dom/html/HTMLAnchorElement.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_dom_HTMLAnchorElement_h
   8 #define mozilla_dom_HTMLAnchorElement_h
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/dom/Link.h"
  12 #include "nsGenericHTMLElement.h"
  13 #include "nsDOMTokenList.h"
  14
  15 namespace mozilla {
  16 class EventChainPostVisitor;
  17 class EventChainPreVisitor;
  18 namespace dom {
  19
  20 class HTMLAnchorElement final : public nsGenericHTMLElement, public Link {
  21  public:
  22   using Element::GetText;
  23
  24   explicit HTMLAnchorElement(
  25       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
  26       : nsGenericHTMLElement(std::move(aNodeInfo)), Link(this) {}
  27
  28   // nsISupports
  29   NS_DECL_ISUPPORTS_INHERITED
  30
  31   // CC
  32   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLAnchorElement,
  33                                            nsGenericHTMLElement)
  34
  35   NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLAnchorElement, a);
  36
  37   virtual int32_t TabIndexDefault() override;
  38   virtual bool Draggable() const override;
  39
  40   // Element
  41   virtual bool IsInteractiveHTMLContent(bool aIgnoreTabindex) const override;
  42
  43   // DOM memory reporter participant
  44   NS_DECL_ADDSIZEOFEXCLUDINGTHIS
  45
  46   virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
  47   virtual void UnbindFromTree(bool aNullParent = true) override;
  48   virtual bool IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
  49                                int32_t* aTabIndex) override;
  50
  51   void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
  52   MOZ_CAN_RUN_SCRIPT
  53   nsresult PostHandleEvent(EventChainPostVisitor& aVisitor) override;
  54   virtual bool IsLink(nsIURI** aURI) const override;
  55   virtual void GetLinkTarget(nsAString& aTarget) override;
  56   virtual already_AddRefed<nsIURI> GetHrefURI() const override;
  57
  58   virtual nsresult BeforeSetAttr(int32_t aNamespaceID, nsAtom* aName,
  59                                  const nsAttrValueOrString* aValue,
  60                                  bool aNotify) override;
  61   virtual nsresult AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
  62                                 const nsAttrValue* aValue,
  63                                 const nsAttrValue* aOldValue,
  64                                 nsIPrincipal* aSubjectPrincipal,
  65                                 bool aNotify) override;
  66
  67   virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  68
  69   virtual EventStates IntrinsicState() const override;
  70
  71   virtual void OnDNSPrefetchDeferred() override;
  72   virtual void OnDNSPrefetchRequested() override;
  73   virtual bool HasDeferredDNSPrefetchRequest() override;
  74
  75   // WebIDL API
  76
  77   void GetHref(nsAString& aValue) {
  78     GetURIAttr(nsGkAtoms::href, nullptr, aValue);
  79   }
  80   void SetHref(const nsAString& aValue, mozilla::ErrorResult& rv) {
  81     SetHTMLAttr(nsGkAtoms::href, aValue, rv);
  82   }
  83   void GetTarget(nsAString& aValue);
  84   void SetTarget(const nsAString& aValue, mozilla::ErrorResult& rv) {
  85     SetHTMLAttr(nsGkAtoms::target, aValue, rv);
  86   }
  87   void GetDownload(DOMString& aValue) {
  88     GetHTMLAttr(nsGkAtoms::download, aValue);
  89   }
  90   void SetDownload(const nsAString& aValue, mozilla::ErrorResult& rv) {
  91     SetHTMLAttr(nsGkAtoms::download, aValue, rv);
  92   }
  93   void GetPing(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::ping, aValue); }
  94   void SetPing(const nsAString& aValue, mozilla::ErrorResult& rv) {
  95     SetHTMLAttr(nsGkAtoms::ping, aValue, rv);
  96   }
  97   void GetRel(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::rel, aValue); }
  98   void SetRel(const nsAString& aValue, mozilla::ErrorResult& rv) {
