diff options
Diffstat (limited to 'winaccessibility/source/UAccCOM/AccTable.cxx')
| -rw-r--r-- | winaccessibility/source/UAccCOM/AccTable.cxx | 1078 |
1 files changed, 1078 insertions, 0 deletions
diff --git a/winaccessibility/source/UAccCOM/AccTable.cxx b/winaccessibility/source/UAccCOM/AccTable.cxx new file mode 100644 index 0000000000..a158cf7066 --- /dev/null +++ b/winaccessibility/source/UAccCOM/AccTable.cxx @@ -0,0 +1,1078 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +/** + * AccTable.cpp : Implementation of CAccTable. + */ +#include "stdafx.h" +#include <UAccCOM.h> +#include "AccTable.h" + +#include <sal/log.hxx> +#include <vcl/svapp.hxx> +#include <o3tl/char16_t2wchar_t.hxx> + +#include <com/sun/star/accessibility/XAccessible.hpp> +#include "MAccessible.h" + +#include <com/sun/star/accessibility/XAccessibleTableSelection.hpp> + +using namespace com::sun::star::accessibility; +using namespace com::sun::star::uno; +/** + * Gets accessible table cell. + * + * @param row the row of the specified cell. + * @param column the column of the specified cell. + * @param accessible the accessible object of the cell. + */ + +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_accessibleAt(long row, long column, IUnknown * * accessible) +{ + SolarMutexGuard g; + + try { + + if(accessible == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessible> pRAcc = pRXTable->getAccessibleCellAt(row, column); + + if(!pRAcc.is()) + { + *accessible = nullptr; + return E_FAIL; + } + + IAccessible* pRet = CMAccessible::get_IAccessibleFromXAccessible(pRAcc.get()); + if (pRet) + { + *accessible = pRet; + pRet->AddRef(); + return S_OK; + } + else if(pRAcc.is()) + { + Reference<XAccessible> pxTable(pRXTable, UNO_QUERY); + + CMAccessible::g_pAccObjectManager->InsertAccObj(pRAcc.get(),pxTable.get()); + pRet = CMAccessible::get_IAccessibleFromXAccessible(pRAcc.get()); + + if (pRet) + { + *accessible = pRet; + pRet->AddRef(); + return S_OK; + } + } + return E_FAIL; + + } catch(...) { return E_FAIL; } +} + +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_cellAt(long row, long column, IUnknown * * cell) +{ + return get_accessibleAt(row, column, cell); +} + +/** + * Gets accessible table caption. + * + * @param accessible the accessible object of table caption. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_caption(IUnknown * *) +{ + return E_NOTIMPL; +} + +/** + * Gets accessible column description (as string). + * + * @param column the column index. + * @param description the description of the specified column. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_columnDescription(long column, BSTR * description) +{ + SolarMutexGuard g; + + try { + + if(description == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + const OUString& ouStr = pRXTable->getAccessibleColumnDescription(column); + + SysFreeString(*description); + *description = SysAllocString(o3tl::toW(ouStr.getStr())); + if (*description==nullptr) + return E_FAIL; + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets number of columns spanned by table cell. + * + * @param row the row of the specified cell. + * @param column the column of the specified cell. + * @param spanColumns the column span of the specified cell. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_columnExtentAt(long row, long column, long * nColumnsSpanned) +{ + SolarMutexGuard g; + + try { + + // Check pointer. + if(nColumnsSpanned == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *nColumnsSpanned = pRXTable->getAccessibleColumnExtentAt(row, column); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets accessible column header. + * + * @param column the column index. + * @param accessible the accessible object of the specified column. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_columnHeader(IAccessibleTable __RPC_FAR *__RPC_FAR *accessibleTable, long *startingRowIndex) +{ + SolarMutexGuard g; + + try { + + if(accessibleTable == nullptr || startingRowIndex == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleTable> pRColumnHeaderTable = pRXTable->getAccessibleColumnHeaders(); + if(!pRColumnHeaderTable.is()) + { + *accessibleTable = nullptr; + return E_FAIL; + } + + Reference<XAccessible> pRXColumnHeader(pRColumnHeaderTable,UNO_QUERY); + + if(!pRXColumnHeader.is()) + { + *accessibleTable = nullptr; + return E_FAIL; + } + *startingRowIndex = 0 ; + + IMAccessible* pIMacc = nullptr; + HRESULT hr = createInstance<CMAccessible>(IID_IMAccessible, &pIMacc); + if (!SUCCEEDED(hr)) + { + return E_FAIL; + } + pIMacc->SetXAccessible( + reinterpret_cast<hyper>(pRXColumnHeader.get())); + pIMacc->QueryInterface(IID_IAccessibleTable,reinterpret_cast<void **>(accessibleTable)); + + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets total number of columns in table. + * + * @param columnCount the number of columns in table. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_nColumns(long * columnCount) +{ + SolarMutexGuard g; + + try { + + if(columnCount == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *columnCount = pRXTable->getAccessibleColumnCount(); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets total number of rows in table. + * + * @param rowCount the number of rows in table. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_nRows(long * rowCount) +{ + SolarMutexGuard g; + + try { + + if(rowCount == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *rowCount = pRXTable->getAccessibleRowCount(); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets total number of selected columns. + * + * @param columnCount the number of selected columns. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_nSelectedColumns(long * columnCount) +{ + SolarMutexGuard g; + + try { + + if(columnCount == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Sequence<long> pSelected = pRXTable->getSelectedAccessibleColumns(); + *columnCount = pSelected.getLength(); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets total number of selected rows. + * + * @param rowCount the number of selected rows. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_nSelectedRows(long * rowCount) +{ + SolarMutexGuard g; + + try { + + if(rowCount == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Sequence<long> pSelected = pRXTable->getSelectedAccessibleRows(); + *rowCount = pSelected.getLength(); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets accessible row description (as string). + * + * @param row the row index. + * @param description the description of the specified row. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_rowDescription(long row, BSTR * description) +{ + SolarMutexGuard g; + + try { + + if(description == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + const OUString& ouStr = pRXTable->getAccessibleRowDescription(row); + + SysFreeString(*description); + *description = SysAllocString(o3tl::toW(ouStr.getStr())); + if (*description==nullptr) + return E_FAIL; + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets number of rows spanned by a table cell. + * + * @param row the row of the specified cell. + * @param column the column of the specified cell. + * @param spanRows the row span of the specified cell. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_rowExtentAt(long row, long column, long * nRowsSpanned) +{ + SolarMutexGuard g; + + try { + + // Check pointer. + if(nRowsSpanned == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *nRowsSpanned= pRXTable->getAccessibleRowExtentAt(row, column); + + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets accessible row header. + * + * @param row the row index. + * @param accessible the accessible object of the row header. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_rowHeader(IAccessibleTable __RPC_FAR *__RPC_FAR *accessibleTable, long *startingColumnIndex) +{ + SolarMutexGuard g; + + try { + + if(accessibleTable == nullptr || startingColumnIndex == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleTable> pRRowHeaderTable = pRXTable->getAccessibleRowHeaders(); + if(!pRRowHeaderTable.is()) + { + *accessibleTable = nullptr; + return E_FAIL; + } + + Reference<XAccessible> pRXRowHeader(pRRowHeaderTable,UNO_QUERY); + + if(!pRXRowHeader.is()) + { + *accessibleTable = nullptr; + return E_FAIL; + } + *startingColumnIndex = 0 ; + + IMAccessible* pIMacc = nullptr; + HRESULT hr = createInstance<CMAccessible>(IID_IMAccessible, &pIMacc); + if (!SUCCEEDED(hr)) + { + return E_FAIL; + } + pIMacc->SetXAccessible( + reinterpret_cast<hyper>(pRXRowHeader.get())); + pIMacc->QueryInterface(IID_IAccessibleTable,reinterpret_cast<void **>(accessibleTable)); + + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets list of row indexes currently selected (0-based). + * + * @param accessible the accessible object array of the selected rows. + * @param nRows the actual size of the accessible object array. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_selectedRows(long** rows, long* nRows) +{ + SolarMutexGuard g; + + try { + + if(rows == nullptr || nRows == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Sequence<long> pSelected = pRXTable->getSelectedAccessibleRows(); + long count = pSelected.getLength() ; + *nRows = count; + + *rows = static_cast<long*>(CoTaskMemAlloc(count * sizeof(long))); + // #CHECK Memory Allocation# + if(*rows == nullptr) + { + return E_FAIL; + } + for(int i=0; i<count; i++) + (*rows)[i] = pSelected[i]; + + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets list of row indexes currently selected (0-based). + * + * @param maxRows This parameter is ignored. + * @param accessible the accessible object array of the selected rows. + * @param nRows the actual size of the accessible object array. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_selectedRows(long, long ** rows, long * nRows) +{ + return get_selectedRows(rows, nRows); +} + +/** + * Gets list of column indexes currently selected (0-based). + * + * @param accessible the accessible object array of the selected columns. + * @param numColumns the actual size of accessible object array. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_selectedColumns(long ** columns, long * numColumns) +{ + SolarMutexGuard g; + + try { + + if(columns == nullptr || numColumns == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Sequence<long> pSelected = pRXTable->getSelectedAccessibleColumns(); + long count = pSelected.getLength() ; + *numColumns = count; + + *columns = static_cast<long*>(CoTaskMemAlloc(count * sizeof(long))); + // #CHECK Memory Allocation# + if(*columns == nullptr) + { + return E_FAIL; + } + for(int i=0; i<count; i++) + (*columns)[i] = pSelected[i]; + + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets list of column indexes currently selected (0-based). + * + * @param maxColumns This parameter is ignored + * @param accessible the accessible object array of the selected columns. + * @param numColumns the actual size of accessible object array. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_selectedColumns(long, long ** columns, long * numColumns) +{ + return get_selectedColumns(columns, numColumns); +} + +/** + * Gets accessible table summary. + * + * @param accessible the accessible object of the summary. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_summary(IUnknown * * accessible) +{ + SolarMutexGuard g; + + try { + + if(accessible == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessible> pRAcc = pRXTable->getAccessibleSummary(); + + IAccessible* pRet = CMAccessible::get_IAccessibleFromXAccessible(pRAcc.get()); + + if(pRet) + { + *accessible = pRet; + pRet->AddRef(); + return S_OK; + } + + return E_FAIL; + + } catch(...) { return E_FAIL; } +} + +/** + * Determines if table column is selected. + * + * @param column the column index. + * @param isSelected the result. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_isColumnSelected(long column, boolean * isSelected) +{ + SolarMutexGuard g; + + try { + + if(isSelected == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *isSelected = pRXTable->isAccessibleColumnSelected(column); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Determines if table row is selected. + * + * @param row the row index. + * @param isSelected the result. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_isRowSelected(long row, boolean * isSelected) +{ + SolarMutexGuard g; + + try { + + if(isSelected == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *isSelected = pRXTable->isAccessibleRowSelected(row); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Determines if table cell is selected. + * + * @param row the row index. + * @param column the column index. + * @param isSelected the result. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_isSelected(long row, long column, boolean * isSelected) +{ + SolarMutexGuard g; + + try { + + if(isSelected == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *isSelected = pRXTable->isAccessibleSelected(row, column); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Selects a row and unselect all previously selected rows. + * + * @param row the row index. + * @param success the result. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::selectRow(long row) +{ + SolarMutexGuard g; + + try { + + // Check XAccessibleTable reference. + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleTableSelection> pRTableExtent(pRXTable, UNO_QUERY); + if(pRTableExtent.is()) + { + pRTableExtent->selectRow(row); + return S_OK; + } + else + { + // Get XAccessibleSelection. + Reference<XAccessibleSelection> pRSelection(pRXTable, UNO_QUERY); + if(!pRSelection.is()) + return E_FAIL; + + // Select row. + long lCol, lColumnCount; + lColumnCount = pRXTable->getAccessibleColumnCount(); + for(lCol = 0; lCol < lColumnCount; lCol ++) + { + sal_Int64 nChildIndex = pRXTable->getAccessibleIndex(row, lCol); + pRSelection->selectAccessibleChild(nChildIndex); + } + + return S_OK; + } + + } catch(...) { return E_FAIL; } +} + +/** + * Selects a column and unselect all previously selected columns. + * + * @param column the column index. + * @param success the result. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::selectColumn(long column) +{ + SolarMutexGuard g; + + try { + + // Check XAccessibleTable reference. + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleTableSelection> pRTableExtent(pRXTable, UNO_QUERY); + if(pRTableExtent.is()) + { + pRTableExtent->selectColumn(column); + return S_OK; + } + else + { + // Get XAccessibleSelection. + Reference<XAccessibleSelection> pRSelection(pRXTable, UNO_QUERY); + if(!pRSelection.is()) + return E_FAIL; + + // Select column. + long lRow, lRowCount; + lRowCount = pRXTable->getAccessibleRowCount(); + for(lRow = 0; lRow < lRowCount; lRow ++) + { + sal_Int64 nChildIndex = pRXTable->getAccessibleIndex(lRow, column); + pRSelection->selectAccessibleChild(nChildIndex); + } + + return S_OK; + } + // End of added. + + } catch(...) { return E_FAIL; } +} + +/** + * Unselects one row, leaving other selected rows selected (if any). + * + * @param row the row index. + * @param success the result. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::unselectRow(long row) +{ + SolarMutexGuard g; + + try { + + // Check XAccessibleTable reference. + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleTableSelection> pRTableExtent(pRXTable, UNO_QUERY); + if(pRTableExtent.is()) + { + if(pRTableExtent->unselectRow(row)) + return S_OK; + else + return E_FAIL; + } + else + { + // Get XAccessibleSelection. + Reference<XAccessibleSelection> pRSelection(pRXTable, UNO_QUERY); + if(!pRSelection.is()) + return E_FAIL; + + // Select column. + long lColumn, lColumnCount; + lColumnCount = pRXTable->getAccessibleColumnCount(); + for(lColumn = 0; lColumn < lColumnCount; lColumn ++) + { + sal_Int64 nChildIndex = pRXTable->getAccessibleIndex(row, lColumn); + pRSelection->deselectAccessibleChild(nChildIndex); + } + + return S_OK; + } + // End of added. + + } catch(...) { return E_FAIL; } +} + +/** + * Unselects one column, leaving other selected columns selected (if any). + * + * @param column the column index. + * @param success the result. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::unselectColumn(long column) +{ + SolarMutexGuard g; + + try { + + // Check XAccessibleTable reference. + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleTableSelection> pRTableExtent(pRXTable, UNO_QUERY); + if(pRTableExtent.is()) + { + if(pRTableExtent->unselectColumn(column)) + return S_OK; + else + return E_FAIL; + } + else + { + // Get XAccessibleSelection. + Reference<XAccessibleSelection> pRSelection(pRXTable, UNO_QUERY); + if(!pRSelection.is()) + return E_FAIL; + + // Unselect columns. + long lRow, lRowCount; + lRowCount = pRXTable->getAccessibleRowCount(); + + for(lRow = 0; lRow < lRowCount; lRow ++) + { + sal_Int64 nChildIndex = pRXTable->getAccessibleIndex(lRow, column); + pRSelection->deselectAccessibleChild(nChildIndex); + } + return S_OK; + } + + } catch(...) { return E_FAIL; } +} + +/** + * Override of IUNOXWrapper. + * + * @param pXInterface the pointer of UNO interface. + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::put_XInterface(hyper pXInterface) +{ + // internal IUNOXWrapper - no mutex meeded + + try { + + CUNOXWrapper::put_XInterface(pXInterface); + //special query. + if(pUNOInterface == nullptr) + return E_INVALIDARG; + + Reference<XAccessibleContext> pRContext = pUNOInterface->getAccessibleContext(); + if( !pRContext.is() ) + return E_FAIL; + + Reference<XAccessibleTable> pRXI(pRContext,UNO_QUERY); + if( !pRXI.is() ) + pRXTable = nullptr; + else + pRXTable = pRXI.get(); + return S_OK; + + } catch(...) { return E_FAIL; } +} + + +/** + * Gets columnIndex of childIndex. + * + * @param childIndex childIndex + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_columnIndex(long childIndex, long * columnIndex) +{ + SolarMutexGuard g; + + try { + + if(columnIndex == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *columnIndex = pRXTable->getAccessibleColumn(childIndex); + return S_OK; + + } catch(...) { return E_FAIL; } +} +/** + * Gets rowIndex of childIndex. + * + * @param childIndex childIndex + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_rowIndex(long childIndex, long * rowIndex) +{ + SolarMutexGuard g; + + try { + + if(rowIndex == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + *rowIndex = pRXTable->getAccessibleRow(childIndex); + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/** + * Gets childIndex of childIndex. + * + * @param childIndex childIndex + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_childIndex(long RowIndex , long columnIndex, long * childIndex ) +{ + SolarMutexGuard g; + + try { + + if(childIndex == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + sal_Int64 nIndex = pRXTable->getAccessibleIndex(RowIndex, columnIndex); + if (nIndex > std::numeric_limits<long>::max()) + { + // use -2 when the child index is too large to fit into 32 bit to neither use the + // valid index of another child nor -1, which is more commonly used to indicate that + // a child is no more inside of a parent or invalid otherwise + SAL_WARN("vcl.qt", "CAccTable::get_childIndex: Child index exceeds maximum long value, " + "returning -2."); + nIndex = -2; + } + *childIndex = nIndex; + return S_OK; + + } catch(...) { return E_FAIL; } +} + +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_rowColumnExtentsAtIndex(long, + long *, + long *, + long *, + long *, + boolean *) +{ + return E_NOTIMPL; +} + +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_modelChange(IA2TableModelChange *) +{ + return E_NOTIMPL; +} + +// @brief Returns the total number of selected children +// @param [out] childCount +// Number of children currently selected +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_nSelectedChildren(long *childCount) +{ + SolarMutexGuard g; + + try { + + if(childCount == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleSelection> pRSelection(pRXTable, UNO_QUERY); + if(!pRSelection.is()) + return E_FAIL; + + sal_Int64 nSelected = pRSelection->getSelectedAccessibleChildCount(); + if (nSelected > std::numeric_limits<long>::max()) + { + SAL_WARN("iacc2", "CAccTable::get_nSelectedChildren: Selected item count exceeds maximum long value, " + "using max long."); + nSelected = std::numeric_limits<long>::max(); + } + *childCount = nSelected; + return S_OK; + + } catch(...) { return E_FAIL; } +} + + + +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_nSelectedCells(long *cellCount) +{ + return get_nSelectedChildren(cellCount); +} + +// @brief Returns a list of child indexes currently selected (0-based). +// @param [in] maxChildren +// Max children requested (possibly from IAccessibleTable::nSelectedChildren) +// @param [out] children +// array of indexes of selected children (each index is 0-based) +// @param [out] nChildren +// Length of array (not more than maxChildren) +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_selectedChildren(long, long **children, long *nChildren) +{ + SolarMutexGuard g; + + try { + + if(children == nullptr || nChildren == nullptr) + return E_INVALIDARG; + + if(!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleSelection> pRSelection(pRXTable, UNO_QUERY); + if(!pRSelection.is()) + return E_FAIL; + + sal_Int64 nChildCount = pRSelection->getSelectedAccessibleChildCount(); + if (nChildCount > std::numeric_limits<long>::max()) + { + SAL_WARN("iacc2", "CAccTable::get_selectedChildren: Selected child count exceeds maximum long value, " + "using max long."); + nChildCount = std::numeric_limits<long>::max(); + } + + *nChildren = nChildCount; + *children = static_cast<long*>(CoTaskMemAlloc(nChildCount * sizeof(long))); + + for( sal_Int64 i = 0; i< nChildCount; i++) + { + Reference<XAccessible> pRAcc = pRSelection->getSelectedAccessibleChild(i); + if(pRAcc.is()) + { + Reference<XAccessibleContext> pRContext(pRAcc, UNO_QUERY); + if( !pRContext.is() ) + return E_FAIL; + + + sal_Int64 nChildIndex = pRContext->getAccessibleIndexInParent(); + if (nChildIndex > std::numeric_limits<long>::max()) + { + SAL_WARN("iacc2", "CAccTable::get_selectedChildren: Child index exceeds maximum long value, " + "using max long."); + nChildIndex = std::numeric_limits<long>::max(); + } + (*children)[i] = nChildIndex; + } + } + + return S_OK; + + } catch(...) { return E_FAIL; } + +} + +/** + * @brief Returns a list of accessibles currently selected. + * @param cells Pointer to an array of references to selected accessibles. + * The array is allocated by the server with CoTaskMemAlloc and + * freed by the client with CoTaskMemFree. + * @param nSelectedCells The number of accessibles returned; the size of the returned array. + * @return S_FALSE if there are none, [out] values are NULL and 0 respectively, otherwise S_OK + */ +COM_DECLSPEC_NOTHROW STDMETHODIMP CAccTable::get_selectedCells(IUnknown * * * cells, long *nSelectedCells) +{ + SolarMutexGuard g; + + try { + + if (cells == nullptr || nSelectedCells == nullptr) + return E_INVALIDARG; + + if (!pRXTable.is()) + return E_FAIL; + + Reference<XAccessibleSelection> xSelection(pRXTable, UNO_QUERY); + if (!xSelection.is()) + return E_FAIL; + + sal_Int64 nSelected = xSelection->getSelectedAccessibleChildCount(); + if (nSelected > std::numeric_limits<long>::max()) + { + SAL_WARN("iacc2", "CAccTable::get_selectedCells: Selected cell count exceeds maximum long value, " + "using max long."); + nSelected = std::numeric_limits<long>::max(); + } + *nSelectedCells = nSelected; + + *cells = static_cast<IUnknown**>(CoTaskMemAlloc(nSelected * sizeof(IUnknown*))); + + for (sal_Int64 i = 0; i < nSelected; i++) + { + Reference<XAccessible> xAcc = xSelection->getSelectedAccessibleChild(i); + assert(xAcc.is()); + + IAccessible* pIAccessible = CMAccessible::get_IAccessibleFromXAccessible(xAcc.get()); + + if (!pIAccessible) + { + Reference<XAccessible> xTable(pRXTable, UNO_QUERY); + CMAccessible::g_pAccObjectManager->InsertAccObj(xAcc.get(), xTable.get()); + pIAccessible = CMAccessible::get_IAccessibleFromXAccessible(xAcc.get()); + } + + assert(pIAccessible && "Couldn't retrieve IAccessible object"); + + pIAccessible->AddRef(); + (*cells)[i] = pIAccessible; + } + + return S_OK; + + } catch(...) { return E_FAIL; } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |