DXR will be turned off on Tuesday, December 29th. It will redirect to Searchfox.
See the announcement on Discourse.

DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (c68fe15a81fc)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* -*- 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/HTMLAnchorElement.h"
#include "mozilla/dom/HTMLAreaElementBinding.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/EventDispatcher.h"
#include "mozilla/EventStates.h"
#include "mozilla/MemoryReporting.h"
#include "nsWindowSizes.h"

NS_IMPL_NS_NEW_HTML_ELEMENT(Area)
NS_IMPL_NS_NEW_HTML_ELEMENT(Area)

namespace mozilla {
namespace dom {

HTMLAreaElement::HTMLAreaElement(
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);
    GetBaseTarget(aValue);
  }
}

void HTMLAreaElement::GetEventTargetParent(EventChainPreVisitor& aVisitor) {
  GetEventTargetParentForAnchors(aVisitor);
  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);
  GetAttr(kNameSpaceID_None, nsGkAtoms::target, aTarget);
  if (aTarget.IsEmpty()) {
    GetBaseTarget(aTarget);
  }
}

nsDOMTokenList* HTMLAreaElement::RelList() {
  if (!mRelList) {
    mRelList = new nsDOMTokenList(this, nsGkAtoms::rel,
                                  HTMLAnchorElement::sSupportedRelValues);
                                  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());
  Link::ResetLinkState(false, Link::ElementHasHref());

  nsGenericHTMLElement::UnbindFromTree(aNullParent);
}

nsresult HTMLAreaElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
nsresult HTMLAreaElement::AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
                                       const nsAttrValue* aValue,
                                       const nsAttrValue* aOldValue,
                                       nsIPrincipal* aSubjectPrincipal,
                                       bool aNotify) {
                                       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.
    // 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 {
  return GetHrefURIForAnchors();
}
}

EventStates 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);
  *aNodeSize += Link::SizeOfExcludingThis(aSizes.mState);
}

JSObject* HTMLAreaElement::WrapNode(JSContext* aCx,
                                    JS::Handle<JSObject*> aGivenProto) {
  return HTMLAreaElement_Binding::Wrap(aCx, this, aGivenProto);
  return HTMLAreaElement_Binding::Wrap(aCx, this, aGivenProto);
}

}  // namespace dom
}  // namespace mozilla