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Diffstat (limited to 'accessibility/source/extended/accessibletablistboxtable.cxx')
| -rw-r--r-- | accessibility/source/extended/accessibletablistboxtable.cxx | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/accessibility/source/extended/accessibletablistboxtable.cxx b/accessibility/source/extended/accessibletablistboxtable.cxx new file mode 100644 index 000000000..14d48bcad --- /dev/null +++ b/accessibility/source/extended/accessibletablistboxtable.cxx @@ -0,0 +1,347 @@ +/* -*- 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 . + */ + +#include <extended/accessibletablistboxtable.hxx> +#include <extended/AccessibleBrowseBoxTableCell.hxx> +#include <extended/AccessibleBrowseBoxCheckBoxCell.hxx> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <vcl/toolkit/svtabbx.hxx> + +namespace accessibility +{ + + + // class AccessibleTabListBoxTable --------------------------------------------- + + using namespace ::com::sun::star::accessibility; + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star; + + + // Ctor() and Dtor() + + AccessibleTabListBoxTable::AccessibleTabListBoxTable( const Reference< XAccessible >& rxParent, SvHeaderTabListBox& rBox ) : + + AccessibleBrowseBoxTable( rxParent, rBox ), + + m_pTabListBox ( &rBox ) + + { + m_pTabListBox->AddEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) ); + } + + AccessibleTabListBoxTable::~AccessibleTabListBoxTable() + { + if ( isAlive() ) + { + m_pTabListBox = nullptr; + + // increment ref count to prevent double call of Dtor + osl_atomic_increment( &m_refCount ); + dispose(); + } + } + + void AccessibleTabListBoxTable::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) + { + if ( !isAlive() ) + return; + + switch ( VclEventId nEventId = rVclWindowEvent.GetId(); nEventId ) + { + case VclEventId::ObjectDying : + { + m_pTabListBox->RemoveEventListener( LINK( this, AccessibleTabListBoxTable, WindowEventListener ) ); + m_pTabListBox = nullptr; + break; + } + + case VclEventId::ControlGetFocus : + case VclEventId::ControlLoseFocus : + { + uno::Any aOldValue, aNewValue; + if ( nEventId == VclEventId::ControlGetFocus ) + aNewValue <<= AccessibleStateType::FOCUSED; + else + aOldValue <<= AccessibleStateType::FOCUSED; + commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue ); + break; + } + + case VclEventId::ListboxSelect : + { + // First send an event that tells the listeners of a + // modified selection. The active descendant event is + // send after that so that the receiving AT has time to + // read the text or name of the active child. + commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() ); + if ( m_pTabListBox && m_pTabListBox->HasFocus() ) + { + SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() ); + if ( pEntry ) + { + sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry ); + sal_uInt16 nCol = m_pTabListBox->GetCurrColumn(); + Reference< XAccessible > xChild = + m_pTabListBox->CreateAccessibleCell( nRow, nCol ); + uno::Any aOldValue, aNewValue; + aNewValue <<= xChild; + commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue, aOldValue ); + } + } + break; + } + case VclEventId::WindowGetFocus : + { + uno::Any aOldValue, aNewValue; + aNewValue <<= AccessibleStateType::FOCUSED; + commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue ); + break; + + } + case VclEventId::WindowLoseFocus : + { + uno::Any aOldValue, aNewValue; + aOldValue <<= AccessibleStateType::FOCUSED; + commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue, aOldValue ); + break; + } + case VclEventId::ListboxTreeSelect: + { + SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() ); + if (pEntry) + { + sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry ); + Reference< XAccessible > xChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() ); + TriState eState = TRISTATE_INDET; + if ( m_pTabListBox->IsCellCheckBox( nRow, m_pTabListBox->GetCurrColumn(), eState ) ) + { + AccessibleCheckBoxCell* pCell = static_cast< AccessibleCheckBoxCell* >( xChild.get() ); + pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() ); + } + else + { + AccessibleBrowseBoxTableCell* pCell = static_cast< AccessibleBrowseBoxTableCell* >( xChild.get() ); + pCell->commitEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() ); + } + } + } + break; + case VclEventId::ListboxTreeFocus: + { + if ( m_pTabListBox && m_pTabListBox->HasFocus() ) + { + uno::Any aOldValue, aNewValue; + SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() ); + if ( pEntry ) + { + sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry ); + m_xCurChild = m_pTabListBox->CreateAccessibleCell( nRow, m_pTabListBox->GetCurrColumn() ); + aNewValue <<= m_xCurChild; + commitEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aNewValue ,aOldValue); + } + else + { + aNewValue <<= AccessibleStateType::FOCUSED; + commitEvent( AccessibleEventId::STATE_CHANGED, aNewValue ,aOldValue); + } + } + } + break; + + case VclEventId::CheckboxToggle : + { + if ( m_pTabListBox && m_pTabListBox->HasFocus() ) + { + SvTreeListEntry* pEntry = static_cast< SvTreeListEntry* >( rVclWindowEvent.GetData() ); + if ( pEntry ) + { + sal_Int32 nRow = m_pTabListBox->GetEntryPos( pEntry ); + sal_uInt16 nCol = m_pTabListBox->GetCurrColumn(); + TriState eState = TRISTATE_INDET; + if ( m_pTabListBox->IsCellCheckBox( nRow, nCol, eState ) ) + { + Reference< XAccessible > xChild = + m_pTabListBox->CreateAccessibleCell( nRow, nCol ); + AccessibleCheckBoxCell* pCell = + static_cast< AccessibleCheckBoxCell* >( xChild.get() ); + pCell->SetChecked( SvHeaderTabListBox::IsItemChecked( pEntry, nCol ) ); + } + } + } + break; + } + + default: break; + } + } + + IMPL_LINK( AccessibleTabListBoxTable, WindowEventListener, VclWindowEvent&, rEvent, void ) + { + OSL_ENSURE( rEvent.GetWindow() && m_pTabListBox, "no event window" ); + ProcessWindowEvent( rEvent ); + } + // helpers -------------------------------------------------------------------- + + void AccessibleTabListBoxTable::ensureValidIndex( sal_Int32 _nIndex ) const + { + if ( ( _nIndex < 0 ) || ( _nIndex >= (implGetRowCount() * implGetColumnCount()) ) ) + throw IndexOutOfBoundsException(); + } + + void AccessibleTabListBoxTable::implSelectRow( sal_Int32 _nRow, bool _bSelect ) + { + if ( m_pTabListBox ) + m_pTabListBox->Select( m_pTabListBox->GetEntry( _nRow ), _bSelect ); + } + + sal_Int32 AccessibleTabListBoxTable::implGetRowCount() const + { + return m_pTabListBox ? m_pTabListBox->GetEntryCount() : 0; + } + + sal_Int32 AccessibleTabListBoxTable::implGetColumnCount() const + { + return m_pTabListBox ? m_pTabListBox->GetColumnCount() : 0; + } + + sal_Int32 AccessibleTabListBoxTable::implGetSelRowCount() const + { + return m_pTabListBox ? m_pTabListBox->GetSelectionCount() : 0; + } + + sal_Int32 AccessibleTabListBoxTable::implGetSelRow( sal_Int32 nSelRow ) const + { + if ( m_pTabListBox ) + { + sal_Int32 nRow = 0; + SvTreeListEntry* pEntry = m_pTabListBox->FirstSelected(); + while ( pEntry ) + { + ++nRow; + if ( nRow == nSelRow ) + return m_pTabListBox->GetEntryPos( pEntry ); + pEntry = m_pTabListBox->NextSelected( pEntry ); + } + } + + return 0; + } + + // XInterface & XTypeProvider + + IMPLEMENT_FORWARD_XINTERFACE2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper) + IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleTabListBoxTable, AccessibleBrowseBoxTable, AccessibleTabListBoxTableImplHelper) + + // XServiceInfo + + OUString AccessibleTabListBoxTable::getImplementationName() + { + return "com.sun.star.comp.svtools.AccessibleTabListBoxTable"; + } + + // XAccessibleSelection + + void SAL_CALL AccessibleTabListBoxTable::selectAccessibleChild( sal_Int32 nChildIndex ) + { + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( getMutex() ); + + ensureIsAlive(); + ensureValidIndex( nChildIndex ); + + implSelectRow( implGetRow( nChildIndex ), true ); + } + + sal_Bool SAL_CALL AccessibleTabListBoxTable::isAccessibleChildSelected( sal_Int32 nChildIndex ) + { + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( getMutex() ); + + ensureIsAlive(); + ensureValidIndex( nChildIndex ); + + return m_pTabListBox && m_pTabListBox->IsSelected( m_pTabListBox->GetEntry( implGetRow( nChildIndex ) ) ); + } + + void SAL_CALL AccessibleTabListBoxTable::clearAccessibleSelection( ) + { + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( getMutex() ); + + ensureIsAlive(); + + m_pTabListBox->SetNoSelection(); + } + + void SAL_CALL AccessibleTabListBoxTable::selectAllAccessibleChildren( ) + { + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( getMutex() ); + + ensureIsAlive(); + + m_pTabListBox->SelectAll(); + } + + sal_Int32 SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChildCount( ) + { + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( getMutex() ); + + ensureIsAlive(); + + return implGetColumnCount() * implGetSelRowCount(); + } + + Reference< XAccessible > SAL_CALL AccessibleTabListBoxTable::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) + { + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( getMutex() ); + + ensureIsAlive(); + + sal_Int32 nRows = implGetSelRowCount(); + if ( nRows == 0 ) + throw IndexOutOfBoundsException(); + + sal_Int32 nRow = implGetSelRow( nSelectedChildIndex % nRows ); + sal_Int32 nColumn = nSelectedChildIndex / nRows; + return getAccessibleCellAt( nRow, nColumn ); + } + + void SAL_CALL AccessibleTabListBoxTable::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) + { + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( getMutex() ); + + ensureIsAlive(); + ensureValidIndex( nSelectedChildIndex ); + + implSelectRow( implGetRow( nSelectedChildIndex ), false ); + } + + +}// namespace accessibility + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |