/* -*- 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 <AccessibleBase.hxx>
#include "AccessibleChartShape.hxx"
#include <ObjectHierarchy.hxx>
#include <ObjectIdentifier.hxx>
#include <chartview/ExplicitValueProvider.hxx>
#include <com/sun/star/awt/XDevice.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleEventObject.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/drawing/LineStyle.hpp>
#include <com/sun/star/drawing/FillStyle.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <com/sun/star/view/XSelectionSupplier.hpp>
#include <com/sun/star/chart2/XChartDocument.hpp>
#include <rtl/ustrbuf.hxx>
#include <sal/log.hxx>
#include <vcl/svapp.hxx>
#include <rtl/uuid.h>
#include <cppuhelper/queryinterface.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <svl/itemset.hxx>
#include <editeng/unofdesc.hxx>
#include <editeng/outliner.hxx>
#include <svx/svdoutl.hxx>
#include <svx/svdetc.hxx>
#include <svx/unoshape.hxx>
#include <svx/unoprov.hxx>
#include <vcl/unohelp.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <vcl/window.hxx>
#include <vcl/graph.hxx>
#include <vcl/settings.hxx>
#include <o3tl/functional.hxx>
#include <tools/diagnose_ex.h>
#include <unotools/accessiblestatesethelper.hxx>
#include <algorithm>
#include <iterator>
#include "ChartElementFactory.hxx"
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::Reference;
using ::osl::MutexGuard;
using ::osl::ClearableMutexGuard;
using ::osl::ResettableMutexGuard;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::uno::Any;
namespace chart
{
/** @param bMayHaveChildren is false per default
*/
AccessibleBase::AccessibleBase(
const AccessibleElementInfo & rAccInfo,
bool bMayHaveChildren,
bool bAlwaysTransparent /* default: false */ ) :
impl::AccessibleBase_Base( m_aMutex ),
m_bIsDisposed( false ),
m_bMayHaveChildren( bMayHaveChildren ),
m_bChildrenInitialized( false ),
m_nEventNotifierId(0),
m_xStateSetHelper( new ::utl::AccessibleStateSetHelper() ),
m_aAccInfo( rAccInfo ),
m_bAlwaysTransparent( bAlwaysTransparent ),
m_bStateSetInitialized( false )
{
// initialize some states
OSL_ASSERT( m_xStateSetHelper.is() );
m_xStateSetHelper->AddState( AccessibleStateType::ENABLED );
m_xStateSetHelper->AddState( AccessibleStateType::SHOWING );
m_xStateSetHelper->AddState( AccessibleStateType::VISIBLE );
m_xStateSetHelper->AddState( AccessibleStateType::SELECTABLE );
m_xStateSetHelper->AddState( AccessibleStateType::FOCUSABLE );
}
AccessibleBase::~AccessibleBase()
{
OSL_ASSERT( m_bIsDisposed );
}
bool AccessibleBase::CheckDisposeState( bool bThrowException /* default: true */ ) const
{
if( bThrowException &&
m_bIsDisposed )
{
throw lang::DisposedException("component has state DEFUNC",
static_cast< uno::XWeak * >( const_cast< AccessibleBase * >( this )));
}
return m_bIsDisposed;
}
bool AccessibleBase::NotifyEvent( EventType eEventType, const AccessibleUniqueId & rId )
{
if( GetId() == rId )
{
// event is addressed to this object
css::uno::Any aEmpty;
css::uno::Any aSelected;
aSelected <<= AccessibleStateType::SELECTED;
switch( eEventType )
{
case EventType::GOT_SELECTION:
{
AddState( AccessibleStateType::SELECTED );
BroadcastAccEvent( AccessibleEventId::STATE_CHANGED, aSelected, aEmpty );
AddState( AccessibleStateType::FOCUSED );
aSelected <<= AccessibleStateType::FOCUSED;
BroadcastAccEvent( AccessibleEventId::STATE_CHANGED, aSelected, aEmpty, true );
SAL_INFO("chart2.accessibility", "Selection acquired by: " << getAccessibleName());
}
break;
case EventType::LOST_SELECTION:
{
RemoveState( AccessibleStateType::SELECTED );
BroadcastAccEvent( AccessibleEventId::STATE_CHANGED, aEmpty, aSelected );
AddState( AccessibleStateType::FOCUSED );
aSelected <<= AccessibleStateType::FOCUSED;
BroadcastAccEvent( AccessibleEventId::STATE_CHANGED, aEmpty, aSelected, true );
SAL_INFO("chart2.accessibility", "Selection lost by: " << getAccessibleName());
}
break;
}
return true;
}
else if( m_bMayHaveChildren )
{
bool bStop = false;
ClearableMutexGuard aGuard( GetMutex() );
// make local copy for notification
ChildListVectorType aLocalChildList( m_aChildList );
aGuard.clear();
for (auto const& localChild : aLocalChildList)
{
// Note: at this place we must be sure to have an AccessibleBase
// object in the UNO reference to XAccessible !
bStop = (*static_cast< AccessibleBase * >
( localChild.get() )).NotifyEvent( eEventType, rId );
if (bStop)
break;
}
return bStop;
}
return false;
}
void AccessibleBase::AddState( sal_Int16 aState )
{
CheckDisposeState();
OSL_ASSERT( m_xStateSetHelper.is() );
m_xStateSetHelper->AddState( aState );
}
void AccessibleBase::RemoveState( sal_Int16 aState )
{
CheckDisposeState();
OSL_ASSERT( m_xStateSetHelper.is() );
m_xStateSetHelper->RemoveState( aState );
}
bool AccessibleBase::UpdateChildren()
{
bool bMustUpdateChildren = false;
{
MutexGuard aGuard( GetMutex() );
if( ! m_bMayHaveChildren ||
m_bIsDisposed )
return false;
bMustUpdateChildren = ( m_bMayHaveChildren &&
! m_bChildrenInitialized );
}
// update unguarded
if( bMustUpdateChildren )
m_bChildrenInitialized = ImplUpdateChildren();
return m_bChildrenInitialized;
}
bool AccessibleBase::ImplUpdateChildren()
{
bool bResult = false;
if( m_aAccInfo.m_spObjectHierarchy )
{
ObjectHierarchy::tChildContainer aModelChildren(
m_aAccInfo.m_spObjectHierarchy->getChildren( GetId() ));
std::vector< ChildOIDMap::key_type > aAccChildren;
aAccChildren.reserve( aModelChildren.size());
std::transform( m_aChildOIDMap.begin(), m_aChildOIDMap.end(),
std::back_inserter( aAccChildren ),
::o3tl::select1st< ChildOIDMap::value_type >() );
std::sort( aModelChildren.begin(), aModelChildren.end());
std::vector< ObjectIdentifier > aChildrenToRemove, aChildrenToAdd;
std::set_difference( aModelChildren.begin(), aModelChildren.end(),
aAccChildren.begin(), aAccChildren.end(),
std::back_inserter( aChildrenToAdd ));
std::set_difference( aAccChildren.begin(), aAccChildren.end(),
aModelChildren.begin(), aModelChildren.end(),
std::back_inserter( aChildrenToRemove ));
for (auto const& childToRemove : aChildrenToRemove)
{
RemoveChildByOId(childToRemove);
}
AccessibleElementInfo aAccInfo( GetInfo());
aAccInfo.m_pParent = this;
for (auto const& childToAdd : aChildrenToAdd)
{
aAccInfo.m_aOID = childToAdd;
if ( childToAdd.isAutoGeneratedObject() )
{
AddChild( ChartElementFactory::CreateChartElement( aAccInfo ) );
}
else if ( childToAdd.isAdditionalShape() )
{
AddChild( new AccessibleChartShape( aAccInfo ) );
}
}
bResult = true;
}
return bResult;
}
void AccessibleBase::AddChild( AccessibleBase * pChild )
{
OSL_ENSURE( pChild != nullptr, "Invalid Child" );
if( pChild )
{
ClearableMutexGuard aGuard( GetMutex() );
Reference< XAccessible > xChild( pChild );
m_aChildList.push_back( xChild );
m_aChildOIDMap[ pChild->GetId() ] = xChild;
// inform listeners of new child
if( m_bChildrenInitialized )
{
Any aEmpty, aNew;
aNew <<= xChild;
aGuard.clear();
BroadcastAccEvent( AccessibleEventId::CHILD, aNew, aEmpty );
}
}
}
/** in this method we imply that the Reference< XAccessible > elements in the
vector are AccessibleBase objects !
*/
void AccessibleBase::RemoveChildByOId( const ObjectIdentifier& rOId )
{
ClearableMutexGuard aGuard( GetMutex() );
ChildOIDMap::iterator aIt( m_aChildOIDMap.find( rOId ));
if( aIt != m_aChildOIDMap.end())
{
Reference< XAccessible > xChild( aIt->second );
// remove from map
m_aChildOIDMap.erase( aIt );
// search child in vector
ChildListVectorType::iterator aVecIter =
std::find( m_aChildList.begin(), m_aChildList.end(), xChild );
OSL_ENSURE( aVecIter != m_aChildList.end(),
"Inconsistent ChildMap" );
// remove child from vector
m_aChildList.erase( aVecIter );
bool bInitialized = m_bChildrenInitialized;
// call listeners unguarded
aGuard.clear();
// inform listeners of removed child
if( bInitialized )
{
Any aEmpty, aOld;
aOld <<= xChild;
BroadcastAccEvent( AccessibleEventId::CHILD, aEmpty, aOld );
}
// dispose the child
Reference< lang::XComponent > xComp( xChild, UNO_QUERY );
if( xComp.is())
xComp->dispose();
}
}
awt::Point AccessibleBase::GetUpperLeftOnScreen() const
{
awt::Point aResult;
if( m_aAccInfo.m_pParent )
{
ClearableMutexGuard aGuard( GetMutex() );
AccessibleBase * pParent = m_aAccInfo.m_pParent;
aGuard.clear();
if( pParent )
{
aResult = pParent->GetUpperLeftOnScreen();
}
else
OSL_FAIL( "Default position used is probably incorrect." );
}
return aResult;
}
void AccessibleBase::BroadcastAccEvent(
sal_Int16 nId,
const Any & rNew,
const Any & rOld,
bool bSendGlobally ) const
{
ClearableMutexGuard aGuard( GetMutex() );
if ( !m_nEventNotifierId && !bSendGlobally )
return;
// if we don't have a client id for the notifier, then we don't have listeners, then
// we don't need to notify anything
//except SendGlobally for focus handling?
// the const cast is needed, because UNO parameters are never const
const AccessibleEventObject aEvent(
const_cast< uno::XWeak * >( static_cast< const uno::XWeak * >( this )),
nId, rNew, rOld );
if ( m_nEventNotifierId ) // let the notifier handle this event
::comphelper::AccessibleEventNotifier::addEvent( m_nEventNotifierId, aEvent );
aGuard.clear();
// send event to global message queue
if( bSendGlobally )
{
vcl::unohelper::NotifyAccessibleStateEventGlobally( aEvent );
}
}
void AccessibleBase::KillAllChildren()
{
ClearableMutexGuard aGuard( GetMutex() );
// make local copy for notification
ChildListVectorType aLocalChildList( m_aChildList );
// remove all children
m_aChildList.clear();
m_aChildOIDMap.clear();
aGuard.clear();
// call dispose for all children
// and notify listeners
Reference< lang::XComponent > xComp;
Any aEmpty, aOld;
for (auto const& localChild : aLocalChildList)
{
aOld <<= localChild;
BroadcastAccEvent( AccessibleEventId::CHILD, aEmpty, aOld );
xComp.set(localChild, UNO_QUERY);
if( xComp.is())
xComp->dispose();
}
m_bChildrenInitialized = false;
}
void AccessibleBase::SetInfo( const AccessibleElementInfo & rNewInfo )
{
m_aAccInfo = rNewInfo;
if( m_bMayHaveChildren )
{
KillAllChildren();
}
BroadcastAccEvent( AccessibleEventId::INVALIDATE_ALL_CHILDREN, uno::Any(), uno::Any(),
true /* global notification */ );
}
// ________ (XComponent::dispose) ________
void SAL_CALL AccessibleBase::disposing()
{
ClearableMutexGuard aGuard( GetMutex() );
OSL_ENSURE( ! m_bIsDisposed, "dispose() called twice" );
// notify disposing to all AccessibleEvent listeners asynchron
if ( m_nEventNotifierId )
{
::comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( m_nEventNotifierId, *this );
m_nEventNotifierId = 0;
}
// reset pointers
m_aAccInfo.m_pParent = nullptr;
// attach new empty state set helper to member reference
::utl::AccessibleStateSetHelper * pHelper = new ::utl::AccessibleStateSetHelper();
pHelper->AddState( AccessibleStateType::DEFUNC );
// release old helper and attach new one
m_xStateSetHelper = pHelper;
m_bIsDisposed = true;
// call listeners unguarded
aGuard.clear();
if( m_bMayHaveChildren )
{
KillAllChildren();
}
else
OSL_ENSURE( m_aChildList.empty(), "Child list should be empty" );
}
// ________ XAccessible ________
Reference< XAccessibleContext > SAL_CALL AccessibleBase::getAccessibleContext()
{
return this;
}
// ________ AccessibleBase::XAccessibleContext ________
sal_Int32 SAL_CALL AccessibleBase::getAccessibleChildCount()
{
ClearableMutexGuard aGuard( GetMutex() );
if( ! m_bMayHaveChildren ||
m_bIsDisposed )
return 0;
bool bMustUpdateChildren = ( m_bMayHaveChildren &&
! m_bChildrenInitialized );
aGuard.clear();
// update unguarded
if( bMustUpdateChildren )
UpdateChildren();
return ImplGetAccessibleChildCount();
}
sal_Int32 AccessibleBase::ImplGetAccessibleChildCount() const
{
return m_aChildList.size();
}
Reference< XAccessible > SAL_CALL AccessibleBase::getAccessibleChild( sal_Int32 i )
{
CheckDisposeState();
Reference< XAccessible > xResult;
ResettableMutexGuard aGuard( GetMutex() );
bool bMustUpdateChildren = ( m_bMayHaveChildren &&
! m_bChildrenInitialized );
aGuard.clear();
if( bMustUpdateChildren )
UpdateChildren();
xResult.set( ImplGetAccessibleChildById( i ));
return xResult;
}
Reference< XAccessible > AccessibleBase::ImplGetAccessibleChildById( sal_Int32 i ) const
{
Reference< XAccessible > xResult;
MutexGuard aGuard( GetMutex());
if( ! m_bMayHaveChildren ||
i < 0 ||
static_cast< ChildListVectorType::size_type >( i ) >= m_aChildList.size() )
{
OUString aBuf = "Index " + OUString::number( i ) + " is invalid for range [ 0, " +
OUString::number( m_aChildList.size() - 1 ) +
" ]";
lang::IndexOutOfBoundsException aEx( aBuf,
const_cast< ::cppu::OWeakObject * >(
static_cast< const ::cppu::OWeakObject * >( this )));
throw aEx;
}
else
xResult.set( m_aChildList[ i ] );
return xResult;
}
Reference< XAccessible > SAL_CALL AccessibleBase::getAccessibleParent()
{
CheckDisposeState();
Reference< XAccessible > aResult;
if( m_aAccInfo.m_pParent )
aResult.set( m_aAccInfo.m_pParent );
return aResult;
}
sal_Int32 SAL_CALL AccessibleBase::getAccessibleIndexInParent()
{
CheckDisposeState();
if( m_aAccInfo.m_spObjectHierarchy )
return m_aAccInfo.m_spObjectHierarchy->getIndexInParent( GetId() );
return -1;
}
sal_Int16 SAL_CALL AccessibleBase::getAccessibleRole()
{
return AccessibleRole::SHAPE;
}
Reference< XAccessibleRelationSet > SAL_CALL AccessibleBase::getAccessibleRelationSet()
{
Reference< XAccessibleRelationSet > aResult;
return aResult;
}
Reference< XAccessibleStateSet > SAL_CALL AccessibleBase::getAccessibleStateSet()
{
if( ! m_bStateSetInitialized )
{
Reference< view::XSelectionSupplier > xSelSupp( GetInfo().m_xSelectionSupplier );
if ( xSelSupp.is() )
{
ObjectIdentifier aOID( xSelSupp->getSelection() );
if ( aOID.isValid() && GetId() == aOID )
{
AddState( AccessibleStateType::SELECTED );
AddState( AccessibleStateType::FOCUSED );
}
}
m_bStateSetInitialized = true;
}
return m_xStateSetHelper.get();
}
lang::Locale SAL_CALL AccessibleBase::getLocale()
{
CheckDisposeState();
return Application::GetSettings().GetLanguageTag().getLocale();
}
// ________ AccessibleBase::XAccessibleComponent ________
sal_Bool SAL_CALL AccessibleBase::containsPoint( const awt::Point& aPoint )
{
awt::Rectangle aRect( getBounds() );
// contains() works with relative coordinates
aRect.X = 0;
aRect.Y = 0;
return ( aPoint.X >= aRect.X &&
aPoint.Y >= aRect.Y &&
aPoint.X < (aRect.X + aRect.Width) &&
aPoint.Y < (aRect.Y + aRect.Height) );
}
Reference< XAccessible > SAL_CALL AccessibleBase::getAccessibleAtPoint( const awt::Point& aPoint )
{
CheckDisposeState();
Reference< XAccessible > aResult;
awt::Rectangle aRect( getBounds());
// children are positioned relative to this object, so translate bound rect
aRect.X = 0;
aRect.Y = 0;
// children must be inside the own bound rect
if( ( aRect.X <= aPoint.X && aPoint.X <= (aRect.X + aRect.Width) ) &&
( aRect.Y <= aPoint.Y && aPoint.Y <= (aRect.Y + aRect.Height)))
{
ClearableMutexGuard aGuard( GetMutex() );
ChildListVectorType aLocalChildList( m_aChildList );
aGuard.clear();
Reference< XAccessibleComponent > aComp;
for (auto const& localChild : aLocalChildList)
{
aComp.set(localChild, UNO_QUERY);
if( aComp.is())
{
aRect = aComp->getBounds();
if( ( aRect.X <= aPoint.X && aPoint.X <= (aRect.X + aRect.Width) ) &&
( aRect.Y <= aPoint.Y && aPoint.Y <= (aRect.Y + aRect.Height)))
{
aResult = localChild;
break;
}
}
}
}
return aResult;
}
awt::Rectangle SAL_CALL AccessibleBase::getBounds()
{
ExplicitValueProvider *pExplicitValueProvider(
ExplicitValueProvider::getExplicitValueProvider( m_aAccInfo.m_xView ));
if( pExplicitValueProvider )
{
VclPtr<vcl::Window> pWindow( VCLUnoHelper::GetWindow( m_aAccInfo.m_xWindow ));
awt::Rectangle aLogicRect( pExplicitValueProvider->getRectangleOfObject( m_aAccInfo.m_aOID.getObjectCID() ));
if( pWindow )
{
tools::Rectangle aRect( aLogicRect.X, aLogicRect.Y,
aLogicRect.X + aLogicRect.Width,
aLogicRect.Y + aLogicRect.Height );
SolarMutexGuard aSolarGuard;
aRect = pWindow->LogicToPixel( aRect );
// aLogicRect is relative to the page, but we need a value relative
// to the parent object
awt::Point aParentLocOnScreen;
uno::Reference< XAccessibleComponent > xParent( getAccessibleParent(), uno::UNO_QUERY );
if( xParent.is() )
aParentLocOnScreen = xParent->getLocationOnScreen();
awt::Point aULOnScreen = GetUpperLeftOnScreen();
awt::Point aOffset( aParentLocOnScreen.X - aULOnScreen.X,
aParentLocOnScreen.Y - aULOnScreen.Y );
return awt::Rectangle( aRect.getX() - aOffset.X, aRect.getY() - aOffset.Y,
aRect.getWidth(), aRect.getHeight());
}
}
return awt::Rectangle();
}
awt::Point SAL_CALL AccessibleBase::getLocation()
{
CheckDisposeState();
awt::Rectangle aBBox( getBounds() );
return awt::Point( aBBox.X, aBBox.Y );
}
awt::Point SAL_CALL AccessibleBase::getLocationOnScreen()
{
CheckDisposeState();
if( m_aAccInfo.m_pParent != nullptr )
{
AccessibleBase * pParent = m_aAccInfo.m_pParent;
awt::Point aLocThisRel( getLocation());
awt::Point aUpperLeft;
if( pParent != nullptr )
aUpperLeft = pParent->getLocationOnScreen();
return awt::Point( aUpperLeft.X + aLocThisRel.X,
aUpperLeft.Y + aLocThisRel.Y );
}
else
return getLocation();
}
awt::Size SAL_CALL AccessibleBase::getSize()
{
CheckDisposeState();
awt::Rectangle aBBox( getBounds() );
return awt::Size( aBBox.Width, aBBox.Height );
}
void SAL_CALL AccessibleBase::grabFocus()
{
CheckDisposeState();
Reference< view::XSelectionSupplier > xSelSupp( GetInfo().m_xSelectionSupplier );
if ( xSelSupp.is() )
{
xSelSupp->select( GetId().getAny() );
}
}
sal_Int32 SAL_CALL AccessibleBase::getForeground()
{
return sal_Int32(getColor( ACC_BASE_FOREGROUND ));
}
sal_Int32 SAL_CALL AccessibleBase::getBackground()
{
return sal_Int32(getColor( ACC_BASE_BACKGROUND ));
}
Color AccessibleBase::getColor( eColorType eColType )
{
Color nResult = COL_TRANSPARENT;
if( m_bAlwaysTransparent )
return nResult;
ObjectIdentifier aOID( m_aAccInfo.m_aOID );
ObjectType eType( aOID.getObjectType() );
Reference< beans::XPropertySet > xObjProp;
OUString aObjectCID = aOID.getObjectCID();
if( eType == OBJECTTYPE_LEGEND_ENTRY )
{
// for colors get the data series/point properties
OUString aParentParticle( ObjectIdentifier::getFullParentParticle( aObjectCID ));
aObjectCID = ObjectIdentifier::createClassifiedIdentifierForParticle( aParentParticle );
}
xObjProp.set(
ObjectIdentifier::getObjectPropertySet(
aObjectCID, Reference< chart2::XChartDocument >( m_aAccInfo.m_xChartDocument )), uno::UNO_QUERY );
if( xObjProp.is())
{
try
{
OUString aPropName;
OUString aStylePropName;
switch( eType )
{
case OBJECTTYPE_LEGEND_ENTRY:
case OBJECTTYPE_DATA_SERIES:
case OBJECTTYPE_DATA_POINT:
if( eColType == ACC_BASE_FOREGROUND )
{
aPropName = "BorderColor";
aStylePropName = "BorderTransparency";
}
else
{
aPropName = "Color";
aStylePropName = "Transparency";
}
break;
default:
if( eColType == ACC_BASE_FOREGROUND )
{
aPropName = "LineColor";
aStylePropName = "LineTransparence";
}
else
{
aPropName = "FillColor";
aStylePropName = "FillTransparence";
}
break;
}
bool bTransparent = m_bAlwaysTransparent;
Reference< beans::XPropertySetInfo > xInfo( xObjProp->getPropertySetInfo(), uno::UNO_QUERY );
if( xInfo.is() &&
xInfo->hasPropertyByName( aStylePropName ))
{
if( eColType == ACC_BASE_FOREGROUND )
{
drawing::LineStyle aLStyle;
if( xObjProp->getPropertyValue( aStylePropName ) >>= aLStyle )
bTransparent = (aLStyle == drawing::LineStyle_NONE);
}
else
{
drawing::FillStyle aFStyle;
if( xObjProp->getPropertyValue( aStylePropName ) >>= aFStyle )
bTransparent = (aFStyle == drawing::FillStyle_NONE);
}
}
if( !bTransparent &&
xInfo.is() &&
xInfo->hasPropertyByName( aPropName ))
{
xObjProp->getPropertyValue( aPropName ) >>= nResult;
}
}
catch( const uno::Exception & )
{
DBG_UNHANDLED_EXCEPTION("chart2");
}
}
return nResult;
}
// ________ AccessibleBase::XServiceInfo ________
OUString SAL_CALL AccessibleBase::getImplementationName()
{
return OUString( "AccessibleBase" );
}
sal_Bool SAL_CALL AccessibleBase::supportsService( const OUString& ServiceName )
{
return cppu::supportsService( this, ServiceName );
}
uno::Sequence< OUString > SAL_CALL AccessibleBase::getSupportedServiceNames()
{
return {
"com.sun.star.accessibility.Accessible",
"com.sun.star.accessibility.AccessibleContext"
};
}
// ________ AccessibleBase::XEventListener ________
void SAL_CALL AccessibleBase::disposing( const lang::EventObject& /*Source*/ )
{
}
// ________ XAccessibleEventBroadcasters ________
void SAL_CALL AccessibleBase::addAccessibleEventListener( const Reference< XAccessibleEventListener >& xListener )
{
MutexGuard aGuard( GetMutex() );
if ( xListener.is() )
{
if ( !m_nEventNotifierId )
m_nEventNotifierId = ::comphelper::AccessibleEventNotifier::registerClient();
::comphelper::AccessibleEventNotifier::addEventListener( m_nEventNotifierId, xListener );
}
}
void SAL_CALL AccessibleBase::removeAccessibleEventListener( const Reference< XAccessibleEventListener >& xListener )
{
MutexGuard aGuard( GetMutex() );
if ( xListener.is() && m_nEventNotifierId)
{
sal_Int32 nListenerCount = ::comphelper::AccessibleEventNotifier::removeEventListener( m_nEventNotifierId, xListener );
if ( !nListenerCount )
{
// no listeners anymore
::comphelper::AccessibleEventNotifier::revokeClient( m_nEventNotifierId );
m_nEventNotifierId = 0;
}
}
}
} // namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V547 Expression 'pParent != nullptr' is always true.
↑ V547 Expression 'pParent' is always true.