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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_HTMLTableAccessible_h__
#define mozilla_a11y_HTMLTableAccessible_h__
#include "HyperTextAccessibleWrap.h"
#include "TableAccessible.h"
#include "TableCellAccessible.h"
class nsITableCellLayout;
class nsTableCellFrame;
class nsTableWrapperFrame;
namespace mozilla {
enum class TableSelectionMode : uint32_t;
namespace a11y {
/**
* HTML table cell accessible (html:td).
*/
class HTMLTableCellAccessible : public HyperTextAccessibleWrap,
public TableCellAccessible {
public:
HTMLTableCellAccessible(nsIContent* aContent, DocAccessible* aDoc);
// nsISupports
NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLTableCellAccessible,
HyperTextAccessibleWrap)
// LocalAccessible
virtual TableCellAccessible* AsTableCell() override { return this; }
virtual a11y::role NativeRole() const override;
virtual uint64_t NativeState() const override;
virtual uint64_t NativeInteractiveState() const override;
virtual already_AddRefed<AccAttributes> NativeAttributes() override;
protected:
virtual void DOMAttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
int32_t aModType,
const nsAttrValue* aOldValue,
uint64_t aOldState) override;
// TableCellAccessible
public:
virtual TableAccessible* Table() const override;
virtual uint32_t ColIdx() const override;
virtual uint32_t RowIdx() const override;
virtual uint32_t ColExtent() const override;
virtual uint32_t RowExtent() const override;
virtual void ColHeaderCells(nsTArray<Accessible*>* aCells) override;
virtual void RowHeaderCells(nsTArray<Accessible*>* aCells) override;
virtual bool Selected() override;
protected:
virtual ~HTMLTableCellAccessible() {}
/**
* Return nsITableCellLayout of the table cell frame.
*/
nsITableCellLayout* GetCellLayout() const;
/**
* Return the table cell frame.
*/
nsTableCellFrame* GetCellFrame() const;
/**
* Return row and column indices of the cell.
*/
nsresult GetCellIndexes(int32_t& aRowIdx, int32_t& aColIdx) const;
};
/**
* HTML table row/column header accessible (html:th or html:td@scope).
*/
class HTMLTableHeaderCellAccessible : public HTMLTableCellAccessible {
public:
HTMLTableHeaderCellAccessible(nsIContent* aContent, DocAccessible* aDoc);
// LocalAccessible
virtual a11y::role NativeRole() const override;
};
/**
* HTML table row accessible (html:tr).
*/
class HTMLTableRowAccessible : public HyperTextAccessibleWrap {
public:
HTMLTableRowAccessible(nsIContent* aContent, DocAccessible* aDoc)
: HyperTextAccessibleWrap(aContent, aDoc) {
mType = eHTMLTableRowType;
mGenericTypes |= eTableRow;
}
NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLTableRowAccessible,
HyperTextAccessibleWrap)
// LocalAccessible
virtual a11y::role NativeRole() const override;
protected:
virtual ~HTMLTableRowAccessible() {}
// LocalAccessible
virtual ENameValueFlag NativeName(nsString& aName) const override;
};
/**
* HTML table accessible (html:table).
*/
// To turn on table debugging descriptions define SHOW_LAYOUT_HEURISTIC
// This allow release trunk builds to be used by testers to refine the
// data vs. layout heuristic
// #define SHOW_LAYOUT_HEURISTIC
class HTMLTableAccessible : public HyperTextAccessibleWrap,
public TableAccessible {
public:
HTMLTableAccessible(nsIContent* aContent, DocAccessible* aDoc)
: HyperTextAccessibleWrap(aContent, aDoc) {
mType = eHTMLTableType;
mGenericTypes |= eTable;
}
NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLTableAccessible,
HyperTextAccessibleWrap)
// TableAccessible
virtual LocalAccessible* Caption() const override;
virtual void Summary(nsString& aSummary) override;
virtual uint32_t ColCount() const override;
virtual uint32_t RowCount() override;
virtual LocalAccessible* CellAt(uint32_t aRowIndex,
uint32_t aColumnIndex) override;
virtual int32_t CellIndexAt(uint32_t aRowIdx, uint32_t aColIdx) override;
virtual int32_t ColIndexAt(uint32_t aCellIdx) override;
virtual int32_t RowIndexAt(uint32_t aCellIdx) override;
virtual void RowAndColIndicesAt(uint32_t aCellIdx, int32_t* aRowIdx,
int32_t* aColIdx) override;
virtual uint32_t ColExtentAt(uint32_t aRowIdx, uint32_t aColIdx) override;
virtual uint32_t RowExtentAt(uint32_t aRowIdx, uint32_t aColIdx) 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 LocalAccessible* AsAccessible() override { return this; }
// LocalAccessible
virtual TableAccessible* AsTable() override { return this; }
virtual void Description(nsString& aDescription) const override;
virtual a11y::role NativeRole() const override;
virtual uint64_t NativeState() const override;
virtual already_AddRefed<AccAttributes> NativeAttributes() override;
virtual Relation RelationByType(RelationType aRelationType) const override;
virtual bool InsertChildAt(uint32_t aIndex, LocalAccessible* aChild) override;
protected:
virtual ~HTMLTableAccessible() {}
// LocalAccessible
virtual ENameValueFlag NativeName(nsString& aName) const override;
virtual void DOMAttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
int32_t aModType,
const nsAttrValue* aOldValue,
uint64_t aOldState) override;
// HTMLTableAccessible
/**
* Add row or column to selection.
*
* @param aIndex [in] index of row or column to be selected
* @param aTarget [in] indicates what should be selected, either row or
* column (see nsFrameSelection)
*/
nsresult AddRowOrColumnToSelection(int32_t aIndex,
TableSelectionMode aTarget);
/**
* Removes rows or columns at the given index or outside it from selection.
*
* @param aIndex [in] row or column index
* @param aTarget [in] indicates whether row or column should unselected
* @param aIsOuter [in] indicates whether all rows or column excepting
* the given one should be unselected or the given one
* should be unselected only
*/
nsresult RemoveRowsOrColumnsFromSelection(int32_t aIndex,
TableSelectionMode aTarget,
bool aIsOuter);
#ifdef SHOW_LAYOUT_HEURISTIC
nsString mLayoutHeuristic;
#endif
private:
/**
* Get table wrapper frame, or return null if there is no inner table.
*/
nsTableWrapperFrame* GetTableWrapperFrame() const;
};
/**
* HTML caption accessible (html:caption).
*/
class HTMLCaptionAccessible : public HyperTextAccessibleWrap {
public:
HTMLCaptionAccessible(nsIContent* aContent, DocAccessible* aDoc)
: HyperTextAccessibleWrap(aContent, aDoc) {
mType = eHTMLCaptionType;
}
// LocalAccessible
virtual a11y::role NativeRole() const override;
virtual Relation RelationByType(RelationType aRelationType) const override;
protected:
virtual ~HTMLCaptionAccessible() {}
};
} // namespace a11y
} // namespace mozilla
#endif