1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/accessible/src/generic/ARIAGridAccessible.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,150 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef MOZILLA_A11Y_ARIAGridAccessible_h_
1.10 +#define MOZILLA_A11Y_ARIAGridAccessible_h_
1.11 +
1.12 +#include "nsIAccessibleTable.h"
1.13 +
1.14 +#include "HyperTextAccessibleWrap.h"
1.15 +#include "TableAccessible.h"
1.16 +#include "TableCellAccessible.h"
1.17 +#include "xpcAccessibleTable.h"
1.18 +#include "xpcAccessibleTableCell.h"
1.19 +
1.20 +namespace mozilla {
1.21 +namespace a11y {
1.22 +
1.23 +/**
1.24 + * Accessible for ARIA grid and treegrid.
1.25 + */
1.26 +class ARIAGridAccessible : public AccessibleWrap,
1.27 + public xpcAccessibleTable,
1.28 + public nsIAccessibleTable,
1.29 + public TableAccessible
1.30 +{
1.31 +public:
1.32 + ARIAGridAccessible(nsIContent* aContent, DocAccessible* aDoc);
1.33 +
1.34 + // nsISupports
1.35 + NS_DECL_ISUPPORTS_INHERITED
1.36 +
1.37 + // nsIAccessibleTable
1.38 + NS_FORWARD_NSIACCESSIBLETABLE(xpcAccessibleTable::)
1.39 +
1.40 + // Accessible
1.41 + virtual TableAccessible* AsTable() { return this; }
1.42 + virtual void Shutdown();
1.43 +
1.44 + // TableAccessible
1.45 + virtual uint32_t ColCount();
1.46 + virtual uint32_t RowCount();
1.47 + virtual Accessible* CellAt(uint32_t aRowIndex, uint32_t aColumnIndex);
1.48 + virtual bool IsColSelected(uint32_t aColIdx);
1.49 + virtual bool IsRowSelected(uint32_t aRowIdx);
1.50 + virtual bool IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx);
1.51 + virtual uint32_t SelectedCellCount();
1.52 + virtual uint32_t SelectedColCount();
1.53 + virtual uint32_t SelectedRowCount();
1.54 + virtual void SelectedCells(nsTArray<Accessible*>* aCells);
1.55 + virtual void SelectedCellIndices(nsTArray<uint32_t>* aCells);
1.56 + virtual void SelectedColIndices(nsTArray<uint32_t>* aCols);
1.57 + virtual void SelectedRowIndices(nsTArray<uint32_t>* aRows);
1.58 + virtual void SelectCol(uint32_t aColIdx);
1.59 + virtual void SelectRow(uint32_t aRowIdx);
1.60 + virtual void UnselectCol(uint32_t aColIdx);
1.61 + virtual void UnselectRow(uint32_t aRowIdx);
1.62 + virtual Accessible* AsAccessible() { return this; }
1.63 +
1.64 +protected:
1.65 +
1.66 + /**
1.67 + * Return true if the given row index is valid.
1.68 + */
1.69 + bool IsValidRow(int32_t aRow);
1.70 +
1.71 + /**
1.72 + * Retrn true if the given column index is valid.
1.73 + */
1.74 + bool IsValidColumn(int32_t aColumn);
1.75 +
1.76 + /**
1.77 + * Return row accessible at the given row index.
1.78 + */
1.79 + Accessible* GetRowAt(int32_t aRow);
1.80 +
1.81 + /**
1.82 + * Return cell accessible at the given column index in the row.
1.83 + */
1.84 + Accessible* GetCellInRowAt(Accessible* aRow, int32_t aColumn);
1.85 +
1.86 + /**
1.87 + * Set aria-selected attribute value on DOM node of the given accessible.
1.88 + *
1.89 + * @param aAccessible [in] accessible
1.90 + * @param aIsSelected [in] new value of aria-selected attribute
1.91 + * @param aNotify [in, optional] specifies if DOM should be notified
1.92 + * about attribute change (used internally).
1.93 + */
1.94 + nsresult SetARIASelected(Accessible* aAccessible, bool aIsSelected,
1.95 + bool aNotify = true);
1.96 +};
1.97 +
1.98 +
1.99 +/**
1.100 + * Accessible for ARIA gridcell and rowheader/columnheader.
1.101 + */
1.102 +class ARIAGridCellAccessible : public HyperTextAccessibleWrap,
1.103 + public nsIAccessibleTableCell,
1.104 + public TableCellAccessible,
1.105 + public xpcAccessibleTableCell
1.106 +{
1.107 +public:
1.108 + ARIAGridCellAccessible(nsIContent* aContent, DocAccessible* aDoc);
1.109 +
1.110 + // nsISupports
1.111 + NS_DECL_ISUPPORTS_INHERITED
1.112 +
1.113 + // nsIAccessibleTableCell
1.114 + NS_FORWARD_NSIACCESSIBLETABLECELL(xpcAccessibleTableCell::)
1.115 +
1.116 + // Accessible
1.117 + virtual TableCellAccessible* AsTableCell() { return this; }
1.118 + virtual void Shutdown();
1.119 + virtual void ApplyARIAState(uint64_t* aState) const;
1.120 + virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE;
1.121 +
1.122 +protected:
1.123 +
1.124 + /**
1.125 + * Return a containing row.
1.126 + */
1.127 + Accessible* Row() const
1.128 + {
1.129 + Accessible* row = Parent();
1.130 + return row && row->Role() == roles::ROW ? row : nullptr;
1.131 + }
1.132 +
1.133 + /**
1.134 + * Return a table for the given row.
1.135 + */
1.136 + Accessible* TableFor(Accessible* aRow) const;
1.137 +
1.138 + /**
1.139 + * Return index of the given row.
1.140 + */
1.141 + int32_t RowIndexFor(Accessible* aRow) const;
1.142 +
1.143 + // TableCellAccessible
1.144 + virtual TableAccessible* Table() const MOZ_OVERRIDE;
1.145 + virtual uint32_t ColIdx() const MOZ_OVERRIDE;
1.146 + virtual uint32_t RowIdx() const MOZ_OVERRIDE;
1.147 + virtual bool Selected() MOZ_OVERRIDE;
1.148 +};
1.149 +
1.150 +} // namespace a11y
1.151 +} // namespace mozilla
1.152 +
1.153 +#endif
