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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
 * "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
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 * 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"


#include "accessibility/extended/AccessibleBrowseBoxHeaderBar.hxx"
#include <svtools/accessibletableprovider.hxx>

// ============================================================================

using ::rtl::OUString;

using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Any;

using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using namespace ::svt;

// ============================================================================

namespace accessibility {

// ============================================================================

// Ctor/Dtor/disposing --------------------------------------------------------

DBG_NAME( AccessibleBrowseBoxHeaderBar )

AccessibleBrowseBoxHeaderBar::AccessibleBrowseBoxHeaderBar(
		const Reference< XAccessible >& rxParent,
		IAccessibleTableProvider& rBrowseBox,
		AccessibleBrowseBoxObjType eObjType ) :
	AccessibleBrowseBoxTableBase( rxParent, rBrowseBox,eObjType )
{
	DBG_CTOR( AccessibleBrowseBoxHeaderBar, NULL );

	DBG_ASSERT( isRowBar() || isColumnBar(),
		"accessibility/extended/AccessibleBrowseBoxHeaderBar - invalid object type" );
}

AccessibleBrowseBoxHeaderBar::~AccessibleBrowseBoxHeaderBar()
{
	DBG_DTOR( AccessibleBrowseBoxHeaderBar, NULL );
}

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

Reference< XAccessible > SAL_CALL
AccessibleBrowseBoxHeaderBar::getAccessibleChild( sal_Int32 nChildIndex )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	ensureIsValidHeaderIndex( nChildIndex );
	return implGetChild( nChildIndex, implToVCLColumnPos( nChildIndex ) );
}

sal_Int32 SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleIndexInParent()
	throw ( uno::RuntimeException )
{
	return isRowBar() ? BBINDEX_ROWHEADERBAR : BBINDEX_COLUMNHEADERBAR;
}

// XAccessibleComponent -------------------------------------------------------

Reference< XAccessible > SAL_CALL
AccessibleBrowseBoxHeaderBar::getAccessibleAtPoint( const awt::Point& rPoint )
	throw ( uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();

	sal_Int32 nRow = 0;
	sal_uInt16 nColumnPos = 0;
	sal_Bool bConverted = isRowBar() ?
		mpBrowseBox->ConvertPointToRowHeader( nRow, VCLPoint( rPoint ) ) :
		mpBrowseBox->ConvertPointToColumnHeader( nColumnPos, VCLPoint( rPoint ) );

	return bConverted ? implGetChild( nRow, nColumnPos ) : Reference< XAccessible >();
}

void SAL_CALL AccessibleBrowseBoxHeaderBar::grabFocus()
	throw ( uno::RuntimeException )
{
	ensureIsAlive();
	// focus on header not supported
}

Any SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleKeyBinding()
	throw ( uno::RuntimeException )
{
	ensureIsAlive();
	return Any(); // no special key bindings for header
}

// XAccessibleTable -----------------------------------------------------------

OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleRowDescription( sal_Int32 nRow )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	ensureIsValidRow( nRow );
	return OUString(); // no headers in headers
}

OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleColumnDescription( sal_Int32 nColumn )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	ensureIsValidColumn( nColumn );
	return OUString(); // no headers in headers
}

Reference< XAccessibleTable > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleRowHeaders()
	throw ( uno::RuntimeException )
{
	ensureIsAlive();
	return NULL; // no headers in headers
}

Reference< XAccessibleTable > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleColumnHeaders()
	throw ( uno::RuntimeException )
{
	ensureIsAlive();
	return NULL; // no headers in headers
}

Sequence< sal_Int32 > SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleRows()
	throw ( uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();

	Sequence< sal_Int32 > aSelSeq;
	// row of column header bar not selectable
	if( isRowBar() )
		implGetSelectedRows( aSelSeq );
	return aSelSeq;
}

Sequence< sal_Int32 > SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleColumns()
	throw ( uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();

	Sequence< sal_Int32 > aSelSeq;
	// column of row header bar ("handle column") not selectable
	if( isColumnBar() )
		implGetSelectedColumns( aSelSeq );
	return aSelSeq;
}

sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleRowSelected( sal_Int32 nRow )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	ensureIsValidRow( nRow );
	return isRowBar() ? implIsRowSelected( nRow ) : sal_False;
}

sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleColumnSelected( sal_Int32 nColumn )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	ensureIsValidColumn( nColumn );
	return isColumnBar() ? implIsColumnSelected( nColumn ) : sal_False;
}

Reference< XAccessible > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleCellAt(
		sal_Int32 nRow, sal_Int32 nColumn )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	ensureIsValidAddress( nRow, nColumn );
	return implGetChild( nRow, implToVCLColumnPos( nColumn ) );
}

sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleSelected(
		sal_Int32 nRow, sal_Int32 nColumn )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	ensureIsValidAddress( nRow, nColumn );
	return isRowBar() ? implIsRowSelected( nRow ) : implIsColumnSelected( nColumn );
}

