6af0da482d
Change-Id: I08aed09b0acd283d700bdf75f650e93dba7c7b85 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/123341 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
403 lines
13 KiB
C++
403 lines
13 KiB
C++
/* -*- 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 .
|
|
*/
|
|
|
|
|
|
// Global header
|
|
|
|
|
|
#include <com/sun/star/uno/Any.hxx>
|
|
#include <com/sun/star/uno/Reference.hxx>
|
|
#include <o3tl/safeint.hxx>
|
|
#include <sal/log.hxx>
|
|
#include <tools/debug.hxx>
|
|
#include <com/sun/star/accessibility/XAccessible.hpp>
|
|
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
|
|
|
|
|
|
// Project-local header
|
|
|
|
|
|
#include <editeng/AccessibleParaManager.hxx>
|
|
#include <editeng/AccessibleEditableTextPara.hxx>
|
|
|
|
|
|
using namespace ::com::sun::star;
|
|
using namespace ::com::sun::star::accessibility;
|
|
|
|
|
|
namespace accessibility
|
|
{
|
|
AccessibleParaManager::AccessibleParaManager() :
|
|
maChildren(1),
|
|
maEEOffset( 0, 0 ),
|
|
mnFocusedChild( -1 ),
|
|
mbActive( false )
|
|
{
|
|
}
|
|
|
|
AccessibleParaManager::~AccessibleParaManager()
|
|
{
|
|
// owner is responsible for possible child death
|
|
}
|
|
|
|
void AccessibleParaManager::SetAdditionalChildStates( VectorOfStates&& rChildStates )
|
|
{
|
|
maChildStates = std::move(rChildStates);
|
|
}
|
|
|
|
void AccessibleParaManager::SetNum( sal_Int32 nNumParas )
|
|
{
|
|
if( o3tl::make_unsigned(nNumParas) < maChildren.size() )
|
|
Release( nNumParas, maChildren.size() );
|
|
|
|
maChildren.resize( nNumParas );
|
|
|
|
if( mnFocusedChild >= nNumParas )
|
|
mnFocusedChild = -1;
|
|
}
|
|
|
|
sal_Int32 AccessibleParaManager::GetNum() const
|
|
{
|
|
size_t nSize = maChildren.size();
|
|
if (nSize > SAL_MAX_INT32)
|
|
{
|
|
SAL_WARN( "editeng", "AccessibleParaManager::GetNum - overflow " << nSize);
|
|
return SAL_MAX_INT32;
|
|
}
|
|
return static_cast<sal_Int32>(nSize);
|
|
}
|
|
|
|
AccessibleParaManager::VectorOfChildren::iterator AccessibleParaManager::begin()
|
|
{
|
|
return maChildren.begin();
|
|
}
|
|
|
|
AccessibleParaManager::VectorOfChildren::iterator AccessibleParaManager::end()
|
|
{
|
|
return maChildren.end();
|
|
}
|
|
|
|
void AccessibleParaManager::FireEvent( sal_Int32 nPara,
|
|
const sal_Int16 nEventId ) const
|
|
{
|
|
DBG_ASSERT( 0 <= nPara && maChildren.size() > o3tl::make_unsigned(nPara),
|
|
"AccessibleParaManager::FireEvent: invalid index" );
|
|
|
|
if( 0 <= nPara && maChildren.size() > o3tl::make_unsigned(nPara) )
|
|
{
|
|
auto aChild( GetChild( nPara ).first.get() );
|
|
if( aChild.is() )
|
|
aChild->FireEvent( nEventId );
|
|
}
|
|
}
|
|
|
|
bool AccessibleParaManager::IsReferencable(
|
|
rtl::Reference<AccessibleEditableTextPara> const & aChild)
|
|
{
|
|
return aChild.is();
|
|
}
|
|
|
|
bool AccessibleParaManager::IsReferencable( sal_Int32 nChild ) const
|
|
{
|
|
DBG_ASSERT( 0 <= nChild && maChildren.size() > o3tl::make_unsigned(nChild),
|
|
"AccessibleParaManager::IsReferencable: invalid index" );
|
|
|
|
if( 0 <= nChild && maChildren.size() > o3tl::make_unsigned(nChild) )
|
|
{
|
|
// retrieve hard reference from weak one
|
|
return IsReferencable( GetChild( nChild ).first.get() );
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
AccessibleParaManager::WeakChild AccessibleParaManager::GetChild( sal_Int32 nParagraphIndex ) const
|
|
{
|
|
DBG_ASSERT( 0 <= nParagraphIndex && maChildren.size() > o3tl::make_unsigned(nParagraphIndex),
|
|
"AccessibleParaManager::GetChild: invalid index" );
|
|
|
|
if( 0 <= nParagraphIndex && maChildren.size() > o3tl::make_unsigned(nParagraphIndex) )
|
|
{
|
|
return maChildren[ nParagraphIndex ];
|
|
}
|
|
else
|
|
{
|
|
return WeakChild();
|
|
}
|
|
}
|
|
|
|
bool AccessibleParaManager::HasCreatedChild( sal_Int32 nParagraphIndex ) const
|
|
{
|
|
if( 0 <= nParagraphIndex && maChildren.size() > o3tl::make_unsigned(nParagraphIndex) )
|
|
{
|
|
auto const & rChild = maChildren[ nParagraphIndex ];
|
|
return rChild.second.Width != 0 || rChild.second.Height != 0;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
AccessibleParaManager::Child AccessibleParaManager::CreateChild( sal_Int32 nChild,
|
|
const uno::Reference< XAccessible >& xFrontEnd,
|
|
SvxEditSourceAdapter& rEditSource,
|
|
sal_Int32 nParagraphIndex )
|
|
{
|
|
DBG_ASSERT( 0 <= nParagraphIndex && maChildren.size() > o3tl::make_unsigned(nParagraphIndex),
|
|
"AccessibleParaManager::CreateChild: invalid index" );
|
|
|
|
if( 0 <= nParagraphIndex && maChildren.size() > o3tl::make_unsigned(nParagraphIndex) )
|
|
{
|
|
// retrieve hard reference from weak one
|
|
auto aChild( GetChild( nParagraphIndex ).first.get() );
|
|
|
|
if( !IsReferencable( nParagraphIndex ) )
|
|
{
|
|
// there is no hard reference available, create object then
|
|
// #i27138#
|
|
aChild = new AccessibleEditableTextPara(xFrontEnd, this);
|
|
|
|
InitChild( *aChild, rEditSource, nChild, nParagraphIndex );
|
|
|
|
maChildren[ nParagraphIndex ] = WeakChild( aChild, aChild->getBounds() );
|
|
}
|
|
|
|
return Child( aChild.get(), GetChild( nParagraphIndex ).second );
|
|
}
|
|
else
|
|
{
|
|
return Child();
|
|
}
|
|
}
|
|
|
|
void AccessibleParaManager::SetEEOffset( const Point& rOffset )
|
|
{
|
|
maEEOffset = rOffset;
|
|
|
|
MemFunAdapter< const Point& > aAdapter( &::accessibility::AccessibleEditableTextPara::SetEEOffset, rOffset );
|
|
std::for_each( begin(), end(), aAdapter );
|
|
}
|
|
|
|
void AccessibleParaManager::SetActive( bool bActive )
|
|
{
|
|
mbActive = bActive;
|
|
|
|
if( bActive )
|
|
{
|
|
SetState( AccessibleStateType::ACTIVE );
|
|
SetState( AccessibleStateType::EDITABLE );
|
|
}
|
|
else
|
|
{
|
|
UnSetState( AccessibleStateType::ACTIVE );
|
|
UnSetState( AccessibleStateType::EDITABLE );
|
|
}
|
|
}
|
|
|
|
void AccessibleParaManager::SetFocus( sal_Int32 nChild )
|
|
{
|
|
if( mnFocusedChild != -1 )
|
|
UnSetState( mnFocusedChild, AccessibleStateType::FOCUSED );
|
|
|
|
mnFocusedChild = nChild;
|
|
|
|
if( mnFocusedChild != -1 )
|
|
SetState( mnFocusedChild, AccessibleStateType::FOCUSED );
|
|
}
|
|
|
|
void AccessibleParaManager::InitChild( AccessibleEditableTextPara& rChild,
|
|
SvxEditSourceAdapter& rEditSource,
|
|
sal_Int32 nChild,
|
|
sal_Int32 nParagraphIndex ) const
|
|
{
|
|
rChild.SetEditSource( &rEditSource );
|
|
rChild.SetIndexInParent( nChild );
|
|
rChild.SetParagraphIndex( nParagraphIndex );
|
|
|
|
rChild.SetEEOffset( maEEOffset );
|
|
|
|
if( mbActive )
|
|
{
|
|
rChild.SetState( AccessibleStateType::ACTIVE );
|
|
rChild.SetState( AccessibleStateType::EDITABLE );
|
|
}
|
|
|
|
if( mnFocusedChild == nParagraphIndex )
|
|
rChild.SetState( AccessibleStateType::FOCUSED );
|
|
|
|
// add states passed from outside
|
|
for( const auto& rState : maChildStates )
|
|
rChild.SetState( rState );
|
|
}
|
|
|
|
void AccessibleParaManager::SetState( sal_Int32 nChild, const sal_Int16 nStateId )
|
|
{
|
|
MemFunAdapter< const sal_Int16 > aFunc( &AccessibleEditableTextPara::SetState,
|
|
nStateId );
|
|
aFunc( GetChild(nChild) );
|
|
}
|
|
|
|
void AccessibleParaManager::SetState( const sal_Int16 nStateId )
|
|
{
|
|
std::for_each( begin(), end(),
|
|
MemFunAdapter< const sal_Int16 >( &AccessibleEditableTextPara::SetState,
|
|
nStateId ) );
|
|
}
|
|
|
|
void AccessibleParaManager::UnSetState( sal_Int32 nChild, const sal_Int16 nStateId )
|
|
{
|
|
MemFunAdapter< const sal_Int16 > aFunc( &AccessibleEditableTextPara::UnSetState,
|
|
nStateId );
|
|
aFunc( GetChild(nChild) );
|
|
}
|
|
|
|
void AccessibleParaManager::UnSetState( const sal_Int16 nStateId )
|
|
{
|
|
std::for_each( begin(), end(),
|
|
MemFunAdapter< const sal_Int16 >( &AccessibleEditableTextPara::UnSetState,
|
|
nStateId ) );
|
|
}
|
|
|
|
namespace {
|
|
|
|
// not generic yet, no arguments...
|
|
class AccessibleParaManager_DisposeChildren
|
|
{
|
|
public:
|
|
AccessibleParaManager_DisposeChildren() {}
|
|
void operator()( ::accessibility::AccessibleEditableTextPara& rPara )
|
|
{
|
|
rPara.Dispose();
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
void AccessibleParaManager::Dispose()
|
|
{
|
|
AccessibleParaManager_DisposeChildren aFunctor;
|
|
|
|
std::for_each( begin(), end(),
|
|
WeakChildAdapter< AccessibleParaManager_DisposeChildren > (aFunctor) );
|
|
}
|
|
|
|
namespace {
|
|
|
|
// not generic yet, too many method arguments...
|
|
class StateChangeEvent
|
|
{
|
|
public:
|
|
StateChangeEvent( const sal_Int16 nEventId,
|
|
const uno::Any& rNewValue,
|
|
const uno::Any& rOldValue ) :
|
|
mnEventId( nEventId ),
|
|
mrNewValue( rNewValue ),
|
|
mrOldValue( rOldValue ) {}
|
|
void operator()( ::accessibility::AccessibleEditableTextPara const & rPara )
|
|
{
|
|
rPara.FireEvent( mnEventId, mrNewValue, mrOldValue );
|
|
}
|
|
|
|
private:
|
|
const sal_Int16 mnEventId;
|
|
const uno::Any& mrNewValue;
|
|
const uno::Any& mrOldValue;
|
|
};
|
|
|
|
}
|
|
|
|
void AccessibleParaManager::FireEvent( sal_Int32 nStartPara,
|
|
sal_Int32 nEndPara,
|
|
const sal_Int16 nEventId,
|
|
const uno::Any& rNewValue,
|
|
const uno::Any& rOldValue ) const
|
|
{
|
|
DBG_ASSERT( 0 <= nStartPara && 0 <= nEndPara &&
|
|
maChildren.size() > o3tl::make_unsigned(nStartPara) &&
|
|
maChildren.size() >= o3tl::make_unsigned(nEndPara) &&
|
|
nEndPara >= nStartPara, "AccessibleParaManager::FireEvent: invalid index" );
|
|
|
|
|
|
if( 0 <= nStartPara && 0 <= nEndPara &&
|
|
maChildren.size() > o3tl::make_unsigned(nStartPara) &&
|
|
maChildren.size() >= o3tl::make_unsigned(nEndPara) &&
|
|
nEndPara >= nStartPara )
|
|
{
|
|
VectorOfChildren::const_iterator front = maChildren.begin();
|
|
VectorOfChildren::const_iterator back = front;
|
|
|
|
std::advance( front, nStartPara );
|
|
std::advance( back, nEndPara );
|
|
|
|
StateChangeEvent aFunctor( nEventId, rNewValue, rOldValue );
|
|
|
|
std::for_each( front, back, AccessibleParaManager::WeakChildAdapter< StateChangeEvent >( aFunctor ) );
|
|
}
|
|
}
|
|
|
|
namespace {
|
|
|
|
class ReleaseChild
|
|
{
|
|
public:
|
|
AccessibleParaManager::WeakChild operator()( const AccessibleParaManager::WeakChild& rPara )
|
|
{
|
|
AccessibleParaManager::ShutdownPara( rPara );
|
|
|
|
// clear reference
|
|
return AccessibleParaManager::WeakChild();
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
void AccessibleParaManager::Release( sal_Int32 nStartPara, sal_Int32 nEndPara )
|
|
{
|
|
DBG_ASSERT( 0 <= nStartPara && 0 <= nEndPara &&
|
|
maChildren.size() > o3tl::make_unsigned(nStartPara) &&
|
|
maChildren.size() >= o3tl::make_unsigned(nEndPara),
|
|
"AccessibleParaManager::Release: invalid index" );
|
|
|
|
if( 0 <= nStartPara && 0 <= nEndPara &&
|
|
maChildren.size() > o3tl::make_unsigned(nStartPara) &&
|
|
maChildren.size() >= o3tl::make_unsigned(nEndPara) )
|
|
{
|
|
VectorOfChildren::iterator front = maChildren.begin();
|
|
VectorOfChildren::iterator back = front;
|
|
|
|
std::advance( front, nStartPara );
|
|
std::advance( back, nEndPara );
|
|
|
|
std::transform( front, back, front, ReleaseChild() );
|
|
}
|
|
}
|
|
|
|
void AccessibleParaManager::ShutdownPara( const WeakChild& rChild )
|
|
{
|
|
auto aChild( rChild.first.get() );
|
|
|
|
if( IsReferencable( aChild ) )
|
|
aChild->SetEditSource( nullptr );
|
|
}
|
|
|
|
}
|
|
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|