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Diffstat (limited to 'accessible/xul/XULElementAccessibles.h')
-rw-r--r-- | accessible/xul/XULElementAccessibles.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/accessible/xul/XULElementAccessibles.h b/accessible/xul/XULElementAccessibles.h new file mode 100644 index 0000000000..6c5bd58f73 --- /dev/null +++ b/accessible/xul/XULElementAccessibles.h @@ -0,0 +1,109 @@ +/* -*- 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_XULElementAccessibles_h__ +#define mozilla_a11y_XULElementAccessibles_h__ + +#include "HyperTextAccessibleWrap.h" +#include "TextLeafAccessibleWrap.h" + +namespace mozilla { +namespace a11y { + +class XULLabelTextLeafAccessible; + +/** + * Used for XUL description and label elements. + */ +class XULLabelAccessible : public HyperTextAccessibleWrap { + public: + XULLabelAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // Accessible + virtual void Shutdown() override; + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; + virtual Relation RelationByType(RelationType aType) const override; + + void UpdateLabelValue(const nsString& aValue); + + protected: + // Accessible + virtual ENameValueFlag NativeName(nsString& aName) const override; + virtual void DispatchClickEvent(nsIContent* aContent, + uint32_t aActionIndex) const override; + + private: + RefPtr<XULLabelTextLeafAccessible> mValueTextLeaf; +}; + +inline XULLabelAccessible* Accessible::AsXULLabel() { + return IsXULLabel() ? static_cast<XULLabelAccessible*>(this) : nullptr; +} + +/** + * Used to implement text interface on XUL label accessible in case when text + * is provided by @value attribute (no underlying text frame). + */ +class XULLabelTextLeafAccessible final : public TextLeafAccessibleWrap { + public: + XULLabelTextLeafAccessible(nsIContent* aContent, DocAccessible* aDoc) + : TextLeafAccessibleWrap(aContent, aDoc) { + mStateFlags |= eSharedNode; + } + + virtual ~XULLabelTextLeafAccessible() {} + + // Accessible + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; +}; + +/** + * Used for XUL tooltip element. + */ +class XULTooltipAccessible : public LeafAccessible { + public: + XULTooltipAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // Accessible + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeState() const override; +}; + +class XULLinkAccessible : public XULLabelAccessible { + public: + XULLinkAccessible(nsIContent* aContent, DocAccessible* aDoc); + + // Accessible + virtual void Value(nsString& aValue) const override; + virtual a11y::role NativeRole() const override; + virtual uint64_t NativeLinkState() const override; + + // ActionAccessible + virtual uint8_t ActionCount() const override; + virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override; + virtual bool DoAction(uint8_t aIndex) const override; + + // HyperLinkAccessible + virtual bool IsLink() const override; + virtual uint32_t StartOffset() override; + virtual uint32_t EndOffset() override; + virtual already_AddRefed<nsIURI> AnchorURIAt( + uint32_t aAnchorIndex) const override; + + protected: + virtual ~XULLinkAccessible(); + + // Accessible + virtual ENameValueFlag NativeName(nsString& aName) const override; + + enum { eAction_Jump = 0 }; +}; + +} // namespace a11y +} // namespace mozilla + +#endif |