/* -*- 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 <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <sal/log.hxx>
#include <tools/debug.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <svtools/valueset.hxx>
#include "valueimp.hxx"
#include <comphelper/servicehelper.hxx>
#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/lang/IndexOutOfBoundsException.hpp>
#include <com/sun/star/uno/RuntimeException.hpp>
using namespace ::com::sun::star;
ValueSetItem::ValueSetItem( ValueSet& rParent )
: mrParent(rParent)
, mpData(nullptr)
, mxAcc()
, mnId(0)
, meType(VALUESETITEM_NONE)
, mbVisible(true)
{
}
ValueSetItem::~ValueSetItem()
{
if( mxAcc.is() )
{
mxAcc->ParentDestroyed();
}
}
const rtl::Reference< ValueItemAcc > & ValueSetItem::GetAccessible( bool bIsTransientChildrenDisabled )
{
if( !mxAcc.is() )
mxAcc = new ValueItemAcc( this, bIsTransientChildrenDisabled );
return mxAcc;
}
ValueItemAcc::ValueItemAcc( ValueSetItem* pParent, bool bIsTransientChildrenDisabled ) :
mpParent( pParent ),
mbIsTransientChildrenDisabled( bIsTransientChildrenDisabled )
{
}
ValueItemAcc::~ValueItemAcc()
{
}
void ValueItemAcc::ParentDestroyed()
{
std::scoped_lock aGuard( maMutex );
mpParent = nullptr;
}
uno::Reference< accessibility::XAccessibleContext > SAL_CALL ValueItemAcc::getAccessibleContext()
{
return this;
}
sal_Int64 SAL_CALL ValueItemAcc::getAccessibleChildCount()
{
return 0;
}
uno::Reference< accessibility::XAccessible > SAL_CALL ValueItemAcc::getAccessibleChild( sal_Int64 )
{
throw lang::IndexOutOfBoundsException();
}
uno::Reference< accessibility::XAccessible > SAL_CALL ValueItemAcc::getAccessibleParent()
{
const SolarMutexGuard aSolarGuard;
uno::Reference< accessibility::XAccessible > xRet;
if( mpParent )
xRet = mpParent->mrParent.mxAccessible;
return xRet;
}
sal_Int64 SAL_CALL ValueItemAcc::getAccessibleIndexInParent()
{
const SolarMutexGuard aSolarGuard;
// The index defaults to -1 to indicate the child does not belong to its
// parent.
sal_Int64 nIndexInParent = -1;
if( mpParent )
{
bool bDone = false;
sal_uInt16 nCount = mpParent->mrParent.ImplGetVisibleItemCount();
ValueSetItem* pItem;
for (sal_uInt16 i=0; i<nCount && !bDone; i++)
{
// Guard the retrieval of the i-th child with a try/catch block
// just in case the number of children changes in the meantime.
try
{
pItem = mpParent->mrParent.ImplGetItem(i);
}
catch (const lang::IndexOutOfBoundsException&)
{
pItem = nullptr;
}
// Do not create an accessible object for the test.
if (pItem != nullptr && pItem->mxAcc.is())
if (pItem->GetAccessible( mbIsTransientChildrenDisabled ).get() == this )
{
nIndexInParent = i;
bDone = true;
}
}
}
//if this valueset contain a none field(common value is default), then we should increase the real index and set the noitem index value equal 0.
