Mirror of roytam1's UXP fork just in case Moonchild and Tobin decide to go after him
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=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/. */
#include "ia2AccessibleTable.h"
#include "Accessible2.h"
#include "AccessibleTable_i.c"
#include "AccessibleTable2_i.c"
#include "AccessibleWrap.h"
#include "IUnknownImpl.h"
#include "TableAccessible.h"
#include "nsCOMPtr.h"
#include "nsString.h"
using namespace mozilla::a11y;
// IUnknown
STDMETHODIMP
ia2AccessibleTable::QueryInterface(REFIID iid, void** ppv)
{
if (!ppv)
return E_INVALIDARG;
*ppv = nullptr;
if (IID_IAccessibleTable == iid) {
*ppv = static_cast<IAccessibleTable*>(this);
(reinterpret_cast<IUnknown*>(*ppv))->AddRef();
return S_OK;
}
if (IID_IAccessibleTable2 == iid) {
*ppv = static_cast<IAccessibleTable2*>(this);
(reinterpret_cast<IUnknown*>(*ppv))->AddRef();
return S_OK;
}
return E_NOINTERFACE;
}
////////////////////////////////////////////////////////////////////////////////
// IAccessibleTable
STDMETHODIMP
ia2AccessibleTable::get_accessibleAt(long aRowIdx, long aColIdx,
IUnknown** aAccessible)
{
return get_cellAt(aRowIdx, aColIdx, aAccessible);
}
STDMETHODIMP
ia2AccessibleTable::get_caption(IUnknown** aAccessible)
{
A11Y_TRYBLOCK_BEGIN
if (!aAccessible)
return E_INVALIDARG;
*aAccessible = nullptr;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
AccessibleWrap* caption = static_cast<AccessibleWrap*>(mTable->Caption());
if (!caption)
return S_FALSE;
(*aAccessible = static_cast<IAccessible*>(caption))->AddRef();
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_childIndex(long aRowIdx, long aColIdx,
long* aChildIdx)
{
A11Y_TRYBLOCK_BEGIN
if (!aChildIdx)
return E_INVALIDARG;
*aChildIdx = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aRowIdx < 0 || aColIdx < 0 ||
static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
return E_INVALIDARG;
*aChildIdx = mTable->CellIndexAt(aRowIdx, aColIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_columnDescription(long aColIdx, BSTR* aDescription)
{
A11Y_TRYBLOCK_BEGIN
if (!aDescription)
return E_INVALIDARG;
*aDescription = nullptr;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
return E_INVALIDARG;
nsAutoString descr;
mTable->ColDescription(aColIdx, descr);
if (descr.IsEmpty())
return S_FALSE;
*aDescription = ::SysAllocStringLen(descr.get(), descr.Length());
return *aDescription ? S_OK : E_OUTOFMEMORY;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_columnExtentAt(long aRowIdx, long aColIdx,
long* aSpan)
{
A11Y_TRYBLOCK_BEGIN
if (!aSpan)
return E_INVALIDARG;
*aSpan = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aRowIdx < 0 || aColIdx < 0 ||
static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
return E_INVALIDARG;
*aSpan = mTable->ColExtentAt(aRowIdx, aColIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_columnHeader(IAccessibleTable** aAccessibleTable,
long* aStartingRowIndex)
{
A11Y_TRYBLOCK_BEGIN
if (!aAccessibleTable || !aStartingRowIndex)
return E_INVALIDARG;
*aAccessibleTable = nullptr;
*aStartingRowIndex = -1;
return E_NOTIMPL;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_columnIndex(long aCellIdx, long* aColIdx)
{
A11Y_TRYBLOCK_BEGIN
if (!aColIdx)
return E_INVALIDARG;
*aColIdx = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aCellIdx < 0 ||
static_cast<uint32_t>(aCellIdx) >= mTable->ColCount() * mTable->RowCount())
return E_INVALIDARG;
*aColIdx = mTable->ColIndexAt(aCellIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_nColumns(long* aColCount)
{
A11Y_TRYBLOCK_BEGIN
if (!aColCount)
return E_INVALIDARG;
*aColCount = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
*aColCount = mTable->ColCount();
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_nRows(long* aRowCount)
{
A11Y_TRYBLOCK_BEGIN
if (!aRowCount)
return E_INVALIDARG;
*aRowCount = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
*aRowCount = mTable->RowCount();
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_nSelectedChildren(long* aChildCount)
{
return get_nSelectedCells(aChildCount);
}
STDMETHODIMP
ia2AccessibleTable::get_nSelectedColumns(long* aColCount)
{
A11Y_TRYBLOCK_BEGIN
if (!aColCount)
return E_INVALIDARG;
*aColCount = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
*aColCount = mTable->SelectedColCount();
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_nSelectedRows(long* aRowCount)
{
A11Y_TRYBLOCK_BEGIN
if (!aRowCount)
return E_INVALIDARG;
*aRowCount = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
*aRowCount = mTable->SelectedRowCount();
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_rowDescription(long aRowIdx, BSTR* aDescription)
{
A11Y_TRYBLOCK_BEGIN
if (!aDescription)
return E_INVALIDARG;
*aDescription = nullptr;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
return E_INVALIDARG;
nsAutoString descr;
mTable->RowDescription(aRowIdx, descr);
if (descr.IsEmpty())
return S_FALSE;
*aDescription = ::SysAllocStringLen(descr.get(), descr.Length());
return *aDescription ? S_OK : E_OUTOFMEMORY;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_rowExtentAt(long aRowIdx, long aColIdx, long* aSpan)
{
A11Y_TRYBLOCK_BEGIN
if (!aSpan)
return E_INVALIDARG;
*aSpan = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aRowIdx < 0 || aColIdx < 0 ||
static_cast<uint32_t>(aRowIdx) >= mTable->RowCount() ||
static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
return E_INVALIDARG;
*aSpan = mTable->RowExtentAt(aRowIdx, aColIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_rowHeader(IAccessibleTable** aAccessibleTable,
long* aStartingColumnIndex)
{
A11Y_TRYBLOCK_BEGIN
if (!aAccessibleTable || !aStartingColumnIndex)
return E_INVALIDARG;
*aAccessibleTable = nullptr;
*aStartingColumnIndex = -1;
return E_NOTIMPL;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_rowIndex(long aCellIdx, long* aRowIdx)
{
A11Y_TRYBLOCK_BEGIN
if (!aRowIdx)
return E_INVALIDARG;
*aRowIdx = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aCellIdx < 0 ||
static_cast<uint32_t>(aCellIdx) >= mTable->ColCount() * mTable->RowCount())
return E_INVALIDARG;
*aRowIdx = mTable->RowIndexAt(aCellIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_selectedChildren(long aMaxChildren, long** aChildren,
long* aNChildren)
{
A11Y_TRYBLOCK_BEGIN
if (!aChildren || !aNChildren)
return E_INVALIDARG;
*aChildren = nullptr;
*aNChildren = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
AutoTArray<uint32_t, 30> cellIndices;
mTable->SelectedCellIndices(&cellIndices);
uint32_t maxCells = cellIndices.Length();
if (maxCells == 0)
return S_FALSE;
*aChildren = static_cast<LONG*>(moz_xmalloc(sizeof(LONG) * maxCells));
*aNChildren = maxCells;
for (uint32_t i = 0; i < maxCells; i++)
(*aChildren)[i] = cellIndices[i];
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_selectedColumns(long aMaxColumns, long** aColumns,
long* aNColumns)
{
A11Y_TRYBLOCK_BEGIN
return get_selectedColumns(aColumns, aNColumns);
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_selectedRows(long aMaxRows, long** aRows, long* aNRows)
{
A11Y_TRYBLOCK_BEGIN
return get_selectedRows(aRows, aNRows);
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_summary(IUnknown** aAccessible)
{
A11Y_TRYBLOCK_BEGIN
if (!aAccessible)
return E_INVALIDARG;
// Neither html:table nor xul:tree nor ARIA grid/tree have an ability to
// link an accessible object to specify a summary. There is closes method
// in Table::summary to get a summary as a string which is not mapped
// directly to IAccessible2.
*aAccessible = nullptr;
return S_FALSE;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_isColumnSelected(long aColIdx, boolean* aIsSelected)
{
A11Y_TRYBLOCK_BEGIN
if (!aIsSelected)
return E_INVALIDARG;
*aIsSelected = false;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
return E_INVALIDARG;
*aIsSelected = mTable->IsColSelected(aColIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_isRowSelected(long aRowIdx, boolean* aIsSelected)
{
A11Y_TRYBLOCK_BEGIN
if (!aIsSelected)
return E_INVALIDARG;
*aIsSelected = false;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
return E_INVALIDARG;
*aIsSelected = mTable->IsRowSelected(aRowIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_isSelected(long aRowIdx, long aColIdx,
boolean* aIsSelected)
{
A11Y_TRYBLOCK_BEGIN
if (!aIsSelected)
return E_INVALIDARG;
*aIsSelected = false;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aRowIdx < 0 || aColIdx < 0 ||
static_cast<uint32_t>(aColIdx) >= mTable->ColCount() ||
static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
return E_INVALIDARG;
*aIsSelected = mTable->IsCellSelected(aRowIdx, aColIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::selectRow(long aRowIdx)
{
A11Y_TRYBLOCK_BEGIN
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
return E_INVALIDARG;
mTable->SelectRow(aRowIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::selectColumn(long aColIdx)
{
A11Y_TRYBLOCK_BEGIN
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
return E_INVALIDARG;
mTable->SelectCol(aColIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::unselectRow(long aRowIdx)
{
A11Y_TRYBLOCK_BEGIN
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aRowIdx < 0 || static_cast<uint32_t>(aRowIdx) >= mTable->RowCount())
return E_INVALIDARG;
mTable->UnselectRow(aRowIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::unselectColumn(long aColIdx)
{
A11Y_TRYBLOCK_BEGIN
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aColIdx < 0 || static_cast<uint32_t>(aColIdx) >= mTable->ColCount())
return E_INVALIDARG;
mTable->UnselectCol(aColIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_rowColumnExtentsAtIndex(long aCellIdx, long* aRowIdx,
long* aColIdx,
long* aRowExtents,
long* aColExtents,
boolean* aIsSelected)
{
A11Y_TRYBLOCK_BEGIN
if (!aRowIdx || !aColIdx || !aRowExtents || !aColExtents || !aIsSelected)
return E_INVALIDARG;
*aRowIdx = 0;
*aColIdx = 0;
*aRowExtents = 0;
*aColExtents = 0;
*aIsSelected = false;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
if (aCellIdx < 0 ||
static_cast<uint32_t>(aCellIdx) >= mTable->ColCount() * mTable->RowCount())
return E_INVALIDARG;
int32_t colIdx = 0, rowIdx = 0;
mTable->RowAndColIndicesAt(aCellIdx, &rowIdx, &colIdx);
*aRowIdx = rowIdx;
*aColIdx = colIdx;
*aRowExtents = mTable->RowExtentAt(rowIdx, colIdx);
*aColExtents = mTable->ColExtentAt(rowIdx, colIdx);
*aIsSelected = mTable->IsCellSelected(rowIdx, colIdx);
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_modelChange(IA2TableModelChange* aModelChange)
{
return E_NOTIMPL;
}
////////////////////////////////////////////////////////////////////////////////
// IAccessibleTable2
STDMETHODIMP
ia2AccessibleTable::get_cellAt(long aRowIdx, long aColIdx, IUnknown** aCell)
{
A11Y_TRYBLOCK_BEGIN
if (!aCell)
return E_INVALIDARG;
*aCell = nullptr;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
AccessibleWrap* cell =
static_cast<AccessibleWrap*>(mTable->CellAt(aRowIdx, aColIdx));
if (!cell)
return E_INVALIDARG;
(*aCell = static_cast<IAccessible*>(cell))->AddRef();
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_nSelectedCells(long* aCellCount)
{
A11Y_TRYBLOCK_BEGIN
if (!aCellCount)
return E_INVALIDARG;
*aCellCount = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
*aCellCount = mTable->SelectedCellCount();
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_selectedCells(IUnknown*** aCells, long* aNSelectedCells)
{
A11Y_TRYBLOCK_BEGIN
if (!aCells || !aNSelectedCells)
return E_INVALIDARG;
*aCells = nullptr;
*aNSelectedCells = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
AutoTArray<Accessible*, 30> cells;
mTable->SelectedCells(&cells);
if (cells.IsEmpty())
return S_FALSE;
*aCells =
static_cast<IUnknown**>(::CoTaskMemAlloc(sizeof(IUnknown*) *
cells.Length()));
if (!*aCells)
return E_OUTOFMEMORY;
for (uint32_t i = 0; i < cells.Length(); i++) {
(*aCells)[i] =
static_cast<IAccessible*>(static_cast<AccessibleWrap*>(cells[i]));
((*aCells)[i])->AddRef();
}
*aNSelectedCells = cells.Length();
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_selectedColumns(long** aColumns, long* aNColumns)
{
A11Y_TRYBLOCK_BEGIN
if (!aColumns || !aNColumns)
return E_INVALIDARG;
*aColumns = nullptr;
*aNColumns = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
AutoTArray<uint32_t, 30> colIndices;
mTable->SelectedColIndices(&colIndices);
uint32_t maxCols = colIndices.Length();
if (maxCols == 0)
return S_FALSE;
*aColumns = static_cast<LONG*>(moz_xmalloc(sizeof(LONG) * maxCols));
*aNColumns = maxCols;
for (uint32_t i = 0; i < maxCols; i++)
(*aColumns)[i] = colIndices[i];
return S_OK;
A11Y_TRYBLOCK_END
}
STDMETHODIMP
ia2AccessibleTable::get_selectedRows(long** aRows, long* aNRows)
{
A11Y_TRYBLOCK_BEGIN
if (!aRows || !aNRows)
return E_INVALIDARG;
*aRows = nullptr;
*aNRows = 0;
if (!mTable)
return CO_E_OBJNOTCONNECTED;
AutoTArray<uint32_t, 30> rowIndices;
mTable->SelectedRowIndices(&rowIndices);
uint32_t maxRows = rowIndices.Length();
if (maxRows == 0)
return S_FALSE;
*aRows = static_cast<LONG*>(moz_xmalloc(sizeof(LONG) * maxRows));
*aNRows = maxRows;
for (uint32_t i = 0; i < maxRows; i++)
(*aRows)[i] = rowIndices[i];
return S_OK;
A11Y_TRYBLOCK_END
}