Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 3162 insertions, 0 deletions

diff --git a/winaccessibility/source/UAccCOM/MAccessible.cxx b/winaccessibility/source/UAccCOM/MAccessible.cxx
new file mode 100644
index 000000000..848960ff7
--- /dev/null
+++ b/winaccessibility/source/UAccCOM/MAccessible.cxx
@@ -0,0 +1,3162 @@
+/* -*- 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 "MAccessible.h"
+
+#if defined __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wnon-virtual-dtor"
+#endif
+#include  <UAccCOM.h>
+#if defined __clang__
+#pragma clang diagnostic pop
+#endif
+
+#include <algorithm>
+#include <cstddef>
+
+#include "AccAction.h"
+#include "AccRelation.h"
+#include "AccComponent.h"
+#include "AccText.h"
+#include "AccEditableText.h"
+#include "AccImage.h"
+#include "AccTable.h"
+#include "AccTableCell.h"
+#include "AccValue.h"
+#include "AccHypertext.h"
+#include "AccHyperLink.h"
+
+#include <rtl/ustrbuf.hxx>
+#include <vcl/svapp.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+#include <comphelper/AccessibleImplementationHelper.hxx>
+
+#include <com/sun/star/accessibility/XAccessibleText.hpp>
+#include <com/sun/star/accessibility/XAccessibleEditableText.hpp>
+#include <com/sun/star/accessibility/XAccessibleImage.hpp>
+#include <com/sun/star/accessibility/XAccessibleTable.hpp>
+#include <com/sun/star/accessibility/XAccessibleExtendedComponent.hpp>
+#include <com/sun/star/accessibility/XAccessibleAction.hpp>
+#include <com/sun/star/accessibility/XAccessibleKeyBinding.hpp>
+#include <com/sun/star/accessibility/XAccessibleHypertext.hpp>
+#include <com/sun/star/accessibility/XAccessibleHyperlink.hpp>
+#include <com/sun/star/accessibility/XAccessibleRelationSet.hpp>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/XAccessibleGroupPosition.hpp>
+#include <com/sun/star/accessibility/XAccessibleValue.hpp>
+#include <com/sun/star/accessibility/XAccessibleExtendedAttributes.hpp>
+#include <com/sun/star/style/LineSpacing.hpp>
+#include <com/sun/star/style/TabStop.hpp>
+#include <com/sun/star/container/XIndexReplace.hpp>
+
+
+using namespace com::sun::star::uno;
+using namespace com::sun::star::accessibility;
+using namespace com::sun::star::accessibility::AccessibleStateType;
+
+namespace {
+
+enum class XInterfaceType {
+    XI_COMPONENT,
+    XI_TEXT,
+    XI_TABLE,
+    XI_TABLECELL,
+    XI_EDITABLETEXT,
+    XI_IMAGE,
+    XI_SELECTION,
+    XI_EXTENDEDCOMP,
+    XI_VALUE,
+    XI_KEYBINDING,
+    XI_ACTION,
+    XI_HYPERTEXT,
+    XI_HYPERLINK,
+    XI_ATTRIBUTE
+};
+
+template <class Interface>
+bool queryXInterface(XAccessible* pXAcc, XInterface** ppXI)
+{
+    if (!pXAcc)
+        return false;
+
+    Reference<XAccessibleContext> pRContext = pXAcc->getAccessibleContext();
+    if (!pRContext.is())
+        return false;
+
+    Reference<Interface> pRXI(pRContext, UNO_QUERY);
+    if (!pRXI.is())
+        return false;
+
+    *ppXI = pRXI.get();
+    return true;
+}
+
+// Since there's no specific XInterface for table cells, this
+// method checks that the accessible's parent is a table
+// (implements XAccessibleTable) and pXAcc's context implements
+// XAccessibleComponent.
+bool queryTableCell(XAccessible* pXAcc, XInterface** ppXI)
+{
+    XInterface* pXInterface = nullptr;
+
+    const bool bSupportsInterface = queryXInterface<XAccessibleComponent>(pXAcc, &pXInterface);
+    if (!bSupportsInterface)
+        return false;
+
+    // check whether parent is a table (its accessible context implements XAccessibleTable)
+    XInterface* pParentXInterface = nullptr;
+    Reference<XAccessible> xParentAcc = pXAcc->getAccessibleContext()->getAccessibleParent();
+    const bool bParentIsTable = queryXInterface<XAccessibleTable>(xParentAcc.get(), &pParentXInterface);
+
+    if (!bParentIsTable)
+        return false;
+
+    *ppXI = pXInterface;
+    return true;
+}
+
+}
+
+// IA2 states mapping, and name
+// maintenance the consistency, change one array, change the three all
+long const IA2_STATES[] =
+{
+    IA2_STATE_ACTIVE,                   // =                    0x1;
+    IA2_STATE_ARMED,                    // =                    0x2;
+    IA2_STATE_DEFUNCT,                  // =                    0x4;
+    IA2_STATE_EDITABLE,                 // =                    0x8;
+    IA2_STATE_HORIZONTAL,               // =                    0x10;
+    IA2_STATE_ICONIFIED,                // =                    0x20;
+    IA2_STATE_INVALID_ENTRY,            // =                    0x80;
+    IA2_STATE_MANAGES_DESCENDANTS,      // =                    0x100;
+    IA2_STATE_MODAL,                    // =                    0x200;
+    IA2_STATE_MULTI_LINE,               // =                    0x400;
+    IA2_STATE_OPAQUE,                   // =                    0x800;
+    IA2_STATE_REQUIRED,                 // =                    0x2000;
+    IA2_STATE_SELECTABLE_TEXT,          // =                    0x3000;
+    IA2_STATE_SINGLE_LINE,              // =                    0x4000;
+    IA2_STATE_STALE,                    // =                    0x8000;
+    IA2_STATE_SUPPORTS_AUTOCOMPLETION,  // =                    0x10000;
+    IA2_STATE_TRANSIENT,                //=                     0x20000;
+    IA2_STATE_VERTICAL                  // =                    0x40000;
+};
+/*
+
+<=== map ===>
+
+*/
+short const UNO_STATES[] =
+{
+    ACTIVE,         // = (sal_Int16)1;
+    ARMED,          // = (sal_Int16)2;
+    DEFUNC,         // = (sal_Int16)5;
+    EDITABLE,       // = (sal_Int16)6;
+    HORIZONTAL,     // = (sal_Int16)12;
+    ICONIFIED,      // = (sal_Int16)13;
+    -1,             //IA2_STATE_INVALID_ENTRY
+    MANAGES_DESCENDANTS, // = (sal_Int16)15;
+    MODAL,          // = (sal_Int16)16;
+    MULTI_LINE,     // = (sal_Int16)17;
+    OPAQUE,         // = (sal_Int16)19;
+    -1,             //IA2_STATE_REQUIRED
+    -1,             //IA2_STATE_SELECTABLE_TEXT
+    SINGLE_LINE,    // = (sal_Int16)26;
+    STALE,          // = (sal_Int16)27;
+    -1,             //IA2_STATE_SUPPORTS_AUTOCOMPLETION
+    TRANSIENT,      //IA2_STATE_TRANSIENT
+    VERTICAL        // = (sal_Int16)29;
+};
+
+using namespace com::sun::star::accessibility::AccessibleRole;
+
+
+AccObjectManagerAgent* CMAccessible::g_pAgent = nullptr;
+
+CMAccessible::CMAccessible():
+m_pszName(nullptr),
+m_pszValue(nullptr),
+m_pszActionDescription(nullptr),
+m_iRole(0x00),
+m_dState(0x00),
+m_pIParent(nullptr),
+m_dChildID(0x00),
+m_dFocusChildID(UACC_NO_FOCUS),
+m_hwnd(nullptr),
+m_isDestroy(false)
+{
+    m_sLocation.m_dLeft=0;
+    m_sLocation.m_dTop = 0;
+    m_sLocation.m_dWidth=0;
+    m_sLocation.m_dHeight=0;
+    CEnumVariant::Create(&m_pEnumVar);
+    m_containedObjects.clear();
+}
+
+CMAccessible::~CMAccessible()
+{
+    SolarMutexGuard g;
+
+    if(m_pszName!=nullptr)
+    {
+        SysFreeString(std::exchange(m_pszName, nullptr));
+    }
+    if(m_pszValue!=nullptr)
+    {
+        SysFreeString(std::exchange(m_pszValue, nullptr));
+    }
+
+    if(m_pszActionDescription!=nullptr)
+    {
+        SysFreeString(std::exchange(m_pszActionDescription, nullptr));
