/* -*- 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 <accessibility/vclxaccessiblelistitem.hxx>
#include <accessibility/IComboListBoxHelper.hxx>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <cppuhelper/supportsservice.hxx>
#include <utility>
#include <vcl/svapp.hxx>
#include <vcl/toolkit/lstbox.hxx>
#include <vcl/unohelp.hxx>
#include <vcl/unohelp2.hxx>
#include <vcl/settings.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <i18nlangtag/languagetag.hxx>
namespace
{
/// @throws css::lang::IndexOutOfBoundsException
void checkIndex_Impl( sal_Int32 _nIndex, std::u16string_view _sText )
{
if ( _nIndex < 0 || _nIndex >
static_cast<sal_Int32>(_sText.size()) )
throw css::lang::IndexOutOfBoundsException();
}
}
// class VCLXAccessibleListItem ------------------------------------------
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star;
// Ctor() and Dtor()
VCLXAccessibleListItem::VCLXAccessibleListItem(sal_Int32 _nIndexInParent,
rtl::Reference<VCLXAccessibleList> _xParent)
: m_nIndexInParent(_nIndexInParent)
, m_bSelected(
false)
, m_bVisible(
false)
, m_xParent(std::move(_xParent))
{
assert(m_xParent.is());
IComboListBoxHelper* pListBoxHelper = m_xParent->getListBoxHelper();
if (pListBoxHelper)
m_sEntryText = pListBoxHelper->GetEntry(_nIndexInParent);
}
void VCLXAccessibleListItem::SetSelected(
bool _bSelected )
{
if ( m_bSelected != _bSelected )
{
Any aOldValue;
Any aNewValue;
if ( m_bSelected )
aOldValue <<= AccessibleStateType::SELECTED;
else
aNewValue <<= AccessibleStateType::SELECTED;
m_bSelected = _bSelected;
NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
}
}
void VCLXAccessibleListItem::SetVisible(
bool _bVisible )
{
if ( m_bVisible != _bVisible )
{
Any aOldValue, aNewValue;
m_bVisible = _bVisible;
(_bVisible ? aNewValue : aOldValue ) <<= AccessibleStateType::VISIBLE;
NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
(_bVisible ? aNewValue : aOldValue ) <<= AccessibleStateType::SHOWING;
NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
}
}
void VCLXAccessibleListItem::NotifyAccessibleEvent( sal_Int16 _nEventId,
const css::uno::Any& _aOldValue,
const css::uno::Any& _aNewValue )
{
comphelper::OAccessibleComponentHelper::NotifyAccessibleEvent(_nEventId, _aOldVal
ue,
_aNewValue);
}
// OCommonAccessibleText
OUString VCLXAccessibleListItem::implGetText()
{
return m_sEntryText;
}
Locale VCLXAccessibleListItem::implGetLocale()
{
return Application::GetSettings().GetLanguageTag().getLocale();
}
void VCLXAccessibleListItem::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex )
{
nStartIndex = 0;
nEndIndex = 0;
}
awt::Rectangle VCLXAccessibleListItem::implGetBounds()
{
tools::Rectangle aRect;
IComboListBoxHelper* pListBoxHelper = m_xParent.is() ? m_xParent->getListBoxHelper() : nullptr;
if (pListBoxHelper)
{
aRect = pListBoxHelper->GetBoundingRectangle(m_nIndexInParent);
// convert position relative to the combobox/listbox (parent's parent) to position relative
// to direct parent by subtracting parent's relative position in the combobox/listbox
aRect -= vcl::unohelper::ConvertToVCLPoint(m_xParent->getLocation());
}
return vcl::unohelper::ConvertToAWTRect(aRect);
}
// XComponent
void SAL_CALL VCLXAccessibleListItem::disposing()
{
m_sEntryText.clear();
m_xParent = nullptr;
OAccessibleComponentHelper::disposing();
}
// XServiceInfo
OUString VCLXAccessibleListItem::getImplementationName()
{
return u"com.sun.star.comp.toolkit.AccessibleListItem"_ustr;
}
sal_Bool VCLXAccessibleListItem::supportsService( const OUString& rServiceName )
{
return cppu::supportsService(this, rServiceName);
}
Sequence< OUString > VCLXAccessibleListItem::getSupportedServiceNames()
{
return {u"com.sun.star.accessibility.AccessibleContext"_ustr,
u"com.sun.star.accessibility.AccessibleComponent"_ustr,
u"com.sun.star.accessibility.AccessibleListItem"_ustr};
}
// XAccessible
