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libreoffice/accessibility/source/extended/accessiblelistboxentry.cxx
Noel Grandin cb315646e2 headString in SvTreeListBox is unused 
ever since being added in

    commit b755fb8c0f
    Date:   Mon Nov 25 16:15:58 2013 +0000
    Integrate branch of IAccessible2

Change-Id: Iebb8d30d53cc08e7cc35d610f04db8ed6c853b70
2017-09-18 13:47:29 +02:00

1199 lines
39 KiB
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/* -*- 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/accessiblelistboxentry.hxx"
#include <svtools/treelistbox.hxx>
#include <svtools/stringtransfer.hxx>
#include <svtools/svlbitm.hxx>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/awt/Size.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <vcl/svapp.hxx>
#include <vcl/controllayout.hxx>
#include <vcl/settings.hxx>
#include <toolkit/awt/vclxwindow.hxx>
#include <toolkit/helper/convert.hxx>
#include <unotools/accessiblestatesethelper.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/typeprovider.hxx>
#include <comphelper/sequence.hxx>
#include <comphelper/accessibleeventnotifier.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <helper/accresmgr.hxx>
#include <strings.hrc>
#include <com/sun/star/accessibility/XAccessibleValue.hpp>
#define ACCESSIBLE_ACTION_COUNT 1
namespace
{
/// @throws css::lang::IndexOutOfBoundsException
void checkActionIndex_Impl( sal_Int32 _nIndex )
{
if ( _nIndex < 0 || _nIndex >= ACCESSIBLE_ACTION_COUNT )
// only three actions
throw css::lang::IndexOutOfBoundsException();
}
}
namespace accessibility
{
// class AccessibleListBoxEntry -----------------------------------------------------
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star;
using namespace ::comphelper;
// Ctor() and Dtor()
AccessibleListBoxEntry::AccessibleListBoxEntry( SvTreeListBox& _rListBox,
SvTreeListEntry* _pEntry,
const Reference< XAccessible >& _xParent ) :
AccessibleListBoxEntry_BASE ( m_aMutex ),
ListBoxAccessibleBase( _rListBox ),
m_pSvLBoxEntry ( _pEntry ),
m_nClientId ( 0 ),
m_aParent ( _xParent )
{
_rListBox.FillEntryPath( _pEntry, m_aEntryPath );
}
AccessibleListBoxEntry::~AccessibleListBoxEntry()
{
if ( IsAlive_Impl() )
{
// increment ref count to prevent double call of Dtor
osl_atomic_increment( &m_refCount );
dispose();
}
}
void AccessibleListBoxEntry::NotifyAccessibleEvent( sal_Int16 _nEventId,
const css::uno::Any& _aOldValue,
const css::uno::Any& _aNewValue )
{
Reference< uno::XInterface > xSource( *this );
AccessibleEventObject aEventObj( xSource, _nEventId, _aNewValue, _aOldValue );
if (m_nClientId)
comphelper::AccessibleEventNotifier::addEvent( m_nClientId, aEventObj );
}
tools::Rectangle AccessibleListBoxEntry::GetBoundingBox_Impl() const
{
tools::Rectangle aRect;
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( pEntry )
{
aRect = getListBox()->GetBoundingRect( pEntry );
SvTreeListEntry* pParent = getListBox()->GetParent( pEntry );
if ( pParent )
{
// position relative to parent entry
Point aTopLeft = aRect.TopLeft();
aTopLeft -= getListBox()->GetBoundingRect( pParent ).TopLeft();
aRect = tools::Rectangle( aTopLeft, aRect.GetSize() );
}
}
return aRect;
}
tools::Rectangle AccessibleListBoxEntry::GetBoundingBoxOnScreen_Impl() const
{
tools::Rectangle aRect;
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( pEntry )
{
aRect = getListBox()->GetBoundingRect( pEntry );
Point aTopLeft = aRect.TopLeft();
aTopLeft += getListBox()->GetWindowExtentsRelative( nullptr ).TopLeft();
aRect = tools::Rectangle( aTopLeft, aRect.GetSize() );
}
return aRect;
}
bool AccessibleListBoxEntry::IsAlive_Impl() const
{
return ( !rBHelper.bDisposed && !rBHelper.bInDispose && isAlive() );
}
bool AccessibleListBoxEntry::IsShowing_Impl() const
{
Reference< XAccessible > xParent = implGetParentAccessible( );
bool bShowing = false;
Reference< XAccessibleContext > xParentContext =
xParent.is() ? xParent->getAccessibleContext() : Reference< XAccessibleContext >();
if( xParentContext.is() )
{
Reference< XAccessibleComponent > xParentComp( xParentContext, uno::UNO_QUERY );
if( xParentComp.is() )
bShowing = GetBoundingBox_Impl().IsOver( VCLRectangle( xParentComp->getBounds() ) );
}
return bShowing;
}
tools::Rectangle AccessibleListBoxEntry::GetBoundingBox()
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return GetBoundingBox_Impl();
}
tools::Rectangle AccessibleListBoxEntry::GetBoundingBoxOnScreen()
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return GetBoundingBoxOnScreen_Impl();
}
void AccessibleListBoxEntry::EnsureIsAlive() const
{
if ( !IsAlive_Impl() )
throw lang::DisposedException();
}
OUString AccessibleListBoxEntry::implGetText()
{
OUString sRet;
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( pEntry )
sRet = SvTreeListBox::SearchEntryTextWithHeadTitle( pEntry );
return sRet;
}
Locale AccessibleListBoxEntry::implGetLocale()
{
Locale aLocale;
aLocale = Application::GetSettings().GetUILanguageTag().getLocale();
return aLocale;
}
void AccessibleListBoxEntry::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex )
{
nStartIndex = 0;
nEndIndex = 0;
}
// XTypeProvider
Sequence< sal_Int8 > AccessibleListBoxEntry::getImplementationId()
{
return css::uno::Sequence<sal_Int8>();
}
// XComponent/ListBoxAccessibleBase
void SAL_CALL AccessibleListBoxEntry::dispose()
{
AccessibleListBoxEntry_BASE::dispose();
}
// XComponent
void SAL_CALL AccessibleListBoxEntry::disposing()
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
Reference< XAccessible > xKeepAlive( this );
// Send a disposing to all listeners.
if ( m_nClientId )
{
::comphelper::AccessibleEventNotifier::TClientId nId = m_nClientId;
m_nClientId = 0;
::comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( nId, *this );
}
// clean up
{
ListBoxAccessibleBase::disposing();
}
m_aParent.clear();
}
// XServiceInfo
OUString SAL_CALL AccessibleListBoxEntry::getImplementationName()
{
return OUString( "com.sun.star.comp.svtools.AccessibleTreeListBoxEntry" );
}
Sequence< OUString > SAL_CALL AccessibleListBoxEntry::getSupportedServiceNames()
{
return {"com.sun.star.accessibility.AccessibleContext",
"com.sun.star.accessibility.AccessibleComponent",
"com.sun.star.awt.AccessibleTreeListBoxEntry"};
}
sal_Bool SAL_CALL AccessibleListBoxEntry::supportsService( const OUString& _rServiceName )
{
return cppu::supportsService(this, _rServiceName);
}
// XAccessible
Reference< XAccessibleContext > SAL_CALL AccessibleListBoxEntry::getAccessibleContext( )
{
EnsureIsAlive();
return this;
}
// XAccessibleContext
sal_Int32 SAL_CALL AccessibleListBoxEntry::getAccessibleChildCount( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
sal_Int32 nCount = 0;
if ( pEntry )
nCount = getListBox()->GetLevelChildCount( pEntry );
return nCount;
}
Reference< XAccessible > SAL_CALL AccessibleListBoxEntry::getAccessibleChild( sal_Int32 i )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
SvTreeListEntry* pEntry = GetRealChild(i);
if ( !pEntry )
throw IndexOutOfBoundsException();
return new AccessibleListBoxEntry( *getListBox(), pEntry, this );
}
Reference< XAccessible > AccessibleListBoxEntry::implGetParentAccessible( ) const
{
Reference< XAccessible > xParent(m_aParent);
if ( !xParent.is() )
{
OSL_ENSURE( m_aEntryPath.size(), "AccessibleListBoxEntry::getAccessibleParent: invalid path!" );
if ( m_aEntryPath.size() == 1 )
{ // we're a top level entry
// -> our parent is the tree listbox itself
if ( getListBox() )
xParent = getListBox()->GetAccessible( );
}
else
{ // we have a entry as parent -> get its accessible
// shorten our access path by one
std::deque< sal_Int32 > aParentPath( m_aEntryPath );
aParentPath.pop_back();
// get the entry for this shortened access path
SvTreeListEntry* pParentEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
OSL_ENSURE( pParentEntry, "AccessibleListBoxEntry::implGetParentAccessible: could not obtain a parent entry!" );
if ( pParentEntry )
pParentEntry = getListBox()->GetParent(pParentEntry);
if ( pParentEntry )
xParent = new AccessibleListBoxEntry( *getListBox(), pParentEntry, nullptr );
// note that we pass NULL here as parent-accessible:
// this is allowed, as the AccessibleListBoxEntry class will create its parent
// when needed
}
}
return xParent;
}
Reference< XAccessible > SAL_CALL AccessibleListBoxEntry::getAccessibleParent( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return implGetParentAccessible( );
}
sal_Int32 SAL_CALL AccessibleListBoxEntry::getAccessibleIndexInParent( )
{
::osl::MutexGuard aGuard( m_aMutex );
OSL_ENSURE( !m_aEntryPath.empty(), "empty path" );
return m_aEntryPath.empty() ? -1 : m_aEntryPath.back();
}
sal_Int32 AccessibleListBoxEntry::GetRoleType()
{
sal_Int32 nCase = 0;
SvTreeListEntry* pEntry = getListBox()->GetEntry(0);
if ( pEntry )
{
if( pEntry->HasChildrenOnDemand() || getListBox()->GetChildCount(pEntry) > 0 )
{
nCase = 1;
return nCase;
}
}
bool bHasButtons = (getListBox()->GetStyle() & WB_HASBUTTONS)!=0;
if( !(getListBox()->GetTreeFlags() & SvTreeFlags::CHKBTN) )
{
if( bHasButtons )
nCase = 1;
}
else
{
if( bHasButtons )
nCase = 2;
else
nCase = 3;
}
return nCase;
}
sal_Int16 SAL_CALL AccessibleListBoxEntry::getAccessibleRole( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
SvTreeListBox* pBox = getListBox();
if(pBox)
{
SvTreeAccRoleType nType = pBox->GetAllEntriesAccessibleRoleType();
if( nType == SvTreeAccRoleType::TREE)
return AccessibleRole::TREE_ITEM;
SvTreeFlags treeFlag = pBox->GetTreeFlags();
if(treeFlag & SvTreeFlags::CHKBTN )
{
SvTreeListEntry* pEntry = pBox->GetEntryFromPath( m_aEntryPath );
SvButtonState eState = pBox->GetCheckButtonState( pEntry );
switch( eState )
{
case SvButtonState::Checked:
case SvButtonState::Unchecked:
return AccessibleRole::CHECK_BOX;
case SvButtonState::Tristate:
default:
return AccessibleRole::LABEL;
}
}
if (GetRoleType() == 0)
return AccessibleRole::LIST_ITEM;
else
//o is: return AccessibleRole::LABEL;
return AccessibleRole::TREE_ITEM;
}
return AccessibleRole::UNKNOWN;
}
OUString SAL_CALL AccessibleListBoxEntry::getAccessibleDescription( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
if( getAccessibleRole() == AccessibleRole::TREE_ITEM )
{
return getListBox()->GetEntryLongDescription( pEntry );
}
//want to cout the real column number in the list box.
sal_uInt16 iRealItemCount = 0;
sal_uInt16 iCount = 0;
sal_uInt16 iTotleItemCount = pEntry->ItemCount();
while( iCount < iTotleItemCount )
{
const SvLBoxItem& rItem = pEntry->GetItem( iCount );
if ( rItem.GetType() == SvLBoxItemType::String &&
!static_cast<const SvLBoxString&>( rItem ).GetText().isEmpty() )
{
iRealItemCount++;
}
iCount++;
}
if(iRealItemCount<=1 )
{
return OUString();
}
else
{
return SvTreeListBox::SearchEntryTextWithHeadTitle( pEntry );
}
}
OUString SAL_CALL AccessibleListBoxEntry::getAccessibleName( )
{
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
OUString sRet(implGetText());
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
OUString altText = getListBox()->GetEntryAltText( pEntry );
if (!altText.isEmpty())
{
sRet += " ";
sRet += altText;
}
return sRet;
}
Reference< XAccessibleRelationSet > SAL_CALL AccessibleListBoxEntry::getAccessibleRelationSet( )
{
Reference< XAccessibleRelationSet > xRelSet;
Reference< XAccessible > xParent;
if ( m_aEntryPath.size() > 1 ) // not a root entry
xParent = implGetParentAccessible();
if ( xParent.is() )
{
utl::AccessibleRelationSetHelper* pRelationSetHelper = new utl::AccessibleRelationSetHelper;
Sequence< Reference< XInterface > > aSequence { xParent };
pRelationSetHelper->AddRelation(
AccessibleRelation( AccessibleRelationType::NODE_CHILD_OF, aSequence ) );
xRelSet = pRelationSetHelper;
}
return xRelSet;
}
Reference< XAccessibleStateSet > SAL_CALL AccessibleListBoxEntry::getAccessibleStateSet( )
{
::osl::MutexGuard aGuard( m_aMutex );
utl::AccessibleStateSetHelper* pStateSetHelper = new utl::AccessibleStateSetHelper;
Reference< XAccessibleStateSet > xStateSet = pStateSetHelper;
if ( IsAlive_Impl() )
{
switch(getAccessibleRole())
{
case AccessibleRole::LABEL:
pStateSetHelper->AddState( AccessibleStateType::TRANSIENT );
pStateSetHelper->AddState( AccessibleStateType::SELECTABLE );
pStateSetHelper->AddState( AccessibleStateType::ENABLED );
if (getListBox()->IsInplaceEditingEnabled())
pStateSetHelper->AddState( AccessibleStateType::EDITABLE );
if (IsShowing_Impl())
pStateSetHelper->AddState( AccessibleStateType::SHOWING );
break;
case AccessibleRole::CHECK_BOX:
pStateSetHelper->AddState( AccessibleStateType::TRANSIENT );
pStateSetHelper->AddState( AccessibleStateType::SELECTABLE );
pStateSetHelper->AddState( AccessibleStateType::ENABLED );
if (IsShowing_Impl())
pStateSetHelper->AddState( AccessibleStateType::SHOWING );
break;
}
SvTreeListEntry *pEntry = getListBox()->GetEntryFromPath(m_aEntryPath);
if (pEntry)
getListBox()->FillAccessibleEntryStateSet(pEntry, *pStateSetHelper);
}
else
pStateSetHelper->AddState( AccessibleStateType::DEFUNC );
return xStateSet;
}
Locale SAL_CALL AccessibleListBoxEntry::getLocale( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
return implGetLocale();
}
// XAccessibleComponent
sal_Bool SAL_CALL AccessibleListBoxEntry::containsPoint( const awt::Point& rPoint )
{
return tools::Rectangle( Point(), GetBoundingBox().GetSize() ).IsInside( VCLPoint( rPoint ) );
}
Reference< XAccessible > SAL_CALL AccessibleListBoxEntry::getAccessibleAtPoint( const awt::Point& _aPoint )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
SvTreeListEntry* pEntry = getListBox()->GetEntry( VCLPoint( _aPoint ) );
if ( !pEntry )
throw RuntimeException();
Reference< XAccessible > xAcc;
AccessibleListBoxEntry* pAccEntry = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
tools::Rectangle aRect = pAccEntry->GetBoundingBox_Impl();
if ( aRect.IsInside( VCLPoint( _aPoint ) ) )
xAcc = pAccEntry;
return xAcc;
}
awt::Rectangle SAL_CALL AccessibleListBoxEntry::getBounds( )
{
return AWTRectangle( GetBoundingBox() );
}
awt::Point SAL_CALL AccessibleListBoxEntry::getLocation( )
{
return AWTPoint( GetBoundingBox().TopLeft() );
}
awt::Point SAL_CALL AccessibleListBoxEntry::getLocationOnScreen( )
{
return AWTPoint( GetBoundingBoxOnScreen().TopLeft() );
}
awt::Size SAL_CALL AccessibleListBoxEntry::getSize( )
{
return AWTSize( GetBoundingBox().GetSize() );
}
void SAL_CALL AccessibleListBoxEntry::grabFocus( )
{
// do nothing, because no focus for each item
}
sal_Int32 AccessibleListBoxEntry::getForeground( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
sal_Int32 nColor = 0;
Reference< XAccessible > xParent = getAccessibleParent();
if ( xParent.is() )
{
Reference< XAccessibleComponent > xParentComp( xParent->getAccessibleContext(), UNO_QUERY );
if ( xParentComp.is() )
nColor = xParentComp->getForeground();
}
return nColor;
}
sal_Int32 AccessibleListBoxEntry::getBackground( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
sal_Int32 nColor = 0;
Reference< XAccessible > xParent = getAccessibleParent();
if ( xParent.is() )
{
Reference< XAccessibleComponent > xParentComp( xParent->getAccessibleContext(), UNO_QUERY );
if ( xParentComp.is() )
nColor = xParentComp->getBackground();
}
return nColor;
}
// XAccessibleText
awt::Rectangle SAL_CALL AccessibleListBoxEntry::getCharacterBounds( sal_Int32 nIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
if ( !implIsValidIndex( nIndex, implGetText().getLength() ) )
throw IndexOutOfBoundsException();
awt::Rectangle aBounds( 0, 0, 0, 0 );
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( pEntry )
{
vcl::ControlLayoutData aLayoutData;
tools::Rectangle aItemRect = GetBoundingBox();
getListBox()->RecordLayoutData( &aLayoutData, aItemRect );
tools::Rectangle aCharRect = aLayoutData.GetCharacterBounds( nIndex );
aCharRect.Move( -aItemRect.Left(), -aItemRect.Top() );
aBounds = AWTRectangle( aCharRect );
}
return aBounds;
}
sal_Int32 SAL_CALL AccessibleListBoxEntry::getIndexAtPoint( const awt::Point& aPoint )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
if(aPoint.X==0 && aPoint.Y==0) return 0;
sal_Int32 nIndex = -1;
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( pEntry )
{
vcl::ControlLayoutData aLayoutData;
tools::Rectangle aItemRect = GetBoundingBox();
getListBox()->RecordLayoutData( &aLayoutData, aItemRect );
Point aPnt( VCLPoint( aPoint ) );
aPnt += aItemRect.TopLeft();
nIndex = aLayoutData.GetIndexForPoint( aPnt );
}
return nIndex;
}
sal_Bool SAL_CALL AccessibleListBoxEntry::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
OUString sText = getText();
if ( ( 0 > nStartIndex ) || ( sText.getLength() <= nStartIndex )
|| ( 0 > nEndIndex ) || ( sText.getLength() <= nEndIndex ) )
throw IndexOutOfBoundsException();
sal_Int32 nLen = nEndIndex - nStartIndex + 1;
::svt::OStringTransfer::CopyString( sText.copy( nStartIndex, nLen ), getListBox() );
return true;
}
// XAccessibleEventBroadcaster
void SAL_CALL AccessibleListBoxEntry::addAccessibleEventListener( const Reference< XAccessibleEventListener >& xListener )
{
if (xListener.is())
{
::osl::MutexGuard aGuard( m_aMutex );
if (!m_nClientId)
m_nClientId = comphelper::AccessibleEventNotifier::registerClient( );
comphelper::AccessibleEventNotifier::addEventListener( m_nClientId, xListener );
}
}
void SAL_CALL AccessibleListBoxEntry::removeAccessibleEventListener( const Reference< XAccessibleEventListener >& xListener )
{
if (xListener.is())
{
::osl::MutexGuard aGuard( m_aMutex );
sal_Int32 nListenerCount = comphelper::AccessibleEventNotifier::removeEventListener( m_nClientId, xListener );
if ( !nListenerCount )
{
// no listeners anymore
// -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
// and at least to us not firing any events anymore, in case somebody calls
// NotifyAccessibleEvent, again
sal_Int32 nId = m_nClientId;
m_nClientId = 0;
comphelper::AccessibleEventNotifier::revokeClient( nId );
}
}
}
// XAccessibleAction
sal_Int32 SAL_CALL AccessibleListBoxEntry::getAccessibleActionCount( )
{
::osl::MutexGuard aGuard( m_aMutex );
// three actions supported
SvTreeListBox* pBox = getListBox();
SvTreeFlags treeFlag = pBox->GetTreeFlags();
bool bHasButtons = (getListBox()->GetStyle() & WB_HASBUTTONS)!=0;
if( (treeFlag & SvTreeFlags::CHKBTN) && !bHasButtons)
{
sal_Int16 role = getAccessibleRole();
if ( role == AccessibleRole::CHECK_BOX )
return 2;
else if ( role == AccessibleRole::LABEL )
return 0;
}
else
return ACCESSIBLE_ACTION_COUNT;
return 0;
}
sal_Bool SAL_CALL AccessibleListBoxEntry::doAccessibleAction( sal_Int32 nIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
bool bRet = false;
checkActionIndex_Impl( nIndex );
EnsureIsAlive();
SvTreeFlags treeFlag = getListBox()->GetTreeFlags();
if( nIndex == 0 && (treeFlag & SvTreeFlags::CHKBTN) )
{
if(getAccessibleRole() == AccessibleRole::CHECK_BOX)
{
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
SvButtonState state = getListBox()->GetCheckButtonState( pEntry );
if ( state == SvButtonState::Checked )
getListBox()->SetCheckButtonState(pEntry, SvButtonState::Unchecked);
else if (state == SvButtonState::Unchecked)
getListBox()->SetCheckButtonState(pEntry, SvButtonState::Checked);
}
}
else if( (nIndex == 1 && (treeFlag & SvTreeFlags::CHKBTN) ) || (nIndex == 0) )
{
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( pEntry )
{
if ( getListBox()->IsExpanded( pEntry ) )
getListBox()->Collapse( pEntry );
else
getListBox()->Expand( pEntry );
bRet = true;
}
}
return bRet;
}
OUString SAL_CALL AccessibleListBoxEntry::getAccessibleActionDescription( sal_Int32 nIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
checkActionIndex_Impl( nIndex );
EnsureIsAlive();
// sal_Bool bHasButtons = (getListBox()->GetStyle() & WB_HASBUTTONS)!=0;
SvTreeListEntry* pEntry = getListBox()->GetEntryFromPath( m_aEntryPath );
SvButtonState state = getListBox()->GetCheckButtonState( pEntry );
SvTreeFlags treeFlag = getListBox()->GetTreeFlags();
if(nIndex == 0 && (treeFlag & SvTreeFlags::CHKBTN))
{
if(getAccessibleRole() == AccessibleRole::CHECK_BOX)
{
if ( state == SvButtonState::Checked )
return OUString("UnCheck");
else if (state == SvButtonState::Unchecked)
return OUString("Check");
}
else
{
//Sometimes, a List or Tree may have both checkbox and label at the same time
return OUString();
}
}else if( (nIndex == 1 && (treeFlag & SvTreeFlags::CHKBTN)) || nIndex == 0 )
{
if( pEntry->HasChildren() || pEntry->HasChildrenOnDemand() )
return getListBox()->IsExpanded( pEntry ) ?
AccResId(STR_SVT_ACC_ACTION_COLLAPSE) :
AccResId(STR_SVT_ACC_ACTION_EXPAND);
return OUString();
}
throw IndexOutOfBoundsException();
}
Reference< XAccessibleKeyBinding > AccessibleListBoxEntry::getAccessibleActionKeyBinding( sal_Int32 nIndex )
{
::osl::MutexGuard aGuard( m_aMutex );
Reference< XAccessibleKeyBinding > xRet;
checkActionIndex_Impl( nIndex );
// ... which key?
return xRet;
}
// XAccessibleSelection
void SAL_CALL AccessibleListBoxEntry::selectAccessibleChild( sal_Int32 nChildIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
SvTreeListEntry* pEntry = GetRealChild(nChildIndex);
if ( !pEntry )
throw IndexOutOfBoundsException();
getListBox()->Select( pEntry );
}
sal_Bool SAL_CALL AccessibleListBoxEntry::isAccessibleChildSelected( sal_Int32 nChildIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
SvTreeListEntry* pParent = getListBox()->GetEntryFromPath( m_aEntryPath );
SvTreeListEntry* pEntry = getListBox()->GetEntry( pParent, nChildIndex );
if ( !pEntry )
throw IndexOutOfBoundsException();
return getListBox()->IsSelected( pEntry );
}
void SAL_CALL AccessibleListBoxEntry::clearAccessibleSelection( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
SvTreeListEntry* pParent = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( !pParent )
throw RuntimeException();
sal_Int32 nCount = getListBox()->GetLevelChildCount( pParent );
for ( sal_Int32 i = 0; i < nCount; ++i )
{
SvTreeListEntry* pEntry = getListBox()->GetEntry( pParent, i );
if ( getListBox()->IsSelected( pEntry ) )
getListBox()->Select( pEntry, false );
}
}
void SAL_CALL AccessibleListBoxEntry::selectAllAccessibleChildren( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
SvTreeListEntry* pParent = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( !pParent )
throw RuntimeException();
sal_Int32 nCount = getListBox()->GetLevelChildCount( pParent );
for ( sal_Int32 i = 0; i < nCount; ++i )
{
SvTreeListEntry* pEntry = getListBox()->GetEntry( pParent, i );
if ( !getListBox()->IsSelected( pEntry ) )
getListBox()->Select( pEntry );
}
}
sal_Int32 SAL_CALL AccessibleListBoxEntry::getSelectedAccessibleChildCount( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
sal_Int32 i, nSelCount = 0, nCount = 0;
SvTreeListEntry* pParent = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( !pParent )
throw RuntimeException();
nCount = getListBox()->GetLevelChildCount( pParent );
for ( i = 0; i < nCount; ++i )
{
SvTreeListEntry* pEntry = getListBox()->GetEntry( pParent, i );
if ( getListBox()->IsSelected( pEntry ) )
++nSelCount;
}
return nSelCount;
}
Reference< XAccessible > SAL_CALL AccessibleListBoxEntry::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
throw IndexOutOfBoundsException();
Reference< XAccessible > xChild;
sal_Int32 i, nSelCount = 0, nCount = 0;
SvTreeListEntry* pParent = getListBox()->GetEntryFromPath( m_aEntryPath );
if ( !pParent )
throw RuntimeException();
nCount = getListBox()->GetLevelChildCount( pParent );
for ( i = 0; i < nCount; ++i )
{
SvTreeListEntry* pEntry = getListBox()->GetEntry( pParent, i );
if ( getListBox()->IsSelected( pEntry ) )
++nSelCount;
if ( nSelCount == ( nSelectedChildIndex + 1 ) )
{
xChild = new AccessibleListBoxEntry( *getListBox(), pEntry, this );
break;
}
}
return xChild;
}
void SAL_CALL AccessibleListBoxEntry::deselectAccessibleChild( sal_Int32 nSelectedChildIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
SvTreeListEntry* pParent = getListBox()->GetEntryFromPath( m_aEntryPath );
SvTreeListEntry* pEntry = getListBox()->GetEntry( pParent, nSelectedChildIndex );
if ( !pEntry )
throw IndexOutOfBoundsException();
getListBox()->Select( pEntry, false );
}
sal_Int32 SAL_CALL AccessibleListBoxEntry::getCaretPosition( )
{
return -1;
}
sal_Bool SAL_CALL AccessibleListBoxEntry::setCaretPosition ( sal_Int32 nIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
if ( !implIsValidRange( nIndex, nIndex, implGetText().getLength() ) )
throw IndexOutOfBoundsException();
return false;
}
sal_Unicode SAL_CALL AccessibleListBoxEntry::getCharacter( sal_Int32 nIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getCharacter( nIndex );
}
css::uno::Sequence< css::beans::PropertyValue > SAL_CALL AccessibleListBoxEntry::getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
OUString sText( implGetText() );
if ( !implIsValidIndex( nIndex, sText.getLength() ) )
throw IndexOutOfBoundsException();
return css::uno::Sequence< css::beans::PropertyValue >();
}
sal_Int32 SAL_CALL AccessibleListBoxEntry::getCharacterCount( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getCharacterCount( );
}
OUString SAL_CALL AccessibleListBoxEntry::getSelectedText( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getSelectedText( );
}
sal_Int32 SAL_CALL AccessibleListBoxEntry::getSelectionStart( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getSelectionStart( );
}
sal_Int32 SAL_CALL AccessibleListBoxEntry::getSelectionEnd( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getSelectionEnd( );
}
sal_Bool SAL_CALL AccessibleListBoxEntry::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
if ( !implIsValidRange( nStartIndex, nEndIndex, implGetText().getLength() ) )
throw IndexOutOfBoundsException();
return false;
}
OUString SAL_CALL AccessibleListBoxEntry::getText( )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return implGetText( );
}
OUString SAL_CALL AccessibleListBoxEntry::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getTextRange( nStartIndex, nEndIndex );
}
css::accessibility::TextSegment SAL_CALL AccessibleListBoxEntry::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getTextAtIndex( nIndex ,aTextType);
}
css::accessibility::TextSegment SAL_CALL AccessibleListBoxEntry::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getTextBeforeIndex( nIndex ,aTextType);
}
css::accessibility::TextSegment SAL_CALL AccessibleListBoxEntry::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
SolarMutexGuard aSolarGuard;
::osl::MutexGuard aGuard( m_aMutex );
EnsureIsAlive();
return OCommonAccessibleText::getTextBehindIndex( nIndex ,aTextType);
}
// XAccessibleValue
Any AccessibleListBoxEntry::getCurrentValue( )
{
::osl::MutexGuard aGuard( m_aMutex );
Any aValue;
sal_Int32 level = ((sal_Int32) m_aEntryPath.size() - 1);
level = level < 0 ? 0: level;
aValue <<= level;
return aValue;
}
sal_Bool AccessibleListBoxEntry::setCurrentValue( const Any& aNumber )
{
::osl::MutexGuard aGuard( m_aMutex );
bool bReturn = false;
SvTreeListBox* pBox = getListBox();
if(getAccessibleRole() == AccessibleRole::CHECK_BOX)
{
SvTreeListEntry* pEntry = pBox->GetEntryFromPath( m_aEntryPath );
if ( pEntry )
{
sal_Int32 nValue(0), nValueMin(0), nValueMax(0);
aNumber >>= nValue;
getMinimumValue() >>= nValueMin;
getMaximumValue() >>= nValueMax;
if ( nValue < nValueMin )
nValue = nValueMin;
else if ( nValue > nValueMax )
nValue = nValueMax;
pBox->SetCheckButtonState(pEntry, (SvButtonState) nValue );
bReturn = true;
}
}
return bReturn;
}
Any AccessibleListBoxEntry::getMaximumValue( )
{
::osl::MutexGuard aGuard( m_aMutex );
Any aValue;
// SvTreeListBox* pBox = getListBox();
switch(getAccessibleRole())
{
case AccessibleRole::CHECK_BOX:
aValue <<= (sal_Int32)1;
break;
case AccessibleRole::LABEL:
default:
break;
}
return aValue;
}
Any AccessibleListBoxEntry::getMinimumValue( )
{
::osl::MutexGuard aGuard( m_aMutex );
Any aValue;
// SvTreeListBox* pBox = getListBox();
switch(getAccessibleRole())
{
case AccessibleRole::CHECK_BOX:
aValue <<= (sal_Int32)0;
break;
case AccessibleRole::LABEL:
default:
break;
}
return aValue;
}
SvTreeListEntry* AccessibleListBoxEntry::GetRealChild(sal_Int32 nIndex)
{
SvTreeListEntry* pEntry = nullptr;
SvTreeListEntry* pParent = getListBox()->GetEntryFromPath( m_aEntryPath );
if (pParent)
{
pEntry = getListBox()->GetEntry( pParent, nIndex );
if ( !pEntry && getAccessibleChildCount() > 0 )
{
getListBox()->RequestingChildren(pParent);
pEntry = getListBox()->GetEntry( pParent, nIndex );
}
}
return pEntry;
}
}// namespace accessibility
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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