+    }
+
+    if(m_pIParent)
+    {
+        m_pIParent->Release();
+        m_pIParent=nullptr;
+    }
+    m_pEnumVar->Release();
+    m_containedObjects.clear();
+}
+
+/**
+* Returns the Parent IAccessible interface pointer to AT.
+* It should add reference, and the client should release the component.
+* It should return E_FAIL when the parent point is null.
+* @param    ppdispParent [in,out] used to return the parent interface point.
+*           when the point is null, should return null.
+* @return   S_OK if successful and E_FAIL if the m_pIParent is NULL.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accParent(IDispatch **ppdispParent)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(ppdispParent == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        if(m_pIParent)
+        {
+            *ppdispParent = m_pIParent;
+            (*ppdispParent)->AddRef();
+            return S_OK;
+        }
+        else if(m_hwnd)
+        {
+            HRESULT hr = AccessibleObjectFromWindow(m_hwnd, OBJID_WINDOW, IID_IAccessible, reinterpret_cast<void**>(ppdispParent));
+            if (!SUCCEEDED(hr) || !*ppdispParent)
+            {
+                return S_FALSE;
+            }
+            return S_OK;
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns child count of current COM object.
+* @param    pcountChildren [in,out] used to return the children count.
+* @return   S_OK if successful.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accChildCount(long *pcountChildren)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pcountChildren == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        if (!m_xAccessible.is())
+            return S_FALSE;
+
+        Reference<XAccessibleContext> const pRContext =
+            m_xAccessible->getAccessibleContext();
+        if( pRContext.is() )
+        {
+            *pcountChildren = pRContext->getAccessibleChildCount();
+        }
+
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns child interface pointer for AT according to input child ID.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    ppdispChild, [in,out] use to return the child interface point.
+* @return   S_OK if successful and S_FALSE if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accChild(VARIANT varChild, IDispatch **ppdispChild)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(ppdispChild == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varChild.vt==VT_I4)
+        {
+            //get child interface pointer due to child ID
+            if(varChild.lVal==CHILDID_SELF)
+            {
+                AddRef();
+                *ppdispChild = this;
+                return S_OK;
+            }
+            *ppdispChild = GetChildInterface(varChild.lVal);
+            if((*ppdispChild) == nullptr)
+                return E_FAIL;
+            (*ppdispChild)->AddRef();
+            return S_OK;
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the accessible name of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pszName, [in,out] use to return the name of the proper object.
+* @return   S_OK if successful and S_FALSE if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accName(VARIANT varChild, BSTR *pszName)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pszName == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varChild.vt==VT_I4)
+        {
+            if(varChild.lVal==CHILDID_SELF)
+            {
+                SysFreeString(*pszName);
+                *pszName = SysAllocString(m_pszName);
+                return S_OK;
+            }
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+            return pChild->get_accName(varChild,pszName);
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the accessible value of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pszValue, [in,out] use to return the value of the proper object.
+* @return   S_OK if successful and S_FALSE if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accValue(VARIANT varChild, BSTR *pszValue)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if( pszValue == nullptr )
+        {
+            return E_INVALIDARG;
+        }
+        if( varChild.vt==VT_I4 )
+        {
+            if(varChild.lVal==CHILDID_SELF)
+            {
+                if(m_dState & STATE_SYSTEM_PROTECTED)
+                    return E_ACCESSDENIED;
+
+                if ( m_pszValue !=nullptr && wcslen(m_pszValue) == 0 )
+                    return S_OK;
+
+                SysFreeString(*pszValue);
+                *pszValue = SysAllocString(m_pszValue);
+                return S_OK;
+            }
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+            return pChild->get_accValue(varChild,pszValue);
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the accessible description of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pszDescription, [in,out] use to return the description of the proper object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accDescription(VARIANT varChild, BSTR *pszDescription)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pszDescription == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varChild.vt==VT_I4)
+        {
+            if(varChild.lVal==CHILDID_SELF)
+            {
+                if (!m_xAccessible.is())
+                    return S_FALSE;
+
+                Reference<XAccessibleContext> xContext = m_xAccessible->getAccessibleContext();
+                if (!xContext.is())
+                    return S_FALSE;
+
+                const OUString sDescription = xContext->getAccessibleDescription();
+                SysFreeString(*pszDescription);
+                *pszDescription = SysAllocString(o3tl::toW(sDescription.getStr()));
+                return S_OK;
+            }
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+            return pChild->get_accDescription(varChild,pszDescription);
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the accessible role of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pvarRole, [in,out] use to return the role of the proper object.
+* @return   S_OK if successful and S_FALSE if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accRole(VARIANT varChild, VARIANT *pvarRole)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarRole == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varChild.vt == VT_I4)
+        {
+
+            if(varChild.lVal == CHILDID_SELF)
+            {
+                VariantInit(pvarRole);
+                pvarRole->vt = VT_I4;
+
+                if (m_iRole < IA2_ROLE_CAPTION)
+                    pvarRole->lVal = m_iRole;
+                else
+                    pvarRole->lVal = ROLE_SYSTEM_CLIENT;
+
+                return S_OK;
+            }
+
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+            return pChild->get_accRole(varChild,pvarRole);
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the accessible state of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pvarState, [in,out] use to return the state of the proper object.
