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