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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/AccessibleBrowseBoxBase.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/weakref.hxx>
#include <vcl/accessibletableprovider.hxx>
namespace accessibility {
class AccessibleBrowseBoxHeaderBar;
class AccessibleBrowseBoxTable;
/** This class represents the complete accessible BrowseBox object. */
class AccessibleBrowseBox : public AccessibleBrowseBoxBase
{
friend class AccessibleBrowseBoxAccess;
protected:
AccessibleBrowseBox(
const css::uno::Reference< css::accessibility::XAccessible >& _rxParent,
const css::uno::Reference< css::accessibility::XAccessible >& _rxCreator,
::vcl::IAccessibleTableProvider& _rBrowseBox
);
virtual ~AccessibleBrowseBox() override;
/** sets the XAccessible which created the context
To be called only once, and only if in the ctor NULL was passed.
*/
void setCreator(
const css::uno::Reference< css::accessibility::XAccessible >& _rxCreator
);
/** Cleans up members. */
using AccessibleBrowseBoxBase::disposing;
virtual void SAL_CALL disposing() override;
protected:
// 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;
// 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 BrowseBox. */
virtual void SAL_CALL grabFocus() override;
// XServiceInfo
/** @return
The name of this class.
*/
virtual OUString SAL_CALL getImplementationName() override;
public:
// helper functions
/** commitHeaderBarEvent commit the event at all listeners of the column/row header bar
@param nEventId
the event id
@param rNewValue
the new value
@param rOldValue
the old value
@param _bColumnHeaderBar
true if a column based header bar, false if a row based header bar
*/
void commitHeaderBarEvent(sal_Int16 nEventId,
const css::uno::Any& rNewValue,
const css::uno::Any& rOldValue, bool _bColumnHeaderBar);
// helper functions
/** 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);
/** returns the accessible object for the row or the column header bar
*/
css::uno::Reference<
css::accessibility::XAccessible >
getHeaderBar( ::vcl::AccessibleBrowseBoxObjType _eObjType )
{
return implGetHeaderBar(_eObjType);
}
/** returns the accessible object for the table representation
*/
css::uno::Reference<
css::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 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::AccessibleBrowseBoxObjType 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 AccessibleBrowseBoxTable. */
virtual AccessibleBrowseBoxTable* createAccessibleTable();
private:
/// the css::accessibility::XAccessible which created the AccessibleBrowseBox
css::uno::WeakReference< css::accessibility::XAccessible > m_aCreator;
/** The data table child. */
rtl::Reference<AccessibleBrowseBoxTable> mxTable;
/** The header bar for rows ("handle column"). */
rtl::Reference<AccessibleBrowseBoxHeaderBar> mxRowHeaderBar;
/** The header bar for columns (first row of the table). */
rtl::Reference<AccessibleBrowseBoxHeaderBar> mxColumnHeaderBar;
};
/** the XAccessible which creates/returns an AccessibleBrowseBox
The instance holds its XAccessibleContext with a hard reference, while
the context holds this instance weak.
*/
class AccessibleBrowseBoxAccess:
public cppu::WeakImplHelper<css::accessibility::XAccessible>,
public ::vcl::IAccessibleBrowseBox
{
private:
::osl::Mutex m_aMutex;
css::uno::Reference< css::accessibility::XAccessible >
m_xParent;
::vcl::IAccessibleTableProvider& m_rBrowseBox;
rtl::Reference<AccessibleBrowseBox> m_xContext;
public:
AccessibleBrowseBoxAccess(
const css::uno::Reference< css::accessibility::XAccessible >& _rxParent,
::vcl::IAccessibleTableProvider& _rBrowseBox
);
/// returns the AccessibleContext belonging to this Accessible
AccessibleBrowseBox* getContext() { return m_xContext.get(); }
protected:
virtual ~AccessibleBrowseBoxAccess() override;
// XAccessible
virtual css::uno::Reference< css::accessibility::XAccessibleContext >
SAL_CALL getAccessibleContext() override;
// IAccessibleBrowseBox
virtual css::uno::Reference< css::accessibility::XAccessible >
getMyself() override
{
return this;
}
void dispose() override;
virtual bool isAlive() const override
{
return m_xContext.is() && m_xContext->isAlive();
}
virtual css::uno::Reference< css::accessibility::XAccessible >
getHeaderBar( ::vcl::AccessibleBrowseBoxObjType _eObjType ) override
{
css::uno::Reference< css::accessibility::XAccessible > xAccessible;
AccessibleBrowseBox* pContext( getContext() );
if ( pContext )
xAccessible = pContext->getHeaderBar( _eObjType );
return xAccessible;
}
virtual css::uno::Reference< css::accessibility::XAccessible >
getTable() override
{
css::uno::Reference< css::accessibility::XAccessible > xAccessible;
AccessibleBrowseBox* pContext( getContext() );
if ( pContext )
xAccessible = pContext->getTable();
return xAccessible;
}
virtual void commitHeaderBarEvent( sal_Int16 nEventId, const css::uno::Any& rNewValue,
const css::uno::Any& rOldValue, bool _bColumnHeaderBar ) override
{
AccessibleBrowseBox* pContext( getContext() );
if ( pContext )
pContext->commitHeaderBarEvent( nEventId, rNewValue, rOldValue, _bColumnHeaderBar );
}
virtual void commitTableEvent( sal_Int16 nEventId,
const css::uno::Any& rNewValue, const css::uno::Any& rOldValue ) override
{
AccessibleBrowseBox* pContext( getContext() );
if ( pContext )
pContext->commitTableEvent( nEventId, rNewValue, rOldValue );
}
virtual void commitEvent( sal_Int16 nEventId,
const css::uno::Any& rNewValue, const css::uno::Any& rOldValue ) override
{
AccessibleBrowseBox* pContext( getContext() );
if ( pContext )
pContext->commitEvent( nEventId, rNewValue, rOldValue );
}
private:
AccessibleBrowseBoxAccess( const AccessibleBrowseBoxAccess& ) = delete;
AccessibleBrowseBoxAccess& operator=( const AccessibleBrowseBoxAccess& ) = delete;
};
} // namespace accessibility
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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