+* @return   S_OK if successful and S_FALSE if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accState(VARIANT varChild, VARIANT *pvarState)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarState == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varChild.vt==VT_I4)
+        {
+            if(varChild.lVal == CHILDID_SELF)
+            {
+                if (m_xAccessible.is())
+                {
+                    Reference<XAccessibleContext> const pContext =
+                        m_xAccessible->getAccessibleContext();
+                    if(pContext.is())
+                    {
+                        // add the STATE_SYSTEM_LINKED state
+                        Reference< XAccessibleHypertext > pRHypertext(pContext,UNO_QUERY);
+                        if(pRHypertext.is())
+                        {
+                            if( pRHypertext->getHyperLinkCount() > 0 )
+                                m_dState |= STATE_SYSTEM_LINKED;
+                            else
+                                m_dState &= ~STATE_SYSTEM_LINKED;
+                        }
+                        else
+                            m_dState &= ~STATE_SYSTEM_LINKED;
+                    }
+                }
+
+                VariantInit(pvarState);
+                pvarState->vt = VT_I4;
+                pvarState->lVal = m_dState;
+                return S_OK;
+            }
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+            return pChild->get_accState(varChild,pvarState);
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the accessible helpString of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pszHelp, [in,out] use to return the helpString of the proper object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accHelp(VARIANT, BSTR *)
+{
+    return E_NOTIMPL;
+}
+
+/**
+* Returns the accessible HelpTopic of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pszHelpFile, [in,out] use to return the HelpTopic of the proper object.
+* @param    pidTopic, use to return the HelpTopic ID of the proper object.
+* @return   S_OK if successful and E_FAIL if failure.
+* Not implemented yet
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accHelpTopic(BSTR *, VARIANT, long *)
+{
+    return E_NOTIMPL;
+}
+
+static bool GetMnemonicChar( const OUString& aStr, sal_Unicode* wStr)
+{
+    for (sal_Int32 i = 0;; i += 2) {
+        i = aStr.indexOf('~', i);
+        if (i == -1 || i == aStr.getLength() - 1) {
+            return false;
+        }
+        auto c = aStr[i + 1];
+        if (c != '~') {
+            *wStr = c;
+            return true;
+        }
+    }
+}
+
+/**
+* Returns the accessible keyboard shortcut of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pszKeyboardShortcut, [in,out] use to return the kbshortcut of the proper object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accKeyboardShortcut(VARIANT varChild, BSTR *pszKeyboardShortcut)
+{
+    SolarMutexGuard g;
+
+    try {
+
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pszKeyboardShortcut == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        if(varChild.vt==VT_I4)
+        {
+            if(varChild.lVal == CHILDID_SELF)
+            {
+                if (m_xAccessible.is())
+                {
+                    Reference<XAccessibleContext> const pRContext =
+                        m_xAccessible->getAccessibleContext();
+                    if( !pRContext.is() )
+                        return S_FALSE;
+
+                    Reference<XAccessibleAction> pRXI(pRContext,UNO_QUERY);
+
+                    OUString wString;
+
+                    if( pRXI.is() && pRXI->getAccessibleActionCount() >= 1)
+                    {
+                        Reference< XAccessibleKeyBinding > binding = pRXI->getAccessibleActionKeyBinding(0);
+                        if( binding.is() )
+                        {
+                            long nCount = binding->getAccessibleKeyBindingCount();
+                            if(nCount >= 1)
+                            {
+                                wString = comphelper::GetkeyBindingStrByXkeyBinding( binding->getAccessibleKeyBinding(0) );
+                            }
+                        }
+                    }
+                    if(wString.isEmpty())
+                    {
+                        Reference<XAccessibleRelationSet> pRrelationSet = pRContext->getAccessibleRelationSet();
+                        if(!pRrelationSet.is())
+                        {
+                            return S_FALSE;
+                        }
+
+                        long nRelCount = pRrelationSet->getRelationCount();
+
+                        // Modified by Steve Yin, for SODC_1552
+                        if( /*nRelCount <= 0 &&*/ m_iRole == ROLE_SYSTEM_TEXT )
+                        {
+                            VARIANT varParentRole;
+                            VariantInit( &varParentRole );
+
+                            if (m_pIParent
+                                && SUCCEEDED(m_pIParent->get_accRole(varChild, &varParentRole))
+                                && varParentRole.lVal == ROLE_SYSTEM_COMBOBOX) // edit in comboBox
+                            {
+                                m_pIParent->get_accKeyboardShortcut(varChild, pszKeyboardShortcut);
+                                return S_OK;
+                            }
+                        }
+
+                        AccessibleRelation *paccRelation = nullptr;
+                        AccessibleRelation accRelation;
+                        for(int i=0; i<nRelCount ; i++)
+                        {
+                            if( pRrelationSet->getRelation(i).RelationType == 6 )
+                            {
+                                accRelation = pRrelationSet->getRelation(i);
+                                paccRelation = &accRelation;
+                            }
+                        }
+
+                        if(paccRelation == nullptr)
+                            return S_FALSE;
+
+                        Sequence< Reference< XInterface > > xTargets = paccRelation->TargetSet;
+                        Reference<XInterface> pRAcc = xTargets[0];
+
+                        XAccessible* pXAcc = static_cast<XAccessible*>(pRAcc.get());
+
+                        Reference<XAccessibleContext> pRLebelContext = pXAcc->getAccessibleContext();
+                        if(!pRLebelContext.is())
+                            return S_FALSE;
+
+                        pRrelationSet = pRLebelContext->getAccessibleRelationSet();
+                        nRelCount = pRrelationSet->getRelationCount();
+
+                        paccRelation = nullptr;
+                        for(int j=0; j<nRelCount ; j++)
+                        {
+                            if( pRrelationSet->getRelation(j).RelationType == 5 )
+                            {
+                                accRelation = pRrelationSet->getRelation(j);
+                                paccRelation = &accRelation;
+                            }
+                        }
+
+                        if(paccRelation)
+                        {
+                            xTargets = paccRelation->TargetSet;
+                            pRAcc = xTargets[0];
+                            if (m_xAccessible.get() != static_cast<XAccessible*>(pRAcc.get()))
+                                return S_FALSE;
+                        }
+
+                        Reference<XAccessibleExtendedComponent> pRXIE(pRLebelContext,UNO_QUERY);
+                        if(!pRXIE.is())
+                            return S_FALSE;
+
+                        OUString ouStr = pRXIE->getTitledBorderText();
+                        sal_Unicode key;
+                        if(GetMnemonicChar(ouStr, &key))
+                        {
+                            wString = "Alt+" + OUStringChar(key);
+                        }
+                        else
+                            return S_FALSE;
+                    }
+
+                    SysFreeString(*pszKeyboardShortcut);
+                    *pszKeyboardShortcut = SysAllocString(o3tl::toW(wString.getStr()));
+
+                    return S_OK;
+                }
+                else
+                {
+                    return S_FALSE;
+                }
+            }
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+
+            return pChild->get_accKeyboardShortcut(varChild,pszKeyboardShortcut);
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the current focused child to AT.
