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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 .
*/
#ifndef INCLUDED_TOOLKIT_CONTROLS_ACCESSIBLECONTROLCONTEXT_HXX
#define INCLUDED_TOOLKIT_CONTROLS_ACCESSIBLECONTROLCONTEXT_HXX
#include <comphelper/accessiblecomponenthelper.hxx>
#include <comphelper/accimplaccess.hxx>
#include <comphelper/uno3.hxx>
#include <com/sun/star/lang/XEventListener.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <vcl/vclptr.hxx>
namespace vcl { class Window; }
namespace toolkit
{
//= OAccessibleControlContext
typedef ::comphelper::OAccessibleComponentHelper OAccessibleControlContext_Base;
typedef ::cppu::ImplHelper1 < css::lang::XEventListener
> OAccessibleControlContext_IBase;
/** class implementing the AccessibleContext for an UNO control - to be used in design mode of the control.
<p><b>life time control<b/><br/>
This control should be held weak by the creator (an UNO control), it itself holds a hard reference to the
control model, and a weak reference to the control. The reference to the model is freed when the model
is being disposed.</p>
*/
class OAccessibleControlContext
:public ::comphelper::OAccessibleImplementationAccess
,public OAccessibleControlContext_Base
,public OAccessibleControlContext_IBase
{
private:
css::uno::Reference< css::beans::XPropertySet >
m_xControlModel; // the model of the control which's context we implement
css::uno::Reference< css::beans::XPropertySetInfo >
m_xModelPropsInfo; // the cached property set info of the model
protected:
/// ctor. @see Init
OAccessibleControlContext();
virtual ~OAccessibleControlContext();
/** late ctor
*/
void Init(
const css::uno::Reference< css::accessibility::XAccessible >& _rxCreator
);
// OCommonAccessibleComponent overridables
virtual css::awt::Rectangle implGetBounds( ) throw (css::uno::RuntimeException) override;
public:
/** creates an accessible context for an uno control
@param _rxCreator
the uno control's XAccessible interface. This must be an XControl, from which an XControlModel
can be retrieved.
*/
static OAccessibleControlContext* create(
const css::uno::Reference< css::accessibility::XAccessible >& _rxCreator
);
protected:
// XInterface
DECLARE_XINTERFACE( )
DECLARE_XTYPEPROVIDER( )
// XAccessibleContext
virtual sal_Int32 SAL_CALL getAccessibleChildCount( ) throw (css::uno::RuntimeException, std::exception) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (css::lang::IndexOutOfBoundsException, css::uno::RuntimeException, std::exception) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) throw (css::uno::RuntimeException, std::exception) override;
virtual sal_Int16 SAL_CALL getAccessibleRole( ) throw (css::uno::RuntimeException, std::exception) override;
virtual OUString SAL_CALL getAccessibleDescription( ) throw (css::uno::RuntimeException, std::exception) override;
virtual OUString SAL_CALL getAccessibleName( ) throw (css::uno::RuntimeException, std::exception) override;
virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet( ) throw (css::uno::RuntimeException, std::exception) override;
virtual css::uno::Reference< css::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet( ) throw (css::uno::RuntimeException, std::exception) override;
// XAccessibleComponent
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& aPoint ) throw (css::uno::RuntimeException, std::exception) override;
virtual void SAL_CALL grabFocus( ) throw (css::uno::RuntimeException, std::exception) override;
virtual sal_Int32 SAL_CALL getForeground( ) throw (css::uno::RuntimeException, std::exception) override;
virtual sal_Int32 SAL_CALL getBackground( ) throw (css::uno::RuntimeException, std::exception) override;
// XEventListener
using comphelper::OAccessibleContextHelper::disposing;
virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) throw (css::uno::RuntimeException, std::exception) override;
private:
// retrieves the value of a string property from the model, if the property is present
OUString getModelStringProperty( const sal_Char* _pPropertyName );
// starts listening at the control model (currently for disposal only)
void startModelListening( );
// stops listening at the control model
void stopModelListening( );
VclPtr< vcl::Window > implGetWindow( css::uno::Reference< css::awt::XWindow >* _pxUNOWindow = nullptr ) const;
};
} // namespace toolkit
#endif // INCLUDED_TOOLKIT_CONTROLS_ACCESSIBLECONTROLCONTEXT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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