if ( mpParent && ( (mpParent->mrParent.GetStyle() & WB_NONEFIELD) != 0 ) )
{
ValueSetItem* pFirstItem = mpParent->mrParent.ImplGetItem (VALUESET_ITEM_NONEITEM);
if( pFirstItem && pFirstItem ->GetAccessible(mbIsTransientChildrenDisabled).get() == this )
nIndexInParent = 0;
else
nIndexInParent++;
}
return nIndexInParent;
}
sal_Int16 SAL_CALL ValueItemAcc::getAccessibleRole()
{
return accessibility::AccessibleRole::LIST_ITEM;
}
OUString SAL_CALL ValueItemAcc::getAccessibleDescription()
{
return OUString();
}
OUString SAL_CALL ValueItemAcc::getAccessibleName()
{
const SolarMutexGuard aSolarGuard;
if( mpParent )
{
if (mpParent->maText.isEmpty())
return "Item " + OUString::number(static_cast<sal_Int32>(mpParent->mnId));
else
return mpParent->maText;
}
return OUString();
}
uno::Reference< accessibility::XAccessibleRelationSet > SAL_CALL ValueItemAcc::getAccessibleRelationSet()
{
return uno::Reference< accessibility::XAccessibleRelationSet >();
}
sal_Int64 SAL_CALL ValueItemAcc::getAccessibleStateSet()
{
const SolarMutexGuard aSolarGuard;
sal_Int64 nStateSet = 0;
if( mpParent )
{
nStateSet |= accessibility::AccessibleStateType::ENABLED;
nStateSet |= accessibility::AccessibleStateType::SENSITIVE;
nStateSet |= accessibility::AccessibleStateType::SHOWING;
nStateSet |= accessibility::AccessibleStateType::VISIBLE;
if ( !mbIsTransientChildrenDisabled )
nStateSet |= accessibility::AccessibleStateType::TRANSIENT;
nStateSet |= accessibility::AccessibleStateType::SELECTABLE;
nStateSet |= accessibility::AccessibleStateType::FOCUSABLE;
if( mpParent->mrParent.GetSelectedItemId() == mpParent->mnId )
{
nStateSet |= accessibility::AccessibleStateType::SELECTED;
if (mpParent->mrParent.HasChildFocus())
nStateSet |= accessibility::AccessibleStateType::FOCUSED;
}
}
return nStateSet;
}
lang::Locale SAL_CALL ValueItemAcc::getLocale()
{
const SolarMutexGuard aSolarGuard;
uno::Reference< accessibility::XAccessible > xParent( getAccessibleParent() );
lang::Locale aRet( u""_ustr, u""_ustr, u""_ustr );
if( xParent.is() )
{
uno::Reference< accessibility::XAccessibleContext > xParentContext( xParent->getAccessibleContext() );
if( xParentContext.is() )
aRet = xParentContext->getLocale();
}
return aRet;
}
void SAL_CALL ValueItemAcc::addAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener )
{
std::scoped_lock aGuard( maMutex );
if( !rxListener.is() )
return;
bool bFound = false;
for (auto const& eventListener : mxEventListeners)
{
if(eventListener == rxListener)
{
bFound = true;
break;
}
}
if (!bFound)
mxEventListeners.push_back( rxListener );
}
void SAL_CALL ValueItemAcc::removeAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener )
{
std::scoped_lock aGuard( maMutex );
if( rxListener.is() )
{
::std::vector< uno::Reference< accessibility::XAccessibleEventListener > >::iterator aIter =
std::find(mxEventListeners.begin(), mxEventListeners.end(), rxListener);
if (aIter != mxEventListeners.end())
mxEventListeners.erase(aIter);
}
}
sal_Bool SAL_CALL ValueItemAcc::containsPoint( const awt::Point& aPoint )
{
const awt::Rectangle aRect( getBounds() );
const Point aSize( aRect.Width, aRect.Height );
const Point aNullPoint, aTestPoint( aPoint.X, aPoint.Y );
return tools::Rectangle( aNullPoint, aSize ).Contains( aTestPoint );
}
uno::Reference< accessibility::XAccessible > SAL_CALL ValueItemAcc::getAccessibleAtPoint( const awt::Point& )
{
uno::Reference< accessibility::XAccessible > xRet;
return xRet;
}
awt::Rectangle SAL_CALL ValueItemAcc::getBounds()
{
const SolarMutexGuard aSolarGuard;
awt::Rectangle aRet;
if( mpParent )
{
tools::Rectangle aRect( mpParent->mrParent.GetItemRect(mpParent->mnId) );
tools::Rectangle aParentRect( Point(), mpParent->mrParent.GetOutputSizePixel() );
aRect.Intersection( aParentRect );
aRet.X = aRect.Left();
aRet.Y = aRect.Top();
aRet.Width = aRect.GetWidth();
aRet.Height = aRect.GetHeight();
}
return aRet;
}
awt::Point SAL_CALL ValueItemAcc::getLocation()
{
const awt::Rectangle aRect( getBounds() );
awt::Point aRet;
aRet.X = aRect.X;
aRet.Y = aRect.Y;
return aRet;
}
awt::Point SAL_CALL ValueItemAcc::getLocationOnScreen()
{
const SolarMutexGuard aSolarGuard;
awt::Point aRet;
if( mpParent )
{
const Point aPos = mpParent->mrParent.GetItemRect(mpParent->mnId).TopLeft();
const Point aScreenPos(mpParent->mrParent.GetDrawingArea()->get_accessible_location_on_screen());
aRet.X = aPos.X() + aScreenPos.X();
aRet.Y = aPos.Y() + aScreenPos.Y();
}
return aRet;
}
awt::Size SAL_CALL ValueItemAcc::getSize()
{
const awt::Rectangle aRect( getBounds() );
awt::Size aRet;
aRet.Width = aRect.Width;
aRet.Height = aRect.Height;
return aRet;
}
void SAL_CALL ValueItemAcc::grabFocus()
{
// nothing to do
}
sal_Int32 SAL_CALL ValueItemAcc::getForeground( )
{
Color nColor = Application::GetSettings().GetStyleSettings().GetWindowTextColor();
return static_cast<sal_Int32>(nColor);
}
sal_Int32 SAL_CALL ValueItemAcc::getBackground( )
{
Color nColor;
if (mpParent && mpParent->meType == VALUESETITEM_COLOR)
nColor = mpParent->maColor;
else
nColor = Application::GetSettings().GetStyleSettings().GetWindowColor();
return static_cast<sal_Int32>(nColor);
}
void ValueItemAcc::FireAccessibleEvent( short nEventId, const uno::Any& rOldValue, const uno::Any& rNewValue )
{
if( !nEventId )
return;
std::vector<uno::Reference<accessibility::XAccessibleEventListener>> aTmpListeners;
{
std::scoped_lock aGuard(maMutex);
aTmpListeners = mxEventListeners;
}
accessibility::AccessibleEventObject aEvtObject;
aEvtObject.EventId = nEventId;
aEvtObject.Source = getXWeak();
aEvtObject.NewValue = rNewValue;
aEvtObject.OldValue = rOldValue;
for (auto const& tmpListener : aTmpListeners)
{
tmpListener->notifyEvent( aEvtObject );
}
}
ValueSetAcc::ValueSetAcc( ValueSet* pParent ) :
mpParent( pParent ),
mbIsFocused(false)
{
}
ValueSetAcc::~ValueSetAcc()
{
}
void ValueSetAcc::FireAccessibleEvent( short nEventId, const uno::Any& rOldValue, const uno::Any& rNewValue )
{
if( !nEventId )
return;
::std::vector< uno::Reference< accessibility::XAccessibleEventListener > > aTmpListeners( mxEventListeners );
accessibility::AccessibleEventObject aEvtObject;
aEvtObject.EventId = nEventId;
aEvtObject.Source = getXWeak();
aEvtObject.NewValue = rNewValue;
aEvtObject.OldValue = rOldValue;
aEvtObject.IndexHint = -1;
for (auto const& tmpListener : aTmpListeners)
{
try
{
tmpListener->notifyEvent( aEvtObject );
}
catch(const uno::Exception&)
{
}
}
}
void ValueSetAcc::GetFocus()
{
mbIsFocused = true;
// Broadcast the state change.
css::uno::Any aOldState, aNewState;
aNewState <<= css::accessibility::AccessibleStateType::FOCUSED;
FireAccessibleEvent(
css::accessibility::AccessibleEventId::STATE_CHANGED,
aOldState, aNewState);
}
void ValueSetAcc::LoseFocus()
{
mbIsFocused = false;
// Broadcast the state change.
css::uno::Any aOldState, aNewState;
aOldState <<= css::accessibility::AccessibleStateType::FOCUSED;
FireAccessibleEvent(
css::accessibility::AccessibleEventId::STATE_CHANGED,
aOldState, aNewState);
}
uno::Reference< accessibility::XAccessibleContext > SAL_CALL ValueSetAcc::getAccessibleContext()
{
// still allow retrieving a11y context when not disposed yet, but ValueSet is unset
ThrowIfDisposed(false);
return this;
}
sal_Int64 SAL_CALL ValueSetAcc::getAccessibleChildCount()
{
const SolarMutexGuard aSolarGuard;
ThrowIfDisposed();
sal_Int64 nCount = mpParent->ImplGetVisibleItemCount();
if (HasNoneField())
nCount += 1;
return nCount;
}
uno::Reference< accessibility::XAccessible > SAL_CALL ValueSetAcc::getAccessibleChild( sal_Int64 i )
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
if (i < 0 || i >= getAccessibleChildCount())
throw lang::IndexOutOfBoundsException();
ValueSetItem* pItem = getItem (sal::static_int_cast< sal_uInt16 >(i));
if( !pItem )
throw lang::IndexOutOfBoundsException();
uno::Reference< accessibility::XAccessible > xRet = pItem->GetAccessible( false/*bIsTransientChildrenDisabled*/ );
return xRet;
}
uno::Reference< accessibility::XAccessible > SAL_CALL ValueSetAcc::getAccessibleParent()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
return mpParent->GetDrawingArea()->get_accessible_parent();
}
sal_Int64 SAL_CALL ValueSetAcc::getAccessibleIndexInParent()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
// -1 for child not found/no parent (according to specification)
sal_Int64 nRet = -1;
uno::Reference<accessibility::XAccessible> xParent(getAccessibleParent());
if (!xParent)
return nRet;
try
{
uno::Reference<accessibility::XAccessibleContext> xParentContext(xParent->getAccessibleContext());
// iterate over parent's children and search for this object
if ( xParentContext.is() )
{
sal_Int64 nChildCount = xParentContext->getAccessibleChildCount();
for ( sal_Int64 nChild = 0; ( nChild < nChildCount ) && ( -1 == nRet ); ++nChild )
{
uno::Reference<XAccessible> xChild(xParentContext->getAccessibleChild(nChild));
if ( xChild.get() == this )
nRet = nChild;
}
}
}
catch (const uno::Exception&)
{
TOOLS_WARN_EXCEPTION( "svtools", "ValueSetAcc::getAccessibleIndexInParent" );
}
return nRet;
}
sal_Int16 SAL_CALL ValueSetAcc::getAccessibleRole()
{
ThrowIfDisposed();
return accessibility::AccessibleRole::LIST;
}
OUString SAL_CALL ValueSetAcc::getAccessibleDescription()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
OUString aRet;
if (mpParent)
{
aRet = mpParent->GetAccessibleDescription();
}
return aRet;
}
OUString SAL_CALL ValueSetAcc::getAccessibleName()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
OUString aRet;
if (mpParent)
{
aRet = mpParent->GetAccessibleName();
}
return aRet;
}
uno::Reference< accessibility::XAccessibleRelationSet > SAL_CALL ValueSetAcc::getAccessibleRelationSet()
{
ThrowIfDisposed();
SolarMutexGuard g;
return mpParent->GetDrawingArea()->get_accessible_relation_set();
}
sal_Int64 SAL_CALL ValueSetAcc::getAccessibleStateSet()
{
ThrowIfDisposed();
sal_Int64 nStateSet = 0;
// Set some states.
nStateSet |= accessibility::AccessibleStateType::ENABLED;
nStateSet |= accessibility::AccessibleStateType::SENSITIVE;
nStateSet |= accessibility::AccessibleStateType::SHOWING;
nStateSet |= accessibility::AccessibleStateType::VISIBLE;
nStateSet |= accessibility::AccessibleStateType::MANAGES_DESCENDANTS;
nStateSet |= accessibility::AccessibleStateType::FOCUSABLE;
if (mbIsFocused)
nStateSet |= accessibility::AccessibleStateType::FOCUSED;
return nStateSet;
}
lang::Locale SAL_CALL ValueSetAcc::getLocale()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
uno::Reference< accessibility::XAccessible > xParent( getAccessibleParent() );
lang::Locale aRet( u""_ustr, u""_ustr, u""_ustr );
if( xParent.is() )
{
uno::Reference< accessibility::XAccessibleContext > xParentContext( xParent->getAccessibleContext() );
if( xParentContext.is() )
aRet = xParentContext->getLocale ();
}
return aRet;
}
void SAL_CALL ValueSetAcc::addAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener )
{
ThrowIfDisposed(false);
std::unique_lock aGuard (m_aMutex);
if( !rxListener.is() )
return;
bool bFound = false;
for (auto const& eventListener : mxEventListeners)
{
if(eventListener == rxListener)
{
bFound = true;
break;
}
}
if (!bFound)
mxEventListeners.push_back( rxListener );
}
void SAL_CALL ValueSetAcc::removeAccessibleEventListener( const uno::Reference< accessibility::XAccessibleEventListener >& rxListener )
{
ThrowIfDisposed(false);
std::unique_lock aGuard (m_aMutex);
if( rxListener.is() )
{
::std::vector< uno::Reference< accessibility::XAccessibleEventListener > >::iterator aIter =
std::find(mxEventListeners.begin(), mxEventListeners.end(), rxListener);
if (aIter != mxEventListeners.end())
mxEventListeners.erase(aIter);
}
}
sal_Bool SAL_CALL ValueSetAcc::containsPoint( const awt::Point& aPoint )
{
ThrowIfDisposed();
const awt::Rectangle aRect( getBounds() );
const Point aSize( aRect.Width, aRect.Height );
const Point aNullPoint, aTestPoint( aPoint.X, aPoint.Y );
return tools::Rectangle( aNullPoint, aSize ).Contains( aTestPoint );
}
uno::Reference< accessibility::XAccessible > SAL_CALL ValueSetAcc::getAccessibleAtPoint( const awt::Point& aPoint )
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
const sal_uInt16 nItemId = mpParent->GetItemId( Point( aPoint.X, aPoint.Y ) );
uno::Reference< accessibility::XAccessible > xRet;
if ( nItemId )
{
const size_t nItemPos = mpParent->GetItemPos( nItemId );
if( VALUESET_ITEM_NONEITEM != nItemPos )
{
ValueSetItem *const pItem = mpParent->mItemList[nItemPos].get();
xRet = pItem->GetAccessible( false/*bIsTransientChildrenDisabled*/ );
}
}
return xRet;
}
awt::Rectangle SAL_CALL ValueSetAcc::getBounds()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
const Point aOutPos;
const Size aOutSize( mpParent->GetOutputSizePixel() );
awt::Rectangle aRet;
aRet.X = aOutPos.X();
aRet.Y = aOutPos.Y();
aRet.Width = aOutSize.Width();
aRet.Height = aOutSize.Height();
return aRet;
}
awt::Point SAL_CALL ValueSetAcc::getLocation()
{
ThrowIfDisposed();
const awt::Rectangle aRect( getBounds() );
awt::Point aRet;
aRet.X = aRect.X;
aRet.Y = aRect.Y;
return aRet;
}
awt::Point SAL_CALL ValueSetAcc::getLocationOnScreen()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
awt::Point aScreenLoc(0, 0);
uno::Reference<accessibility::XAccessible> xParent(getAccessibleParent());
if (xParent)
{
uno::Reference<accessibility::XAccessibleContext> xParentContext(xParent->getAccessibleContext());
uno::Reference<accessibility::XAccessibleComponent> xParentComponent(xParentContext, css::uno::UNO_QUERY);
OSL_ENSURE( xParentComponent.is(), "ValueSetAcc::getLocationOnScreen: no parent component!" );
if ( xParentComponent.is() )
{
awt::Point aParentScreenLoc( xParentComponent->getLocationOnScreen() );
awt::Point aOwnRelativeLoc( getLocation() );
aScreenLoc.X = aParentScreenLoc.X + aOwnRelativeLoc.X;
aScreenLoc.Y = aParentScreenLoc.Y + aOwnRelativeLoc.Y;
}
}
return aScreenLoc;
}
awt::Size SAL_CALL ValueSetAcc::getSize()
{
ThrowIfDisposed();
const awt::Rectangle aRect( getBounds() );
awt::Size aRet;
aRet.Width = aRect.Width;
aRet.Height = aRect.Height;
return aRet;
}
void SAL_CALL ValueSetAcc::grabFocus()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
mpParent->GrabFocus();
}
sal_Int32 SAL_CALL ValueSetAcc::getForeground( )
{
ThrowIfDisposed();
Color nColor = Application::GetSettings().GetStyleSettings().GetWindowTextColor();
return static_cast<sal_Int32>(nColor);
}
sal_Int32 SAL_CALL ValueSetAcc::getBackground( )
{
ThrowIfDisposed();
Color nColor = Application::GetSettings().GetStyleSettings().GetWindowColor();
return static_cast<sal_Int32>(nColor);
}
void SAL_CALL ValueSetAcc::selectAccessibleChild( sal_Int64 nChildIndex )
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())
throw lang::IndexOutOfBoundsException();
ValueSetItem* pItem = getItem (sal::static_int_cast< sal_uInt16 >(nChildIndex));
if(pItem == nullptr)
throw lang::IndexOutOfBoundsException();
mpParent->SelectItem( pItem->mnId );
}
sal_Bool SAL_CALL ValueSetAcc::isAccessibleChildSelected( sal_Int64 nChildIndex )
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())
throw lang::IndexOutOfBoundsException();
ValueSetItem* pItem = getItem (sal::static_int_cast< sal_uInt16 >(nChildIndex));
if (pItem == nullptr)
throw lang::IndexOutOfBoundsException();
bool bRet = mpParent->IsItemSelected( pItem->mnId );
return bRet;
}
void SAL_CALL ValueSetAcc::clearAccessibleSelection()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
mpParent->SetNoSelection();
}
void SAL_CALL ValueSetAcc::selectAllAccessibleChildren()
{
ThrowIfDisposed();
// unsupported due to single selection only
}
sal_Int64 SAL_CALL ValueSetAcc::getSelectedAccessibleChildCount()
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
sal_Int64 nRet = 0;
for( sal_uInt16 i = 0, nCount = getItemCount(); i < nCount; i++ )
{
ValueSetItem* pItem = getItem (i);
if( pItem && mpParent->IsItemSelected( pItem->mnId ) )
++nRet;
}
return nRet;
}
uno::Reference< accessibility::XAccessible > SAL_CALL ValueSetAcc::getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex )
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
uno::Reference< accessibility::XAccessible > xRet;
for( sal_uInt16 i = 0, nCount = getItemCount(), nSel = 0; ( i < nCount ) && !xRet.is(); i++ )
{
ValueSetItem* pItem = getItem(i);
if( pItem && mpParent->IsItemSelected( pItem->mnId ) && ( nSelectedChildIndex == static_cast< sal_Int64 >( nSel++ ) ) )
xRet = pItem->GetAccessible( false/*bIsTransientChildrenDisabled*/ );
}
return xRet;
}
void SAL_CALL ValueSetAcc::deselectAccessibleChild( sal_Int64 nChildIndex )
{
ThrowIfDisposed();
const SolarMutexGuard aSolarGuard;
if (nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())
throw lang::IndexOutOfBoundsException();
// Because of the single selection we can reset the whole selection when
// the specified child is currently selected.
if (isAccessibleChildSelected(nChildIndex))
mpParent->SetNoSelection();
}
void ValueSetAcc::Invalidate()
{
mpParent = nullptr;
}
void ValueSetAcc::disposing(std::unique_lock<std::mutex>& rGuard)
{
// Make a copy of the list and clear the original.
::std::vector<uno::Reference<accessibility::XAccessibleEventListener> > aListenerListCopy = std::move(mxEventListeners);
if (aListenerListCopy.empty())
return;
rGuard.unlock();
// Inform all listeners that this objects is disposing.
lang::EventObject aEvent (static_cast<accessibility::XAccessible*>(this));
for (auto const& listenerCopy : aListenerListCopy)
{
try
{
listenerCopy->disposing (aEvent);
}
catch(const uno::Exception&)
{
// Ignore exceptions.
}
}
}
sal_uInt16 ValueSetAcc::getItemCount() const
{
sal_uInt16 nCount = mpParent->ImplGetVisibleItemCount();
// When the None-Item is visible then increase the number of items by
// one.
if (HasNoneField())
nCount += 1;
return nCount;
}
ValueSetItem* ValueSetAcc::getItem (sal_uInt16 nIndex) const
{
ValueSetItem* pItem = nullptr;
if (HasNoneField())
{
if (nIndex == 0)
// When present the first item is the then always visible none field.
pItem = mpParent->ImplGetItem (VALUESET_ITEM_NONEITEM);
else
// Shift down the index to compensate for the none field.
nIndex -= 1;
}
if (pItem == nullptr)
pItem = mpParent->ImplGetItem (nIndex);
return pItem;
}
void ValueSetAcc::ThrowIfDisposed(bool bCheckParent)
{
if (m_bDisposed)
{
SAL_WARN("svx", "Calling disposed object. Throwing exception:");
throw lang::DisposedException (
u"object has been already disposed"_ustr,
getXWeak());
}
if (bCheckParent && !mpParent)
{
assert(false && "ValueSetAcc not disposed but mpParent == NULL");
throw css::uno::RuntimeException(u"ValueSetAcc not disposed but mpParent == NULL"_ustr);
}
}
bool ValueSetAcc::HasNoneField() const
{
assert(mpParent && "ValueSetAcc::HasNoneField called with mpParent==NULL");
return ((mpParent->GetStyle() & WB_NONEFIELD) != 0);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V530 The return value of function 'Intersection' is required to be utilized.