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*
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* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_editeng.hxx"
//------------------------------------------------------------------------
//
// Global header
//
//------------------------------------------------------------------------
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <cppuhelper/weakref.hxx>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
//------------------------------------------------------------------------
//
// Project-local header
//
//------------------------------------------------------------------------
#include <editeng/unoedhlp.hxx>
#include <editeng/unopracc.hxx>
#include <editeng/unoedsrc.hxx>
#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( sal_False )
{
}
AccessibleParaManager::~AccessibleParaManager()
{
// owner is responsible for possible child defuncs
}
void AccessibleParaManager::SetAdditionalChildStates( const VectorOfStates& rChildStates )
{
maChildStates = rChildStates;
}
const AccessibleParaManager::VectorOfStates& AccessibleParaManager::GetAdditionalChildStates() const
{
return maChildStates;
}
void AccessibleParaManager::SetNum( sal_Int32 nNumParas )
{
if( (size_t)nNumParas < maChildren.size() )
Release( nNumParas, maChildren.size() );
maChildren.resize( nNumParas );
if( mnFocusedChild >= nNumParas )
mnFocusedChild = -1;
}
sal_uInt32 AccessibleParaManager::GetNum() const
{
return maChildren.size();
}
AccessibleParaManager::VectorOfChildren::iterator AccessibleParaManager::begin()
{
return maChildren.begin();
}
AccessibleParaManager::VectorOfChildren::iterator AccessibleParaManager::end()
{
return maChildren.end();
}
AccessibleParaManager::VectorOfChildren::const_iterator AccessibleParaManager::begin() const
{
return maChildren.begin();
}
AccessibleParaManager::VectorOfChildren::const_iterator AccessibleParaManager::end() const
{
return maChildren.end();
}
void AccessibleParaManager::Release( sal_uInt32 nPara )
{
DBG_ASSERT( maChildren.size() > nPara, "AccessibleParaManager::Release: invalid index" );
if( maChildren.size() > nPara )
{
ShutdownPara( GetChild( nPara ) );
// clear reference and rect
maChildren[ nPara ] = WeakChild();
}
}
void AccessibleParaManager::FireEvent( sal_uInt32 nPara,
const sal_Int16 nEventId,
const uno::Any& rNewValue,
const uno::Any& rOldValue ) const
{
DBG_ASSERT( maChildren.size() > nPara, "AccessibleParaManager::FireEvent: invalid index" );
if( maChildren.size() > nPara )
{
WeakPara::HardRefType maChild( GetChild( nPara ).first.get() );
if( maChild.is() )
maChild->FireEvent( nEventId, rNewValue, rOldValue );
}
}
sal_Bool AccessibleParaManager::IsReferencable( WeakPara::HardRefType aChild )
{
return aChild.is();
}
sal_Bool AccessibleParaManager::IsReferencable( sal_uInt32 nChild ) const
{
DBG_ASSERT( maChildren.size() > nChild, "AccessibleParaManager::IsReferencable: invalid index" );
if( maChildren.size() > nChild )
{
// retrieve hard reference from weak one
return IsReferencable( GetChild( nChild ).first.get() );
}
else
{
return sal_False;
}
}
AccessibleParaManager::WeakChild AccessibleParaManager::GetChild( sal_uInt32 nParagraphIndex ) const
{
DBG_ASSERT( maChildren.size() > nParagraphIndex, "AccessibleParaManager::GetChild: invalid index" );
if( maChildren.size() > nParagraphIndex )
{
return maChildren[ nParagraphIndex ];
}
else
{
return WeakChild();
}
}
AccessibleParaManager::Child AccessibleParaManager::CreateChild( sal_Int32 nChild,
const uno::Reference< XAccessible >& xFrontEnd,
SvxEditSourceAdapter& rEditSource,
sal_uInt32 nParagraphIndex )
{
DBG_ASSERT( maChildren.size() > nParagraphIndex, "AccessibleParaManager::CreateChild: invalid index" );
if( maChildren.size() > nParagraphIndex )
{
// retrieve hard reference from weak one
WeakPara::HardRefType aChild( GetChild( nParagraphIndex ).first.get() );
if( !IsReferencable( nParagraphIndex ) )
{
// there is no hard reference available, create object then
// --> OD 2006-01-11 #i27138#
AccessibleEditableTextPara* pChild = new AccessibleEditableTextPara( xFrontEnd, this );
// <--
uno::Reference< XAccessible > xChild( static_cast< ::cppu::OWeakObject* > (pChild), uno::UNO_QUERY );
if( !xChild.is() )
throw uno::RuntimeException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Child creation failed")), xFrontEnd);
aChild = WeakPara::HardRefType( xChild, pChild );
InitChild( *aChild, rEditSource, nChild, nParagraphIndex );
maChildren[ nParagraphIndex ] = WeakChild( aChild, pChild->getBounds() );
}
return Child( aChild.getRef(), 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( sal_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_uInt32 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 == static_cast<sal_Int32>(nParagraphIndex) )
rChild.SetState( AccessibleStateType::FOCUSED );
// add states passed from outside
for( VectorOfStates::const_iterator aIt = maChildStates.begin(), aEnd = maChildStates.end(); aIt != aEnd; ++aIt )
rChild.SetState( *aIt );
}
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 ) );
}
void AccessibleParaManager::SetEditSource( SvxEditSourceAdapter* pEditSource )
{
MemFunAdapter< SvxEditSourceAdapter* > aAdapter( &::accessibility::AccessibleEditableTextPara::SetEditSource, pEditSource );
::std::for_each( begin(), end(), aAdapter );
}
// not generic yet, no arguments...
class AccessibleParaManager_DisposeChildren : public ::std::unary_function< ::accessibility::AccessibleEditableTextPara&, void >
{
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) );
}
// not generic yet, too many method arguments...
class StateChangeEvent : public ::std::unary_function< ::accessibility::AccessibleEditableTextPara&, void >
{
public:
typedef void return_type;
StateChangeEvent( const sal_Int16 nEventId,
const uno::Any& rNewValue,
const uno::Any& rOldValue ) :
mnEventId( nEventId ),
mrNewValue( rNewValue ),
mrOldValue( rOldValue ) {}
void operator()( ::accessibility::AccessibleEditableTextPara& rPara )
{
rPara.FireEvent( mnEventId, mrNewValue, mrOldValue );
}
private:
const sal_Int16 mnEventId;
const uno::Any& mrNewValue;
const uno::Any& mrOldValue;
};
void AccessibleParaManager::FireEvent( sal_uInt32 nStartPara,
sal_uInt32 nEndPara,
const sal_Int16 nEventId,
const uno::Any& rNewValue,
const uno::Any& rOldValue ) const
{
DBG_ASSERT( maChildren.size() > nStartPara &&
maChildren.size() >= nEndPara , "AccessibleParaManager::FireEvent: invalid index" );
if( maChildren.size() > nStartPara &&
maChildren.size() >= nEndPara )
{
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 ) );
}
}
class ReleaseChild : public ::std::unary_function< const AccessibleParaManager::WeakChild&, AccessibleParaManager::WeakChild >
{
public:
AccessibleParaManager::WeakChild operator()( const AccessibleParaManager::WeakChild& rPara )
{
AccessibleParaManager::ShutdownPara( rPara );
// clear reference
return AccessibleParaManager::WeakChild();
}
};
void AccessibleParaManager::Release( sal_uInt32 nStartPara, sal_uInt32 nEndPara )
{
DBG_ASSERT( maChildren.size() > nStartPara &&
maChildren.size() >= nEndPara, "AccessibleParaManager::Release: invalid index" );
if( maChildren.size() > nStartPara &&
maChildren.size() >= 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 )
{
WeakPara::HardRefType aChild( rChild.first.get() );
if( IsReferencable( aChild ) )
aChild->SetEditSource( NULL );
}
}
//------------------------------------------------------------------------