  99     SetHTMLAttr(nsGkAtoms::rel, aValue, rv);
 100   }
 101   void SetReferrerPolicy(const nsAString& aValue, mozilla::ErrorResult& rv) {
 102     SetHTMLAttr(nsGkAtoms::referrerpolicy, aValue, rv);
 103   }
 104   void GetReferrerPolicy(DOMString& aPolicy) {
 105     GetEnumAttr(nsGkAtoms::referrerpolicy, EmptyCString().get(), aPolicy);
 106   }
 107   nsDOMTokenList* RelList();
 108   void GetHreflang(DOMString& aValue) {
 109     GetHTMLAttr(nsGkAtoms::hreflang, aValue);
 110   }
 111   void SetHreflang(const nsAString& aValue, mozilla::ErrorResult& rv) {
 112     SetHTMLAttr(nsGkAtoms::hreflang, aValue, rv);
 113   }
 114   // Needed for docshell
 115   void GetType(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
 116   void GetType(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::type, aValue); }
 117   void SetType(const nsAString& aValue, mozilla::ErrorResult& rv) {
 118     SetHTMLAttr(nsGkAtoms::type, aValue, rv);
 119   }
 120   void GetText(nsAString& aValue, mozilla::ErrorResult& rv);
 121   void SetText(const nsAString& aValue, mozilla::ErrorResult& rv);
 122
 123   // Link::GetOrigin is OK for us
 124
 125   // Link::GetProtocol is OK for us
 126   // Link::SetProtocol is OK for us
 127
 128   // Link::GetUsername is OK for us
 129   // Link::SetUsername is OK for us
 130
 131   // Link::GetPassword is OK for us
 132   // Link::SetPassword is OK for us
 133
 134   // Link::Link::GetHost is OK for us
 135   // Link::Link::SetHost is OK for us
 136
 137   // Link::Link::GetHostname is OK for us
 138   // Link::Link::SetHostname is OK for us
 139
 140   // Link::Link::GetPort is OK for us
 141   // Link::Link::SetPort is OK for us
 142
 143   // Link::Link::GetPathname is OK for us
 144   // Link::Link::SetPathname is OK for us
 145
 146   // Link::Link::GetSearch is OK for us
 147   // Link::Link::SetSearch is OK for us
 148
 149   // Link::Link::GetHash is OK for us
 150   // Link::Link::SetHash is OK for us
 151
 152   void GetCoords(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::coords, aValue); }
 153   void SetCoords(const nsAString& aValue, mozilla::ErrorResult& rv) {
 154     SetHTMLAttr(nsGkAtoms::coords, aValue, rv);
 155   }
 156   void GetCharset(DOMString& aValue) {
 157     GetHTMLAttr(nsGkAtoms::charset, aValue);
 158   }
 159   void SetCharset(const nsAString& aValue, mozilla::ErrorResult& rv) {
 160     SetHTMLAttr(nsGkAtoms::charset, aValue, rv);
 161   }
 162   void GetName(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
 163   void GetName(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
 164   void SetName(const nsAString& aValue, mozilla::ErrorResult& rv) {
 165     SetHTMLAttr(nsGkAtoms::name, aValue, rv);
 166   }
 167   void GetRev(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::rev, aValue); }
 168   void SetRev(const nsAString& aValue, mozilla::ErrorResult& rv) {
 169     SetHTMLAttr(nsGkAtoms::rev, aValue, rv);
 170   }
 171   void GetShape(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::shape, aValue); }
 172   void SetShape(const nsAString& aValue, mozilla::ErrorResult& rv) {
 173     SetHTMLAttr(nsGkAtoms::shape, aValue, rv);
 174   }
 175   void Stringify(nsAString& aResult) { GetHref(aResult); }
 176   void ToString(nsAString& aSource);
 177
 178   void NodeInfoChanged(Document* aOldDoc) final {
 179     ClearHasPendingLinkUpdate();
 180     nsGenericHTMLElement::NodeInfoChanged(aOldDoc);
 181   }
 182
 183   static DOMTokenListSupportedToken sSupportedRelValues[];
 184
 185  protected:
 186   virtual ~HTMLAnchorElement();
 187
 188   virtual JSObject* WrapNode(JSContext* aCx,
 189                              JS::Handle<JSObject*> aGivenProto) override;
 190   RefPtr<nsDOMTokenList> mRelList;
 191 };
 192
 193 }  // namespace dom
 194 }  // namespace mozilla
 195
 196 #endif  // mozilla_dom_HTMLAnchorElement_h