// XAccessibleSelection -------------------------------------------------------

void SAL_CALL AccessibleBrowseBoxHeaderBar::selectAccessibleChild( sal_Int32 nChildIndex )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	ensureIsValidHeaderIndex( nChildIndex );
	if( isRowBar() )
		implSelectRow( nChildIndex, sal_True );
	else
		implSelectColumn( implToVCLColumnPos( nChildIndex ), sal_True );
}

sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleChildSelected( sal_Int32 nChildIndex )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	// using interface methods - no mutex
	return isRowBar() ?
		isAccessibleRowSelected( nChildIndex ) :
		isAccessibleColumnSelected( nChildIndex );
}

void SAL_CALL AccessibleBrowseBoxHeaderBar::clearAccessibleSelection()
	throw ( uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	mpBrowseBox->SetNoSelection();
}

void SAL_CALL AccessibleBrowseBoxHeaderBar::selectAllAccessibleChildren()
	throw ( uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	// no multiselection of columns possible
	if( isRowBar() )
		mpBrowseBox->SelectAll();
	else
		implSelectColumn( implToVCLColumnPos( 0 ), sal_True );
}

sal_Int32 SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleChildCount()
	throw ( uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();
	return isRowBar() ? implGetSelectedRowCount() : implGetSelectedColumnCount();
}

Reference< XAccessible > SAL_CALL
AccessibleBrowseBoxHeaderBar::getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();

	// method may throw lang::IndexOutOfBoundsException
	sal_Int32 nIndex = implGetChildIndexFromSelectedIndex( nSelectedChildIndex );
	return implGetChild( nIndex, implToVCLColumnPos( nIndex ) );
}

void SAL_CALL AccessibleBrowseBoxHeaderBar::deselectAccessibleChild(
		sal_Int32 nSelectedChildIndex )
	throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
	BBSolarGuard aSolarGuard;
	::osl::MutexGuard aGuard( getOslMutex() );
	ensureIsAlive();

	// method may throw lang::IndexOutOfBoundsException
	if ( isAccessibleChildSelected(nSelectedChildIndex) )
	{
		if( isRowBar() )
			implSelectRow( nSelectedChildIndex, sal_False );
		else
			implSelectColumn( implToVCLColumnPos( nSelectedChildIndex ), sal_False );
	}
}

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

Any SAL_CALL AccessibleBrowseBoxHeaderBar::queryInterface( const uno::Type& rType )
	throw ( uno::RuntimeException )
{
	Any aAny( AccessibleBrowseBoxTableBase::queryInterface( rType ) );
	return aAny.hasValue() ?
		aAny : AccessibleBrowseBoxHeaderBarImplHelper::queryInterface( rType );
}

void SAL_CALL AccessibleBrowseBoxHeaderBar::acquire() throw ()
{
	AccessibleBrowseBoxTableBase::acquire();
}

void SAL_CALL AccessibleBrowseBoxHeaderBar::release() throw ()
{
	AccessibleBrowseBoxTableBase::release();
}

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

OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getImplementationName()
	throw ( uno::RuntimeException )
{
	return OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.comp.svtools.AccessibleBrowseBoxHeaderBar" ) );
}

Sequence< sal_Int8 > SAL_CALL AccessibleBrowseBoxHeaderBar::getImplementationId()
	throw ( uno::RuntimeException )
{
	::osl::MutexGuard aGuard( getOslGlobalMutex() );
	static Sequence< sal_Int8 > aId;
	implCreateUuid( aId );
	return aId;
}

// internal virtual methods ---------------------------------------------------

Rectangle AccessibleBrowseBoxHeaderBar::implGetBoundingBox()
{
	return mpBrowseBox->calcHeaderRect(isColumnBar(),sal_False);
}

Rectangle AccessibleBrowseBoxHeaderBar::implGetBoundingBoxOnScreen()
{
	return mpBrowseBox->calcHeaderRect(isColumnBar(),sal_True);
}

sal_Int32 AccessibleBrowseBoxHeaderBar::implGetRowCount() const
{
	// column header bar: only 1 row
	return isRowBar() ? AccessibleBrowseBoxTableBase::implGetRowCount() : 1;
}

sal_Int32 AccessibleBrowseBoxHeaderBar::implGetColumnCount() const
{
	// row header bar ("handle column"): only 1 column
	return isColumnBar() ? AccessibleBrowseBoxTableBase::implGetColumnCount() : 1;
}

// internal helper methods ----------------------------------------------------

Reference< XAccessible > AccessibleBrowseBoxHeaderBar::implGetChild(
		sal_Int32 nRow, sal_uInt16 nColumnPos )
{
	return isRowBar() ?
		mpBrowseBox->CreateAccessibleRowHeader( nRow ) :
		mpBrowseBox->CreateAccessibleColumnHeader( nColumnPos );
}

sal_Int32 AccessibleBrowseBoxHeaderBar::implGetChildIndexFromSelectedIndex(
		sal_Int32 nSelectedChildIndex )
	throw ( lang::IndexOutOfBoundsException )
{
	Sequence< sal_Int32 > aSelSeq;
	if( isRowBar() )
		implGetSelectedRows( aSelSeq );
	else
		implGetSelectedColumns( aSelSeq );

	if( (nSelectedChildIndex < 0) || (nSelectedChildIndex >= aSelSeq.getLength()) )
		throw lang::IndexOutOfBoundsException();

	return aSelSeq[ nSelectedChildIndex ];
}

void AccessibleBrowseBoxHeaderBar::ensureIsValidHeaderIndex( sal_Int32 nIndex )
	throw ( lang::IndexOutOfBoundsException )
{
	if( isRowBar() )
		ensureIsValidRow( nIndex );
	else
		ensureIsValidColumn( nIndex );
}

// ============================================================================
} // namespace accessibility
// ============================================================================