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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 <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <unotools/accessiblestatesethelper.hxx>
#include <osl/mutex.hxx>
#include <vcl/svapp.hxx>
#include <vcl/window.hxx>
#include <frmfmt.hxx>
#include <ndnotxt.hxx>
#include <flyfrm.hxx>
#include <cntfrm.hxx>
#include <fmtcntnt.hxx>
#include <ndindex.hxx>
#include "fesh.hxx"
#include <hints.hxx>
#include "accmap.hxx"
#include "accframebase.hxx"
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
sal_Bool SwAccessibleFrameBase::IsSelected()
{
sal_Bool bRet = sal_False;
OSL_ENSURE( GetMap(), "no map?" );
const ViewShell *pVSh = GetMap()->GetShell();
OSL_ENSURE( pVSh, "no shell?" );
if( pVSh->ISA( SwFEShell ) )
{
const SwFEShell *pFESh = static_cast< const SwFEShell * >( pVSh );
const SwFrm *pFlyFrm = pFESh->GetCurrFlyFrm();
if( pFlyFrm == GetFrm() )
bRet = sal_True;
}
return bRet;
}
void SwAccessibleFrameBase::GetStates(
::utl::AccessibleStateSetHelper& rStateSet )
{
SwAccessibleContext::GetStates( rStateSet );
const ViewShell *pVSh = GetMap()->GetShell();
OSL_ENSURE( pVSh, "no shell?" );
sal_Bool bSelectable = pVSh->ISA( SwFEShell );
// SELECTABLE
if( bSelectable )
rStateSet.AddState( AccessibleStateType::SELECTABLE );
// FOCUSABLE
if( bSelectable )
rStateSet.AddState( AccessibleStateType::FOCUSABLE );
// SELECTED and FOCUSED
if( IsSelected() )
{
rStateSet.AddState( AccessibleStateType::SELECTED );
OSL_ENSURE( bIsSelected, "bSelected out of sync" );
::rtl::Reference < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
Window *pWin = GetWindow();
if( pWin && pWin->HasFocus() )
rStateSet.AddState( AccessibleStateType::FOCUSED );
}
}
sal_uInt8 SwAccessibleFrameBase::GetNodeType( const SwFlyFrm *pFlyFrm )
{
sal_uInt8 nType = ND_TEXTNODE;
if( pFlyFrm->Lower() )
{
if( pFlyFrm->Lower()->IsNoTxtFrm() )
{
const SwCntntFrm *pCntFrm =
static_cast<const SwCntntFrm *>( pFlyFrm->Lower() );
nType = pCntFrm->GetNode()->GetNodeType();
}
}
else
{
const SwFrmFmt *pFrmFmt = pFlyFrm->GetFmt();
const SwFmtCntnt& rCntnt = pFrmFmt->GetCntnt();
const SwNodeIndex *pNdIdx = rCntnt.GetCntntIdx();
if( pNdIdx )
{
const SwCntntNode *pCNd =
(pNdIdx->GetNodes())[pNdIdx->GetIndex()+1]->GetCntntNode();
if( pCNd )
nType = pCNd->GetNodeType();
}
}
return nType;
}
SwAccessibleFrameBase::SwAccessibleFrameBase(
SwAccessibleMap* pInitMap,
sal_Int16 nInitRole,
const SwFlyFrm* pFlyFrm ) :
SwAccessibleContext( pInitMap, nInitRole, pFlyFrm ),
bIsSelected( sal_False )
{
SolarMutexGuard aGuard;
const SwFrmFmt *pFrmFmt = pFlyFrm->GetFmt();
const_cast< SwFrmFmt * >( pFrmFmt )->Add( this );
SetName( pFrmFmt->GetName() );
bIsSelected = IsSelected();
}
void SwAccessibleFrameBase::_InvalidateCursorPos()
{
sal_Bool bNewSelected = IsSelected();
sal_Bool bOldSelected;
{
osl::MutexGuard aGuard( aMutex );
bOldSelected = bIsSelected;
bIsSelected = bNewSelected;
}
if( bNewSelected )
{
// remember that object as the one that has the caret. This is
// necessary to notify that object if the cursor leaves it.
