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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 _TOOLKIT_AWT_VCLXACCESSIBLECOMPONENT_HXX_
#define _TOOLKIT_AWT_VCLXACCESSIBLECOMPONENT_HXX_

#include <toolkit/dllapi.h>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <com/sun/star/accessibility/XAccessibleExtendedComponent.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/compbase3.hxx>
#include <cppuhelper/implbase1.hxx>
#include <comphelper/accimplaccess.hxx>
#include <comphelper/accessiblecomponenthelper.hxx>

#include <tools/gen.hxx>	// Size
#include <tools/link.hxx>	// Size

class Window;
class VCLXWindow;
class VclSimpleEvent;
class VclWindowEvent;

namespace utl {
class AccessibleRelationSetHelper;
class AccessibleStateSetHelper;
}


//	----------------------------------------------------
//	class VCLXAccessibleComponent
//	----------------------------------------------------

typedef ::comphelper::OAccessibleExtendedComponentHelper	AccessibleExtendedComponentHelper_BASE;

typedef ::cppu::ImplHelper1< 
    ::com::sun::star::lang::XServiceInfo > VCLXAccessibleComponent_BASE;

class VCLExternalSolarLock;

class TOOLKIT_DLLPUBLIC VCLXAccessibleComponent
        :public AccessibleExtendedComponentHelper_BASE
        ,public ::comphelper::OAccessibleImplementationAccess
        ,public VCLXAccessibleComponent_BASE
{
private:
    ::com::sun::star::uno::Reference< ::com::sun::star::awt::XWindow> mxWindow;
    VCLXWindow* 						mpVCLXindow;

    ULONG							nDummy1;
    ULONG							nDummy2;
    void*							pDummy1;
    VCLExternalSolarLock*			m_pSolarLock;

protected:
     DECL_LINK( WindowEventListener, VclSimpleEvent* );
     DECL_LINK( WindowChildEventListener, VclSimpleEvent* );

    virtual void	ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent );
    virtual void	ProcessWindowChildEvent( const VclWindowEvent& rVclWindowEvent );
    virtual void	FillAccessibleRelationSet( utl::AccessibleRelationSetHelper& rRelationSet );
    virtual void	FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet );

    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > GetChildAccessible( const VclWindowEvent& rVclWindowEvent );
    
public:
    VCLXAccessibleComponent( VCLXWindow* pVCLXindow );
    ~VCLXAccessibleComponent();

    VCLXWindow*    GetVCLXWindow() const { return mpVCLXindow; }
    Window* 	   GetWindow() const;

    virtual void SAL_CALL disposing();

    // ::com::sun::star::uno::XInterface
    DECLARE_XINTERFACE()
    // ::com::sun::star::lang::XTypeProvider
    DECLARE_XTYPEPROVIDER()

    // XServiceInfo
    virtual ::rtl::OUString SAL_CALL getImplementationName() throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& rServiceName ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames() throw (::com::sun::star::uno::RuntimeException);

    // ::com::sun::star::accessibility::XAccessibleContext
    sal_Int32 SAL_CALL getAccessibleChildCount(  ) throw (::com::sun::star::uno::RuntimeException);
    ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
    ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleParent(	) throw (::com::sun::star::uno::RuntimeException);
    sal_Int32 SAL_CALL getAccessibleIndexInParent(	) throw (::com::sun::star::uno::RuntimeException);
    sal_Int16 SAL_CALL getAccessibleRole(  ) throw (::com::sun::star::uno::RuntimeException);
    ::rtl::OUString SAL_CALL getAccessibleDescription(	) throw (::com::sun::star::uno::RuntimeException);
    ::rtl::OUString SAL_CALL getAccessibleName(  ) throw (::com::sun::star::uno::RuntimeException);
    ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet(	) throw (::com::sun::star::uno::RuntimeException);
    ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet(  ) throw (::com::sun::star::uno::RuntimeException);
    ::com::sun::star::lang::Locale SAL_CALL getLocale(	) throw (::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException);

    // ::com::sun::star::accessibility::XAccessibleComponent
    ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException);
    ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen(	) throw (::com::sun::star::uno::RuntimeException);
    void SAL_CALL grabFocus(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getForeground(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getBackground(  ) throw (::com::sun::star::uno::RuntimeException);

    // ::com::sun::star::accessibility::XAccessibleExtendedComponent
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::awt::XFont > SAL_CALL getFont(	) throw (::com::sun::star::uno::RuntimeException);
    virtual ::rtl::OUString SAL_CALL getTitledBorderText(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual ::rtl::OUString SAL_CALL getToolTipText(  ) throw (::com::sun::star::uno::RuntimeException);

protected:
    // base class overridables
    ::com::sun::star::awt::Rectangle SAL_CALL implGetBounds(  ) throw (::com::sun::star::uno::RuntimeException);

private:
    /**	we may be reparented (if external components use OAccessibleImplementationAccess base class),
        so this method here returns the parent in the VCL world, in opposite to the parent
        an external component gave us
    @precond
        the caller must ensure thread safety, i.e. our mutex must be locked
    */
    ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >
            getVclParent() const;
};

/* ----------------------------------------------------------
  Accessibility only for the Window hierarchy!
  Maybe derived classes must overwrite these Accessibility interfaces:

    // XAccessibleContext:
    sal_Int16 getAccessibleRole() => VCL Window::GetAccessibleRole()
    OUString getAccessibleDescription() => VCL Window::GetAccessibleDescription
    OUString getAccessibleName() => VCL Window::GetAccessibleText() => Most windows return Window::GetText()
    Reference< XAccessibleRelationSet > getAccessibleRelationSet()
    Reference< XAccessibleStateSet > getAccessibleStateSet() => overload FillAccessibleStateSet( ... )

---------------------------------------------------------- */


#endif // _TOOLKIT_AWT_VCLXACCESSIBLECOMPONENT_HXX_

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */