/* -*- 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 AccessibleWrap, public TableAccessible { public: ARIAGridAccessible(nsIContent* aContent, DocAccessible* aDoc); NS_DECL_ISUPPORTS_INHERITED // Accessible virtual TableAccessible* AsTable() override { return this; } // TableAccessible virtual uint32_t ColCount() 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() {} /** * Return row accessible at the given row index. */ Accessible* GetRowAt(int32_t aRow); /** * Return cell accessible at the given column index in the row. */ Accessible* GetCellInRowAt(Accessible* aRow, int32_t aColumn); /** * 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 AccessibleWrap { public: ARIARowAccessible(nsIContent* aContent, DocAccessible* aDoc); NS_DECL_ISUPPORTS_INHERITED // Accessible virtual mozilla::a11y::GroupPos GroupPosition() override; protected: virtual ~ARIARowAccessible() {} }; /** * Accessible for ARIA gridcell and rowheader/columnheader. */ class ARIAGridCellAccessible : public HyperTextAccessibleWrap, public TableCellAccessible { public: ARIAGridCellAccessible(nsIContent* aContent, DocAccessible* aDoc); NS_DECL_ISUPPORTS_INHERITED // Accessible 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. */ 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