LCOV - code coverage report
Current view: directory - content/html/content/src - nsHTMLAnchorElement.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 166 0 0.0 %
Date: 2012-06-02 Functions: 165 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* vim:set tw=80 expandtab softtabstop=2 ts=2 sw=2: */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Mozilla Communicator client code.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Netscape Communications Corporation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 1998
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Daniel Glazman <glazman@netscape.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      28                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : 
      40                 : #include "nsGenericHTMLElement.h"
      41                 : #include "nsIDOMHTMLAnchorElement.h"
      42                 : #include "nsILink.h"
      43                 : #include "Link.h"
      44                 : 
      45                 : #include "nsCOMPtr.h"
      46                 : #include "nsContentUtils.h"
      47                 : #include "nsReadableUtils.h"
      48                 : #include "nsUnicharUtils.h"
      49                 : #include "nsGkAtoms.h"
      50                 : #include "nsIPresShell.h"
      51                 : #include "nsIDocument.h"
      52                 : #include "nsPresContext.h"
      53                 : #include "nsHTMLDNSPrefetch.h"
      54                 : 
      55                 : using namespace mozilla::dom;
      56                 : 
      57                 : class nsHTMLAnchorElement : public nsGenericHTMLElement,
      58                 :                             public nsIDOMHTMLAnchorElement,
      59                 :                             public nsILink,
      60                 :                             public Link
      61                 : {
      62                 : public:
      63                 :   using nsGenericElement::GetText;
      64                 :   using nsGenericElement::SetText;
      65                 : 
      66                 :   nsHTMLAnchorElement(already_AddRefed<nsINodeInfo> aNodeInfo);
      67                 :   virtual ~nsHTMLAnchorElement();
      68                 : 
      69                 :   // nsISupports
      70                 :   NS_DECL_ISUPPORTS_INHERITED
      71                 : 
      72                 :   // nsIDOMNode
      73               0 :   NS_FORWARD_NSIDOMNODE(nsGenericHTMLElement::)
      74                 : 
      75                 :   // nsIDOMElement
      76               0 :   NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
      77                 : 
      78                 :   // nsIDOMHTMLElement
      79               0 :   NS_FORWARD_NSIDOMHTMLELEMENT_BASIC(nsGenericHTMLElement::)
      80               0 :   NS_SCRIPTABLE NS_IMETHOD Click() {
      81               0 :     return nsGenericHTMLElement::Click();
      82                 :   }
      83                 :   NS_SCRIPTABLE NS_IMETHOD GetTabIndex(PRInt32* aTabIndex);
      84                 :   NS_SCRIPTABLE NS_IMETHOD SetTabIndex(PRInt32 aTabIndex);
      85               0 :   NS_SCRIPTABLE NS_IMETHOD Focus() {
      86               0 :     return nsGenericHTMLElement::Focus();
      87                 :   }
      88                 :   NS_SCRIPTABLE NS_IMETHOD GetDraggable(bool* aDraggable);
      89               0 :   NS_SCRIPTABLE NS_IMETHOD GetInnerHTML(nsAString& aInnerHTML) {
      90               0 :     return nsGenericHTMLElement::GetInnerHTML(aInnerHTML);
      91                 :   }
      92               0 :   NS_SCRIPTABLE NS_IMETHOD SetInnerHTML(const nsAString& aInnerHTML) {
      93               0 :     return nsGenericHTMLElement::SetInnerHTML(aInnerHTML);
      94                 :   }
      95                 : 
      96                 :   // nsIDOMHTMLAnchorElement
      97                 :   NS_DECL_NSIDOMHTMLANCHORELEMENT  
      98                 : 
      99                 :   // DOM memory reporter participant
     100                 :   NS_DECL_SIZEOF_EXCLUDING_THIS
     101                 : 
     102                 :   // nsILink
     103               0 :   NS_IMETHOD LinkAdded() { return NS_OK; }
     104               0 :   NS_IMETHOD LinkRemoved() { return NS_OK; }
     105                 : 
     106                 :   virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
     107                 :                               nsIContent* aBindingParent,
     108                 :                               bool aCompileEventHandlers);
     109                 :   virtual void UnbindFromTree(bool aDeep = true,
     110                 :                               bool aNullParent = true);
     111                 :   virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, PRInt32 *aTabIndex);
     112                 : 
     113                 :   virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
     114                 :   virtual nsresult PostHandleEvent(nsEventChainPostVisitor& aVisitor);
     115                 :   virtual bool IsLink(nsIURI** aURI) const;
     116                 :   virtual void GetLinkTarget(nsAString& aTarget);
     117                 :   virtual nsLinkState GetLinkState() const;
     118                 :   virtual already_AddRefed<nsIURI> GetHrefURI() const;
     119                 : 
     120               0 :   nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
     121                 :                    const nsAString& aValue, bool aNotify)
     122                 :   {
     123               0 :     return SetAttr(aNameSpaceID, aName, nsnull, aValue, aNotify);
     124                 :   }
     125                 :   virtual nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
     126                 :                            nsIAtom* aPrefix, const nsAString& aValue,
     127                 :                            bool aNotify);
     128                 :   virtual nsresult UnsetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
     129                 :                              bool aNotify);
     130                 :   virtual bool ParseAttribute(PRInt32 aNamespaceID,
     131                 :                                 nsIAtom* aAttribute,
     132                 :                                 const nsAString& aValue,
     133                 :                                 nsAttrValue& aResult);
     134                 : 
     135                 :   virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;
     136                 : 
     137                 :   virtual nsEventStates IntrinsicState() const;
     138                 : 
     139                 :   virtual nsXPCClassInfo* GetClassInfo();
     140                 :   
     141                 :   virtual void OnDNSPrefetchDeferred();
     142                 :   virtual void OnDNSPrefetchRequested();
     143                 :   virtual bool HasDeferredDNSPrefetchRequest();
     144                 : };
     145                 : 
     146                 : // Indicates that a DNS Prefetch has been requested from this Anchor elem
     147                 : #define HTML_ANCHOR_DNS_PREFETCH_REQUESTED \
     148                 :   (1 << ELEMENT_TYPE_SPECIFIC_BITS_OFFSET)
     149                 : // Indicates that a DNS Prefetch was added to the deferral queue
     150                 : #define HTML_ANCHOR_DNS_PREFETCH_DEFERRED \
     151                 :   (1 << (ELEMENT_TYPE_SPECIFIC_BITS_OFFSET+1))
     152                 : 
     153                 : // Make sure we have enough space for those bits
     154                 : PR_STATIC_ASSERT(ELEMENT_TYPE_SPECIFIC_BITS_OFFSET+1 < 32);
     155                 : 
     156               0 : NS_IMPL_NS_NEW_HTML_ELEMENT(Anchor)
     157                 : 
     158               0 : nsHTMLAnchorElement::nsHTMLAnchorElement(already_AddRefed<nsINodeInfo> aNodeInfo)
     159                 :   : nsGenericHTMLElement(aNodeInfo)
     160               0 :   , Link(this)
     161                 : {
     162               0 : }
     163                 : 
     164               0 : nsHTMLAnchorElement::~nsHTMLAnchorElement()
     165                 : {
     166               0 : }
     167                 : 
     168                 : 
     169               0 : NS_IMPL_ADDREF_INHERITED(nsHTMLAnchorElement, nsGenericElement) 
     170               0 : NS_IMPL_RELEASE_INHERITED(nsHTMLAnchorElement, nsGenericElement) 
     171                 : 
     172                 : 
     173               0 : DOMCI_NODE_DATA(HTMLAnchorElement, nsHTMLAnchorElement)
     174                 : 
     175                 : // QueryInterface implementation for nsHTMLAnchorElement
     176               0 : NS_INTERFACE_TABLE_HEAD(nsHTMLAnchorElement)
     177               0 :   NS_HTML_CONTENT_INTERFACE_TABLE3(nsHTMLAnchorElement,
     178                 :                                    nsIDOMHTMLAnchorElement,
     179                 :                                    nsILink,
     180                 :                                    Link)
     181               0 :   NS_HTML_CONTENT_INTERFACE_TABLE_TO_MAP_SEGUE(nsHTMLAnchorElement,
     182                 :                                                nsGenericHTMLElement)
     183               0 : NS_HTML_CONTENT_INTERFACE_TABLE_TAIL_CLASSINFO(HTMLAnchorElement)
     184                 : 
     185                 : 
     186               0 : NS_IMPL_ELEMENT_CLONE(nsHTMLAnchorElement)
     187                 : 
     188                 : 
     189               0 : NS_IMPL_STRING_ATTR(nsHTMLAnchorElement, Charset, charset)
     190               0 : NS_IMPL_STRING_ATTR(nsHTMLAnchorElement, Coords, coords)
     191               0 : NS_IMPL_URI_ATTR(nsHTMLAnchorElement, Href, href)
     192               0 : NS_IMPL_STRING_ATTR(nsHTMLAnchorElement, Hreflang, hreflang)
     193               0 : NS_IMPL_STRING_ATTR(nsHTMLAnchorElement, Name, name)
     194               0 : NS_IMPL_STRING_ATTR(nsHTMLAnchorElement, Rel, rel)
     195               0 : NS_IMPL_STRING_ATTR(nsHTMLAnchorElement, Rev, rev)
     196               0 : NS_IMPL_STRING_ATTR(nsHTMLAnchorElement, Shape, shape)
     197               0 : NS_IMPL_INT_ATTR(nsHTMLAnchorElement, TabIndex, tabindex)
     198               0 : NS_IMPL_STRING_ATTR(nsHTMLAnchorElement, Type, type)
     199                 : 
     200                 : NS_IMETHODIMP
     201               0 : nsHTMLAnchorElement::GetDraggable(bool* aDraggable)
     202                 : {
     203                 :   // links can be dragged as long as there is an href and the
     204                 :   // draggable attribute isn't false
     205               0 :   if (HasAttr(kNameSpaceID_None, nsGkAtoms::href)) {
     206                 :     *aDraggable = !AttrValueIs(kNameSpaceID_None, nsGkAtoms::draggable,
     207               0 :                                nsGkAtoms::_false, eIgnoreCase);
     208               0 :     return NS_OK;
     209                 :   }
     210                 : 
     211                 :   // no href, so just use the same behavior as other elements
     212               0 :   return nsGenericHTMLElement::GetDraggable(aDraggable);
     213                 : }
     214                 : 
     215                 : void
     216               0 : nsHTMLAnchorElement::OnDNSPrefetchRequested()
     217                 : {
     218               0 :   UnsetFlags(HTML_ANCHOR_DNS_PREFETCH_DEFERRED);
     219               0 :   SetFlags(HTML_ANCHOR_DNS_PREFETCH_REQUESTED);
     220               0 : }
     221                 : 
     222                 : void
     223               0 : nsHTMLAnchorElement::OnDNSPrefetchDeferred()
     224                 : {
     225               0 :   UnsetFlags(HTML_ANCHOR_DNS_PREFETCH_REQUESTED);
     226               0 :   SetFlags(HTML_ANCHOR_DNS_PREFETCH_DEFERRED);
     227               0 : }
     228                 : 
     229                 : bool
     230               0 : nsHTMLAnchorElement::HasDeferredDNSPrefetchRequest()
     231                 : {
     232               0 :   return HasFlag(HTML_ANCHOR_DNS_PREFETCH_DEFERRED);
     233                 : }
     234                 : 
     235                 : nsresult
     236               0 : nsHTMLAnchorElement::BindToTree(nsIDocument* aDocument, nsIContent* aParent,
     237                 :                                 nsIContent* aBindingParent,
     238                 :                                 bool aCompileEventHandlers)
     239                 : {
     240               0 :   Link::ResetLinkState(false);
     241                 : 
     242                 :   nsresult rv = nsGenericHTMLElement::BindToTree(aDocument, aParent,
     243                 :                                                  aBindingParent,
     244               0 :                                                  aCompileEventHandlers);
     245               0 :   NS_ENSURE_SUCCESS(rv, rv);
     246                 : 
     247                 :   // Prefetch links
     248               0 :   if (aDocument) {
     249               0 :     aDocument->RegisterPendingLinkUpdate(this);
     250               0 :     if (nsHTMLDNSPrefetch::IsAllowed(OwnerDoc())) {
     251               0 :       nsHTMLDNSPrefetch::PrefetchLow(this);
     252                 :     }
     253                 :   }
     254                 : 
     255               0 :   return rv;
     256                 : }
     257                 : 
     258                 : void
     259               0 : nsHTMLAnchorElement::UnbindFromTree(bool aDeep, bool aNullParent)
     260                 : {
     261                 :   // Cancel any DNS prefetches
     262                 :   // Note: Must come before ResetLinkState.  If called after, it will recreate
     263                 :   // mCachedURI based on data that is invalid - due to a call to GetHostname.
     264                 : 
     265                 :   // If prefetch was deferred, clear flag and move on
     266               0 :   if (HasFlag(HTML_ANCHOR_DNS_PREFETCH_DEFERRED))
     267               0 :     UnsetFlags(HTML_ANCHOR_DNS_PREFETCH_DEFERRED);
     268                 :   // Else if prefetch was requested, clear flag and send cancellation
     269               0 :   else if (HasFlag(HTML_ANCHOR_DNS_PREFETCH_REQUESTED)) {
     270               0 :     UnsetFlags(HTML_ANCHOR_DNS_PREFETCH_REQUESTED);
     271                 :     // Possible that hostname could have changed since binding, but since this
     272                 :     // covers common cases, most DNS prefetch requests will be canceled
     273               0 :     nsHTMLDNSPrefetch::CancelPrefetchLow(this, NS_ERROR_ABORT);
     274                 :   }
     275                 :   
     276                 :   // If this link is ever reinserted into a document, it might
     277                 :   // be under a different xml:base, so forget the cached state now.
     278               0 :   Link::ResetLinkState(false);
     279                 :   
     280               0 :   nsIDocument* doc = GetCurrentDoc();
     281               0 :   if (doc) {
     282               0 :     doc->UnregisterPendingLinkUpdate(this);
     283                 :   }
     284                 : 
     285               0 :   nsGenericHTMLElement::UnbindFromTree(aDeep, aNullParent);
     286               0 : }
     287                 : 
     288                 : bool
     289               0 : nsHTMLAnchorElement::IsHTMLFocusable(bool aWithMouse,
     290                 :                                      bool *aIsFocusable, PRInt32 *aTabIndex)
     291                 : {
     292               0 :   if (nsGenericHTMLElement::IsHTMLFocusable(aWithMouse, aIsFocusable, aTabIndex)) {
     293               0 :     return true;
     294                 :   }
     295                 : 
     296                 :   // cannot focus links if there is no link handler
     297               0 :   nsIDocument* doc = GetCurrentDoc();
     298               0 :   if (doc) {
     299               0 :     nsIPresShell* presShell = doc->GetShell();
     300               0 :     if (presShell) {
     301               0 :       nsPresContext* presContext = presShell->GetPresContext();
     302               0 :       if (presContext && !presContext->GetLinkHandler()) {
     303               0 :         *aIsFocusable = false;
     304               0 :         return false;
     305                 :       }
     306                 :     }
     307                 :   }
     308                 : 
     309               0 :   if (IsEditable()) {
     310               0 :     if (aTabIndex) {
     311               0 :       *aTabIndex = -1;
     312                 :     }
     313                 : 
     314               0 :     *aIsFocusable = false;
     315                 : 
     316               0 :     return true;
     317                 :   }
     318                 : 
     319               0 :   if (!HasAttr(kNameSpaceID_None, nsGkAtoms::tabindex)) {
     320                 :     // check whether we're actually a link
     321               0 :     nsCOMPtr<nsIURI> absURI;
     322               0 :     if (!IsLink(getter_AddRefs(absURI))) {
     323                 :       // Not tabbable or focusable without href (bug 17605), unless
     324                 :       // forced to be via presence of nonnegative tabindex attribute
     325               0 :       if (aTabIndex) {
     326               0 :         *aTabIndex = -1;
     327                 :       }
     328                 : 
     329               0 :       *aIsFocusable = false;
     330                 : 
     331               0 :       return false;
     332                 :     }
     333                 :   }
     334                 : 
     335               0 :   if (aTabIndex && (sTabFocusModel & eTabFocus_linksMask) == 0) {
     336               0 :     *aTabIndex = -1;
     337                 :   }
     338                 : 
     339               0 :   *aIsFocusable = true;
     340                 : 
     341               0 :   return false;
     342                 : }
     343                 : 
     344                 : nsresult
     345               0 : nsHTMLAnchorElement::PreHandleEvent(nsEventChainPreVisitor& aVisitor)
     346                 : {
     347               0 :   return PreHandleEventForAnchors(aVisitor);
     348                 : }
     349                 : 
     350                 : nsresult
     351               0 : nsHTMLAnchorElement::PostHandleEvent(nsEventChainPostVisitor& aVisitor)
     352                 : {
     353               0 :   return PostHandleEventForAnchors(aVisitor);
     354                 : }
     355                 : 
     356                 : bool
     357               0 : nsHTMLAnchorElement::IsLink(nsIURI** aURI) const
     358                 : {
     359               0 :   return IsHTMLLink(aURI);
     360                 : }
     361                 : 
     362                 : void
     363               0 : nsHTMLAnchorElement::GetLinkTarget(nsAString& aTarget)
     364                 : {
     365               0 :   GetAttr(kNameSpaceID_None, nsGkAtoms::target, aTarget);
     366               0 :   if (aTarget.IsEmpty()) {
     367               0 :     GetBaseTarget(aTarget);
     368                 :   }
     369               0 : }
     370                 : 
     371                 : NS_IMETHODIMP
     372               0 : nsHTMLAnchorElement::GetTarget(nsAString& aValue)
     373                 : {
     374               0 :   if (!GetAttr(kNameSpaceID_None, nsGkAtoms::target, aValue)) {
     375               0 :     GetBaseTarget(aValue);
     376                 :   }
     377               0 :   return NS_OK;
     378                 : }
     379                 : 
     380                 : NS_IMETHODIMP
     381               0 : nsHTMLAnchorElement::SetTarget(const nsAString& aValue)
     382                 : {
     383               0 :   return SetAttr(kNameSpaceID_None, nsGkAtoms::target, aValue, true);
     384                 : }
     385                 : 
     386                 : #define IMPL_URI_PART(_part)                                 \
     387                 :   NS_IMETHODIMP                                              \
     388                 :   nsHTMLAnchorElement::Get##_part(nsAString& a##_part)       \
     389                 :   {                                                          \
     390                 :     return Link::Get##_part(a##_part);                       \
     391                 :   }                                                          \
     392                 :   NS_IMETHODIMP                                              \
     393                 :   nsHTMLAnchorElement::Set##_part(const nsAString& a##_part) \
     394                 :   {                                                          \
     395                 :     return Link::Set##_part(a##_part);                       \
     396                 :   }
     397                 : 
     398               0 : IMPL_URI_PART(Protocol)
     399               0 : IMPL_URI_PART(Host)
     400               0 : IMPL_URI_PART(Hostname)
     401               0 : IMPL_URI_PART(Pathname)
     402               0 : IMPL_URI_PART(Search)
     403               0 : IMPL_URI_PART(Port)
     404               0 : IMPL_URI_PART(Hash)
     405                 : 
     406                 : #undef IMPL_URI_PART
     407                 : 
     408                 : NS_IMETHODIMP    
     409               0 : nsHTMLAnchorElement::GetText(nsAString& aText)
     410                 : {
     411               0 :   nsContentUtils::GetNodeTextContent(this, true, aText);
     412               0 :   return NS_OK;
     413                 : }
     414                 : 
     415                 : NS_IMETHODIMP    
     416               0 : nsHTMLAnchorElement::SetText(const nsAString& aText)
     417                 : {
     418               0 :   return nsContentUtils::SetNodeTextContent(this, aText, false);
     419                 : }
     420                 : 
     421                 : NS_IMETHODIMP
     422               0 : nsHTMLAnchorElement::ToString(nsAString& aSource)
     423                 : {
     424               0 :   return GetHref(aSource);
     425                 : }
     426                 : 
     427                 : NS_IMETHODIMP    
     428               0 : nsHTMLAnchorElement::GetPing(nsAString& aValue)
     429                 : {
     430               0 :   return GetURIListAttr(nsGkAtoms::ping, aValue);
     431                 : }
     432                 : 
     433                 : NS_IMETHODIMP
     434               0 : nsHTMLAnchorElement::SetPing(const nsAString& aValue)
     435                 : {
     436               0 :   return SetAttr(kNameSpaceID_None, nsGkAtoms::ping, aValue, true);
     437                 : }
     438                 : 
     439                 : nsLinkState
     440               0 : nsHTMLAnchorElement::GetLinkState() const
     441                 : {
     442               0 :   return Link::GetLinkState();
     443                 : }
     444                 : 
     445                 : already_AddRefed<nsIURI>
     446               0 : nsHTMLAnchorElement::GetHrefURI() const
     447                 : {
     448               0 :   return GetHrefURIForAnchors();
     449                 : }
     450                 : 
     451                 : nsresult
     452               0 : nsHTMLAnchorElement::SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
     453                 :                              nsIAtom* aPrefix, const nsAString& aValue,
     454                 :                              bool aNotify)
     455                 : {
     456               0 :   bool reset = false;
     457               0 :   if (aName == nsGkAtoms::href && kNameSpaceID_None == aNameSpaceID) {
     458                 :     // If we do not have a cached URI, we have some value here so we must reset
     459                 :     // our link state after calling the parent.
     460               0 :     if (!Link::HasCachedURI()) {
     461               0 :       reset = true;
     462                 :     }
     463                 :     // However, if we have a cached URI, we'll want to see if the value changed.
     464                 :     else {
     465               0 :       nsAutoString val;
     466               0 :       GetHref(val);
     467               0 :       if (!val.Equals(aValue)) {
     468               0 :         reset = true;
     469                 :       }
     470                 :     }
     471                 :   }
     472                 : 
     473                 :   nsresult rv = nsGenericHTMLElement::SetAttr(aNameSpaceID, aName, aPrefix,
     474               0 :                                               aValue, aNotify);
     475                 : 
     476                 :   // The ordering of the parent class's SetAttr call and Link::ResetLinkState
     477                 :   // is important here!  The attribute is not set until SetAttr returns, and
     478                 :   // we will need the updated attribute value because notifying the document
     479                 :   // that content states have changed will call IntrinsicState, which will try
     480                 :   // to get updated information about the visitedness from Link.
     481               0 :   if (reset) {
     482               0 :     Link::ResetLinkState(!!aNotify);
     483                 :   }
     484                 : 
     485               0 :   return rv;
     486                 : }
     487                 : 
     488                 : nsresult
     489               0 : nsHTMLAnchorElement::UnsetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
     490                 :                                bool aNotify)
     491                 : {
     492                 :   nsresult rv = nsGenericHTMLElement::UnsetAttr(aNameSpaceID, aAttribute,
     493               0 :                                                 aNotify);
     494                 : 
     495                 :   // The ordering of the parent class's UnsetAttr call and Link::ResetLinkState
     496                 :   // is important here!  The attribute is not unset until UnsetAttr returns, and
     497                 :   // we will need the updated attribute value because notifying the document
     498                 :   // that content states have changed will call IntrinsicState, which will try
     499                 :   // to get updated information about the visitedness from Link.
     500               0 :   if (aAttribute == nsGkAtoms::href && kNameSpaceID_None == aNameSpaceID) {
     501               0 :     Link::ResetLinkState(!!aNotify);
     502                 :   }
     503                 : 
     504               0 :   return rv;
     505                 : }
     506                 : 
     507                 : bool
     508               0 : nsHTMLAnchorElement::ParseAttribute(PRInt32 aNamespaceID,
     509                 :                                     nsIAtom* aAttribute,
     510                 :                                     const nsAString& aValue,
     511                 :                                     nsAttrValue& aResult)
     512                 : {
     513                 :   return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
     514               0 :                                               aResult);
     515                 : }
     516                 : 
     517                 : nsEventStates
     518               0 : nsHTMLAnchorElement::IntrinsicState() const
     519                 : {
     520               0 :   return Link::LinkState() | nsGenericHTMLElement::IntrinsicState();
     521                 : }
     522                 : 
     523                 : size_t
     524               0 : nsHTMLAnchorElement::SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf) const
     525                 : {
     526               0 :   return nsGenericHTMLElement::SizeOfExcludingThis(aMallocSizeOf) +
     527               0 :          Link::SizeOfExcludingThis(aMallocSizeOf);
     528                 : }
     529                 : 

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