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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#pragma once
#include <extended/AccessibleGridControlBase.hxx>
#include <extended/AccessibleGridControlTable.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/weakref.hxx>
#include <rtl/ref.hxx>
#include <vcl/accessibletable.hxx>
namespace accessibility {
class AccessibleGridControlHeader;
/** This class represents the complete accessible Grid Control object. */
class AccessibleGridControl final : public AccessibleGridControlBase
{
friend class AccessibleGridControlAccess;
AccessibleGridControl(
const css::uno::Reference< css::accessibility::XAccessible >& _rxParent,
const css::uno::Reference< css::accessibility::XAccessible >& _rxCreator,
::vcl::table::IAccessibleTable& _rTable
);
virtual ~AccessibleGridControl() override = default;
/** Cleans up members. */
using AccessibleGridControlBase::disposing;
virtual void SAL_CALL disposing() override;
// XAccessibleContext -----------------------------------------------------
/** @return The count of visible children. */
virtual sal_Int32 SAL_CALL getAccessibleChildCount() override;
/** @return The XAccessible interface of the specified child. */
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
getAccessibleChild( sal_Int32 nChildIndex ) override;
/** @return The role of this object (a table). */
virtual sal_Int16 SAL_CALL getAccessibleRole() override;
// XAccessibleComponent ---------------------------------------------------
/** @return
The accessible child rendered under the given point.
*/
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
getAccessibleAtPoint( const css::awt::Point& rPoint ) override;
/** Grabs the focus to the Grid Control. */
virtual void SAL_CALL grabFocus() override;
// XServiceInfo -----------------------------------------------------------
/** @return
The name of this class.
*/
virtual OUString SAL_CALL getImplementationName() override;
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 css::uno::Any& rNewValue,
const css::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 css::uno::Any& rNewValue,
const css::uno::Any& rOldValue);
private:
// 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 tools::Rectangle implGetBoundingBox() override;
/** @attention This method requires locked mutex's and a living object.
@return The bounding box (VCL rect.) in screen coordinates. */
virtual tools::Rectangle implGetBoundingBoxOnScreen() override;
// 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. */
css::uno::Reference< css::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. */
css::uno::Reference< css::accessibility::XAccessible >
implGetHeaderBar( ::vcl::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. */
css::uno::Reference< css::accessibility::XAccessible >
implGetFixedChild( sal_Int32 nChildIndex );
/** This method creates and returns an accessible table.
@return An AccessibleGridControlTable. */
AccessibleGridControlTable* createAccessibleTable();
/// the css::accessibility::XAccessible which created the AccessibleGridControl
css::uno::WeakReference< css::accessibility::XAccessible > m_aCreator;
/** The data table child. */
rtl::Reference<AccessibleGridControlTable> m_xTable;
/** The header bar for rows. */
rtl::Reference<AccessibleGridControlHeader> m_xRowHeaderBar;
/** The header bar for columns (first row of the table). */
rtl::Reference<AccessibleGridControlHeader> m_xColumnHeaderBar;
/** The table cell child. */
rtl::Reference<AccessibleGridControlTableCell> m_xCell;
};
/** the XAccessible which creates/returns an AccessibleGridControl
<p>The instance holds its XAccessibleContext with a hard reference, while
the context holds this instance weak.</p>
*/
class AccessibleGridControlAccess :
public ::cppu::WeakImplHelper< css::accessibility::XAccessible >
,public ::vcl::table::IAccessibleTableControl
{
private:
css::uno::Reference< css::accessibility::XAccessible > m_xParent;
::vcl::table::IAccessibleTable * m_pTable;
rtl::Reference<AccessibleGridControl> m_xContext;
public:
AccessibleGridControlAccess(
const css::uno::Reference< css::accessibility::XAccessible >& _rxParent,
::vcl::table::IAccessibleTable& _rTable
);
/// returns the AccessibleContext belonging to this Accessible
AccessibleGridControl* getContext() { return m_xContext.get(); }
protected:
virtual ~AccessibleGridControlAccess() override;
// XAccessible
virtual css::uno::Reference< css::accessibility::XAccessibleContext >
SAL_CALL getAccessibleContext() override;
// IAccessibleTable
virtual css::uno::Reference< css::accessibility::XAccessible >
getMyself() override
{
return this;
}
void DisposeAccessImpl() override;
virtual bool isAlive() const override
{
return m_xContext.is() && m_xContext->isAlive();
}
virtual void commitCellEvent( sal_Int16 nEventId,
const css::uno::Any& rNewValue, const css::uno::Any& rOldValue ) override
{
AccessibleGridControl* pContext( getContext() );
if ( pContext )
pContext->commitCellEvent( nEventId, rNewValue, rOldValue );
}
virtual void commitTableEvent( sal_Int16 nEventId,
const css::uno::Any& rNewValue, const css::uno::Any& rOldValue ) override
{
AccessibleGridControl* pContext( getContext() );
if ( pContext )
pContext->commitTableEvent( nEventId, rNewValue, rOldValue );
}
virtual void commitEvent( sal_Int16 nEventId,
const css::uno::Any& rNewValue ) override
{
AccessibleGridControl* pContext( getContext() );
if ( pContext )
pContext->commitEvent( nEventId, rNewValue, css::uno::Any() );
}
private:
AccessibleGridControlAccess( const AccessibleGridControlAccess& ) = delete;
AccessibleGridControlAccess& operator=( const AccessibleGridControlAccess& ) = delete;
};
} // namespace accessibility
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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