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|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <tools/gen.hxx>
#include <osl/mutex.hxx>
#include <vcl/svapp.hxx>
#include <rtl/ustring.hxx>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleTextType.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <comphelper/accessibleeventnotifier.hxx>
#include <unotools/accessiblestatesethelper.hxx>
#include <editeng/unolingu.hxx>
#include "editeng/AccessibleEditableTextPara.hxx"
#include "editeng/AccessibleImageBullet.hxx"
#include <editeng/eerdll.hxx>
#include <editeng/editdata.hxx>
#include <editeng/editeng.hxx>
#include <editeng/outliner.hxx>
#include "editeng.hrc"
#include <svtools/colorcfg.hxx>
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
namespace accessibility
{
DBG_NAME( AccessibleImageBullet )
AccessibleImageBullet::AccessibleImageBullet ( const uno::Reference< XAccessible >& rParent ) :
mnParagraphIndex( 0 ),
mnIndexInParent( 0 ),
mpEditSource( NULL ),
maEEOffset( 0, 0 ),
mxParent( rParent ),
// well, that's strictly (UNO) exception safe, though not
// really robust. We rely on the fact that this member is
// constructed last, and that the constructor body catches
// exceptions, thus no chance for exceptions once the Id is
// fetched. Nevertheless, normally should employ RAII here...
mnNotifierClientId(::comphelper::AccessibleEventNotifier::registerClient())
{
#ifdef DBG_UTIL
DBG_CTOR( AccessibleImageBullet, NULL );
OSL_TRACE( "Received ID: %d", mnNotifierClientId );
#endif
try
{
// Create the state set.
::utl::AccessibleStateSetHelper* pStateSet = new ::utl::AccessibleStateSetHelper ();
mxStateSet = pStateSet;
// these are always on
pStateSet->AddState( AccessibleStateType::VISIBLE );
pStateSet->AddState( AccessibleStateType::SHOWING );
pStateSet->AddState( AccessibleStateType::ENABLED );
pStateSet->AddState( AccessibleStateType::SENSITIVE );
}
catch( const uno::Exception& ) {}
}
AccessibleImageBullet::~AccessibleImageBullet()
{
DBG_DTOR( AccessibleImageBullet, NULL );
// sign off from event notifier
if( getNotifierClientId() != -1 )
{
try
{
::comphelper::AccessibleEventNotifier::revokeClient( getNotifierClientId() );
#ifdef DBG_UTIL
OSL_TRACE( "AccessibleImageBullet revoked ID: %d", mnNotifierClientId );
#endif
}
catch( const uno::Exception& ) {}
}
}
uno::Any SAL_CALL AccessibleImageBullet::queryInterface (const uno::Type & rType) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return AccessibleImageBulletInterfaceBase::queryInterface(rType);
}
uno::Reference< XAccessibleContext > SAL_CALL AccessibleImageBullet::getAccessibleContext( ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
// We implement the XAccessibleContext interface in the same object
return uno::Reference< XAccessibleContext > ( this );
}
sal_Int32 SAL_CALL AccessibleImageBullet::getAccessibleChildCount() throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return 0;
}
uno::Reference< XAccessible > SAL_CALL AccessibleImageBullet::getAccessibleChild( sal_Int32 i ) throw (lang::IndexOutOfBoundsException, uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
(void)i;
throw lang::IndexOutOfBoundsException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("No children available")),
uno::Reference< uno::XInterface >
( static_cast< ::cppu::OWeakObject* > (this) ) ); // static_cast: disambiguate hierarchy
}
uno::Reference< XAccessible > SAL_CALL AccessibleImageBullet::getAccessibleParent() throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return mxParent;
}
sal_Int32 SAL_CALL AccessibleImageBullet::getAccessibleIndexInParent() throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return mnIndexInParent;
}
sal_Int16 SAL_CALL AccessibleImageBullet::getAccessibleRole() throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return AccessibleRole::GRAPHIC;
}
::rtl::OUString SAL_CALL AccessibleImageBullet::getAccessibleDescription() throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
// Get the string from the resource for the specified id.
return EE_RESSTR(RID_SVXSTR_A11Y_IMAGEBULLET_DESCRIPTION);
}
::rtl::OUString SAL_CALL AccessibleImageBullet::getAccessibleName() throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
// Get the string from the resource for the specified id.
return EE_RESSTR(RID_SVXSTR_A11Y_IMAGEBULLET_NAME);
}
uno::Reference< XAccessibleRelationSet > SAL_CALL AccessibleImageBullet::getAccessibleRelationSet() throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
// no relations, therefore empty
return uno::Reference< XAccessibleRelationSet >();
}
uno::Reference< XAccessibleStateSet > SAL_CALL AccessibleImageBullet::getAccessibleStateSet() throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
// Create a copy of the state set and return it.
::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get());
if( !pStateSet )
return uno::Reference<XAccessibleStateSet>();
return uno::Reference<XAccessibleStateSet>( new ::utl::AccessibleStateSetHelper (*pStateSet) );
}
lang::Locale SAL_CALL AccessibleImageBullet::getLocale() throw (IllegalAccessibleComponentStateException, uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
lang::Locale aLocale;
DBG_ASSERT(GetParagraphIndex() >= 0 && GetParagraphIndex() <= USHRT_MAX,
"AccessibleImageBullet::getLocale: paragraph index value overflow");
// return locale of first character in the paragraph
return SvxLanguageToLocale(aLocale, GetTextForwarder().GetLanguage( static_cast< sal_uInt16 >( GetParagraphIndex() ), 0 ));
}
void SAL_CALL AccessibleImageBullet::addEventListener( const uno::Reference< XAccessibleEventListener >& xListener ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
if( getNotifierClientId() != -1 )
::comphelper::AccessibleEventNotifier::addEventListener( getNotifierClientId(), xListener );
}
void SAL_CALL AccessibleImageBullet::removeEventListener( const uno::Reference< XAccessibleEventListener >& xListener ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
if( getNotifierClientId() != -1 )
::comphelper::AccessibleEventNotifier::removeEventListener( getNotifierClientId(), xListener );
}
sal_Bool SAL_CALL AccessibleImageBullet::containsPoint( const awt::Point& rPoint ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
DBG_ASSERT(GetParagraphIndex() >= 0 && GetParagraphIndex() <= USHRT_MAX,
"AccessibleEditableTextPara::contains: index value overflow");
awt::Rectangle aTmpRect = getBounds();
Rectangle aRect( Point(aTmpRect.X, aTmpRect.Y), Size(aTmpRect.Width, aTmpRect.Height) );
Point aPoint( rPoint.X, rPoint.Y );
return aRect.IsInside( aPoint );
}
uno::Reference< XAccessible > SAL_CALL AccessibleImageBullet::getAccessibleAtPoint( const awt::Point& /*aPoint*/ ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
// as we have no children, empty reference
return uno::Reference< XAccessible >();
}
awt::Rectangle SAL_CALL AccessibleImageBullet::getBounds( ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
DBG_ASSERT(GetParagraphIndex() >= 0 && GetParagraphIndex() <= USHRT_MAX,
"AccessibleEditableTextPara::getBounds: index value overflow");
SvxTextForwarder& rCacheTF = GetTextForwarder();
EBulletInfo aBulletInfo = rCacheTF.GetBulletInfo( static_cast< sal_uInt16 > (GetParagraphIndex()) );
Rectangle aParentRect = rCacheTF.GetParaBounds( static_cast< sal_uInt16 >( GetParagraphIndex() ) );
if( aBulletInfo.nParagraph != EE_PARA_NOT_FOUND &&
aBulletInfo.bVisible &&
aBulletInfo.nType == SVX_NUM_BITMAP )
{
Rectangle aRect = aBulletInfo.aBounds;
// subtract paragraph position (bullet pos is absolute in EditEngine/Outliner)
aRect.Move( -aParentRect.Left(), -aParentRect.Top() );
// convert to screen coordinates
Rectangle aScreenRect = AccessibleEditableTextPara::LogicToPixel( aRect,
rCacheTF.GetMapMode(),
GetViewForwarder() );
// offset from shape/cell
Point aOffset = GetEEOffset();
return awt::Rectangle( aScreenRect.Left() + aOffset.X(),
aScreenRect.Top() + aOffset.Y(),
aScreenRect.GetSize().Width(),
aScreenRect.GetSize().Height() );
}
return awt::Rectangle();
}
awt::Point SAL_CALL AccessibleImageBullet::getLocation( ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
awt::Rectangle aRect = getBounds();
return awt::Point( aRect.X, aRect.Y );
}
awt::Point SAL_CALL AccessibleImageBullet::getLocationOnScreen( ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
// relate us to parent
uno::Reference< XAccessible > xParent = getAccessibleParent();
if( xParent.is() )
{
uno::Reference< XAccessibleComponent > xParentComponent( xParent, uno::UNO_QUERY );
if( xParentComponent.is() )
{
awt::Point aRefPoint = xParentComponent->getLocationOnScreen();
awt::Point aPoint = getLocation();
aPoint.X += aRefPoint.X;
aPoint.Y += aRefPoint.Y;
return aPoint;
}
}
throw uno::RuntimeException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Cannot access parent")),
uno::Reference< uno::XInterface >
( static_cast< XAccessible* > (this) ) ); // disambiguate hierarchy
}
awt::Size SAL_CALL AccessibleImageBullet::getSize( ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SolarMutexGuard aGuard;
awt::Rectangle aRect = getBounds();
return awt::Size( aRect.Width, aRect.Height );
}
void SAL_CALL AccessibleImageBullet::grabFocus( ) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
throw uno::RuntimeException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Not focusable")),
uno::Reference< uno::XInterface >
( static_cast< XAccessible* > (this) ) ); // disambiguate hierarchy
}
sal_Int32 SAL_CALL AccessibleImageBullet::getForeground( ) throw (::com::sun::star::uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
// #104444# Added to XAccessibleComponent interface
svtools::ColorConfig aColorConfig;
sal_uInt32 nColor = aColorConfig.GetColorValue( svtools::FONTCOLOR ).nColor;
return static_cast<sal_Int32>(nColor);
}
sal_Int32 SAL_CALL AccessibleImageBullet::getBackground( ) throw (::com::sun::star::uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
// #104444# Added to XAccessibleComponent interface
Color aColor( Application::GetSettings().GetStyleSettings().GetWindowColor().GetColor() );
// the background is transparent
aColor.SetTransparency( 0xFF);
return static_cast<sal_Int32>( aColor.GetColor() );
}
::rtl::OUString SAL_CALL AccessibleImageBullet::getImplementationName (void) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM ("AccessibleImageBullet"));
}
sal_Bool SAL_CALL AccessibleImageBullet::supportsService (const ::rtl::OUString& sServiceName) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
// Iterate over all supported service names and return true if on of them
// matches the given name.
uno::Sequence< ::rtl::OUString> aSupportedServices (
getSupportedServiceNames ());
for (int i=0; i<aSupportedServices.getLength(); i++)
if (sServiceName == aSupportedServices[i])
return sal_True;
return sal_False;
}
uno::Sequence< ::rtl::OUString> SAL_CALL AccessibleImageBullet::getSupportedServiceNames (void) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
const ::rtl::OUString sServiceName (RTL_CONSTASCII_USTRINGPARAM ("com.sun.star.accessibility.AccessibleContext"));
return uno::Sequence< ::rtl::OUString > (&sServiceName, 1);
}
::rtl::OUString SAL_CALL AccessibleImageBullet::getServiceName (void) throw (uno::RuntimeException)
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.accessibility.AccessibleContext"));
}
void AccessibleImageBullet::SetIndexInParent( sal_Int32 nIndex )
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
mnIndexInParent = nIndex;
}
void AccessibleImageBullet::SetEEOffset( const Point& rOffset )
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
maEEOffset = rOffset;
}
void AccessibleImageBullet::Dispose()
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
int nClientId( getNotifierClientId() );
// #108212# drop all references before notifying dispose
mxParent = NULL;
mnNotifierClientId = -1;
mpEditSource = NULL;
// notify listeners
if( nClientId != -1 )
{
try
{
uno::Reference < XAccessibleContext > xThis = getAccessibleContext();
// #106234# Delegate to EventNotifier
::comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing( nClientId, xThis );
#ifdef DBG_UTIL
OSL_TRACE( "AccessibleImageBullet disposed ID: %d", nClientId );
#endif
}
catch( const uno::Exception& ) {}
}
}
void AccessibleImageBullet::SetEditSource( SvxEditSource* pEditSource )
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
mpEditSource = pEditSource;
if( !mpEditSource )
{
// going defunc
UnSetState( AccessibleStateType::SHOWING );
UnSetState( AccessibleStateType::VISIBLE );
SetState( AccessibleStateType::INVALID );
SetState( AccessibleStateType::DEFUNC );
Dispose();
}
}
void AccessibleImageBullet::FireEvent(const sal_Int16 nEventId, const uno::Any& rNewValue, const uno::Any& rOldValue ) const
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
uno::Reference < XAccessibleContext > xThis( const_cast< AccessibleImageBullet* > (this)->getAccessibleContext() );
AccessibleEventObject aEvent(xThis, nEventId, rNewValue, rOldValue);
// #106234# Delegate to EventNotifier
::comphelper::AccessibleEventNotifier::addEvent( getNotifierClientId(),
aEvent );
}
void AccessibleImageBullet::GotPropertyEvent( const uno::Any& rNewValue, const sal_Int16 nEventId ) const
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
FireEvent( nEventId, rNewValue );
}
void AccessibleImageBullet::LostPropertyEvent( const uno::Any& rOldValue, const sal_Int16 nEventId ) const
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
FireEvent( nEventId, uno::Any(), rOldValue );
}
void AccessibleImageBullet::SetState( const sal_Int16 nStateId )
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get());
if( pStateSet != NULL &&
!pStateSet->contains(nStateId) )
{
pStateSet->AddState( nStateId );
GotPropertyEvent( uno::makeAny( nStateId ), AccessibleEventId::STATE_CHANGED );
}
}
void AccessibleImageBullet::UnSetState( const sal_Int16 nStateId )
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
::utl::AccessibleStateSetHelper* pStateSet = static_cast< ::utl::AccessibleStateSetHelper*>(mxStateSet.get());
if( pStateSet != NULL &&
pStateSet->contains(nStateId) )
{
pStateSet->RemoveState( nStateId );
LostPropertyEvent( uno::makeAny( nStateId ), AccessibleEventId::STATE_CHANGED );
}
}
int AccessibleImageBullet::getNotifierClientId() const
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return mnNotifierClientId;
}
void AccessibleImageBullet::SetParagraphIndex( sal_Int32 nIndex )
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
uno::Any aOldDesc;
uno::Any aOldName;
try
{
aOldDesc <<= getAccessibleDescription();
aOldName <<= getAccessibleName();
}
catch( const uno::Exception& ) {} // optional behaviour
sal_Int32 nOldIndex = mnParagraphIndex;
mnParagraphIndex = nIndex;
try
{
if( nOldIndex != nIndex )
{
// index and therefore description changed
FireEvent( AccessibleEventId::DESCRIPTION_CHANGED, uno::makeAny( getAccessibleDescription() ), aOldDesc );
FireEvent( AccessibleEventId::NAME_CHANGED, uno::makeAny( getAccessibleName() ), aOldName );
}
}
catch( const uno::Exception& ) {} // optional behaviour
}
sal_Int32 AccessibleImageBullet::GetParagraphIndex() const SAL_THROW((uno::RuntimeException))
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return mnParagraphIndex;
}
SvxEditSource& AccessibleImageBullet::GetEditSource() const SAL_THROW((uno::RuntimeException))
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
if( mpEditSource )
return *mpEditSource;
else
throw uno::RuntimeException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("No edit source, object is defunct")),
uno::Reference< uno::XInterface >
( static_cast< ::cppu::OWeakObject* >
( const_cast< AccessibleImageBullet* > (this) ) ) ); // disambiguate hierarchy
}
SvxTextForwarder& AccessibleImageBullet::GetTextForwarder() const SAL_THROW((uno::RuntimeException))
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SvxEditSource& rEditSource = GetEditSource();
SvxTextForwarder* pTextForwarder = rEditSource.GetTextForwarder();
if( !pTextForwarder )
throw uno::RuntimeException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Unable to fetch text forwarder, object is defunct")),
uno::Reference< uno::XInterface >
( static_cast< ::cppu::OWeakObject* >
( const_cast< AccessibleImageBullet* > (this) ) ) ); // disambiguate hierarchy
if( pTextForwarder->IsValid() )
return *pTextForwarder;
else
throw uno::RuntimeException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Text forwarder is invalid, object is defunct")),
uno::Reference< uno::XInterface >
( static_cast< ::cppu::OWeakObject* >
( const_cast< AccessibleImageBullet* > (this) ) ) ); // disambiguate hierarchy
}
SvxViewForwarder& AccessibleImageBullet::GetViewForwarder() const SAL_THROW((uno::RuntimeException))
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
SvxEditSource& rEditSource = GetEditSource();
SvxViewForwarder* pViewForwarder = rEditSource.GetViewForwarder();
if( !pViewForwarder )
{
throw uno::RuntimeException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("Unable to fetch view forwarder, object is defunct")),
uno::Reference< uno::XInterface >
( static_cast< ::cppu::OWeakObject* >
( const_cast< AccessibleImageBullet* > (this) ) ) ); // disambiguate hierarchy
}
if( pViewForwarder->IsValid() )
return *pViewForwarder;
else
throw uno::RuntimeException(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("View forwarder is invalid, object is defunct")),
uno::Reference< uno::XInterface >
( static_cast< ::cppu::OWeakObject* >
( const_cast< AccessibleImageBullet* > (this) ) ) ); // disambiguate hierarchy
}
const Point& AccessibleImageBullet::GetEEOffset() const
{
DBG_CHKTHIS( AccessibleImageBullet, NULL );
return maEEOffset;
}
} // end of namespace accessibility
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