зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.9 KiB
C++
63 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_HTMLLinkAccessible_h__
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#define mozilla_a11y_HTMLLinkAccessible_h__
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#include "HyperTextAccessibleWrap.h"
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namespace mozilla {
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namespace a11y {
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class HTMLLinkAccessible : public HyperTextAccessibleWrap {
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public:
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HTMLLinkAccessible(nsIContent* aContent, DocAccessible* aDoc);
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NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLLinkAccessible,
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HyperTextAccessibleWrap)
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// LocalAccessible
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virtual void Value(nsString& aValue) const override;
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virtual a11y::role NativeRole() const override;
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virtual uint64_t NativeState() const override;
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virtual uint64_t NativeLinkState() const override;
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virtual uint64_t NativeInteractiveState() const override;
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// ActionAccessible
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virtual bool HasPrimaryAction() const override;
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virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
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// HyperLinkAccessible
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virtual bool IsLink() const override;
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virtual already_AddRefed<nsIURI> AnchorURIAt(
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uint32_t aAnchorIndex) const override;
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/**
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* Returns true if the link has href attribute.
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*/
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bool IsLinked() const;
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protected:
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virtual ~HTMLLinkAccessible() {}
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virtual bool AttributeChangesState(nsAtom* aAttribute) override;
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virtual void DOMAttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
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int32_t aModType,
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const nsAttrValue* aOldValue,
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uint64_t aOldState) override;
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enum { eAction_Jump = 0 };
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};
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inline HTMLLinkAccessible* LocalAccessible::AsHTMLLink() {
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return IsHTMLLink() ? static_cast<HTMLLinkAccessible*>(this) : nullptr;
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}
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} // namespace a11y
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} // namespace mozilla
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#endif
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