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Diffstat (limited to 'accessible/html/HTMLElementAccessibles.h')
-rw-r--r-- | accessible/html/HTMLElementAccessibles.h | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/accessible/html/HTMLElementAccessibles.h b/accessible/html/HTMLElementAccessibles.h new file mode 100644 index 0000000000..5a3ec6cef8 --- /dev/null +++ b/accessible/html/HTMLElementAccessibles.h @@ -0,0 +1,159 @@ +/* -*- 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_HTMLElementAccessibles_h__ +#define mozilla_a11y_HTMLElementAccessibles_h__ + +#include "BaseAccessibles.h" + +namespace mozilla { +namespace a11y { + +/** + * Used for HTML hr element. + */ +class HTMLHRAccessible : public LeafAccessible { + public: + HTMLHRAccessible(nsIContent* aContent, DocAccessible* aDoc) + : LeafAccessible(aContent, aDoc) {} + + // LocalAccessible + virtual a11y::role NativeRole() const override; +}; + +/** + * Used for HTML br element. + */ +class HTMLBRAccessible : public LeafAccessible { + public: + HTMLBRAccessible(nsIContent* aContent, DocAccessible* aDoc) + : LeafAccessible(aContent, aDoc) { + mType = eHTMLBRType; + mGenericTypes |= eText; + } + + // LocalAccessible + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; + + protected: + // LocalAccessible + virtual ENameValueFlag NativeName(nsString& aName) const override; +}; + +/** + * Used for HTML label element. + */ +class HTMLLabelAccessible : public HyperTextAccessible { + public: + HTMLLabelAccessible(nsIContent* aContent, DocAccessible* aDoc) + : HyperTextAccessible(aContent, aDoc) {} + + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLLabelAccessible, HyperTextAccessible) + + // LocalAccessible + virtual Relation RelationByType(RelationType aType) const override; + + // ActionAccessible + virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override; + virtual bool HasPrimaryAction() const override; + + protected: + virtual ~HTMLLabelAccessible() {} + virtual ENameValueFlag NativeName(nsString& aName) const override; + virtual void DOMAttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute, + int32_t aModType, + const nsAttrValue* aOldValue, + uint64_t aOldState) override; +}; + +/** + * Used for HTML output element. + */ +class HTMLOutputAccessible : public HyperTextAccessible { + public: + HTMLOutputAccessible(nsIContent* aContent, DocAccessible* aDoc) + : HyperTextAccessible(aContent, aDoc) {} + + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLOutputAccessible, + HyperTextAccessible) + + // LocalAccessible + virtual Relation RelationByType(RelationType aType) const override; + + virtual void DOMAttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute, + int32_t aModType, + const nsAttrValue* aOldValue, + uint64_t aOldState) override; + + protected: + virtual ~HTMLOutputAccessible() {} +}; + +/** + * Accessible for the HTML summary element. + */ +class HTMLSummaryAccessible : public HyperTextAccessible { + public: + enum { eAction_Click = 0 }; + + HTMLSummaryAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // Check that the given LocalAccessible belongs to a details frame. + // If so, find and return the accessible for the detail frame's + // main summary. + static HTMLSummaryAccessible* FromDetails(LocalAccessible* aDetails); + + // LocalAccessible + virtual uint64_t NativeState() const override; + + // ActionAccessible + virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override; + virtual bool HasPrimaryAction() const override; + + // Widgets + virtual bool IsWidget() const override; +}; + +/** + * Used for HTML header and footer elements. + */ +class HTMLHeaderOrFooterAccessible : public HyperTextAccessible { + public: + HTMLHeaderOrFooterAccessible(nsIContent* aContent, DocAccessible* aDoc) + : HyperTextAccessible(aContent, aDoc) {} + + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLHeaderOrFooterAccessible, + HyperTextAccessible) + + // LocalAccessible + virtual a11y::role NativeRole() const override; + + protected: + virtual ~HTMLHeaderOrFooterAccessible() {} +}; + +/** + * Used for HTML section element. + */ +class HTMLSectionAccessible : public HyperTextAccessible { + public: + HTMLSectionAccessible(nsIContent* aContent, DocAccessible* aDoc) + : HyperTextAccessible(aContent, aDoc) {} + + NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLSectionAccessible, + HyperTextAccessible) + + // LocalAccessible + virtual a11y::role NativeRole() const override; + + protected: + virtual ~HTMLSectionAccessible() = default; +}; + +} // namespace a11y +} // namespace mozilla + +#endif |