForAnchors(aVisitor);
}
bool
HTMLAreaElement::IsLink(nsIURI** aURI) const
{
return IsHTMLLink(aURI);
}
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(nsIDocument* aDocument, nsIContent* aParent,
nsIContent* aBindingParent,
bool aCompileEventHandlers)
{
Link::ResetLinkState(false, Link::ElementHasHref());
nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
aBindingParent,
aCompileEventHandlers);
NS_ENSURE_SUCCESS(rv, rv);
nsIDocument* doc = GetComposedDoc();
if (doc) {
doc->RegisterPendingLinkUpdate(this);
}
return rv;
}
void
HTMLAreaElement::UnbindFromTree(bool aDeep, bool aNullParent)
{
// If this link is ever reinserted into a document, it might
// be under a different xml:base, so forget the cached state now.
Link::ResetLinkState(false, Link::ElementHasHref());
// Note, we need to use OwnerDoc() here, since GetComposedDoc() might
// return null.
nsIDocument* doc = OwnerDoc();
if (doc) {
doc->UnregisterPendingLinkUpdate(this);
}
nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
}
nsresult
HTMLAreaElement::AfterSetAttr(int32_t aNamespaceID, nsIAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue, 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, aNotify);
}
#define IMPL_URI_PART(_part) \
NS_IMETHODIMP \
HTMLAreaElement::Get##_part(nsAString& a##_part) \
{ \
Link::Get##_part(a##_part); \
return NS_OK; \
} \
NS_IMETHODIMP \
HTMLAreaElement::Set##_part(const nsAString& a##_part) \
{ \
Link::Set##_part(a##_part); \
return NS_OK; \
}
IMPL_URI_PART(Protocol)
IMPL_URI_PART(Host)
IMPL_URI_PART(Hostname)
IMPL_URI_PART(Pathname)
IMPL_URI_PART(Search)
IMPL_URI_PART(Port)
IMPL_URI_PART(Hash)
#undef IMPL_URI_PART
NS_IMETHODIMP
HTMLAreaElement::ToString(nsAString& aSource)
{
return GetHref(aSource);
}
NS_IMETHODIMP
HTMLAreaElement::GetPing(nsAString& aValue)
{
GetAttr(kNameSpaceID_None, nsGkAtoms::ping, aValue);
return NS_OK;
}
NS_IMETHODIMP
HTMLAreaElement::SetPing(const nsAString& aValue)
{
return SetAttr(kNameSpaceID_None, nsGkAtoms::ping, aValue, true);
}
already_AddRefed<nsIURI>
HTMLAreaElement::GetHrefURI() const
{
return GetHrefURIForAnchors();
}
EventStates
HTMLAreaElement::IntrinsicState() const
{
return Link::LinkState() | nsGenericHTMLElement::IntrinsicState();
}
size_t
HTMLAreaElement::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
{
return nsGenericHTMLElement::SizeOfExcludingThis(aMallocSizeOf) +
Link::SizeOfExcludingThis(aMallocSizeOf);
}
JSObject*
HTMLAreaElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return HTMLAreaElementBinding::Wrap(aCx, this, aGivenProto);
}
} // namespace dom
} // namespace mozilla
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