accessible/html/HTMLLinkAccessible.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef mozilla_a11y_HTMLLinkAccessible_h__
   7 #define mozilla_a11y_HTMLLinkAccessible_h__
   8
   9 #include "HyperTextAccessibleWrap.h"
  10
  11 namespace mozilla {
  12 namespace a11y {
  13
  14 class HTMLLinkAccessible : public HyperTextAccessibleWrap
  15 {
  16 public:
  17   HTMLLinkAccessible(nsIContent* aContent, DocAccessible* aDoc);
  18
  19   NS_DECL_ISUPPORTS_INHERITED
  20
  21   // nsIAccessible
  22   NS_IMETHOD GetActionName(uint8_t aIndex, nsAString& aName);
  23   NS_IMETHOD DoAction(uint8_t aIndex);
  24
  25   // Accessible
  26   virtual void Value(nsString& aValue);
  27   virtual a11y::role NativeRole();
  28   virtual uint64_t NativeState();
  29   virtual uint64_t NativeLinkState() const;
  30   virtual uint64_t NativeInteractiveState() const;
  31
  32   // ActionAccessible
  33   virtual uint8_t ActionCount();
  34
  35   // HyperLinkAccessible
  36   virtual bool IsLink();
  37   virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex);
  38
  39 protected:
  40   virtual ~HTMLLinkAccessible() {}
  41
  42   enum { eAction_Jump = 0 };
  43
  44   /**
  45    * Returns true if the link has href attribute.
  46    */
  47   bool IsLinked();
  48 };
  49
  50 } // namespace a11y
  51 } // namespace mozilla
  52
  53 #endif