AccObject.cxx

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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 .
 */
 
#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/XAccessibleValue.hpp>
#include <com/sun/star/accessibility/XAccessibleComponent.hpp>
#include <com/sun/star/accessibility/XAccessibleText.hpp>
 
#include <o3tl/char16_t2wchar_t.hxx>
#include <o3tl/safeint.hxx>
 
#include <stdlib.h>
#include <memory.h>
#include <stdio.h>
#include <algorithm>
#include <assert.h>
 
#include <AccObject.hxx>
#include <AccEventListener.hxx>
 
#if defined __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wextra-tokens"
    // "#endif !_MIDL_USE_GUIDDEF_" in midl-generated code
#endif
#include <UAccCOM_i.c>
#if defined __clang__
#pragma clang diagnostic pop
#endif
 
using namespace com::sun::star::uno;
using namespace com::sun::star::accessibility;
using namespace com::sun::star::accessibility::AccessibleRole;
using namespace com::sun::star::accessibility::AccessibleStateType;
 
//Role mapping table,left side is UNO role, right side is MSAA role
const short ROLE_TABLE[][2] =
    {
        {UNKNOWN,                  IA2_ROLE_UNKNOWN},
        {ALERT ,                   ROLE_SYSTEM_DIALOG},
        {COLUMN_HEADER ,           ROLE_SYSTEM_COLUMNHEADER},
        //{CANVAS ,                  ROLE_SYSTEM_CLIENT},
        {CANVAS ,                  IA2_ROLE_CANVAS},
        {CHECK_BOX ,               ROLE_SYSTEM_CHECKBUTTON},
        {CHECK_MENU_ITEM ,         IA2_ROLE_CHECK_MENU_ITEM},
        {COLOR_CHOOSER,            IA2_ROLE_COLOR_CHOOSER},
        {COMBO_BOX ,               ROLE_SYSTEM_COMBOBOX},
        {DATE_EDITOR ,             IA2_ROLE_DATE_EDITOR},
        {DESKTOP_ICON ,            IA2_ROLE_DESKTOP_ICON},
        {DESKTOP_PANE,             IA2_ROLE_DESKTOP_PANE},
        {DIRECTORY_PANE,           IA2_ROLE_DIRECTORY_PANE},
        {DIALOG,                   ROLE_SYSTEM_DIALOG},
        {DOCUMENT,                 ROLE_SYSTEM_DOCUMENT},
        {EMBEDDED_OBJECT ,         IA2_ROLE_EMBEDDED_OBJECT },
        {END_NOTE ,                IA2_ROLE_ENDNOTE },
        {FILE_CHOOSER ,            IA2_ROLE_FILE_CHOOSER },
        {FILLER,                   ROLE_SYSTEM_WHITESPACE},
        {FONT_CHOOSER,             IA2_ROLE_FONT_CHOOSER},
        {FOOTER,                   IA2_ROLE_FOOTER},
        {FOOTNOTE,                 IA2_ROLE_FOOTNOTE},
        //{FRAME,                      IA2_ROLE_FRAME},
        {FRAME,                    ROLE_SYSTEM_DIALOG},
        {GLASS_PANE ,              IA2_ROLE_GLASS_PANE},
        {GRAPHIC ,                 ROLE_SYSTEM_GRAPHIC},
        {GROUP_BOX,                ROLE_SYSTEM_GROUPING},
        {HEADER ,                  IA2_ROLE_HEADER},
        {HEADING ,                 IA2_ROLE_HEADING},
        {HYPER_LINK ,              ROLE_SYSTEM_TEXT},
        {ICON ,                    IA2_ROLE_ICON},
        {INTERNAL_FRAME,           IA2_ROLE_INTERNAL_FRAME},
        {LABEL,                    ROLE_SYSTEM_STATICTEXT},
        {LAYERED_PANE ,            IA2_ROLE_LAYERED_PANE},
        {LIST ,                    ROLE_SYSTEM_LIST},
        {LIST_ITEM ,               ROLE_SYSTEM_LISTITEM},
        //{MENU ,                    ROLE_SYSTEM_MENUPOPUP},
        {MENU,                ROLE_SYSTEM_MENUITEM},
        {MENU_BAR,                 ROLE_SYSTEM_MENUBAR},
        {MENU_ITEM,                ROLE_SYSTEM_MENUITEM},
        {OPTION_PANE ,             IA2_ROLE_OPTION_PANE},
        {PAGE_TAB,                 ROLE_SYSTEM_PAGETAB},
        {PAGE_TAB_LIST,            ROLE_SYSTEM_PAGETABLIST},
        {PANEL,                    IA2_ROLE_OPTION_PANE},
        {PARAGRAPH,                IA2_ROLE_PARAGRAPH},
        {PASSWORD_TEXT,            ROLE_SYSTEM_TEXT},
        {POPUP_MENU,               ROLE_SYSTEM_MENUPOPUP},
        {PUSH_BUTTON,              ROLE_SYSTEM_PUSHBUTTON},
        {PROGRESS_BAR,             ROLE_SYSTEM_PROGRESSBAR},
        {RADIO_BUTTON,             ROLE_SYSTEM_RADIOBUTTON},
        {RADIO_MENU_ITEM,          IA2_ROLE_RADIO_MENU_ITEM},
        {ROW_HEADER ,              ROLE_SYSTEM_ROWHEADER},
        {ROOT_PANE,                IA2_ROLE_ROOT_PANE},
        {SCROLL_BAR ,              ROLE_SYSTEM_SCROLLBAR},
        {SCROLL_PANE ,             IA2_ROLE_SCROLL_PANE},
        {SHAPE,                    IA2_ROLE_SHAPE},
        {SEPARATOR ,               ROLE_SYSTEM_SEPARATOR},
        {SLIDER ,                  ROLE_SYSTEM_SLIDER},
        {SPIN_BOX ,                ROLE_SYSTEM_SPINBUTTON},
        {SPLIT_PANE,               IA2_ROLE_SPLIT_PANE},
        {STATUS_BAR,               ROLE_SYSTEM_STATUSBAR},
        {TABLE,                    ROLE_SYSTEM_TABLE},
        {TABLE_CELL ,              ROLE_SYSTEM_CELL},
        {TEXT,                     ROLE_SYSTEM_TEXT},
        {TEXT_FRAME ,              IA2_ROLE_TEXT_FRAME},
        //for change toggle button to push button for jaws
        {TOGGLE_BUTTON,            ROLE_SYSTEM_PUSHBUTTON},
 
        {TOOL_BAR,                 ROLE_SYSTEM_TOOLBAR},
        {TOOL_TIP,                 ROLE_SYSTEM_TOOLTIP},
        {TREE ,                    ROLE_SYSTEM_OUTLINE},
        {VIEW_PORT ,               IA2_ROLE_VIEW_PORT},
        {WINDOW,                   ROLE_SYSTEM_WINDOW},
        {BUTTON_DROPDOWN,  ROLE_SYSTEM_BUTTONDROPDOWN},
        {BUTTON_MENU,             ROLE_SYSTEM_BUTTONMENU},
        {CAPTION,                   IA2_ROLE_CAPTION},
        {CHART,                     IA2_ROLE_SHAPE},
        {EDIT_BAR,                  IA2_ROLE_EDITBAR},
        {FORM,                      IA2_ROLE_FORM},
        {IMAGE_MAP ,                IA2_ROLE_IMAGE_MAP},
        {NOTE,                      IA2_ROLE_NOTE},
        {PAGE,                      IA2_ROLE_PAGE},
        {RULER ,                    IA2_ROLE_RULER},
        {SECTION,                   IA2_ROLE_SECTION},
        {TREE_ITEM ,                ROLE_SYSTEM_OUTLINEITEM},
        {TREE_TABLE,                ROLE_SYSTEM_OUTLINE},
        {COMMENT,                   IA2_ROLE_TEXT_FRAME },
        {COMMENT_END,               IA2_ROLE_TEXT_FRAME },
        {DOCUMENT_PRESENTATION,     ROLE_SYSTEM_DOCUMENT },
        {DOCUMENT_SPREADSHEET,      ROLE_SYSTEM_DOCUMENT },
        {DOCUMENT_TEXT,             ROLE_SYSTEM_DOCUMENT },
        {STATIC,                    ROLE_SYSTEM_STATICTEXT },
        {NOTIFICATION,              ROLE_SYSTEM_ALERT}
    };
 
 
AccObject::AccObject(XAccessible* pAcc, AccObjectManagerAgent* pAgent,
                     AccEventListener* pListener) :
        m_resID     (0),
        m_pParantID (nullptr),
        m_pIMAcc    (UAccCOMCreateInstance()),
        m_pParentObj(nullptr),
        m_pListener (pListener),
        m_xAccRef( pAcc )
{
    ImplInitializeCreateObj();
 
    m_xAccContextRef = m_xAccRef->getAccessibleContext();
    m_xAccActionRef.set(m_xAccContextRef,UNO_QUERY);
    m_accRole = m_xAccContextRef -> getAccessibleRole();
    if( m_pIMAcc )
    {
        m_pIMAcc->SetXAccessible(reinterpret_cast<hyper>(m_xAccRef.get()));
        m_pIMAcc->Put_XAccAgent(reinterpret_cast<hyper>(pAgent));
        m_pIMAcc->SetDefaultAction(reinterpret_cast<hyper>(m_xAccActionRef.get()));
    }
}
AccObject::~AccObject()
{
    m_xAccRef = nullptr;
    m_xAccActionRef = nullptr;
    m_xAccContextRef = nullptr;
}
 
 
void AccObject::InsertChild( AccObject* pChild,short pos )
{
 
    std::vector<AccObject*>::iterator iter;
    iter = std::find(m_childrenList.begin(),m_childrenList.end(),pChild);
    if(iter!=m_childrenList.end())
        return;
    if(LAST_CHILD==pos)
    {
        m_childrenList.push_back(pChild);
    }
    else
    {
        iter=m_childrenList.begin()+pos;
        m_childrenList.insert(iter,pChild);
    }
 
    pChild->SetParentObj(this);
}
 
void AccObject::DeleteChild( AccObject* pChild )
{
    std::vector<AccObject*>::iterator iter;
    iter = std::find(m_childrenList.begin(),m_childrenList.end(),pChild);
    if(iter!=m_childrenList.end())
    {
        m_childrenList.erase(iter);
        if(m_pIMAcc)
            pChild->SetParentObj(nullptr);
    }
}
 
void AccObject::UpdateValidWindow()
{
    if(m_pIMAcc)
        m_pIMAcc->Put_XAccWindowHandle(m_pParantID);
}
 
void AccObject::ImplInitializeCreateObj()
{
    assert(m_pIMAcc);
}
 
void  AccObject::UpdateName( )
{
    if (!m_pIMAcc)
    {
        return;
    }
 
    if( ( TEXT_FRAME == m_accRole   ) && ( m_pParentObj !=nullptr )&& ( SCROLL_PANE == m_pParentObj -> m_accRole ) )
        m_pIMAcc->Put_XAccName( o3tl::toW(m_pParentObj->m_xAccContextRef->getAccessibleName().getStr()) );
    //IAccessibility2 Implementation 2009-----
    if ( PARAGRAPH == m_accRole)
    {
        m_pIMAcc->Put_XAccName(L"");
    }
    //-----IAccessibility2 Implementation 2009
    else
        m_pIMAcc->Put_XAccName(o3tl::toW(m_xAccContextRef->getAccessibleName().getStr()));
 
    return ;
}
 
void  AccObject::UpdateAction()
{
    m_xAccActionRef.set(m_xAccContextRef,UNO_QUERY);
 
    if( m_xAccActionRef.is() && m_pIMAcc )
    {
        if( m_xAccActionRef->getAccessibleActionCount() > 0 )
        {
            UpdateDefaultAction( );
            m_pIMAcc->SetDefaultAction(
                    reinterpret_cast<hyper>(m_xAccActionRef.get()));
        }
    }
}
 
void AccObject::UpdateValue()
{
    if( nullptr == m_pIMAcc  || !m_xAccContextRef.is() )
    {
        assert(false);
        return ;
    }
 
    Reference< XAccessibleValue > pRValue(m_xAccContextRef,UNO_QUERY);
    Any pAny;
    if( pRValue.is() )
    {
        pAny = pRValue->getCurrentValue();
    }
 
    SetValue( pAny );
}
 
void AccObject::UpdateDefaultAction( )
{
    if(!m_xAccActionRef.is())
        return ;
 
    switch(m_accRole)
    {
    case PUSH_BUTTON:
    case TOGGLE_BUTTON:
    case RADIO_BUTTON:
    case MENU_ITEM:
    case RADIO_MENU_ITEM:
    case CHECK_MENU_ITEM:
    case LIST_ITEM:
    case CHECK_BOX:
    case TREE_ITEM:
    case BUTTON_DROPDOWN:
        m_pIMAcc->Put_ActionDescription( o3tl::toW(m_xAccActionRef->getAccessibleActionDescription(sal_Int32(0)).getStr()) );
        return;
    }
}
 
void  AccObject::SetValue( Any pAny )
{
    if( nullptr == m_pIMAcc || !m_xAccContextRef.is() )
    {
        assert(false);
        return ;
    }
    Reference< XAccessibleText > pRText(m_xAccContextRef,UNO_QUERY);
    OUString val;
    switch(m_accRole)
    {
    case SPIN_BOX:
        // 3. date editor's msaa value should be the same as spinbox
    case DATE_EDITOR:
    case TEXT:
    case PARAGRAPH:
    case HEADING:
    case TABLE_CELL:
 
        if(pRText)
        {
            val = pRText->getText();
        }
        m_pIMAcc->Put_XAccValue( o3tl::toW(val.getStr()) );
        break;
    case TREE_ITEM:
    //case CHECK_BOX:   //Commented by Li Xing to disable the value for general checkbox
    case COMBO_BOX:
    case NOTE:
    case SCROLL_BAR:
        m_pIMAcc->Put_XAccValue( o3tl::toW(GetMAccessibleValueFromAny(pAny).getStr()) );
        break ;
    // Added by Li Xing, only the checkbox in tree should have the value.
    case CHECK_BOX:
        if( ( m_pParentObj !=nullptr ) && (TREE == m_pParentObj->m_accRole || TREE_ITEM == m_pParentObj->m_accRole ))
            m_pIMAcc->Put_XAccValue( o3tl::toW(GetMAccessibleValueFromAny(pAny).getStr()) );
        break;
    default:
        break;
    }
 
    return;
}
 
OUString AccObject::GetMAccessibleValueFromAny(Any pAny)
{
    OUString strValue;
 
    if(nullptr == m_pIMAcc)
        return strValue;
 
    if(pAny.getValueType() == cppu::UnoType<cppu::UnoUnsignedShortType>::get() )
    {
        sal_uInt16 val;
        if (pAny >>= val)
        {
            strValue=OUString::number(val);
 
        }
    }
    else if(pAny.getValueType() == cppu::UnoType<OUString>::get())
    {
 
        pAny >>= strValue ;
 
    }
    else if(pAny.getValueType() == cppu::UnoType<Sequence< OUString >>::get())
    {
        Sequence< OUString > val;
        if (pAny >>= val)
        {
            for (const OUString& rElem : val)
                strValue += rElem;
        }
    }
    else if(pAny.getValueType() == cppu::UnoType<double>::get())
    {
        double val;
        if (pAny >>= val)
        {
            strValue=OUString::number(val);
        }
    }
    else if(pAny.getValueType() == cppu::UnoType<sal_Int32>::get())
    {
        sal_Int32 val;
        if (pAny >>= val)
        {
            strValue=OUString::number(val);
        }
    }
    else if (pAny.getValueType() == cppu::UnoType<css::accessibility::TextSegment>::get())
    {
        css::accessibility::TextSegment val;
        if (pAny >>= val)
        {
            OUString realVal(val.SegmentText);
            strValue = realVal;
 
        }
    }
 
    return strValue;
}
void  AccObject::SetName( Any pAny)
{
    if( nullptr == m_pIMAcc )
        return ;
 
    m_pIMAcc->Put_XAccName( o3tl::toW(GetMAccessibleValueFromAny(pAny).getStr()) );
 
}
 
short AccObject::GetRole() const
{
    return m_accRole;
}
 
DWORD AccObject::GetMSAAStateFromUNO(sal_Int64 nState)
{
    DWORD IState = UNO_MSAA_UNMAPPING;
 
    if( !m_xAccContextRef.is() )
    {
        assert(false);
        return IState;
    }
    short Role = m_accRole;
 
    switch( nState )
    {
    case  BUSY:
        IState = STATE_SYSTEM_BUSY;
        break;
    case  CHECKED:
        if( Role == PUSH_BUTTON || Role == TOGGLE_BUTTON )
        {
            IState = STATE_SYSTEM_PRESSED;
        }
        else
            IState = STATE_SYSTEM_CHECKED;
        break;
    case  DEFUNC:
        IState = STATE_SYSTEM_UNAVAILABLE;
        break;
    case  EXPANDED:
        IState = STATE_SYSTEM_EXPANDED;
        break;
    case  FOCUSABLE:
        IState = STATE_SYSTEM_FOCUSABLE;
        break;
    case  FOCUSED:
        IState = STATE_SYSTEM_FOCUSED;
        break;
    case  INDETERMINATE:
        IState = STATE_SYSTEM_MIXED;
        break;
    case  MULTI_SELECTABLE:
        IState = STATE_SYSTEM_MULTISELECTABLE;
        break;
    case  PRESSED:
        IState = STATE_SYSTEM_PRESSED;
        break;
    case  RESIZABLE:
        IState = STATE_SYSTEM_SIZEABLE;
        break;
    case  SELECTABLE:
        if( m_accRole == MENU || m_accRole == MENU_ITEM)
        {
            IState = UNO_MSAA_UNMAPPING;
        }
        else
        {
            IState = STATE_SYSTEM_SELECTABLE;
        }
        break;
    case  SELECTED:
        if( m_accRole == MENU || m_accRole == MENU_ITEM )
        {
            IState = UNO_MSAA_UNMAPPING;
        }
        else
        {
            IState = STATE_SYSTEM_SELECTED;
        }
        break;
    case  ARMED:
        IState = STATE_SYSTEM_FOCUSED;
        break;
    case  EXPANDABLE:
        {
            sal_Bool isExpanded = true;
            sal_Bool isExpandable = true;
            if( Role == PUSH_BUTTON || Role == TOGGLE_BUTTON  || BUTTON_DROPDOWN == Role )
            {
                IState = STATE_SYSTEM_HASPOPUP;
            }
            else
            {
                GetExpandedState(&isExpandable,&isExpanded);
                if(!isExpanded)
                    IState = STATE_SYSTEM_COLLAPSED;
            }
        }
        break;
    //Remove the SENSITIVE state mapping. There is no corresponding MSAA state.
    //case  SENSITIVE:
    //    IState = STATE_SYSTEM_PROTECTED;
    case EDITABLE:
        if( m_pIMAcc )
        {
            m_pIMAcc->DecreaseState( STATE_SYSTEM_READONLY );
        }
        break;
    case OFFSCREEN:
        IState = STATE_SYSTEM_OFFSCREEN;
        break;
    case MOVEABLE:
        IState = STATE_SYSTEM_MOVEABLE;
        break;
    case COLLAPSE:
        IState = STATE_SYSTEM_COLLAPSED;
        break;
    case DEFAULT:
        IState = STATE_SYSTEM_DEFAULT;
        break;
    default:
        break;
    }
 
    return IState;
}
 
void  AccObject::DecreaseState( sal_Int64 xState )
{
    if( nullptr == m_pIMAcc )
    {
        return;
    }
 
    if( xState == FOCUSABLE)
    {
        short Role = m_accRole ;
        if(Role == MENU_ITEM
                || Role == RADIO_MENU_ITEM
                || Role == CHECK_MENU_ITEM)
            return;
        else
        {
            if (Role == TOGGLE_BUTTON || Role == PUSH_BUTTON || BUTTON_DROPDOWN == Role)
            {
                if( ( m_pParentObj !=nullptr ) && (TOOL_BAR == m_pParentObj->m_accRole ) )
                    return;
            }
        }
    }
 
    else if( xState == AccessibleStateType::VISIBLE  )
    {
        m_pIMAcc->IncreaseState( STATE_SYSTEM_INVISIBLE );
    }
    else if( xState == AccessibleStateType::SHOWING )
    {
        m_pIMAcc->IncreaseState( STATE_SYSTEM_OFFSCREEN );
    }
 
    DWORD msState = GetMSAAStateFromUNO(xState);
    if(msState!=UNO_MSAA_UNMAPPING)
        m_pIMAcc->DecreaseState(msState);
}
 
void AccObject::IncreaseState( sal_Int64 xState )
{
    if( nullptr == m_pIMAcc )
    {
        assert(false);
        return;
    }
 
 
    if( xState == AccessibleStateType::VISIBLE  )
    {
        m_pIMAcc->DecreaseState( STATE_SYSTEM_INVISIBLE );
    }
    else if( xState == AccessibleStateType::SHOWING )
    {
        m_pIMAcc->DecreaseState( STATE_SYSTEM_OFFSCREEN );
    }
 
 
    DWORD msState = GetMSAAStateFromUNO(xState);
    if(msState!=UNO_MSAA_UNMAPPING)
        m_pIMAcc->IncreaseState( msState );
}
 
AccObject* AccObject::NextChild()
{
    IAccChildList::iterator pInd = m_childrenList.begin();
    if( pInd != m_childrenList.end() )
        return  *pInd;
    return nullptr;
}
void AccObject::UpdateActionDesc()
{
    if (!m_pIMAcc)
        return;
 
    long Role = m_accRole;
 
    if(  Role == PUSH_BUTTON || Role == RADIO_BUTTON || Role == MENU_ITEM ||
            Role == LIST_ITEM || Role == CHECK_BOX || Role == TREE_ITEM ||
            Role == CHECK_MENU_ITEM || Role == RADIO_MENU_ITEM )
    {
        UpdateDefaultAction(  );
    }
    else
    {
 
        if( m_xAccActionRef.is() )
        {
            if( m_xAccActionRef->getAccessibleActionCount() > 0 )
            {
                if (!(Role == SPIN_BOX || Role == COMBO_BOX || Role == DATE_EDITOR ||
                      Role == EDIT_BAR || Role == PASSWORD_TEXT || Role == TEXT))
                {
                    const OUString sActionDesc = m_xAccActionRef->getAccessibleActionDescription(0);
                    // if string is non-empty, action is set.
                    if (!sActionDesc.isEmpty())
                        m_pIMAcc->Put_ActionDescription(o3tl::toW(sActionDesc.getStr()));
                }
            }
        }
    }
 
}
void AccObject::UpdateRole()
{
    if (!m_pIMAcc)
    {
        return;
    }
 
    XAccessibleContext* pContext  = m_xAccContextRef.get();
    m_pIMAcc->Put_XAccRole( ROLE_SYSTEM_WINDOW  );
    sal_Int16 iRoleIndex = pContext->getAccessibleRole();
    if ((0 <= iRoleIndex) && (o3tl::make_unsigned(iRoleIndex) < SAL_N_ELEMENTS(ROLE_TABLE)))
    {
        short iIA2Role = ROLE_TABLE[iRoleIndex][1] ;
        m_pIMAcc->Put_XAccRole( iIA2Role  );
    }
 
}
void AccObject::UpdateState()
{
    if (!m_pIMAcc)
    {
        return;
    }
 
    XAccessibleContext* pContext  = m_xAccContextRef.get();
    sal_Int64 nRState = pContext->getAccessibleStateSet();
 
    m_pIMAcc->SetState(0);
 
    if ( m_accRole == POPUP_MENU )
    {
        return;
    }
 
    bool isEnable = false;
    bool isShowing = false;
    bool isEditable = false;
    bool isVisible = false;
    bool isFocusable = false;
 
    for (int i=0; i<63; ++i)
    {
        sal_Int64 nState = sal_Int64(1) << i;
        if (!(nState & nRState))
            continue;
        if (nState == ENABLED)
            isEnable = true;
        else if (nState == SHOWING)
            isShowing = true;
        else if (nState == VISIBLE)
            isVisible = true;
        else if (nState == EDITABLE)
            isEditable = true;
        else if (nState == FOCUSABLE)
            isFocusable = true;
        IncreaseState(nState);
    }
 
    bool bIsMenuItem = m_accRole == MENU_ITEM || m_accRole == RADIO_MENU_ITEM || m_accRole == CHECK_MENU_ITEM;
 
    if(bIsMenuItem)
    {
        if(!(isShowing && isVisible) )
        {
            m_pIMAcc->IncreaseState( STATE_SYSTEM_INVISIBLE );
            m_pIMAcc->DecreaseState( STATE_SYSTEM_FOCUSABLE );
        }
    }
    else
    {
        if(!(isShowing || isVisible) )
            m_pIMAcc->IncreaseState( STATE_SYSTEM_INVISIBLE );
    }
 
    short Role = m_accRole;
 
    switch(m_accRole)
    {
    case LABEL:
    case STATIC:
    case NOTIFICATION:
        m_pIMAcc->IncreaseState( STATE_SYSTEM_READONLY );
        break;
    case TEXT:
        // 2. editable combobox -> readonly ------ bridge
    case EMBEDDED_OBJECT:
    case END_NOTE:
    case FOOTER:
    case FOOTNOTE:
    case GRAPHIC:
    case HEADER:
    case HEADING:
 
        //Image Map
    case PARAGRAPH:
    case PASSWORD_TEXT:
    case SHAPE:
    case SPIN_BOX:
    case TABLE:
    case TABLE_CELL:
    case TEXT_FRAME:
    case DATE_EDITOR:
    case DOCUMENT:
    case COLUMN_HEADER:
        {
            if(!isEditable)
                m_pIMAcc->IncreaseState( STATE_SYSTEM_READONLY );
        }
        break;
    default:
        break;
    }
 
    if( isEnable )
    {
 
        if(!(Role == FILLER || Role == END_NOTE || Role == FOOTER || Role == FOOTNOTE || Role == GROUP_BOX || Role == RULER
                || Role == HEADER || Role == ICON || Role == INTERNAL_FRAME || Role == LABEL || Role == LAYERED_PANE
                || Role == SCROLL_BAR || Role == SCROLL_PANE || Role == SPLIT_PANE || Role == STATIC || Role == STATUS_BAR
                || Role == TOOL_TIP || Role == NOTIFICATION))
        {
            if( SEPARATOR == Role  )
            {
                if( ( m_pParentObj != nullptr ) && ( MENU == m_pParentObj->m_accRole  || POPUP_MENU == m_pParentObj->m_accRole ))
                    IncreaseState( FOCUSABLE );
            }
 
            else if (TABLE_CELL == Role || TABLE == Role || PANEL == Role || OPTION_PANE == Role ||
                     COLUMN_HEADER == Role)
            {
                if (isFocusable)
                    IncreaseState( FOCUSABLE );
            }
            else
            {
                if(bIsMenuItem)
                {
                    if ( isShowing && isVisible)
                    {
                        IncreaseState( FOCUSABLE );
                    }
                }
                else
                {
                    IncreaseState( FOCUSABLE );
                }
            }
        }
    }
    else
    {
        m_pIMAcc->IncreaseState( STATE_SYSTEM_UNAVAILABLE );
        if( !((Role == MENU_ITEM) ||
                (Role == RADIO_MENU_ITEM) ||
                (Role == CHECK_MENU_ITEM)) )
        {
            if  ( Role == TOGGLE_BUTTON || Role == PUSH_BUTTON || BUTTON_DROPDOWN == Role)
            {
                if(( m_pParentObj != nullptr )&& (TOOL_BAR ==  m_pParentObj->m_accRole ) )
                    IncreaseState( FOCUSABLE );
                else
                    DecreaseState( FOCUSABLE );
            }
            else
                DecreaseState( FOCUSABLE );
        }
        else if( isShowing || isVisible )
        {
            IncreaseState( FOCUSABLE );
        }
    }
 
    switch(m_accRole)
    {
    case POPUP_MENU:
    case MENU:
        if( pContext->getAccessibleChildCount() > 0 )
            m_pIMAcc->IncreaseState( STATE_SYSTEM_HASPOPUP );
        break;
    case PASSWORD_TEXT:
        m_pIMAcc->IncreaseState( STATE_SYSTEM_PROTECTED );
        break;
    default:
        break;
    }
}
 
bool AccObject::UpdateAccessibleInfoFromUnoToMSAA()
{
    if( nullptr == m_pIMAcc || !m_xAccContextRef.is()  )
    {
        assert(false);
        return false;
    }
 
    UpdateName();
 
    UpdateValue();
 
    UpdateActionDesc();
 
    UpdateRole();
 
    UpdateState();
 
    return true;
}
 
 
void AccObject::setFocus()
{
    if(m_pIMAcc)
    {
        IncreaseState(FOCUSED);
        m_pIMAcc->Put_XAccFocus(CHILDID_SELF);
 
        UpdateRole();
    }
}
 
void AccObject::unsetFocus()
{
    if(m_pIMAcc)
    {
        DecreaseState( FOCUSED );
        m_pIMAcc->Put_XAccFocus(UACC_NO_FOCUS);
    }
}
 
void AccObject::GetExpandedState( sal_Bool* isExpandable, sal_Bool* isExpanded)
{
    *isExpanded = false;
    *isExpandable = false;
 
    if( !m_xAccContextRef.is() )
    {
        return;
    }
    sal_Int64 nRState = m_xAccContextRef->getAccessibleStateSet();
 
    if (nRState & EXPANDED)
        *isExpanded = true;
    if (nRState & EXPANDABLE)
        *isExpandable = true;
}
 
void AccObject::NotifyDestroy()
{
    if(m_pIMAcc)
        m_pIMAcc->NotifyDestroy();
}
 
void AccObject::SetParentObj(AccObject* pParentAccObj)
{
    m_pParentObj = pParentAccObj;
 
    if(m_pIMAcc)
    {
        if(m_pParentObj)
        {
            m_pIMAcc->Put_XAccParent(m_pParentObj->GetIMAccessible());
        }
        else
        {
            m_pIMAcc->Put_XAccParent(nullptr);
        }
    }
}
//ResID means ChildID in MSAA
void AccObject::SetResID(long id)
{
    m_resID = id;
    if(m_pIMAcc)
        m_pIMAcc->Put_XAccChildID(m_resID);
}
//return COM interface in acc object
IMAccessible*  AccObject::GetIMAccessible()
{
    return m_pIMAcc;
}
 
Reference<XAccessible> const& AccObject::GetXAccessible()
{
    return m_xAccRef;
}
 
void AccObject::SetParentHWND(HWND hWnd)
{
    m_pParantID = hWnd;
}
 
rtl::Reference<AccEventListener> AccObject::SetListener(rtl::Reference<AccEventListener> const& pListener)
{
    rtl::Reference<AccEventListener> pRet(m_pListener);
    m_pListener = pListener;
    return pRet;
}
 
AccEventListener* AccObject::getListener()
{
    return m_pListener.get();
}
 
long AccObject::GetResID()
{
    return m_resID;
}
 
HWND AccObject::GetParentHWND()
{
    return m_pParantID;
}
 
AccObject* AccObject::GetParentObj()
{
    return m_pParentObj;
}
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */