/**************************************************************
 * 
 * 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.
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 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_accessibility.hxx"

#include "accessibility/extended/AccessibleBrowseBoxTableCell.hxx"
#include <svtools/accessibletableprovider.hxx>
#include "accessibility/extended/AccessibleBrowseBox.hxx"
#include <tools/gen.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>

namespace accessibility
{
	namespace
	{
		void checkIndex_Impl( sal_Int32 _nIndex, const ::rtl::OUString& _sText ) throw (::com::sun::star::lang::IndexOutOfBoundsException)
		{
			if ( _nIndex >= _sText.getLength() )
				throw ::com::sun::star::lang::IndexOutOfBoundsException();
		}

		sal_Int32 getIndex_Impl( sal_Int32 _nRow, sal_uInt16 _nColumn, sal_uInt16 _nColumnCount )
		{
			return _nRow * _nColumnCount + _nColumn;
		}
	}
	using namespace ::com::sun::star::lang;
	using namespace utl;
	using namespace comphelper;
	using ::rtl::OUString;
	using ::accessibility::AccessibleBrowseBox;
	using namespace ::com::sun::star::uno;
	using ::com::sun::star::accessibility::XAccessible;
	using namespace ::com::sun::star::accessibility;
    using namespace ::svt;


	// implementation of a table cell
	::rtl::OUString AccessibleBrowseBoxTableCell::implGetText()
	{
		ensureIsAlive();
        return mpBrowseBox->GetAccessibleCellText( getRowPos(), static_cast< sal_uInt16 >( getColumnPos() ) );
	}

	::com::sun::star::lang::Locale AccessibleBrowseBoxTableCell::implGetLocale()
	{
		ensureIsAlive();
		return mpBrowseBox->GetAccessible()->getAccessibleContext()->getLocale();
	}

	void AccessibleBrowseBoxTableCell::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex )
	{
		nStartIndex = 0;
		nEndIndex = 0;
	}

	AccessibleBrowseBoxTableCell::AccessibleBrowseBoxTableCell(const Reference<XAccessible >& _rxParent,
								IAccessibleTableProvider& _rBrowseBox,
								const ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow >& _xFocusWindow,
								sal_Int32 _nRowPos,
                                sal_uInt16 _nColPos,
                                sal_Int32 _nOffset )
		:AccessibleBrowseBoxCell( _rxParent, _rBrowseBox, _xFocusWindow, _nRowPos, _nColPos )
	{
        m_nOffset = ( OFFSET_DEFAULT == _nOffset ) ? (sal_Int32)BBINDEX_FIRSTCONTROL : _nOffset;
		sal_Int32 nIndex = getIndex_Impl( _nRowPos, _nColPos, _rBrowseBox.GetColumnCount() );
       setAccessibleName( _rBrowseBox.GetAccessibleObjectName( BBTYPE_TABLECELL, nIndex ) );
       setAccessibleDescription( _rBrowseBox.GetAccessibleObjectDescription( BBTYPE_TABLECELL, nIndex ) );
        // Need to register as event listener
        Reference< XComponent > xComponent(_rxParent, UNO_QUERY);
        if( xComponent.is() )
            xComponent->addEventListener(static_cast< XEventListener *> (this));
	}

    void AccessibleBrowseBoxTableCell::nameChanged( const ::rtl::OUString& rNewName, const ::rtl::OUString& rOldName )
    {
        implSetName( rNewName );
        Any aOldValue, aNewValue;
        aOldValue <<= rOldName;
        aNewValue <<= rNewName;
        commitEvent( AccessibleEventId::NAME_CHANGED, aOldValue, aNewValue );
    }

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

	/** Queries for a new interface. */
	::com::sun::star::uno::Any SAL_CALL AccessibleBrowseBoxTableCell::queryInterface(
			const ::com::sun::star::uno::Type& rType )
		throw ( ::com::sun::star::uno::RuntimeException )
	{
		Any aRet = AccessibleBrowseBoxCell::queryInterface(rType);
		if ( !aRet.hasValue() )
			aRet = AccessibleTextHelper_BASE::queryInterface(rType);
		return aRet;
	}

	/** Aquires the object (calls acquire() on base class). */
	void SAL_CALL AccessibleBrowseBoxTableCell::acquire() throw ()
	{
		AccessibleBrowseBoxCell::acquire();
	}

	/** Releases the object (calls release() on base class). */
	void SAL_CALL AccessibleBrowseBoxTableCell::release() throw ()
	{
		AccessibleBrowseBoxCell::release();
	}

	::com::sun::star::awt::Rectangle SAL_CALL AccessibleBrowseBoxTableCell::getCharacterBounds( sal_Int32 nIndex ) throw (IndexOutOfBoundsException, RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );

		ensureIsAlive();
		if ( !implIsValidIndex( nIndex, implGetText().getLength() ) )
			throw IndexOutOfBoundsException();

		::com::sun::star::awt::Rectangle aRect;

		if ( mpBrowseBox )
		{
			aRect = AWTRectangle( mpBrowseBox->GetFieldCharacterBounds( getRowPos(), getColumnPos(), nIndex ) );
		}

		return aRect;
	}

	sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getIndexAtPoint( const ::com::sun::star::awt::Point& _aPoint ) throw (RuntimeException)
	{
		//! TODO CTL bidi
		// DBG_ASSERT(0,"Need to be done by base class!");
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		ensureIsAlive();

		return mpBrowseBox->GetFieldIndexAtPoint( getRowPos(), getColumnPos(), VCLPoint( _aPoint ) );
	}

	/** @return
			The name of this class.
	*/
	::rtl::OUString SAL_CALL AccessibleBrowseBoxTableCell::getImplementationName()
		throw ( ::com::sun::star::uno::RuntimeException )
	{
		return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.svtools.AccessibleBrowseBoxTableCell" ) );
	}

	/** @return  The count of visible children. */
	sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getAccessibleChildCount()
		throw ( ::com::sun::star::uno::RuntimeException )
	{
		return 0;
	}

	/** @return  The XAccessible interface of the specified child. */
	::com::sun::star::uno::Reference<
		::com::sun::star::accessibility::XAccessible > SAL_CALL
		AccessibleBrowseBoxTableCell::getAccessibleChild( sal_Int32 )
			throw ( ::com::sun::star::lang::IndexOutOfBoundsException,
					::com::sun::star::uno::RuntimeException )
	{
		throw ::com::sun::star::lang::IndexOutOfBoundsException();
	}

	/** Creates a new AccessibleStateSetHelper and fills it with states of the
		current object.
		@return
			A filled AccessibleStateSetHelper.
	*/
	::utl::AccessibleStateSetHelper* AccessibleBrowseBoxTableCell::implCreateStateSetHelper()
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );

		::utl::AccessibleStateSetHelper* pStateSetHelper = new ::utl::AccessibleStateSetHelper;

		if( isAlive() )
		{
			// SHOWING done with mxParent
			if( implIsShowing() )
				pStateSetHelper->AddState( AccessibleStateType::SHOWING );

            mpBrowseBox->FillAccessibleStateSetForCell( *pStateSetHelper, getRowPos(), static_cast< sal_uInt16 >( getColumnPos() ) );
		}
		else
			pStateSetHelper->AddState( AccessibleStateType::DEFUNC );

		return pStateSetHelper;
	}


	// XAccessible ------------------------------------------------------------

	/** @return  The XAccessibleContext interface of this object. */
	Reference< XAccessibleContext > SAL_CALL AccessibleBrowseBoxTableCell::getAccessibleContext() throw ( RuntimeException )
	{
		ensureIsAlive();
		return this;
	}

	// XAccessibleContext -----------------------------------------------------

	sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getAccessibleIndexInParent()
			throw ( ::com::sun::star::uno::RuntimeException )
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		ensureIsAlive();

        return /*BBINDEX_FIRSTCONTROL*/ m_nOffset + ( getRowPos() * mpBrowseBox->GetColumnCount() ) + getColumnPos();
	}

	sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getCaretPosition(  ) throw (::com::sun::star::uno::RuntimeException)
	{
		return -1;
	}
	sal_Bool SAL_CALL AccessibleBrowseBoxTableCell::setCaretPosition ( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );

		if ( !implIsValidRange( nIndex, nIndex, implGetText().getLength() ) )
			throw IndexOutOfBoundsException();

		return sal_False;
	}
	sal_Unicode SAL_CALL AccessibleBrowseBoxTableCell::getCharacter( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getCharacter( nIndex );
	}
	::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL AccessibleBrowseBoxTableCell::getCharacterAttributes( sal_Int32 nIndex, const ::com::sun::star::uno::Sequence< ::rtl::OUString >& ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );

		::rtl::OUString sText( implGetText() );

		if ( !implIsValidIndex( nIndex, sText.getLength() ) )
			throw IndexOutOfBoundsException();

		return ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >();
	}
	sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getCharacterCount(  ) throw (::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getCharacterCount(  );
	}

	::rtl::OUString SAL_CALL AccessibleBrowseBoxTableCell::getSelectedText(  ) throw (::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getSelectedText(  );
	}
	sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getSelectionStart(  ) throw (::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getSelectionStart(  );
	}
	sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getSelectionEnd(  ) throw (::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getSelectionEnd(  );
	}
	sal_Bool SAL_CALL AccessibleBrowseBoxTableCell::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		if ( !implIsValidRange( nStartIndex, nEndIndex, implGetText().getLength() ) )
			throw IndexOutOfBoundsException();

		return sal_False;
	}
	::rtl::OUString SAL_CALL AccessibleBrowseBoxTableCell::getText(  ) throw (::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getText(  );
	}
	::rtl::OUString SAL_CALL AccessibleBrowseBoxTableCell::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getTextRange( nStartIndex, nEndIndex );
	}
    ::com::sun::star::accessibility::TextSegment SAL_CALL AccessibleBrowseBoxTableCell::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getTextAtIndex( nIndex ,aTextType);
	}
    ::com::sun::star::accessibility::TextSegment SAL_CALL AccessibleBrowseBoxTableCell::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getTextBeforeIndex( nIndex ,aTextType);
	}
    ::com::sun::star::accessibility::TextSegment SAL_CALL AccessibleBrowseBoxTableCell::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		return OCommonAccessibleText::getTextBehindIndex( nIndex ,aTextType);
	}
	sal_Bool SAL_CALL AccessibleBrowseBoxTableCell::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
	{
		BBSolarGuard aSolarGuard;
		::osl::MutexGuard aGuard( getOslMutex() );
		::rtl::OUString sText = implGetText();
		checkIndex_Impl( nStartIndex, sText );
		checkIndex_Impl( nEndIndex, sText );

		//!!! don't know how to put a string into the clipboard
		return sal_False;
	}
	void AccessibleBrowseBoxTableCell::disposing( const EventObject& _rSource ) throw (RuntimeException)
	{
        	if ( _rSource.Source == mxParent )
        	{
                	dispose();
        	}
	}

}