xref: /aoo42x/main/accessibility/source/standard/vclxaccessibleradiobutton.cxx (revision 09e0ec10)

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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * with the License.  You may obtain a copy of the License at
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 *   http://www.apache.org/licenses/LICENSE-2.0
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_accessibility.hxx"

// includes --------------------------------------------------------------
#include <accessibility/standard/vclxaccessibleradiobutton.hxx>

#include <toolkit/awt/vclxwindows.hxx>
#include <accessibility/helper/accresmgr.hxx>
#include <accessibility/helper/accessiblestrings.hrc>

#include <unotools/accessiblerelationsethelper.hxx>
#include <unotools/accessiblestatesethelper.hxx>
#include <comphelper/accessiblekeybindinghelper.hxx>
#include <com/sun/star/awt/KeyModifier.hpp>
#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <cppuhelper/typeprovider.hxx>
#include <comphelper/sequence.hxx>
#include <vcl/window.hxx>
#include <vcl/button.hxx>


using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::accessibility;
using namespace ::comphelper;


// -----------------------------------------------------------------------------
// VCLXAccessibleRadioButton
// -----------------------------------------------------------------------------

VCLXAccessibleRadioButton::VCLXAccessibleRadioButton( VCLXWindow* pVCLWindow )
	:VCLXAccessibleTextComponent( pVCLWindow )
{
}

// -----------------------------------------------------------------------------

VCLXAccessibleRadioButton::~VCLXAccessibleRadioButton()
{
}

// -----------------------------------------------------------------------------

void VCLXAccessibleRadioButton::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
{
	switch ( rVclWindowEvent.GetId() )
	{
		case VCLEVENT_RADIOBUTTON_TOGGLE:
		{
			Any aOldValue;
			Any aNewValue;

			VCLXRadioButton* pVCLXRadioButton = static_cast< VCLXRadioButton* >( GetVCLXWindow() );
			if ( pVCLXRadioButton && pVCLXRadioButton->getState() )
				aNewValue <<= AccessibleStateType::CHECKED;
			else
				aOldValue <<= AccessibleStateType::CHECKED;

			NotifyAccessibleEvent( AccessibleEventId::STATE_CHANGED, aOldValue, aNewValue );
		}
		break;
		default:
			VCLXAccessibleTextComponent::ProcessWindowEvent( rVclWindowEvent );
	}
}

// -----------------------------------------------------------------------------

void VCLXAccessibleRadioButton::FillAccessibleRelationSet( utl::AccessibleRelationSetHelper& rRelationSet )
{
	VCLXAccessibleTextComponent::FillAccessibleRelationSet( rRelationSet );

	RadioButton* pRadioButton = dynamic_cast< RadioButton* >( GetWindow() );
	if ( pRadioButton )
	{
		::std::vector< RadioButton* > aGroup;
		pRadioButton->GetRadioButtonGroup( aGroup, true );
		if ( !aGroup.empty() )
		{
			sal_Int32 i = 0;
			Sequence< Reference< XInterface > > aSequence( static_cast< sal_Int32 >( aGroup.size() ) );
			::std::vector< RadioButton* >::const_iterator aEndItr = aGroup.end();
			for ( ::std::vector< RadioButton* >::const_iterator aItr = aGroup.begin(); aItr < aEndItr; ++aItr )
			{
				aSequence[i++] = (*aItr)->GetAccessible();
			}
			rRelationSet.AddRelation( AccessibleRelation( AccessibleRelationType::MEMBER_OF, aSequence ) );
		}
	}
}

// -----------------------------------------------------------------------------

void VCLXAccessibleRadioButton::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet )
{
	VCLXAccessibleTextComponent::FillAccessibleStateSet( rStateSet );

	VCLXRadioButton* pVCLXRadioButton = static_cast< VCLXRadioButton* >( GetVCLXWindow() );
	if ( pVCLXRadioButton )
	{
		rStateSet.AddState( AccessibleStateType::FOCUSABLE );
		if ( pVCLXRadioButton->getState() )
			rStateSet.AddState( AccessibleStateType::CHECKED );
	}
}

// -----------------------------------------------------------------------------
// XInterface
// -----------------------------------------------------------------------------

IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleRadioButton, VCLXAccessibleTextComponent, VCLXAccessibleRadioButton_BASE )

// -----------------------------------------------------------------------------
// XTypeProvider
// -----------------------------------------------------------------------------

IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleRadioButton, VCLXAccessibleTextComponent, VCLXAccessibleRadioButton_BASE )

// -----------------------------------------------------------------------------
// XServiceInfo
// -----------------------------------------------------------------------------

::rtl::OUString VCLXAccessibleRadioButton::getImplementationName() throw (RuntimeException)
{
	return ::rtl::OUString::createFromAscii( "com.sun.star.comp.toolkit.AccessibleRadioButton" );
}

// -----------------------------------------------------------------------------

Sequence< ::rtl::OUString > VCLXAccessibleRadioButton::getSupportedServiceNames() throw (RuntimeException)
{
	Sequence< ::rtl::OUString > aNames(1);
	aNames[0] = ::rtl::OUString::createFromAscii( "com.sun.star.awt.AccessibleRadioButton" );
	return aNames;
}

// -----------------------------------------------------------------------------
// XAccessibleAction
// -----------------------------------------------------------------------------

sal_Int32 VCLXAccessibleRadioButton::getAccessibleActionCount( ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	return 1;
}

// -----------------------------------------------------------------------------

sal_Bool VCLXAccessibleRadioButton::doAccessibleAction ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
	OExternalLockGuard aGuard( this );

	if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
		throw IndexOutOfBoundsException();

	VCLXRadioButton* pVCLXRadioButton = static_cast< VCLXRadioButton* >( GetVCLXWindow() );
	if ( pVCLXRadioButton && !pVCLXRadioButton->getState() )
		pVCLXRadioButton->setState( sal_True );

	return sal_True;
}

// -----------------------------------------------------------------------------

::rtl::OUString VCLXAccessibleRadioButton::getAccessibleActionDescription ( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
	OExternalLockGuard aGuard( this );

	if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
		throw IndexOutOfBoundsException();
	return ::rtl::OUString( TK_RES_STRING( RID_STR_ACC_ACTION_SELECT ) );
}

// -----------------------------------------------------------------------------

Reference< XAccessibleKeyBinding > VCLXAccessibleRadioButton::getAccessibleActionKeyBinding( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
{
	OExternalLockGuard aGuard( this );

	if ( nIndex < 0 || nIndex >= getAccessibleActionCount() )
		throw IndexOutOfBoundsException();

	OAccessibleKeyBindingHelper* pKeyBindingHelper = new OAccessibleKeyBindingHelper();
	Reference< XAccessibleKeyBinding > xKeyBinding = pKeyBindingHelper;

	Window* pWindow = GetWindow();
	if ( pWindow )
	{
		KeyEvent aKeyEvent = pWindow->GetActivationKey();
		KeyCode aKeyCode = aKeyEvent.GetKeyCode();
		if ( aKeyCode.GetCode() != 0 )
		{
			awt::KeyStroke aKeyStroke;
			aKeyStroke.Modifiers = 0;
			if ( aKeyCode.IsShift() )
				aKeyStroke.Modifiers |= awt::KeyModifier::SHIFT;
			if ( aKeyCode.IsMod1() )
				aKeyStroke.Modifiers |= awt::KeyModifier::MOD1;
			if ( aKeyCode.IsMod2() )
				aKeyStroke.Modifiers |= awt::KeyModifier::MOD2;
			if ( aKeyCode.IsMod3() )
				aKeyStroke.Modifiers |= awt::KeyModifier::MOD3;
			aKeyStroke.KeyCode = aKeyCode.GetCode();
			aKeyStroke.KeyChar = aKeyEvent.GetCharCode();
			aKeyStroke.KeyFunc = static_cast< sal_Int16 >( aKeyCode.GetFunction() );
			pKeyBindingHelper->AddKeyBinding( aKeyStroke );
		}
	}

	return xKeyBinding;
}

// -----------------------------------------------------------------------------
// XAccessibleValue
// -----------------------------------------------------------------------------

Any VCLXAccessibleRadioButton::getCurrentValue(  ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	Any aValue;

	VCLXRadioButton* pVCLXRadioButton = static_cast< VCLXRadioButton* >( GetVCLXWindow() );
	if ( pVCLXRadioButton )
		aValue <<= (sal_Int32) pVCLXRadioButton->getState();

	return aValue;
}

// -----------------------------------------------------------------------------

sal_Bool VCLXAccessibleRadioButton::setCurrentValue( const Any& aNumber ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	sal_Bool bReturn = sal_False;

	VCLXRadioButton* pVCLXRadioButton = static_cast< VCLXRadioButton* >( GetVCLXWindow() );
	if ( pVCLXRadioButton )
	{
		sal_Int32 nValue = 0;
		OSL_VERIFY( aNumber >>= nValue );

		if ( nValue < 0 )
			nValue = 0;
		else if ( nValue > 1 )
			nValue = 1;

		pVCLXRadioButton->setState( (sal_Bool) nValue );
		bReturn = sal_True;
	}

	return bReturn;
}

// -----------------------------------------------------------------------------

Any VCLXAccessibleRadioButton::getMaximumValue(  ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	Any aValue;
	aValue <<= (sal_Int32) 1;

	return aValue;
}

// -----------------------------------------------------------------------------

Any VCLXAccessibleRadioButton::getMinimumValue(  ) throw (RuntimeException)
{
	OExternalLockGuard aGuard( this );

	Any aValue;
	aValue <<= (sal_Int32) 0;

	return aValue;
}

// -----------------------------------------------------------------------------