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/* -*- 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() override;
virtual uint64_t NativeState() override;
virtual Relation RelationByType(RelationType aType) override;
void UpdateLabelValue(const nsString& aValue);
protected:
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) 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() override;
virtual uint64_t NativeState() override;
};
/**
* Used for XUL tooltip element.
*/
class XULTooltipAccessible : public LeafAccessible
{
public:
XULTooltipAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual a11y::role NativeRole() override;
virtual uint64_t NativeState() override;
};
class XULLinkAccessible : public XULLabelAccessible
{
public:
XULLinkAccessible(nsIContent* aContent, DocAccessible* aDoc);
// Accessible
virtual void Value(nsString& aValue) override;
virtual a11y::role NativeRole() override;
virtual uint64_t NativeLinkState() const override;
// ActionAccessible
virtual uint8_t ActionCount() override;
virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
virtual bool DoAction(uint8_t aIndex) override;
// HyperLinkAccessible
virtual bool IsLink() override;
virtual uint32_t StartOffset() override;
virtual uint32_t EndOffset() override;
virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex) override;
protected:
virtual ~XULLinkAccessible();
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) override;
enum { eAction_Jump = 0 };
};
} // namespace a11y
} // namespace mozilla
#endif
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