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Diffstat (limited to '')
-rw-r--r-- | accessible/html/HTMLLinkAccessible.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/accessible/html/HTMLLinkAccessible.h b/accessible/html/HTMLLinkAccessible.h new file mode 100644 index 0000000000..781db3583f --- /dev/null +++ b/accessible/html/HTMLLinkAccessible.h @@ -0,0 +1,60 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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/. */ + +#ifndef mozilla_a11y_HTMLLinkAccessible_h__ +#define mozilla_a11y_HTMLLinkAccessible_h__ + +#include "HyperTextAccessibleWrap.h" + +namespace mozilla { +namespace a11y { + +class HTMLLinkAccessible : public HyperTextAccessibleWrap { + public: + HTMLLinkAccessible(nsIContent* aContent, DocAccessible* aDoc); + + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLLinkAccessible, + HyperTextAccessibleWrap) + + // LocalAccessible + virtual void Value(nsString& aValue) const override; + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; + virtual uint64_t NativeLinkState() const override; + virtual uint64_t NativeInteractiveState() const override; + + // ActionAccessible + virtual bool HasPrimaryAction() const override; + virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override; + + // HyperLinkAccessible + virtual bool IsLink() const override; + + /** + * Returns true if the link has href attribute. + */ + bool IsLinked() const; + + protected: + virtual ~HTMLLinkAccessible() {} + + virtual bool AttributeChangesState(nsAtom* aAttribute) override; + + virtual void DOMAttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute, + int32_t aModType, + const nsAttrValue* aOldValue, + uint64_t aOldState) override; + + enum { eAction_Jump = 0 }; +}; + +inline HTMLLinkAccessible* LocalAccessible::AsHTMLLink() { + return IsHTMLLink() ? static_cast<HTMLLinkAccessible*>(this) : nullptr; +} + +} // namespace a11y +} // namespace mozilla + +#endif |