office-gobmx/accessibility/source/extended/accessibleiconchoicectrl.cxx
2011-11-27 12:54:37 -06:00

372 lines
16 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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#include "accessibility/extended/accessibleiconchoicectrl.hxx"
#include "accessibility/extended/accessibleiconchoicectrlentry.hxx"
#include <svtools/ivctrl.hxx>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <unotools/accessiblestatesethelper.hxx>
#include <tools/debug.hxx>
#include <vcl/svapp.hxx>
#include <cppuhelper/typeprovider.hxx>
//........................................................................
namespace accessibility
{
//........................................................................
// class AccessibleIconChoiceCtrl ----------------------------------------------
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star;
DBG_NAME(AccessibleIconChoiceCtrl)
// -----------------------------------------------------------------------------
// Ctor() and Dtor()
// -----------------------------------------------------------------------------
AccessibleIconChoiceCtrl::AccessibleIconChoiceCtrl( SvtIconChoiceCtrl& _rIconCtrl, const Reference< XAccessible >& _xParent ) :
VCLXAccessibleComponent( _rIconCtrl.GetWindowPeer() ),
m_xParent ( _xParent )
{
DBG_CTOR( AccessibleIconChoiceCtrl, NULL );
}
// -----------------------------------------------------------------------------
AccessibleIconChoiceCtrl::~AccessibleIconChoiceCtrl()
{
DBG_DTOR( AccessibleIconChoiceCtrl, NULL );
}
// -----------------------------------------------------------------------------
IMPLEMENT_FORWARD_XINTERFACE2(AccessibleIconChoiceCtrl, VCLXAccessibleComponent, AccessibleIconChoiceCtrl_BASE)
IMPLEMENT_FORWARD_XTYPEPROVIDER2(AccessibleIconChoiceCtrl, VCLXAccessibleComponent, AccessibleIconChoiceCtrl_BASE)
// -----------------------------------------------------------------------------
void AccessibleIconChoiceCtrl::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
{
if ( isAlive() )
{
switch ( rVclWindowEvent.GetId() )
{
case VCLEVENT_LISTBOX_SELECT :
{
// First send an event that tells the listeners of a
// modified selection. The active descendant event is
// send after that so that the receiving AT has time to
// read the text or name of the active child.
NotifyAccessibleEvent( AccessibleEventId::SELECTION_CHANGED, Any(), Any() );
SvtIconChoiceCtrl* pCtrl = getCtrl();
if ( pCtrl && pCtrl->HasFocus() )
{
SvxIconChoiceCtrlEntry* pEntry = static_cast< SvxIconChoiceCtrlEntry* >( rVclWindowEvent.GetData() );
if ( pEntry )
{
sal_uLong nPos = pCtrl->GetEntryListPos( pEntry );
Reference< XAccessible > xChild = new AccessibleIconChoiceCtrlEntry( *pCtrl, nPos, this );
uno::Any aOldValue, aNewValue;
aNewValue <<= xChild;
NotifyAccessibleEvent( AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue );
}
}
break;
}
default:
VCLXAccessibleComponent::ProcessWindowChildEvent (rVclWindowEvent);
}
}
}
// -----------------------------------------------------------------------------
// XComponent
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleIconChoiceCtrl::disposing()
{
::osl::MutexGuard aGuard( m_aMutex );
m_xParent = NULL;
}
// -----------------------------------------------------------------------------
// XServiceInfo
// -----------------------------------------------------------------------------
::rtl::OUString SAL_CALL AccessibleIconChoiceCtrl::getImplementationName() throw (RuntimeException)
{
return getImplementationName_Static();
}
// -----------------------------------------------------------------------------
Sequence< ::rtl::OUString > SAL_CALL AccessibleIconChoiceCtrl::getSupportedServiceNames() throw (RuntimeException)
{
return getSupportedServiceNames_Static();
}
// -----------------------------------------------------------------------------
sal_Bool SAL_CALL AccessibleIconChoiceCtrl::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
{
Sequence< ::rtl::OUString > aSupported( getSupportedServiceNames() );
const ::rtl::OUString* pSupported = aSupported.getConstArray();
const ::rtl::OUString* pEnd = pSupported + aSupported.getLength();
for ( ; pSupported != pEnd && !pSupported->equals(_rServiceName); ++pSupported )
;
return pSupported != pEnd;
}
// -----------------------------------------------------------------------------
// XServiceInfo - static methods
// -----------------------------------------------------------------------------
Sequence< ::rtl::OUString > AccessibleIconChoiceCtrl::getSupportedServiceNames_Static(void) throw (RuntimeException)
{
Sequence< ::rtl::OUString > aSupported(3);
aSupported[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.accessibility.AccessibleContext") );
aSupported[1] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.accessibility.AccessibleComponent") );
aSupported[2] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.awt.AccessibleIconChoiceControl") );
return aSupported;
}
// -----------------------------------------------------------------------------
::rtl::OUString AccessibleIconChoiceCtrl::getImplementationName_Static(void) throw (RuntimeException)
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("com.sun.star.comp.svtools.AccessibleIconChoiceControl") );
}
// -----------------------------------------------------------------------------
// XAccessible
// -----------------------------------------------------------------------------
Reference< XAccessibleContext > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleContext( ) throw (RuntimeException)
{
ensureAlive();
return this;
}
// -----------------------------------------------------------------------------
// XAccessibleContext
// -----------------------------------------------------------------------------
sal_Int32 SAL_CALL AccessibleIconChoiceCtrl::getAccessibleChildCount( ) throw (RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
return getCtrl()->GetEntryCount();
}
// -----------------------------------------------------------------------------
Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleChild( sal_Int32 i ) throw (RuntimeException, IndexOutOfBoundsException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
SvtIconChoiceCtrl* pCtrl = getCtrl();
SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry(i);
if ( !pEntry )
throw RuntimeException();
return new AccessibleIconChoiceCtrlEntry( *pCtrl, i, this );
}
// -----------------------------------------------------------------------------
Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getAccessibleParent( ) throw (RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
ensureAlive();
return m_xParent;
}
// -----------------------------------------------------------------------------
sal_Int16 SAL_CALL AccessibleIconChoiceCtrl::getAccessibleRole( ) throw (RuntimeException)
{
return AccessibleRole::TREE;
}
// -----------------------------------------------------------------------------
::rtl::OUString SAL_CALL AccessibleIconChoiceCtrl::getAccessibleDescription( ) throw (RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
return getCtrl()->GetAccessibleDescription();
}
// -----------------------------------------------------------------------------
::rtl::OUString SAL_CALL AccessibleIconChoiceCtrl::getAccessibleName( ) throw (RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
::rtl::OUString sName = getCtrl()->GetAccessibleName();
if ( sName.getLength() == 0 )
sName = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "IconChoiceControl" ) );
return sName;
}
// -----------------------------------------------------------------------------
// XAccessibleSelection
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleIconChoiceCtrl::selectAccessibleChild( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
SvtIconChoiceCtrl* pCtrl = getCtrl();
SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( nChildIndex );
if ( !pEntry )
throw IndexOutOfBoundsException();
pCtrl->SetCursor( pEntry );
}
// -----------------------------------------------------------------------------
sal_Bool SAL_CALL AccessibleIconChoiceCtrl::isAccessibleChildSelected( sal_Int32 nChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
SvtIconChoiceCtrl* pCtrl = getCtrl();
SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( nChildIndex );
if ( !pEntry )
throw IndexOutOfBoundsException();
return ( pCtrl->GetCursor() == pEntry );
}
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleIconChoiceCtrl::clearAccessibleSelection( ) throw (RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
getCtrl()->SetNoSelection();
}
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleIconChoiceCtrl::selectAllAccessibleChildren( ) throw (RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
sal_Int32 i, nCount = 0;
SvtIconChoiceCtrl* pCtrl = getCtrl();
nCount = pCtrl->GetEntryCount();
for ( i = 0; i < nCount; ++i )
{
SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
if ( pCtrl->GetCursor() != pEntry )
pCtrl->SetCursor( pEntry );
}
}
// -----------------------------------------------------------------------------
sal_Int32 SAL_CALL AccessibleIconChoiceCtrl::getSelectedAccessibleChildCount( ) throw (RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
sal_Int32 i, nSelCount = 0, nCount = 0;
SvtIconChoiceCtrl* pCtrl = getCtrl();
nCount = pCtrl->GetEntryCount();
for ( i = 0; i < nCount; ++i )
{
SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
if ( pCtrl->GetCursor() == pEntry )
++nSelCount;
}
return nSelCount;
}
// -----------------------------------------------------------------------------
Reference< XAccessible > SAL_CALL AccessibleIconChoiceCtrl::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
throw IndexOutOfBoundsException();
Reference< XAccessible > xChild;
sal_Int32 i, nSelCount = 0, nCount = 0;
SvtIconChoiceCtrl* pCtrl = getCtrl();
nCount = pCtrl->GetEntryCount();
for ( i = 0; i < nCount; ++i )
{
SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
if ( pCtrl->GetCursor() == pEntry )
++nSelCount;
if ( nSelCount == ( nSelectedChildIndex + 1 ) )
{
xChild = new AccessibleIconChoiceCtrlEntry( *pCtrl, i, this );
break;
}
}
return xChild;
}
// -----------------------------------------------------------------------------
void SAL_CALL AccessibleIconChoiceCtrl::deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
::comphelper::OExternalLockGuard aGuard( this );
ensureAlive();
if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getAccessibleChildCount() )
throw IndexOutOfBoundsException();
Reference< XAccessible > xChild;
sal_Int32 i, nSelCount = 0, nCount = 0;
SvtIconChoiceCtrl* pCtrl = getCtrl();
nCount = pCtrl->GetEntryCount();
bool bFound = false;
for ( i = 0; i < nCount; ++i )
{
SvxIconChoiceCtrlEntry* pEntry = pCtrl->GetEntry( i );
if ( pEntry->IsSelected() )
{
++nSelCount;
if ( i == nSelectedChildIndex )
bFound = true;
}
}
// if only one entry is selected and its index is choosen to deselect -> no selection anymore
if ( 1 == nSelCount && bFound )
pCtrl->SetNoSelection();
}
// -----------------------------------------------------------------------------
void AccessibleIconChoiceCtrl::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
{
VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
if ( isAlive() )
{
rStateSet.AddState( AccessibleStateType::FOCUSABLE );
rStateSet.AddState( AccessibleStateType::MANAGES_DESCENDANTS );
rStateSet.AddState( AccessibleStateType::SELECTABLE );
}
}
// -----------------------------------------------------------------------------
SvtIconChoiceCtrl* AccessibleIconChoiceCtrl::getCtrl()
{
return static_cast<SvtIconChoiceCtrl*>(GetWindow());
}
//........................................................................
}// namespace accessibility
//........................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */