/* -*- 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_SVX_SOURCE_INC_CHARMAPACC_HXX
#define INCLUDED_SVX_SOURCE_INC_CHARMAPACC_HXX

#include <comphelper/accessibleselectionhelper.hxx>
#include <com/sun/star/accessibility/XAccessibleAction.hpp>
#include <com/sun/star/accessibility/XAccessibleTable.hpp>
#include <cppuhelper/implbase.hxx>
#include <tools/gen.hxx>
#include <rtl/ref.hxx>

#include <vector>
class SvxShowCharSet;

namespace svx
{
class SvxShowCharSetAcc;

class SvxShowCharSetItemAcc;

// - SvxShowCharSetItem -

/** Simple struct to hold some information about the single items of the table. */
struct SvxShowCharSetItem
{
    SvxShowCharSet& mrParent;
    sal_uInt16 mnId;
    OUString maText;
    tools::Rectangle maRect;
    rtl::Reference<SvxShowCharSetItemAcc> m_xItem;
    SvxShowCharSetAcc* m_pParent;

    SvxShowCharSetItem(SvxShowCharSet& rParent, SvxShowCharSetAcc* _pParent, sal_uInt16 _nPos);
    ~SvxShowCharSetItem();

    const rtl::Reference<SvxShowCharSetItemAcc>& GetAccessible();
};

// - SvxShowCharSetAcc -

/** The table implementation of the vcl control. */

class SvxShowCharSetAcc final
    : public cppu::ImplInheritanceHelper<::comphelper::OAccessibleSelectionHelper,
                                         css::accessibility::XAccessibleTable>
{
    ::std::vector<rtl::Reference<SvxShowCharSetItemAcc>> m_aChildren;
    SvxShowCharSet* m_pParent; // the vcl control
    virtual void SAL_CALL disposing() override;

public:
    SvxShowCharSetAcc(SvxShowCharSet* pParent);

    // XAccessibleComponent
    virtual void SAL_CALL grabFocus() override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleAtPoint(const css::awt::Point& aPoint) override;

    // OAccessible
    // XAccessibleContext - still waiting to be overwritten
    virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleChild(sal_Int64 i) override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleParent() override;
    virtual sal_Int16 SAL_CALL getAccessibleRole() override;
    virtual OUString SAL_CALL getAccessibleDescription() override;
    virtual OUString SAL_CALL getAccessibleName() override;
    virtual css::uno::Reference<css::accessibility::XAccessibleRelationSet>
        SAL_CALL getAccessibleRelationSet() override;
    virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;

    virtual sal_Int32 SAL_CALL getForeground() override;
    virtual sal_Int32 SAL_CALL getBackground() override;

    // XAccessibleTable
    virtual sal_Int32 SAL_CALL getAccessibleRowCount() override;
    virtual sal_Int32 SAL_CALL getAccessibleColumnCount() override;
    virtual OUString SAL_CALL getAccessibleRowDescription(sal_Int32 nRow) override;
    virtual OUString SAL_CALL getAccessibleColumnDescription(sal_Int32 nColumn) override;
    virtual sal_Int32 SAL_CALL getAccessibleRowExtentAt(sal_Int32 nRow, sal_Int32 nColumn) override;
    virtual sal_Int32 SAL_CALL getAccessibleColumnExtentAt(sal_Int32 nRow,
                                                           sal_Int32 nColumn) override;
    virtual css::uno::Reference<css::accessibility::XAccessibleTable>
        SAL_CALL getAccessibleRowHeaders() override;
    virtual css::uno::Reference<css::accessibility::XAccessibleTable>
        SAL_CALL getAccessibleColumnHeaders() override;
    virtual css::uno::Sequence<sal_Int32> SAL_CALL getSelectedAccessibleRows() override;
    virtual css::uno::Sequence<sal_Int32> SAL_CALL getSelectedAccessibleColumns() override;
    virtual sal_Bool SAL_CALL isAccessibleRowSelected(sal_Int32 nRow) override;
    virtual sal_Bool SAL_CALL isAccessibleColumnSelected(sal_Int32 nColumn) override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleCellAt(sal_Int32 nRow, sal_Int32 nColumn) override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleCaption() override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleSummary() override;
    virtual sal_Bool SAL_CALL isAccessibleSelected(sal_Int32 nRow, sal_Int32 nColumn) override;
    virtual sal_Int64 SAL_CALL getAccessibleIndex(sal_Int32 nRow, sal_Int32 nColumn) override;
    virtual sal_Int32 SAL_CALL getAccessibleRow(sal_Int64 nChildIndex) override;
    virtual sal_Int32 SAL_CALL getAccessibleColumn(sal_Int64 nChildIndex) override;

    void fireEvent(const sal_Int16 _nEventId, const css::uno::Any& _rOldValue,
                   const css::uno::Any& _rNewValue)
    {
        NotifyAccessibleEvent(_nEventId, _rOldValue, _rNewValue);
    }

    void clearCharSetControl() { m_pParent = nullptr; }

private:
    virtual ~SvxShowCharSetAcc() override;

    // OCommonAccessibleSelection
    // return if the specified child is visible => watch for special ChildIndexes (ACCESSIBLE_SELECTION_CHILD_xxx)
    virtual bool implIsSelected(sal_Int64 nAccessibleChildIndex) override;

    // select the specified child => watch for special ChildIndexes (ACCESSIBLE_SELECTION_CHILD_xxx)
    virtual void implSelect(sal_Int64 nAccessibleChildIndex, bool bSelect) override;

    // OAccessible
    /// implements the calculation of the bounding rectangle - still waiting to be overwritten
    virtual css::awt::Rectangle implGetBounds() override;
};

// - SvxShowCharSetItemAcc -

/** The child implementation of the table. */
class SvxShowCharSetItemAcc final
    : public cppu::ImplInheritanceHelper<::comphelper::OAccessible,
                                         css::accessibility::XAccessibleAction>
{
private:
    SvxShowCharSetItem* mpParent;

    virtual ~SvxShowCharSetItemAcc() override;

    // OAccessible
    /// implements the calculation of the bounding rectangle - still waiting to be overwritten
    virtual css::awt::Rectangle implGetBounds() override;

public:
    SvxShowCharSetItemAcc(SvxShowCharSetItem* pParent);

    void ParentDestroyed();

    // XAccessibleComponent
    virtual void SAL_CALL grabFocus() override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleAtPoint(const css::awt::Point& aPoint) override;

    // OAccessible
    // XAccessibleContext - still waiting to be overwritten
    virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleChild(sal_Int64 i) override;
    virtual css::uno::Reference<css::accessibility::XAccessible>
        SAL_CALL getAccessibleParent() override;
    virtual sal_Int16 SAL_CALL getAccessibleRole() override;
    virtual OUString SAL_CALL getAccessibleDescription() override;
    virtual OUString SAL_CALL getAccessibleName() override;
    virtual css::uno::Reference<css::accessibility::XAccessibleRelationSet>
        SAL_CALL getAccessibleRelationSet() override;
    virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;

    virtual sal_Int32 SAL_CALL getForeground() override
    {
        return mpParent->m_pParent->getForeground();
    }
    virtual sal_Int32 SAL_CALL getBackground() override
    {
        return mpParent->m_pParent->getBackground();
    }

    // XAccessibleAction
    virtual sal_Int32 SAL_CALL getAccessibleActionCount() override;
    virtual sal_Bool SAL_CALL doAccessibleAction(sal_Int32 nIndex) override;
    virtual OUString SAL_CALL getAccessibleActionDescription(sal_Int32 nIndex) override;
    virtual css::uno::Reference<css::accessibility::XAccessibleKeyBinding>
        SAL_CALL getAccessibleActionKeyBinding(sal_Int32 nIndex) override;

    void fireEvent(const sal_Int16 _nEventId, const css::uno::Any& _rOldValue,
                   const css::uno::Any& _rNewValue)
    {
        NotifyAccessibleEvent(_nEventId, _rOldValue, _rNewValue);
    }
};
}

#endif // INCLUDED_SVX_SOURCE_INC_CHARMAPACC_HXX

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