433 lines
18 KiB
C++
433 lines
18 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_accessibility.hxx"
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#include <accessibility/extended/accessiblelistbox.hxx>
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#include <accessibility/extended/accessiblelistboxentry.hxx>
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#include <svtools/svtreebx.hxx>
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#include <com/sun/star/awt/Point.hpp>
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#include <com/sun/star/awt/Rectangle.hpp>
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#include <com/sun/star/awt/Size.hpp>
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#include <com/sun/star/accessibility/AccessibleEventId.hpp>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <tools/debug.hxx>
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#include <vcl/svapp.hxx>
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#include <toolkit/awt/vclxwindow.hxx>
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#include <toolkit/helper/convert.hxx>
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#include <unotools/accessiblestatesethelper.hxx>
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//........................................................................
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namespace accessibility
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{
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//........................................................................
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// class AccessibleListBox -----------------------------------------------------
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using namespace ::com::sun::star::accessibility;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star;
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DBG_NAME(AccessibleListBox)
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// -----------------------------------------------------------------------------
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// Ctor() and Dtor()
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// -----------------------------------------------------------------------------
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AccessibleListBox::AccessibleListBox( SvTreeListBox& _rListBox, const Reference< XAccessible >& _xParent ) :
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VCLXAccessibleComponent( _rListBox.GetWindowPeer() ),
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m_xParent( _xParent )
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{
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DBG_CTOR( AccessibleListBox, NULL );
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}
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// -----------------------------------------------------------------------------
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AccessibleListBox::~AccessibleListBox()
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{
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DBG_DTOR( AccessibleListBox, NULL );
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if ( isAlive() )
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{
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// increment ref count to prevent double call of Dtor
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osl_incrementInterlockedCount( &m_refCount );
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dispose();
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}
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}
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IMPLEMENT_FORWARD_XINTERFACE2(AccessibleListBox, VCLXAccessibleComponent, AccessibleListBox_BASE)
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IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleListBox, VCLXAccessibleComponent, AccessibleListBox_BASE)
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// -----------------------------------------------------------------------------
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SvTreeListBox* AccessibleListBox::getListBox() const
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{
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return static_cast< SvTreeListBox* >( const_cast<AccessibleListBox*>(this)->GetWindow() );
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}
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// -----------------------------------------------------------------------------
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void AccessibleListBox::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
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{
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if ( isAlive() )
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{
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switch ( rVclWindowEvent.GetId() )
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{
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case VCLEVENT_CHECKBOX_TOGGLE :
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{
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if ( getListBox() && getListBox()->HasFocus() )
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{
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SvLBoxEntry* pEntry = static_cast< SvLBoxEntry* >( rVclWindowEvent.GetData() );
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if ( !pEntry )
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pEntry = getListBox()->GetCurEntry();
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if ( pEntry )
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{
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Reference< XAccessible > xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
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uno::Any aOldValue, aNewValue;
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aNewValue <<= xChild;
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NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
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}
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}
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break;
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}
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case VCLEVENT_LISTBOX_SELECT :
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{
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// First send an event that tells the listeners of a
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// modified selection. The active descendant event is
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// send after that so that the receiving AT has time to
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// read the text or name of the active child.
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NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
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if ( getListBox() && getListBox()->HasFocus() )
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{
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SvLBoxEntry* pEntry = static_cast< SvLBoxEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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Reference< XAccessible > xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
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uno::Any aOldValue, aNewValue;
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aNewValue <<= xChild;
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NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
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}
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}
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break;
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// #i92103#
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case VCLEVENT_ITEM_EXPANDED :
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case VCLEVENT_ITEM_COLLAPSED :
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{
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SvLBoxEntry* pEntry = static_cast< SvLBoxEntry* >( rVclWindowEvent.GetData() );
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if ( pEntry )
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{
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AccessibleListBoxEntry* pAccListBoxEntry =
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new AccessibleListBoxEntry( *getListBox(), pEntry, this );
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Reference< XAccessible > xChild = pAccListBoxEntry;
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const short nAccEvent =
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( rVclWindowEvent.GetId() == VCLEVENT_ITEM_EXPANDED )
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? AccessibleEventId::LISTBOX_ENTRY_EXPANDED
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: AccessibleEventId::LISTBOX_ENTRY_COLLAPSED;
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uno::Any aListBoxEntry;
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aListBoxEntry <<= xChild;
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NotifyAccessibleEvent( nAccEvent, Any(), aListBoxEntry );
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if ( getListBox() && getListBox()->HasFocus() )
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{
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NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, Any(), aListBoxEntry );
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}
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}
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break;
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}
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}
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default:
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VCLXAccessibleComponent::ProcessWindowEvent (rVclWindowEvent);
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}
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}
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}
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// -----------------------------------------------------------------------------
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void AccessibleListBox::ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent )
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{
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switch ( rVclWindowEvent.GetId() )
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{
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case VCLEVENT_WINDOW_SHOW:
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case VCLEVENT_WINDOW_HIDE:
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{
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}
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break;
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default:
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{
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VCLXAccessibleComponent::ProcessWindowChildEvent( rVclWindowEvent );
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}
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break;
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}
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}
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// -----------------------------------------------------------------------------
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// XComponent
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// -----------------------------------------------------------------------------
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void SAL_CALL AccessibleListBox::disposing()
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{
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::osl::MutexGuard aGuard( m_aMutex );
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VCLXAccessibleComponent::disposing();
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m_xParent = NULL;
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}
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// -----------------------------------------------------------------------------
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// XServiceInfo
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// -----------------------------------------------------------------------------
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::rtl::OUString SAL_CALL AccessibleListBox::getImplementationName() throw(RuntimeException)
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{
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return getImplementationName_Static();
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}
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// -----------------------------------------------------------------------------
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Sequence< ::rtl::OUString > SAL_CALL AccessibleListBox::getSupportedServiceNames() throw(RuntimeException)
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{
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return getSupportedServiceNames_Static();
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}
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// -----------------------------------------------------------------------------
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sal_Bool SAL_CALL AccessibleListBox::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
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{
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Sequence< ::rtl::OUString > aSupported( getSupportedServiceNames() );
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const ::rtl::OUString* pSupported = aSupported.getConstArray();
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const ::rtl::OUString* pEnd = pSupported + aSupported.getLength();
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for ( ; pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported )
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;
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return pSupported != pEnd;
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}
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// -----------------------------------------------------------------------------
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// XServiceInfo - static methods
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// -----------------------------------------------------------------------------
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Sequence< ::rtl::OUString > AccessibleListBox::getSupportedServiceNames_Static(void) throw( RuntimeException )
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{
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Sequence< ::rtl::OUString > aSupported(3);
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aSupported[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.accessibility.AccessibleContext") );
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aSupported[1] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.accessibility.AccessibleComponent") );
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aSupported[2] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.awt.AccessibleTreeListBox") );
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return aSupported;
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}
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// -----------------------------------------------------------------------------
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::rtl::OUString AccessibleListBox::getImplementationName_Static(void) throw( RuntimeException )
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{
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return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.svtools.AccessibleTreeListBox") );
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}
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// -----------------------------------------------------------------------------
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// XAccessible
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// -----------------------------------------------------------------------------
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Reference< XAccessibleContext > SAL_CALL AccessibleListBox::getAccessibleContext( ) throw (RuntimeException)
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{
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ensureAlive();
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return this;
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}
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// -----------------------------------------------------------------------------
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// XAccessibleContext
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// -----------------------------------------------------------------------------
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sal_Int32 SAL_CALL AccessibleListBox::getAccessibleChildCount( ) throw (RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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sal_Int32 nCount = 0;
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SvTreeListBox* pSvTreeListBox = getListBox();
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if ( pSvTreeListBox )
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nCount = pSvTreeListBox->GetLevelChildCount( NULL );
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return nCount;
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}
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// -----------------------------------------------------------------------------
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Reference< XAccessible > SAL_CALL AccessibleListBox::getAccessibleChild( sal_Int32 i ) throw (IndexOutOfBoundsException,RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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SvLBoxEntry* pEntry = getListBox()->GetEntry(i);
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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return new AccessibleListBoxEntry( *getListBox(), pEntry, this );
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}
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// -----------------------------------------------------------------------------
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Reference< XAccessible > SAL_CALL AccessibleListBox::getAccessibleParent( ) throw (RuntimeException)
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{
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::osl::MutexGuard aGuard( m_aMutex );
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ensureAlive();
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return m_xParent;
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}
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// -----------------------------------------------------------------------------
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sal_Int16 SAL_CALL AccessibleListBox::getAccessibleRole( ) throw (RuntimeException)
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{
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return AccessibleRole::TREE;
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}
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// -----------------------------------------------------------------------------
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::rtl::OUString SAL_CALL AccessibleListBox::getAccessibleDescription( ) throw (RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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return getListBox()->GetAccessibleDescription();
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}
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// -----------------------------------------------------------------------------
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::rtl::OUString SAL_CALL AccessibleListBox::getAccessibleName( ) throw (RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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return getListBox()->GetAccessibleName();
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}
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// -----------------------------------------------------------------------------
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// XAccessibleSelection
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// -----------------------------------------------------------------------------
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void SAL_CALL AccessibleListBox::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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SvLBoxEntry* pEntry = getListBox()->GetEntry( nChildIndex );
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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getListBox()->Select( pEntry, sal_True );
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}
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// -----------------------------------------------------------------------------
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sal_Bool SAL_CALL AccessibleListBox::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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SvLBoxEntry* pEntry = getListBox()->GetEntry( nChildIndex );
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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return getListBox()->IsSelected( pEntry );
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL AccessibleListBox::clearAccessibleSelection( ) throw (RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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sal_Int32 i, nCount = 0;
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nCount = getListBox()->GetLevelChildCount( NULL );
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for ( i = 0; i < nCount; ++i )
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{
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SvLBoxEntry* pEntry = getListBox()->GetEntry( i );
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if ( getListBox()->IsSelected( pEntry ) )
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getListBox()->Select( pEntry, sal_False );
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}
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL AccessibleListBox::selectAllAccessibleChildren( ) throw (RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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sal_Int32 i, nCount = 0;
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nCount = getListBox()->GetLevelChildCount( NULL );
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for ( i = 0; i < nCount; ++i )
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{
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SvLBoxEntry* pEntry = getListBox()->GetEntry( i );
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if ( !getListBox()->IsSelected( pEntry ) )
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getListBox()->Select( pEntry, sal_True );
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}
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}
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// -----------------------------------------------------------------------------
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sal_Int32 SAL_CALL AccessibleListBox::getSelectedAccessibleChildCount( ) throw (RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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sal_Int32 i, nSelCount = 0, nCount = 0;
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nCount = getListBox()->GetLevelChildCount( NULL );
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for ( i = 0; i < nCount; ++i )
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{
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SvLBoxEntry* pEntry = getListBox()->GetEntry( i );
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if ( getListBox()->IsSelected( pEntry ) )
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++nSelCount;
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}
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return nSelCount;
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}
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// -----------------------------------------------------------------------------
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Reference< XAccessible > SAL_CALL AccessibleListBox::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
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throw IndexOutOfBoundsException();
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Reference< XAccessible > xChild;
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sal_Int32 i, nSelCount = 0, nCount = 0;
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nCount = getListBox()->GetLevelChildCount( NULL );
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for ( i = 0; i < nCount; ++i )
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{
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SvLBoxEntry* pEntry = getListBox()->GetEntry( i );
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if ( getListBox()->IsSelected( pEntry ) )
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++nSelCount;
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if ( nSelCount == ( nSelectedChildIndex + 1 ) )
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{
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xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
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break;
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}
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}
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return xChild;
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}
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// -----------------------------------------------------------------------------
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void SAL_CALL AccessibleListBox::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
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{
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::comphelper::OExternalLockGuard aGuard( this );
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ensureAlive();
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SvLBoxEntry* pEntry = getListBox()->GetEntry( nSelectedChildIndex );
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if ( !pEntry )
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throw IndexOutOfBoundsException();
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getListBox()->Select( pEntry, sal_False );
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}
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// -----------------------------------------------------------------------------
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void AccessibleListBox::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
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{
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VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
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if ( getListBox() && isAlive() )
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{
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rStateSet.AddState( AccessibleStateType::FOCUSABLE );
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rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
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if ( getListBox()->GetSelectionMode() == MULTIPLE_SELECTION )
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rStateSet.AddState( AccessibleStateType::MULTI_SELECTABLE );
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}
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}
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//........................................................................
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}// namespace accessibility
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//........................................................................
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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