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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_ARIAGridAccessible_h_
#define MOZILLA_A11Y_ARIAGridAccessible_h_
#include "HyperTextAccessibleWrap.h"
#include "TableAccessible.h"
#include "TableCellAccessible.h"
namespace mozilla {
namespace a11y {
/**
* Accessible for ARIA grid and treegrid.
*/
class ARIAGridAccessible : public HyperTextAccessibleWrap,
public TableAccessible {
public:
ARIAGridAccessible(nsIContent* aContent, DocAccessible* aDoc);
NS_INLINE_DECL_REFCOUNTING_INHERITED(ARIAGridAccessible,
HyperTextAccessibleWrap)
// Accessible
virtual a11y::role NativeRole() const override;
virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() override;
virtual TableAccessible* AsTable() override { return this; }
// TableAccessible
virtual uint32_t ColCount() const override;
virtual uint32_t RowCount() override;
virtual Accessible* CellAt(uint32_t aRowIndex,
uint32_t aColumnIndex) override;
virtual bool IsColSelected(uint32_t aColIdx) override;
virtual bool IsRowSelected(uint32_t aRowIdx) override;
virtual bool IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx) override;
virtual uint32_t SelectedCellCount() override;
virtual uint32_t SelectedColCount() override;
virtual uint32_t SelectedRowCount() override;
virtual void SelectedCells(nsTArray<Accessible*>* aCells) override;
virtual void SelectedCellIndices(nsTArray<uint32_t>* aCells) override;
virtual void SelectedColIndices(nsTArray<uint32_t>* aCols) override;
virtual void SelectedRowIndices(nsTArray<uint32_t>* aRows) override;
virtual void SelectCol(uint32_t aColIdx) override;
virtual void SelectRow(uint32_t aRowIdx) override;
virtual void UnselectCol(uint32_t aColIdx) override;
virtual void UnselectRow(uint32_t aRowIdx) override;
virtual Accessible* AsAccessible() override { return this; }
protected:
virtual ~ARIAGridAccessible() {}
/**
* Set aria-selected attribute value on DOM node of the given accessible.
*
* @param aAccessible [in] accessible
* @param aIsSelected [in] new value of aria-selected attribute
* @param aNotify [in, optional] specifies if DOM should be notified
* about attribute change (used internally).
*/
nsresult SetARIASelected(Accessible* aAccessible, bool aIsSelected,
bool aNotify = true);
};
/**
* Accessible for ARIA row.
*/
class ARIARowAccessible : public HyperTextAccessibleWrap {
public:
ARIARowAccessible(nsIContent* aContent, DocAccessible* aDoc);
NS_INLINE_DECL_REFCOUNTING_INHERITED(ARIARowAccessible,
HyperTextAccessibleWrap)
// Accessible
virtual a11y::role NativeRole() const override;
virtual mozilla::a11y::GroupPos GroupPosition() override;
protected:
virtual ~ARIARowAccessible() {}
// Accessible
virtual ENameValueFlag NativeName(nsString& aName) const override;
};
/**
* Accessible for ARIA gridcell and rowheader/columnheader.
*/
class ARIAGridCellAccessible : public HyperTextAccessibleWrap,
public TableCellAccessible {
public:
ARIAGridCellAccessible(nsIContent* aContent, DocAccessible* aDoc);
NS_INLINE_DECL_REFCOUNTING_INHERITED(ARIAGridCellAccessible,
HyperTextAccessibleWrap)
// Accessible
virtual a11y::role NativeRole() const override;
virtual TableCellAccessible* AsTableCell() override { return this; }
virtual void ApplyARIAState(uint64_t* aState) const override;
virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() override;
virtual mozilla::a11y::GroupPos GroupPosition() override;
protected:
virtual ~ARIAGridCellAccessible() {}
/**
* Return a containing row.
*/
Accessible* Row() const {
Accessible* row = Parent();
return row && row->IsTableRow() ? row : nullptr;
}
/**
* Return index of the given row.
* Returns -1 upon error.
*/
int32_t RowIndexFor(Accessible* aRow) const;
// TableCellAccessible
virtual TableAccessible* Table() const override;
virtual uint32_t ColIdx() const override;
virtual uint32_t RowIdx() const override;
virtual bool Selected() override;
};
} // namespace a11y
} // namespace mozilla
#endif
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