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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef ACCESSIBILITY_EXT_ACCESSIBLEGRIDCONTROL_HXX
#define ACCESSIBILITY_EXT_ACCESSIBLEGRIDCONTROL_HXX
#include <accessibility/extended/AccessibleGridControlBase.hxx>
#include <accessibility/extended/AccessibleGridControlTable.hxx>
#include <cppuhelper/weakref.hxx>
#include <svtools/accessibletable.hxx>
#include <memory>
using namespace ::svt::table;
// ============================================================================
namespace accessibility {
class AccessibleGridControl_Impl;
// ============================================================================
/** This class represents the complete accessible Grid Control object. */
class AccessibleGridControl : public AccessibleGridControlBase
{
friend class AccessibleGridControlAccess;
protected:
AccessibleGridControl(
const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& _rxParent,
const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& _rxCreator,
::svt::table::IAccessibleTable& _rTable
);
virtual ~AccessibleGridControl();
/** Cleans up members. */
using AccessibleGridControlBase::disposing;
virtual void SAL_CALL disposing();
protected:
// XAccessibleContext -----------------------------------------------------
/** @return The count of visible children. */
virtual sal_Int32 SAL_CALL getAccessibleChildCount()
throw ( ::com::sun::star::uno::RuntimeException );
/** @return The XAccessible interface of the specified child. */
virtual ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible > SAL_CALL
getAccessibleChild( sal_Int32 nChildIndex )
throw ( ::com::sun::star::lang::IndexOutOfBoundsException,
::com::sun::star::uno::RuntimeException );
/** @return The role of this object (a table). */
virtual sal_Int16 SAL_CALL getAccessibleRole()
throw ( ::com::sun::star::uno::RuntimeException );
// XAccessibleComponent ---------------------------------------------------
/** @return
The accessible child rendered under the given point.
*/
virtual ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible > SAL_CALL
getAccessibleAtPoint( const ::com::sun::star::awt::Point& rPoint )
throw ( ::com::sun::star::uno::RuntimeException );
/** Grabs the focus to the Grid Control. */
virtual void SAL_CALL grabFocus()
throw ( ::com::sun::star::uno::RuntimeException );
/** @return The key bindings associated with this object. */
virtual ::com::sun::star::uno::Any SAL_CALL getAccessibleKeyBinding()
throw ( ::com::sun::star::uno::RuntimeException );
// XServiceInfo -----------------------------------------------------------
/** @return
The name of this class.
*/
virtual OUString SAL_CALL getImplementationName()
throw ( ::com::sun::star::uno::RuntimeException );
public:
// helper functions
/** commitCellEvent commit the event at all listeners of the table
@param nEventId
the event id
@param rNewValue
the new value
@param rOldValue
the old value
*/
void commitCellEvent(sal_Int16 nEventId, const ::com::sun::star::uno::Any& rNewValue,
const ::com::sun::star::uno::Any& rOldValue);
/** commitTableEvent commit the event at all listeners of the table
@param nEventId
the event id
@param rNewValue
the new value
@param rOldValue
the old value
*/
void commitTableEvent(sal_Int16 nEventId, const ::com::sun::star::uno::Any& rNewValue,
const ::com::sun::star::uno::Any& rOldValue);
/** returns the accessible object for the row or the column header bar
*/
inline ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible >
getHeaderBar( ::svt::table::AccessibleTableControlObjType _eObjType )
{
return implGetHeaderBar(_eObjType);
}
/** returns the accessible object for the table representation
*/
inline ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible >
getTable( )
{
return implGetTable();
}
protected:
// internal virtual methods -----------------------------------------------
/** @attention This method requires locked mutex's and a living object.
@return The bounding box (VCL rect.) relative to the parent window. */
virtual Rectangle implGetBoundingBox();
/** @attention This method requires locked mutex's and a living object.
@return The bounding box (VCL rect.) in screen coordinates. */
virtual Rectangle implGetBoundingBoxOnScreen();
// internal helper methods ------------------------------------------------
/** This method creates (once) and returns the accessible data table child.
@attention This method requires locked mutex's and a living object.
@return The XAccessible interface of the data table. */
virtual ::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible > implGetTable();
/** This method creates (once) and returns the specified header bar.
@attention This method requires locked mutex's and a living object.
@return The XAccessible interface of the header bar. */
::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible >
implGetHeaderBar( ::svt::table::AccessibleTableControlObjType eObjType );
/** This method returns one of the children that are always present:
Data table, row and column header bar or corner control.
@attention This method requires locked mutex's and a living object.
@return The XAccessible interface of the specified child. */
::com::sun::star::uno::Reference<
::com::sun::star::accessibility::XAccessible >
implGetFixedChild( sal_Int32 nChildIndex );
/** This method creates and returns an accessible table.
@return An AccessibleGridControlTable. */
virtual AccessibleGridControlTable* createAccessibleTable();
private:
// members ----------------------------------------------------------------
::std::auto_ptr< AccessibleGridControl_Impl > m_pImpl;
};
// ============================================================================
/** the XAccessible which creates/returns an AccessibleGridControl
<p>The instance holds it's XAccessibleContext with a hard reference, while
the contxt holds this instance weak.</p>
*/
typedef ::cppu::WeakImplHelper1 < ::com::sun::star::accessibility::XAccessible > AccessibleGridControlAccess_Base;
class AccessibleGridControlAccess :public AccessibleGridControlAccess_Base
,public ::svt::table::IAccessibleTableControl
{
private:
::osl::Mutex m_aMutex;
::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
m_xParent;
::svt::table::IAccessibleTable& m_rTable;
::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
m_xContext;
AccessibleGridControl* m_pContext;
// note that this pointer is valid as long as m_xContext is valid!
public:
AccessibleGridControlAccess(
const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& _rxParent,
::svt::table::IAccessibleTable& _rTable
);
/// checks whether the accessible context is still alive
bool isContextAlive() const;
/// returns the AccessibleContext belonging to this Accessible
inline AccessibleGridControl* getContext() { return m_pContext; }
inline const AccessibleGridControl* getContext() const { return m_pContext; }
protected:
virtual ~AccessibleGridControlAccess();
// XAccessible
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext >
SAL_CALL getAccessibleContext() throw ( ::com::sun::star::uno::RuntimeException );
// IAccessibleTable
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
getMyself()
{
return this;
}
void dispose();
virtual sal_Bool isAlive() const
{
return isContextAlive();
}
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
getTableHeader( ::svt::table::AccessibleTableControlObjType _eObjType )
{
::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > xAccessible;
AccessibleGridControl* pContext( getContext() );
if ( pContext )
xAccessible = pContext->getHeaderBar( _eObjType );
return xAccessible;
}
virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
getTable()
{
::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > xAccessible;
AccessibleGridControl* pContext( getContext() );
if ( pContext )
xAccessible = pContext->getTable();
return xAccessible;
}
virtual void commitCellEvent( sal_Int16 nEventId,
const ::com::sun::star::uno::Any& rNewValue, const ::com::sun::star::uno::Any& rOldValue )
{
AccessibleGridControl* pContext( getContext() );
if ( pContext )
pContext->commitCellEvent( nEventId, rNewValue, rOldValue );
}
virtual void commitTableEvent( sal_Int16 nEventId,
const ::com::sun::star::uno::Any& rNewValue, const ::com::sun::star::uno::Any& rOldValue )
{
AccessibleGridControl* pContext( getContext() );
if ( pContext )
pContext->commitTableEvent( nEventId, rNewValue, rOldValue );
}
virtual void commitEvent( sal_Int16 nEventId,
const ::com::sun::star::uno::Any& rNewValue, const ::com::sun::star::uno::Any& rOldValue )
{
AccessibleGridControl* pContext( getContext() );
if ( pContext )
pContext->commitEvent( nEventId, rNewValue, rOldValue );
}
private:
AccessibleGridControlAccess(); // never implemented
AccessibleGridControlAccess( const AccessibleGridControlAccess& ); // never implemented
AccessibleGridControlAccess& operator=( const AccessibleGridControlAccess& ); // never implemented
};
// ============================================================================
} // namespace accessibility
// ============================================================================
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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