xref: /aoo4110/main/accessibility/source/standard/vclxaccessibledropdowncombobox.cxx (revision b1cdbd2c)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "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
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_accessibility.hxx"
#include <accessibility/standard/vclxaccessibledropdowncombobox.hxx>
#include <accessibility/standard/vclxaccessiblecombobox.hxx>
#include <accessibility/standard/vclxaccessibletextfield.hxx>
#include <accessibility/standard/vclxaccessiblelist.hxx>
#include <accessibility/helper/accresmgr.hxx>
#include <accessibility/helper/accessiblestrings.hrc>

#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <tools/debug.hxx>
#include <vcl/svapp.hxx>
#include <vcl/combobox.hxx>
#include <vcl/unohelp.hxx>

#include <toolkit/awt/vclxwindow.hxx>
#include <toolkit/helper/convert.hxx>

#include <comphelper/sequence.hxx>
#include <cppuhelper/typeprovider.hxx>
#include <unotools/accessiblestatesethelper.hxx>


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


VCLXAccessibleDropDownComboBox::VCLXAccessibleDropDownComboBox (VCLXWindow* pVCLWindow)
    : VCLXAccessibleBox (pVCLWindow, VCLXAccessibleBox::COMBOBOX, true)
{
}




VCLXAccessibleDropDownComboBox::~VCLXAccessibleDropDownComboBox (void)
{
}



bool VCLXAccessibleDropDownComboBox::IsValid (void) const
{
    return static_cast<ComboBox*>(GetWindow()) != NULL;

}




void VCLXAccessibleDropDownComboBox::ProcessWindowEvent (const VclWindowEvent& rVclWindowEvent)
{
	switch ( rVclWindowEvent.GetId() )
	{
		case VCLEVENT_DROPDOWN_OPEN:
		case VCLEVENT_DROPDOWN_CLOSE:
		{
            /*			// child count changed
			Any aOldValue, aNewValue;
			// get the listbox child
			Reference< XAccessible > xChild;
			if ( !xChild.is() )
			{
				try
				{
					// the listbox is the second child
					xChild = getAccessibleChild(1);
				}
				catch ( IndexOutOfBoundsException& ) {}
				catch ( RuntimeException& ) {}
			}
			if ( rVclWindowEvent.GetId() == VCLEVENT_DROPDOWN_OPEN )
				aNewValue <<= xChild;
			else
				aOldValue <<= xChild;
			NotifyAccessibleEvent(
			AccessibleEventId::CHILD, aOldValue, aNewValue
			);
            */
			break;
		}

		default:
			VCLXAccessibleBox::ProcessWindowEvent( rVclWindowEvent );
	}
}




//=====  XServiceInfo  ========================================================

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




Sequence< ::rtl::OUString > VCLXAccessibleDropDownComboBox::getSupportedServiceNames (void)
    throw (RuntimeException)
{
	Sequence< ::rtl::OUString > aNames = VCLXAccessibleBox::getSupportedServiceNames();
	sal_Int32 nLength = aNames.getLength();
	aNames.realloc( nLength + 1 );
	aNames[nLength] = ::rtl::OUString::createFromAscii(
        "com.sun.star.accessibility.AccessibleDropDownComboBox" );
	return aNames;
}