Reference< XAccessibleContext > SAL_CALL VCLXAccessibleListItem::getAccessibleContext( )
{
return this;
}
// XAccessibleContext
sal_Int64 SAL_CALL VCLXAccessibleListItem::getAccessibleChildCount( )
{
return 0;
}
Reference< XAccessible > SAL_CALL VCLXAccessibleListItem::getAccessibleChild( sal_Int64 )
{
return Reference< XAccessible >();
}
Reference< XAccessible > SAL_CALL VCLXAccessibleListItem::getAccessibleParent( )
{
SolarMutexGuard aSolarGuard;
return m_xParent;
}
sal_Int64 SAL_CALL VCLXAccessibleListItem::getAccessibleIndexInParent( )
{
return m_nIndexInParent;
}
sal_Int16 SAL_CALL VCLXAccessibleListItem::getAccessibleRole( )
{
return AccessibleRole::LIST_ITEM;
// return AccessibleRole::LABEL;
}
OUString SAL_CALL VCLXAccessibleListItem::getAccessibleDescription( )
{
// no description for every item
return OUString();
}
OUString SAL_CALL VCLXAccessibleListItem::getAccessibleName( )
{
SolarMutexGuard aSolarGuard;
// entry text == accessible name
return m_sEntryText;
}
Reference< XAccessibleRelationSet > SAL_CALL VCLXAccessibleListItem::getAccessibleRelationSet( )
{
return new utl::AccessibleRelationSetHelper;
}
sal_Int64 SAL_CALL VCLXAccessibleListItem::getAccessibleStateSet( )
{
SolarMutexGuard aSolarGuard;
sal_Int64 nStateSet = 0;
if (isAlive())
{
nStateSet |= AccessibleStateType::TRANSIENT;
IComboListBoxHelper* pListBoxHelper = m_xParent.is() ? m_xParent->getListBoxHelper() : nullptr;
if (pListBoxHelper && pListBoxHelper->IsEnabled())
{
nStateSet |= AccessibleStateType::SELECTABLE;
nStateSet |= AccessibleStateType::ENABLED;
nStateSet |= AccessibleStateType::SENSITIVE;
}
if ( m_bSelected )
nStateSet |= AccessibleStateType::SELECTED;
if ( m_bVisible )
{
nStateSet |= AccessibleStateType::VISIBLE;
nStateSet |= AccessibleStateType::SHOWING;
}
}
else
nStateSet |= AccessibleStateType::DEFUNC;
return nStateSet;
}
Locale SAL_CALL VCLXAccessibleListItem::getLocale( )
{
SolarMutexGuard aSolarGuard;
return implGetLocale();
}
// XAccessibleComponent
Reference< XAccessible > SAL_CALL VCLXAccessibleListItem::getAccessibleAtPoint( const awt::Point& )
{
return Reference< XAccessible >();
}
void SAL_CALL VCLXAccessibleListItem::grabFocus( )
{
// no focus for each item
}
// XAccessibleText
sal_Int32 SAL_CALL VCLXAccessibleListItem::getCaretPosition()
{
return -1;
}
sal_Bool SAL_CALL VCLXAccessibleListItem::setCaretPosition( sal_Int32 nIndex )
{
SolarMutexGuard aSolarGuard;
if ( !implIsValidRange( nIndex, nIndex, m_sEntryText.getLength() ) )
throw IndexOutOfBoundsException();
return false;
}
sal_Unicode SAL_CALL VCLXAccessibleListItem::getCharacter( sal_Int32 nIndex )
{
SolarMutexGuard aSolarGuard;
return OCommonAccessibleText::implGetCharacter( m_sEntryText, nIndex );
}
Sequence< PropertyValue > SAL_CALL VCLXAccessibleListItem::getCharacterAttributes( sal_Int32 nIndex, const Sequence< OUString >& )
{
SolarMutexGuard aSolarGuard;
if ( !implIsValidIndex( nIndex, m_sEntryText.getLength() ) )
throw IndexOutOfBoundsException();
return Sequence< PropertyValue >();
}
awt::Rectangle SAL_CALL VCLXAccessibleListItem::getCharacterBounds( sal_Int32 nIndex )
{
SolarMutexGuard aSolarGuard;
if ( !implIsValidIndex( nIndex, m_sEntryText.getLength() ) )
throw IndexOutOfBoundsException();
awt::Rectangle aBounds( 0, 0, 0, 0 );
IComboListBoxHelper* pListBoxHelper = m_xParent.is() ? m_xParent->getListBoxHelper() : nullptr;
if (pListBoxHelper)
{
tools::Rectangle aCharRect = pListBoxHelper->GetEntryCharacterBounds( m_nIndexInParent, nIndex );
tools::Rectangle aItemRect = pListBoxHelper->GetBoundingRectangle(m_nIndexInParent);
aCharRect.Move( -aItemRect.Left(), -aItemRect.Top() );
aBounds = vcl::unohelper::ConvertToAWTRect(aCharRect);
}
return aBounds;
}
sal_Int32 SAL_CALL VCLXAccessibleListItem::getCharacterCount()
{
SolarMutexGuard aSolarGuard;
return m_sEntryText.getLength();
}
sal_Int32 SAL_CALL VCLXAccessibleListItem::getIndexAtPoint( const awt::Point& aPoint )
{
SolarMutexGuard aSolarGuard;
sal_Int32 nIndex = -1;
IComboListBoxHelper* pListBoxHelper = m_xParent.is() ? m_xParent->getListBoxHelper() : nullptr;
if (pListBoxHelper)
{
sal_Int32 nPos = LISTBOX_ENTRY_NOTFOUND;
tools::Rectangle aItemRect = pListBoxHelper->GetBoundingRectangle(m_nIndexInParent);
Point aPnt(vcl::unohelper::ConvertToVCLPoint(aPoint));
aPnt += aItemRect.TopLeft();
sal_Int32 nI = pListBoxHelper->GetIndexForPoint( aPnt, nPos );
if ( nI != -1 && m_nIndexInParent == nPos )
nIndex = nI;
}
return nIndex;
}
OUString SAL_CALL VCLXAccessibleListItem::getSelectedText()
{
return OUString();
}
sal_Int32 SAL_CALL VCLXAccessibleListItem::getSelectionStart()
{
return 0;
}
sal_Int32 SAL_CALL VCLXAccessibleListItem::getSelectionEnd()
{
return 0;
}
sal_Bool SAL_CALL VCLXAccessibleListItem::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
SolarMutexGuard aSolarGuard;
if ( !implIsValidRange( nStartIndex, nEndIndex, m_sEntryText.getLength() ) )
throw IndexOutOfBoundsException();
return false;
}
OUString SAL_CALL VCLXAccessibleListItem::getText()
{
SolarMutexGuard aSolarGuard;
return m_sEntryText;
}
OUString VCLXAccessibleListItem::getTextRangeImpl(sal_Int32 nStartIndex, sal_Int32 nEndIndex)
{
return OCommonAccessibleText::implGetTextRange(m_sEntryText, nStartIndex, nEndIndex);
}
OUString SAL_CALL VCLXAccessibleListItem::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
SolarMutexGuard aSolarGuard;
return getTextRangeImpl(nStartIndex, nEndIndex);
}
css::accessibility::TextSegment SAL_CALL VCLXAccessibleListItem::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
SolarMutexGuard aSolarGuard;
return OCommonAccessibleText::getTextAtIndex( nIndex, aTextType );
}
css::accessibility::TextSegment SAL_CALL VCLXAccessibleListItem::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
SolarMutexGuard aSolarGuard;
return OCommonAccessibleText::getTextBeforeIndex( nIndex, aTextType );
}
css::accessibility::TextSegment SAL_CALL VCLXAccessibleListItem::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
SolarMutexGuard aSolarGuard;
return OCommonAccessibleText::getTextBehindIndex( nIndex, aTextType );
}
sal_Bool SAL_CALL VCLXAccessibleListItem::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
SolarMutexGuard aSolarGuard;
checkIndex_Impl( nStartIndex, m_sEntryText );
checkIndex_Impl( nEndIndex, m_sEntryText );
bool bRet = false;
IComboListBoxHelper* pListBoxHelper = m_xParent.is() ? m_xParent->getListBoxHelper() : nullptr;
if (pListBoxHelper)
{
Reference< datatransfer::clipboard::XClipboard > xClipboard = pListBoxHelper->GetClipboard();
if ( xClipboard.is() )
{
OUString sText(getTextRangeImpl(nStartIndex, nEndIndex));
rtl::Reference<vcl::unohelper::TextDataObject> pDataObj = new vcl::unohelper::TextDataObject( sText );
SolarMutexReleaser aReleaser;
xClipboard->setContents( pDataObj, nullptr );
Reference< datatransfer::clipboard::XFlushableClipboard > xFlushableClipboard( xClipboard, uno::UNO_QUERY );
if( xFlushableClipboard.is() )
xFlushableClipboard->flushClipboard();
bRet = true;
}
}
return bRet;
}
sal_Bool VCLXAccessibleListItem::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType )
{
return false;
}
// AF (Oct. 29 2002): Return black as constant foreground color. This is an
// initial implementation and has to be substituted by code that determines
// the color that is actually used.
sal_Int32 SAL_CALL VCLXAccessibleListItem::getForeground()
{
return sal_Int32(COL_BLACK);
}
// AF (Oct. 29 2002): Return white as constant background color. This is an
// initial implementation and has to be substituted by code that determines
// the color that is actually used.
sal_Int32 SAL_CALL VCLXAccessibleListItem::getBackground()
{
return sal_Int32(COL_WHITE);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */