diff options
Diffstat (limited to 'accessible/windows/ia2/ia2AccessibleTable.cpp')
| -rw-r--r-- | accessible/windows/ia2/ia2AccessibleTable.cpp | 747 |
1 files changed, 747 insertions, 0 deletions
diff --git a/accessible/windows/ia2/ia2AccessibleTable.cpp b/accessible/windows/ia2/ia2AccessibleTable.cpp new file mode 100644 index 000000000..6ac6bbab4 --- /dev/null +++ b/accessible/windows/ia2/ia2AccessibleTable.cpp @@ -0,0 +1,747 @@ +/* -*- 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 "Statistics.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) { + statistics::IAccessibleTableUsed(); + *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 +} |