275 lines
7.7 KiB
C++
275 lines
7.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/HTMLAreaElement.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/HTMLAnchorElement.h"
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#include "mozilla/dom/HTMLAreaElementBinding.h"
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#include "mozilla/EventDispatcher.h"
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#include "mozilla/EventStates.h"
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#include "mozilla/MemoryReporting.h"
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NS_IMPL_NS_NEW_HTML_ELEMENT(Area)
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namespace mozilla {
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namespace dom {
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HTMLAreaElement::HTMLAreaElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
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: nsGenericHTMLElement(aNodeInfo)
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, Link(this)
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{
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}
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HTMLAreaElement::~HTMLAreaElement()
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{
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}
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NS_INTERFACE_TABLE_HEAD_CYCLE_COLLECTION_INHERITED(HTMLAreaElement)
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NS_INTERFACE_TABLE_INHERITED(HTMLAreaElement,
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nsIDOMHTMLAreaElement,
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Link)
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NS_INTERFACE_TABLE_TAIL_INHERITING(nsGenericHTMLElement)
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NS_IMPL_ADDREF_INHERITED(HTMLAreaElement, Element)
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NS_IMPL_RELEASE_INHERITED(HTMLAreaElement, Element)
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NS_IMPL_CYCLE_COLLECTION_CLASS(HTMLAreaElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(HTMLAreaElement,
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nsGenericHTMLElement)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mRelList)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(HTMLAreaElement,
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nsGenericHTMLElement)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mRelList)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_ELEMENT_CLONE(HTMLAreaElement)
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NS_IMPL_STRING_ATTR(HTMLAreaElement, Alt, alt)
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NS_IMPL_STRING_ATTR(HTMLAreaElement, Coords, coords)
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NS_IMPL_URI_ATTR(HTMLAreaElement, Href, href)
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NS_IMPL_BOOL_ATTR(HTMLAreaElement, NoHref, nohref)
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NS_IMPL_STRING_ATTR(HTMLAreaElement, Shape, shape)
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NS_IMPL_STRING_ATTR(HTMLAreaElement, Download, download)
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int32_t
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HTMLAreaElement::TabIndexDefault()
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{
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return 0;
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}
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void
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HTMLAreaElement::GetItemValueText(DOMString& aValue)
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{
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GetHref(aValue);
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}
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void
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HTMLAreaElement::SetItemValueText(const nsAString& aValue)
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{
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SetHref(aValue);
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}
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NS_IMETHODIMP
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HTMLAreaElement::GetTarget(nsAString& aValue)
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{
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if (!GetAttr(kNameSpaceID_None, nsGkAtoms::target, aValue)) {
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GetBaseTarget(aValue);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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HTMLAreaElement::SetTarget(const nsAString& aValue)
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{
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return SetAttr(kNameSpaceID_None, nsGkAtoms::target, aValue, true);
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}
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nsresult
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HTMLAreaElement::PreHandleEvent(EventChainPreVisitor& aVisitor)
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{
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return PreHandleEventForAnchors(aVisitor);
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}
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nsresult
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HTMLAreaElement::PostHandleEvent(EventChainPostVisitor& aVisitor)
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{
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return PostHandleEventForAnchors(aVisitor);
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}
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bool
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HTMLAreaElement::IsLink(nsIURI** aURI) const
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{
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return IsHTMLLink(aURI);
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}
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void
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HTMLAreaElement::GetLinkTarget(nsAString& aTarget)
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{
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GetAttr(kNameSpaceID_None, nsGkAtoms::target, aTarget);
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if (aTarget.IsEmpty()) {
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GetBaseTarget(aTarget);
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}
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}
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nsDOMTokenList*
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HTMLAreaElement::RelList()
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{
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if (!mRelList) {
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mRelList = new nsDOMTokenList(this, nsGkAtoms::rel,
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HTMLAnchorElement::sSupportedRelValues);
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}
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return mRelList;
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}
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nsresult
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HTMLAreaElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers)
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{
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Link::ResetLinkState(false, Link::ElementHasHref());
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nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
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aBindingParent,
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aCompileEventHandlers);
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NS_ENSURE_SUCCESS(rv, rv);
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nsIDocument* doc = GetComposedDoc();
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if (doc) {
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doc->RegisterPendingLinkUpdate(this);
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}
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return rv;
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}
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void
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HTMLAreaElement::UnbindFromTree(bool aDeep, bool aNullParent)
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{
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// If this link is ever reinserted into a document, it might
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// be under a different xml:base, so forget the cached state now.
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Link::ResetLinkState(false, Link::ElementHasHref());
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// Note, we need to use OwnerDoc() here, since GetComposedDoc() might
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// return null.
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nsIDocument* doc = OwnerDoc();
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if (doc) {
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doc->UnregisterPendingLinkUpdate(this);
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}
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nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
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}
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nsresult
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HTMLAreaElement::SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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nsIAtom* aPrefix, const nsAString& aValue,
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bool aNotify)
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{
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nsresult rv =
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nsGenericHTMLElement::SetAttr(aNameSpaceID, aName, aPrefix, aValue, aNotify);
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// The ordering of the parent class's SetAttr call and Link::ResetLinkState
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// is important here! The attribute is not set until SetAttr returns, and
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// we will need the updated attribute value because notifying the document
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// that content states have changed will call IntrinsicState, which will try
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// to get updated information about the visitedness from Link.
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if (aName == nsGkAtoms::href && aNameSpaceID == kNameSpaceID_None) {
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Link::ResetLinkState(!!aNotify, true);
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}
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return rv;
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}
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nsresult
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HTMLAreaElement::UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
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bool aNotify)
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{
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nsresult rv = nsGenericHTMLElement::UnsetAttr(aNameSpaceID, aAttribute,
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aNotify);
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// The ordering of the parent class's UnsetAttr call and Link::ResetLinkState
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// is important here! The attribute is not unset until UnsetAttr returns, and
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// we will need the updated attribute value because notifying the document
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// that content states have changed will call IntrinsicState, which will try
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// to get updated information about the visitedness from Link.
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if (aAttribute == nsGkAtoms::href && kNameSpaceID_None == aNameSpaceID) {
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Link::ResetLinkState(!!aNotify, false);
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}
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return rv;
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}
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#define IMPL_URI_PART(_part) \
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NS_IMETHODIMP \
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HTMLAreaElement::Get##_part(nsAString& a##_part) \
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{ \
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Link::Get##_part(a##_part); \
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return NS_OK; \
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} \
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NS_IMETHODIMP \
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HTMLAreaElement::Set##_part(const nsAString& a##_part) \
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{ \
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Link::Set##_part(a##_part); \
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return NS_OK; \
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}
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IMPL_URI_PART(Protocol)
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IMPL_URI_PART(Host)
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IMPL_URI_PART(Hostname)
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IMPL_URI_PART(Pathname)
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IMPL_URI_PART(Search)
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IMPL_URI_PART(Port)
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IMPL_URI_PART(Hash)
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#undef IMPL_URI_PART
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NS_IMETHODIMP
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HTMLAreaElement::ToString(nsAString& aSource)
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{
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return GetHref(aSource);
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}
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NS_IMETHODIMP
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HTMLAreaElement::GetPing(nsAString& aValue)
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{
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return GetURIListAttr(nsGkAtoms::ping, aValue);
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}
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NS_IMETHODIMP
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HTMLAreaElement::SetPing(const nsAString& aValue)
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{
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return SetAttr(kNameSpaceID_None, nsGkAtoms::ping, aValue, true);
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}
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already_AddRefed<nsIURI>
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HTMLAreaElement::GetHrefURI() const
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{
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return GetHrefURIForAnchors();
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}
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EventStates
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HTMLAreaElement::IntrinsicState() const
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{
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return Link::LinkState() | nsGenericHTMLElement::IntrinsicState();
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}
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size_t
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HTMLAreaElement::SizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf) const
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{
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return nsGenericHTMLElement::SizeOfExcludingThis(aMallocSizeOf) +
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Link::SizeOfExcludingThis(aMallocSizeOf);
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}
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JSObject*
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HTMLAreaElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return HTMLAreaElementBinding::Wrap(aCx, this, aGivenProto);
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}
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} // namespace dom
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} // namespace mozilla
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