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path: root/sc/source/ui/inc/AccessibleEditObject.hxx
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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 _SC_ACCESSIBLEEDITOBJECT_HXX
#define _SC_ACCESSIBLEEDITOBJECT_HXX

#include "AccessibleContextBase.hxx"

namespace accessibility
{
    class AccessibleTextHelper;
}
class EditView;
class Window;

/** @descr
        This base class provides an implementation of the
        <code>AccessibleCell</code> service.
*/
class ScAccessibleEditObject
    :   public  ScAccessibleContextBase
{
public:
    enum EditObjectType
    {
        CellInEditMode,
        EditLine,
        EditControl
    };

    ScAccessibleEditObject(
        const ::com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessible>& rxParent,
        EditView* pEditView, Window* pWin, const rtl::OUString& rName,
        const rtl::OUString& rDescription, EditObjectType eObjectType);

protected:
    virtual ~ScAccessibleEditObject();

    using ScAccessibleContextBase::IsDefunc;

public:
    using ScAccessibleContextBase::disposing;

    virtual void SAL_CALL disposing();

    virtual void LostFocus();

    virtual void GotFocus();

    ///=====  XAccessibleComponent  ============================================

    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);

protected:
    /// Return the object's current bounding box relative to the desktop.
    virtual Rectangle GetBoundingBoxOnScreen(void) const
        throw (::com::sun::star::uno::RuntimeException);

    /// Return the object's current bounding box relative to the parent object.
    virtual Rectangle GetBoundingBox(void) const
        throw (::com::sun::star::uno::RuntimeException);

public:
    ///=====  XAccessibleContext  ==============================================

    /// Return the number of currently visible children.
    // is overloaded to calculate this on demand
    virtual sal_Int32 SAL_CALL
        getAccessibleChildCount(void)
                    throw (::com::sun::star::uno::RuntimeException);

    /// Return the specified child or NULL if index is invalid.
    // is overloaded to calculate this on demand
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible> SAL_CALL
        getAccessibleChild(sal_Int32 nIndex)
        throw (::com::sun::star::uno::RuntimeException,
                ::com::sun::star::lang::IndexOutOfBoundsException);

    /// Return the set of current states.
    virtual ::com::sun::star::uno::Reference<
            ::com::sun::star::accessibility::XAccessibleStateSet> SAL_CALL
        getAccessibleStateSet(void)
        throw (::com::sun::star::uno::RuntimeException);

protected:
    /// Return this object's description.
    virtual ::rtl::OUString SAL_CALL
        createAccessibleDescription(void)
        throw (::com::sun::star::uno::RuntimeException);

    /// Return the object's current name.
    virtual ::rtl::OUString SAL_CALL
        createAccessibleName(void)
        throw (::com::sun::star::uno::RuntimeException);

public:
    ///=====  XAccessibleEventBroadcaster  =====================================

    /** Add listener that is informed of future changes of name,
          description and so on events.
    */
    virtual void SAL_CALL
        addAccessibleEventListener(
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::accessibility::XAccessibleEventListener>& xListener)
        throw (com::sun::star::uno::RuntimeException);

    //  Remove an existing event listener.
    virtual void SAL_CALL
        removeAccessibleEventListener(
            const ::com::sun::star::uno::Reference<
                ::com::sun::star::accessibility::XAccessibleEventListener>& xListener)
        throw (com::sun::star::uno::RuntimeException);

    ///=====  XServiceInfo  ====================================================

    /** Returns an identifier for the implementation of this object.
    */
    virtual ::rtl::OUString SAL_CALL
        getImplementationName(void)
        throw (::com::sun::star::uno::RuntimeException);

    ///=====  XTypeProvider  ===================================================

    /** Returns a implementation id.
    */
    virtual ::com::sun::star::uno::Sequence<sal_Int8> SAL_CALL
        getImplementationId(void)
        throw (::com::sun::star::uno::RuntimeException);

private:
    accessibility::AccessibleTextHelper* mpTextHelper;
    EditView* mpEditView;
    Window* mpWindow;
    EditObjectType meObjectType;
    sal_Bool mbHasFocus;

    sal_Bool IsDefunc(
        const com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessibleStateSet>& rxParentStates);

    void CreateTextHelper();
};


#endif

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