::rtl::Reference < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
if( bOldSelected != bNewSelected )
{
Window *pWin = GetWindow();
if( pWin && pWin->HasFocus() && bNewSelected )
FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
FireStateChangedEvent( AccessibleStateType::SELECTED, bNewSelected );
if( pWin && pWin->HasFocus() && !bNewSelected )
FireStateChangedEvent( AccessibleStateType::FOCUSED, bNewSelected );
uno::Reference< XAccessible > xParent( GetWeakParent() );
if( xParent.is() )
{
SwAccessibleContext *pAcc =
static_cast <SwAccessibleContext *>( xParent.get() );
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::SELECTION_CHANGED;
pAcc->FireAccessibleEvent( aEvent );
}
}
}
void SwAccessibleFrameBase::_InvalidateFocus()
{
Window *pWin = GetWindow();
if( pWin )
{
sal_Bool bSelected;
{
osl::MutexGuard aGuard( aMutex );
bSelected = bIsSelected;
}
OSL_ENSURE( bSelected, "focus object should be selected" );
FireStateChangedEvent( AccessibleStateType::FOCUSED,
pWin->HasFocus() && bSelected );
}
}
sal_Bool SwAccessibleFrameBase::HasCursor()
{
osl::MutexGuard aGuard( aMutex );
return bIsSelected;
}
SwAccessibleFrameBase::~SwAccessibleFrameBase()
{
}
void SwAccessibleFrameBase::Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew)
{
sal_uInt16 nWhich = pOld ? pOld->Which() : pNew ? pNew->Which() : 0 ;
const SwFlyFrm *pFlyFrm = static_cast< const SwFlyFrm * >( GetFrm() );
switch( nWhich )
{
case RES_NAME_CHANGED:
if( pFlyFrm )
{
const SwFrmFmt *pFrmFmt = pFlyFrm->GetFmt();
OSL_ENSURE( pFrmFmt == GetRegisteredIn(), "invalid frame" );
OUString sOldName( GetName() );
OSL_ENSURE( !pOld ||
static_cast < const SwStringMsgPoolItem * >( pOld )->GetString() == String( sOldName ),
"invalid old name" );
const String& rNewName = pFrmFmt->GetName();
SetName( rNewName );
OSL_ENSURE( !pNew ||
static_cast < const SwStringMsgPoolItem * >( pNew )->GetString() == rNewName,
"invalid new name" );
if( sOldName != GetName() )
{
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::NAME_CHANGED;
aEvent.OldValue <<= sOldName;
aEvent.NewValue <<= GetName();
FireAccessibleEvent( aEvent );
}
}
break;
case RES_OBJECTDYING:
// mba: it seems that this class intentionally does not call code in base class SwClient
if( GetRegisteredIn() ==
static_cast< SwModify *>( static_cast< const SwPtrMsgPoolItem * >( pOld )->pObject ) )
GetRegisteredInNonConst()->Remove( this );
break;
case RES_FMT_CHG:
if( static_cast< const SwFmtChg * >(pNew)->pChangedFmt == GetRegisteredIn() &&
static_cast< const SwFmtChg * >(pOld)->pChangedFmt->IsFmtInDTOR() )
GetRegisteredInNonConst()->Remove( this );
break;
default:
// mba: former call to base class method removed as it is meant to handle only RES_OBJECTDYING
break;
}
}
void SwAccessibleFrameBase::Dispose( sal_Bool bRecursive )
{
SolarMutexGuard aGuard;
if( GetRegisteredIn() )
GetRegisteredInNonConst()->Remove( this );
SwAccessibleContext::Dispose( bRecursive );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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