+* @param    pvarChild, [in,out] vt member of pvarChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accFocus(VARIANT *pvarChild)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarChild == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if( m_dFocusChildID==UACC_NO_FOCUS )
+        {
+            pvarChild->vt = VT_EMPTY;//no focus on the object and its children
+            return S_OK;
+        }
+        //if the descendant of current object has focus indicated by m_dFocusChildID, return the IDispatch of this focused object
+        else
+        {
+            IMAccessible* pIMAcc = nullptr;
+            g_pAgent->GetIAccessibleFromResID(m_dFocusChildID,&pIMAcc);
+            if (pIMAcc == nullptr)
+            {
+                return E_FAIL;
+            }
+            pIMAcc->AddRef();
+            pvarChild->vt = VT_DISPATCH;
+            pvarChild->pdispVal = pIMAcc;
+
+        }
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the selection of the current COM object to AT.
+* @param    pvarChildren,[in,out]
+* if selection num is 0,return VT_EMPTY for vt,
+* if selection num is 1,return VT_I4 for vt,and child index for lVal
+* if selection num >1,return VT_UNKNOWN for vt, and IEnumVariant* for punkVal
+* @return   S_OK if successful and S_FALSE if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accSelection(VARIANT *pvarChildren)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarChildren == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        switch(m_pEnumVar->GetCountOfElements())
+        {
+        case 0:
+            pvarChildren->vt = VT_EMPTY;
+            break;
+        case 1:
+            VARIANT varTmp[1];
+            ULONG count;
+            VariantInit(&varTmp[0]);
+            m_pEnumVar->Next(1,varTmp,&count);
+            if(count!=1)
+                return S_FALSE;
+            pvarChildren->vt = VT_DISPATCH;
+            pvarChildren->pdispVal = varTmp[0].pdispVal;
+            pvarChildren->pdispVal->AddRef();
+            VariantClear(&varTmp[0]);
+            m_pEnumVar->Reset();
+            break;
+        default:
+            pvarChildren->vt = VT_UNKNOWN;
+            IEnumVARIANT* pClone;
+            m_pEnumVar->Clone(&pClone);
+            pClone->Reset();
+            pvarChildren->punkVal = pClone;
+            break;
+        }
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the location of the current COM object self or its one child to AT.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    pxLeft, [in,out] use to return the x-coordination of the proper object.
+* @param    pyTop,  [in,out] use to return the y-coordination of the proper object.
+* @param    pcxWidth, [in,out] use to return the x-coordination width of the proper object.
+* @param    pcyHeight, [in,out] use to return the y-coordination height of the proper object.
+* @return   S_OK if successful and S_FALSE if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::accLocation(long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varChild)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pxLeft == nullptr || pyTop == nullptr || pcxWidth == nullptr || pcyHeight == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        if(varChild.vt==VT_I4)
+        {
+            if(varChild.lVal==CHILDID_SELF)
+            {
+
+                if (m_xAccessible.is())
+                {
+                    Reference<XAccessibleContext> const pRContext =
+                        m_xAccessible->getAccessibleContext();
+                    if( !pRContext.is() )
+                        return S_FALSE;
+                    Reference< XAccessibleComponent > pRComponent(pRContext,UNO_QUERY);
+                    if( !pRComponent.is() )
+                        return S_FALSE;
+
+                    css::awt::Point pCPoint = pRComponent->getLocationOnScreen();
+                    css::awt::Size pCSize = pRComponent->getSize();
+                    *pxLeft = pCPoint.X;
+                    *pyTop =  pCPoint.Y;
+                    *pcxWidth = pCSize.Width;
+                    *pcyHeight = pCSize.Height;
+                    return S_OK;
+                }
+                else
+                {
+                    *pxLeft = m_sLocation.m_dLeft;
+                    *pyTop = m_sLocation.m_dTop;
+                    *pcxWidth = m_sLocation.m_dWidth;
+                    *pcyHeight = m_sLocation.m_dHeight;
+                    return S_OK;
+                }
+            }
+
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Returns the current focused child to AT.
+* @param    navDir, the direction flag of the navigation.
+* @param    varStart, the start child id of this navigation action.
+* @param    pvarEndUpAt, [in,out] the end up child of this navigation action.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::accNavigate(long navDir, VARIANT varStart, VARIANT *pvarEndUpAt)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarEndUpAt == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        HRESULT ret = E_FAIL;
+        switch (navDir)
+        {
+        case NAVDIR_FIRSTCHILD:
+            ret = GetFirstChild(varStart,pvarEndUpAt);
+            break;
+        case NAVDIR_LASTCHILD:
+            ret = GetLastChild(varStart,pvarEndUpAt);
+            break;
+        case NAVDIR_NEXT:
+            ret = GetNextSibling(varStart,pvarEndUpAt);
+            break;
+        case NAVDIR_PREVIOUS:
+            ret = GetPreSibling(varStart,pvarEndUpAt);
+            break;
+        case NAVDIR_DOWN://do not implement temporarily
+            break;
+        case NAVDIR_UP://do not implement temporarily
+            break;
+        case NAVDIR_LEFT://do not implement temporarily
+            break;
+        case NAVDIR_RIGHT://do not implement temporarily
+            break;
+        default:
+            break;
+        }
+        return ret;
+
+    } catch(...) { return E_FAIL; }
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::accHitTest(long xLeft, long yTop, VARIANT *pvarChild)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarChild == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        long x, y, w, h;
+        VARIANT varSelf;
+        VariantInit(&varSelf);
+        varSelf.vt = VT_I4;
+        varSelf.lVal = CHILDID_SELF;
+        accLocation(&x,&y,&w,&h,varSelf);
+        if( (x < xLeft && (x + w) >xLeft) && (y < yTop && (y + h) >yTop) )
+        {
+            int i, nCount;
+            pvarChild->vt = VT_EMPTY;
+            Reference< XAccessibleContext > pRContext = GetContextByXAcc(m_xAccessible.get());
+            nCount = pRContext->getAccessibleChildCount();
+            if(nCount > 256)
+                return E_FAIL;
+            IMAccessible* child = nullptr;
+            for( i = 0; i<nCount; i++)
+            {
+
+                child = GetChildInterface(i + 1);
+                if(child && child->accHitTest(xLeft,yTop,pvarChild) == S_OK)
+                    break;
+            }
+
+            if(pvarChild->vt == VT_DISPATCH)
+                return S_OK;
+
+            if( i < nCount)
+            {
+                pvarChild->vt = VT_DISPATCH;
+                pvarChild->pdispVal = child;
+                child->AddRef();
+            }
+            else
+            {
+                pvarChild->vt = VT_I4;
+                pvarChild->lVal = CHILDID_SELF;
+            }
+            return S_OK;
+        }
+        return S_FALSE;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Get The other Interface from CMAccessible.
+* @param    guidService, must be IID_IAccessible here.
+* @param    riid, the IID interface .
+* @return   S_OK if successful and S_FALSE if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::QueryService(REFGUID guidService, REFIID riid, void** ppvObject)
+{
+    if( InlineIsEqualGUID(guidService, IID_IAccessible) )
+        return QueryInterface(riid, ppvObject);
+    return S_FALSE;
+}
+
+/**
+* Set the accessible name of the current COM object self or its one child from UNO.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    szName, the name used to set the name of the proper object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::put_accName(VARIANT varChild, BSTR szName)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if(varChild.vt==VT_I4)
+        {
+            if(varChild.lVal==CHILDID_SELF)
+            {
+                SysFreeString(m_pszName);
+                m_pszName=SysAllocString(szName);
+                return S_OK;
+            }
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+            return pChild->put_accName(varChild,szName);
+        }
+        return E_FAIL;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* Set the accessible value of the current COM object self or its one child from UNO.
+* @param    varChild, vt member of varChild must be VT_I4,and lVal member stores the child ID,
+* the child ID specify child index from 0 to children count, 0 stands for object self.
+* @param    szValue, the value used to set the value of the proper object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::put_accValue(VARIANT varChild, BSTR szValue)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if(varChild.vt==VT_I4)
+        {
+            if(varChild.lVal==CHILDID_SELF)
+            {
+                SysFreeString(m_pszValue);
+                m_pszValue=SysAllocString(szValue);
+                return S_OK;
+            }
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+            return pChild->put_accValue(varChild,szValue);
+        }
+        return E_FAIL;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* Set the accessible name of the current COM object self from UNO.
+* @param    pszName, the name value used to set the name of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccName(const OLECHAR __RPC_FAR *pszName)
+{
+    // internal IMAccessible - no mutex meeded
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pszName == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        SysFreeString(m_pszName);
+        m_pszName = SysAllocString(pszName);
+        if(m_pszName==nullptr)
+            return E_FAIL;
+        return S_OK;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* Set the accessible role of the current COM object self from UNO.
+* @param    pRole, the role value used to set the role of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccRole(unsigned short pRole)
+{
+    // internal IMAccessible - no mutex meeded
+
+    m_iRole = pRole;
+    return S_OK;
+}
+
+/**
+* Add one state into the current state set for the current COM object from UNO.
+* @param    pXSate, the state used to set the name of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::DecreaseState(DWORD pXSate)
+{
+    // internal IMAccessible - no mutex meeded
+
+    m_dState &= (~pXSate);
+    return S_OK;
+}
+
+/**
+* Delete one state into the current state set for the current COM object from UNO.
+* @param    pXSate, the state used to set the name of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::IncreaseState(DWORD pXSate)
+{
+    // internal IMAccessible - no mutex meeded
+
+    m_dState |= pXSate;
+    return S_OK;
+}
+
+/**
+* Set state into the current state set for the current COM object from UNO.
+* @param    pXSate, the state used to set the name of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::SetState(DWORD pXSate)
+{
+    // internal IMAccessible - no mutex meeded
+
+    m_dState = pXSate;
+    return S_OK;
+}
+
+/**
+* Set the accessible value of the current COM object self from UNO.
+* @param    pszAccValue, the name used to set the value of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccValue(const OLECHAR __RPC_FAR *pszAccValue)
+{
+    // internal IMAccessible - no mutex meeded
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pszAccValue == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        SysFreeString(m_pszValue);
+        m_pszValue = SysAllocString(pszAccValue);
+        if(m_pszValue==nullptr)
+            return E_FAIL;
+        return S_OK;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* Set the HWND value of the current COM object self from UNO. It should set the parent IAccessible
+* Object through the method AccessibleObjectFromWindow(...).
+* @param    hwnd, the HWND used to set the value of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccWindowHandle(HWND hwnd)
+{
+    // internal IMAccessible - no mutex meeded
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        m_hwnd = hwnd;
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Set accessible focus by specifying child ID
+* @param    dChildID, the child id identifies the focus child.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccFocus(long dChildID)
+{
+    // internal IMAccessible - no mutex meeded
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+
+        if(dChildID==CHILDID_SELF)
+        {
+            if(m_pIParent)
+            {
+                m_pIParent->Put_XAccFocus(m_dChildID);
+            }
+        }
+        else
+        {
+            m_dFocusChildID = dChildID;
+            //traverse all ancestors to set the focused child ID so that when the get_accFocus is called on
+            //any of the ancestors, this id can be used to get the IAccessible of focused object.
+            if(m_pIParent)
+            {
+                m_pIParent->Put_XAccFocus(dChildID);
+            }
+        }
+        return S_OK;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+*Set accessible object location for the current COM object
+* @param    sLocation, the location of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccLocation(const Location sLocation)
+{
+    // internal IMAccessible - no mutex meeded
+
+    this->m_sLocation = sLocation;
+    return S_OK;
+}
+
+/**
+* Set accessible parent object for the current COM object if
+* the current object is a child of some COM object
+* @param    pIParent, the parent of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccParent(IMAccessible __RPC_FAR *pIParent)
+{
+    // internal IMAccessible - no mutex meeded
+
+    this->m_pIParent = pIParent;
+
+    if(pIParent)
+        m_pIParent->AddRef();
+
+    return S_OK;
+}
+
+/**
+* Set unique child id to COM
+* @param    dChildID, the id of the current object.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccChildID(long dChildID)
+{
+    // internal IMAccessible - no mutex meeded
+
+    this->m_dChildID = dChildID;
+    return S_OK;
+}
+
+/**
+* Set AccObjectManagerAgent object pointer to COM
+* @param    pAgent, the AccObjectManagerAgent point.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_XAccAgent(hyper pAgent)
+{
+    // internal IMAccessible - no mutex meeded
+
+    g_pAgent = reinterpret_cast<AccObjectManagerAgent*>(pAgent);
+    return S_OK;
+}
+
+/**
+* When a UNO control disposing, it disposes its listeners,
+* then notify AccObject in bridge management, then notify
+* COM that the XAccessible is invalid, so set m_xAccessible as NULL
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::NotifyDestroy()
+{
+    // internal IMAccessible - no mutex meeded
+
+    m_isDestroy = true;
+    m_xAccessible.clear();
+    return S_OK;
+}
+
+/**
+*private methods that help implement public functions
+*/
+
+/**
+* Return child interface pointer by child ID,note: need to call AddRef()
+* @param    lChildID, specify child index,which AT(such as Inspect32) gives.
+* @return  IMAccessible*, pointer to the corresponding child object.
+*/
+IMAccessible* CMAccessible::GetChildInterface(long dChildID)//for test
+{
+    if(dChildID<0)
+    {
+        if(g_pAgent)
+        {
+            IMAccessible* pIMAcc = nullptr;
+            g_pAgent->GetIAccessibleFromResID(dChildID,&pIMAcc);
+            return pIMAcc;
+        }
+        return nullptr;
+    }
+    else
+    {
+        if (!m_xAccessible.is())
+            return nullptr;
+
+        Reference<XAccessibleContext> const pRContext =
+            m_xAccessible->getAccessibleContext();
+        if( !pRContext.is() )
+            return nullptr;
+
+        if(dChildID<1 || dChildID>pRContext->getAccessibleChildCount())
+            return nullptr;
+
+        IAccessible* pChild = nullptr;
+        Reference< XAccessible > pXChild = pRContext->getAccessibleChild(dChildID-1);
+        bool isGet = get_IAccessibleFromXAccessible(pXChild.get(), &pChild);
+
+        if(!isGet)
+        {
+            g_pAgent->InsertAccObj(pXChild.get(), m_xAccessible.get(), m_hwnd);
+            isGet = get_IAccessibleFromXAccessible(pXChild.get(), &pChild);
+        }
+
+        if(isGet)
+        {
+            IMAccessible* pIMAcc =  static_cast<IMAccessible*>(pChild);
+            return pIMAcc;
+        }
+    }
+
+    return nullptr;
+}
+
+/**
+* for descendantmanager circumstance,provide child interface when navigate
+* @param    varCur, the current child.
+* @param    flags, the navigation direction.
+* @return  IMAccessible*, the child of the end up node.
+*/
+IMAccessible* CMAccessible::GetNavigateChildForDM(VARIANT varCur, short flags)
+{
+
+    XAccessibleContext* pXContext = GetContextByXAcc(m_xAccessible.get());
+    if(pXContext==nullptr)
+    {
+        return nullptr;
+    }
+
+    int count = pXContext->getAccessibleChildCount();
+    if(count<1)
+    {
+        return nullptr;
+    }
+
+    IMAccessible* pCurChild = nullptr;
+    union {
+        XAccessible* pChildXAcc;
+        hyper nHyper = 0;
+    };
+    Reference<XAccessible> pRChildXAcc;
+    XAccessibleContext* pChildContext = nullptr;
+    int index = 0,delta=0;
+    switch(flags)
+    {
+    case DM_FIRSTCHILD:
+        pRChildXAcc = pXContext->getAccessibleChild(0);
+        break;
+    case DM_LASTCHILD:
+        pRChildXAcc = pXContext->getAccessibleChild(count-1);
+        break;
+    case DM_NEXTCHILD:
+    case DM_PREVCHILD:
+        pCurChild = GetChildInterface(varCur.lVal);
+        if(pCurChild==nullptr)
+        {
+            return nullptr;
+        }
+        pCurChild->GetUNOInterface(&nHyper);
+        if(pChildXAcc==nullptr)
+        {
+            return nullptr;
+        }
+        pChildContext = GetContextByXAcc(pChildXAcc);
+        if(pChildContext == nullptr)
+        {
+            return nullptr;
+        }
+        delta = (flags==DM_NEXTCHILD)?1:-1;
+        //currently, getAccessibleIndexInParent is error in UNO for
+        //some kind of List,such as ValueSet, the index will be less 1 than
+        //what should be, need to fix UNO code
+        index = pChildContext->getAccessibleIndexInParent()+delta;
+        if((index>=0)&&(index<=count-1))
+        {
+            pRChildXAcc = pXContext->getAccessibleChild(index);
+        }
+        break;
+    default:
+        break;
+    }
+
+    if(!pRChildXAcc.is())
+    {
+        return nullptr;
+    }
+    pChildXAcc = pRChildXAcc.get();
+    g_pAgent->InsertAccObj(pChildXAcc, m_xAccessible.get());
+    return g_pAgent->GetIMAccByXAcc(pChildXAcc);
+}
+
+/**
+*the following 4 private methods are for accNavigate implementation
+*/
+
+/**
+* Return first child for parent container, process differently according
+* to whether it is descendant manage
+* @param    varStart, the start child id of this navigation action.
+* @param    pvarEndUpAt, [in,out] the end up child of this navigation action.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+HRESULT CMAccessible::GetFirstChild(VARIANT varStart,VARIANT* pvarEndUpAt)
+{
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarEndUpAt == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varStart.vt != VT_I4)
+        {
+            pvarEndUpAt->vt = VT_EMPTY;
+            return E_INVALIDARG;
+        }
+
+        pvarEndUpAt->pdispVal = GetNavigateChildForDM(varStart, DM_FIRSTCHILD);
+        if(pvarEndUpAt->pdispVal)
+        {
+            pvarEndUpAt->pdispVal->AddRef();
+            pvarEndUpAt->vt = VT_DISPATCH;
+            return S_OK;
+        }
+
+        pvarEndUpAt->vt = VT_EMPTY;
+        return E_FAIL;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* Return last child for parent container, process differently according
+* to whether it is descendant manage
+* @param    varStart, the start child id of this navigation action.
+* @param    pvarEndUpAt, [in,out] the end up child of this navigation action.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+HRESULT CMAccessible::GetLastChild(VARIANT varStart,VARIANT* pvarEndUpAt)
+{
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarEndUpAt == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varStart.vt != VT_I4)
+        {
+            pvarEndUpAt->vt = VT_EMPTY;
+            return E_INVALIDARG;
+        }
+
+        pvarEndUpAt->pdispVal = GetNavigateChildForDM(varStart, DM_LASTCHILD);
+        if(pvarEndUpAt->pdispVal)
+        {
+            pvarEndUpAt->pdispVal->AddRef();
+            pvarEndUpAt->vt = VT_DISPATCH;
+            return S_OK;
+        }
+        pvarEndUpAt->vt = VT_EMPTY;
+        return E_FAIL;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* The method GetNextSibling is general, whatever it is descendant manage or not
+* Get the next sibling object.
+* @param    varStart, the start child id of this navigation action.
+* @param    pvarEndUpAt, [in,out] the end up child of this navigation action.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+HRESULT CMAccessible::GetNextSibling(VARIANT varStart,VARIANT* pvarEndUpAt)
+{
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if(varStart.vt != VT_I4)
+        {
+            pvarEndUpAt->vt = VT_EMPTY;
+            return E_INVALIDARG;
+        }
+
+        Reference<XAccessibleContext> const pRContext =
+            GetContextByXAcc(m_xAccessible.get());
+        if(pRContext.is())
+        {
+            varStart.iVal = sal_Int16(pRContext->getAccessibleIndexInParent() + 2);
+            if(m_pIParent)
+                if( m_pIParent->get_accChild(varStart,&pvarEndUpAt->pdispVal) == S_OK)
+                {
+                    pvarEndUpAt->vt = VT_DISPATCH;
+                    return S_OK;
+                }
+        }
+        pvarEndUpAt->vt = VT_EMPTY;
+        return E_FAIL;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+*the method GetPreSibling is general, whatever it is descendant manage or not
+* @param    varStart, the start child id of this navigation action.
+* @param    pvarEndUpAt, [in,out] the end up child of this navigation action.
+* @return   S_OK if successful and E_FAIL if failure.
+*/
+HRESULT CMAccessible::GetPreSibling(VARIANT varStart,VARIANT* pvarEndUpAt)
+{
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pvarEndUpAt == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varStart.vt != VT_I4)
+        {
+            pvarEndUpAt->vt = VT_EMPTY;
+            return E_INVALIDARG;
+        }
+
+        Reference<XAccessibleContext> const pRContext =
+            GetContextByXAcc(m_xAccessible.get());
+        if(pRContext.is())
+        {
+            varStart.iVal = sal_Int16(pRContext->getAccessibleIndexInParent());
+            if(m_pIParent && varStart.iVal > 0)
+                if( m_pIParent->get_accChild(varStart,&pvarEndUpAt->pdispVal) == S_OK)
+                {
+                    pvarEndUpAt->vt = VT_DISPATCH;
+                    return S_OK;
+                }
+        }
+        pvarEndUpAt->vt = VT_EMPTY;
+        return E_FAIL;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* For IAccessible2 implementation methods
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_nRelations( long __RPC_FAR *nRelations)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+
+        // #CHECK#
+        if(nRelations == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        *nRelations = 0;
+
+        if (!m_xContext.is())
+            return E_FAIL;
+        Reference<XAccessibleRelationSet> pRrelationSet =
+            m_xContext->getAccessibleRelationSet();
+        if(!pRrelationSet.is())
+        {
+            *nRelations = 0;
+            return S_OK;
+        }
+
+        *nRelations = pRrelationSet->getRelationCount();
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_relation( long relationIndex, IAccessibleRelation __RPC_FAR *__RPC_FAR *relation)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(relation == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        if (!m_xContext.is())
+            return E_FAIL;
+
+
+        long nMax = 0;
+        get_nRelations(&nMax);
+
+        *relation = static_cast<IAccessibleRelation*>(::CoTaskMemAlloc(sizeof(IAccessibleRelation)));
+
+        // #CHECK Memory Allocation#
+        if(*relation == nullptr)
+        {
+            return E_FAIL;
+        }
+
+        if( relationIndex < nMax )
+        {
+            Reference<XAccessibleRelationSet> const pRrelationSet =
+                m_xContext->getAccessibleRelationSet();
+            if(!pRrelationSet.is())
+            {
+
+                return E_FAIL;
+            }
+
+            IAccessibleRelation* pRelation = nullptr;
+            HRESULT hr = createInstance<CAccRelation>(IID_IAccessibleRelation,
+                            &pRelation);
+            if(SUCCEEDED(hr))
+            {
+                IUNOXWrapper* wrapper = nullptr;
+                hr = pRelation->QueryInterface(IID_IUNOXWrapper, reinterpret_cast<void**>(&wrapper));
+                if(SUCCEEDED(hr))
+                {
+                    AccessibleRelation accRelation = pRrelationSet->getRelation(relationIndex);
+                    wrapper->put_XSubInterface(
+                            reinterpret_cast<hyper>(&accRelation));
+                    wrapper->Release();
+                    *relation = pRelation;
+                    return S_OK;
+                }
+
+            }
+        }
+
+        return E_FAIL;
+
+    } catch(...) { return E_FAIL; }
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_relations( long, IAccessibleRelation __RPC_FAR *__RPC_FAR *relation, long __RPC_FAR *nRelations)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+
+        // #CHECK#
+        if(relation == nullptr || nRelations == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        // #CHECK XInterface#
+
+        if (!m_xContext.is())
+            return E_FAIL;
+
+        Reference<XAccessibleRelationSet> const pRrelationSet =
+            m_xContext->getAccessibleRelationSet();
+        if(!pRrelationSet.is())
+        {
+            *nRelations = 0;
+            return S_OK;
+        }
+
+        long nCount = pRrelationSet->getRelationCount();
+
+        *relation = static_cast<IAccessibleRelation*>(::CoTaskMemAlloc(nCount*sizeof(IAccessibleRelation)));
+
+        // #CHECK Memory Allocation#
+        if(*relation == nullptr)
+        {
+            return E_FAIL;
+        }
+
+        for(int i=0; i<nCount ; i++)
+        {
+            IAccessibleRelation* pRelation = nullptr;
+            HRESULT hr = createInstance<CAccRelation>(IID_IAccessibleRelation,
+                            &pRelation);
+            if(SUCCEEDED(hr))
+            {
+                IUNOXWrapper* wrapper = nullptr;
+                hr = pRelation->QueryInterface(IID_IUNOXWrapper, reinterpret_cast<void**>(&wrapper));
+                if(SUCCEEDED(hr))
+                {
+                    AccessibleRelation accRelation = pRrelationSet->getRelation(i);
+                    wrapper->put_XSubInterface(
+                            reinterpret_cast<hyper>(&accRelation));
+                    wrapper->Release();
+                }
+                relation[i] = pRelation;
+            }
+        }
+
+        *nRelations = nCount;
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::role(long __RPC_FAR *role)
+{
+    SolarMutexGuard g;
+
+    try {
+
+        (*role) = m_iRole;
+
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_nActions(long __RPC_FAR *nActions)
+{
+    SolarMutexGuard g;
+
+    try
+    {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(nActions == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        *nActions = 0;
+        IAccessibleAction* pAcc = nullptr;
+        HRESULT hr = QueryInterface(IID_IAccessibleAction, reinterpret_cast<void**>(&pAcc));
+        if( hr == S_OK )
+        {
+            pAcc->nActions(nActions);
+            pAcc->Release();
+        }
+
+        return S_OK;
+    }
+    catch(...)
+    {
+        *nActions = 0;
+        return S_OK;
+    }
+}
+
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::scrollToPoint(enum IA2CoordinateType, long, long)
+{
+    return E_NOTIMPL;
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::scrollTo(enum IA2ScrollType)
+{
+    return E_NOTIMPL;
+}
+
+static XAccessible* getTheParentOfMember(XAccessible* pXAcc)
+{
+    // #CHECK#
+    if(pXAcc == nullptr)
+    {
+        return nullptr;
+    }
+    Reference<XAccessibleContext> pRContext = pXAcc->getAccessibleContext();
+    Reference<XAccessibleRelationSet> pRrelationSet = pRContext->getAccessibleRelationSet();
+    sal_Int32 nRelations = pRrelationSet->getRelationCount();
+    for(sal_Int32 i=0 ; i<nRelations ; i++)
+    {
+        AccessibleRelation accRelation = pRrelationSet->getRelation(i);
+        if(accRelation.RelationType == 7)
+        {
+            Sequence< Reference< XInterface > > xTargets = accRelation.TargetSet;
+            return static_cast<XAccessible*>(xTargets[0].get());
+        }
+    }
+    return nullptr;
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_groupPosition(long __RPC_FAR *groupLevel,long __RPC_FAR *similarItemsInGroup,long __RPC_FAR *positionInGroup)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(groupLevel == nullptr || similarItemsInGroup == nullptr || positionInGroup == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        if (!m_xAccessible.is())
+            return E_FAIL;
+
+        Reference<XAccessibleContext> const pRContext =
+            m_xAccessible->getAccessibleContext();
+        if(!pRContext.is())
+            return E_FAIL;
+        long Role = pRContext->getAccessibleRole();
+
+        *groupLevel = 0;
+        *similarItemsInGroup = 0;
+        *positionInGroup = 0;
+
+        if (Role != AccessibleRole::DOCUMENT && Role != AccessibleRole::DOCUMENT_PRESENTATION &&
+                Role != AccessibleRole::DOCUMENT_SPREADSHEET && Role != AccessibleRole::DOCUMENT_TEXT)
+        {
+            Reference< XAccessibleGroupPosition > xGroupPosition( pRContext, UNO_QUERY );
+            if ( xGroupPosition.is() )
+            {
+                Sequence< sal_Int32 > rSeq = xGroupPosition->getGroupPosition( Any( pRContext ) );
+                if (rSeq.getLength() >= 3)
+                {
+                    *groupLevel = rSeq[0];
+                    *similarItemsInGroup = rSeq[1];
+                    *positionInGroup = rSeq[2];
+                    return S_OK;
+                }
+                return S_OK;
+            }
+        }
+
+        Reference< XAccessible> pParentAcc = pRContext->getAccessibleParent();
+        if( !pParentAcc.is() )
+        {
+            return S_OK;
+        }
+
+        Reference<XAccessibleContext> pRParentContext = pParentAcc->getAccessibleContext();
+
+        if( Role ==  RADIO_BUTTON )
+        {
+            int index = 0;
+            int number = 0;
+            Reference<XAccessibleRelationSet> pRrelationSet = pRContext->getAccessibleRelationSet();
+            long nRel = pRrelationSet->getRelationCount();
+            for(int i=0 ; i<nRel ; i++)
+            {
+                AccessibleRelation accRelation = pRrelationSet->getRelation(i);
+                if(accRelation.RelationType == 7)
+                {
+                    Sequence< Reference< XInterface > > xTargets = accRelation.TargetSet;
+
+                    Reference<XInterface> pRAcc = xTargets[0];
+                    for(int j=0; j<pRParentContext->getAccessibleChildCount(); j++)
+                    {
+                        if( getTheParentOfMember(pRParentContext->getAccessibleChild(j).get())
+                            == static_cast<XAccessible*>(pRAcc.get()) &&
+                            pRParentContext->getAccessibleChild(j)->getAccessibleContext()->getAccessibleRole() == RADIO_BUTTON)
+                            number++;
+                        if (pRParentContext->getAccessibleChild(j).get() == m_xAccessible.get())
+                            index = number;
+                    }
+                }
+            }
+            *groupLevel = 1;
+            *similarItemsInGroup = number;
+            *positionInGroup = index;
+            return S_OK;
+        }
+
+        else if ( COMBO_BOX == Role )
+        {
+            *groupLevel = 1;
+            *similarItemsInGroup = 0;
+            *positionInGroup = -1;
+
+            long nCount = pRContext->getAccessibleChildCount();
+            if( 2 != nCount)
+            {
+                return S_OK;
+            }
+            Reference<XAccessible> xList=pRContext->getAccessibleChild(1);
+            if (!xList.is())
+            {
+                return S_OK;
+            }
+            Reference<XAccessibleContext> xListContext(xList,UNO_QUERY);
+            if (!xListContext.is())
+            {
+                return S_OK;
+            }
+            Reference<XAccessibleSelection> xListSel(xList,UNO_QUERY);
+            if (!xListSel.is())
+            {
+                return S_OK;
+            }
+            *similarItemsInGroup = xListContext->getAccessibleChildCount();
+            if (*similarItemsInGroup > 0 )
+            {
+                try
+                {
+                    Reference<XAccessible> xChild = xListSel->getSelectedAccessibleChild(0);
+                    if (xChild.is())
+                    {
+                        Reference<XAccessibleContext> xChildContext(xChild,UNO_QUERY);
+                        if (xChildContext.is())
+                        {
+                            *positionInGroup=xChildContext->getAccessibleIndexInParent() + 1 ;
+                            return S_OK;
+                        }
+                    }
+                }
+                catch(...)
+                {}
+            }
+            return S_OK;
+        }
+        else if ( PAGE_TAB == Role )
+        {
+            *groupLevel = 1;
+            *similarItemsInGroup = pRParentContext->getAccessibleChildCount();
+
+            if (*similarItemsInGroup > 0 )
+            {
+                *positionInGroup=pRContext->getAccessibleIndexInParent() + 1 ;
+            }
+            else
+            {
+                *positionInGroup = -1;
+            }
+            return S_OK;
+        }
+
+        int level = 0;
+        bool isFound = false;
+        while( pParentAcc.is() && !isFound)
+        {
+            level++;
+            pRParentContext = pParentAcc->getAccessibleContext();
+            Role = pRParentContext->getAccessibleRole();
+            if( (Role == TREE) || (Role == LIST) )
+                isFound = true;
+            pParentAcc = pRParentContext->getAccessibleParent();
+        }
+
+        if( isFound )
+        {
+            Reference< XAccessible> pTempAcc = pRContext->getAccessibleParent();
+            pRParentContext = pTempAcc->getAccessibleContext();
+            *groupLevel = level;
+            *similarItemsInGroup = pRParentContext->getAccessibleChildCount();
+            *positionInGroup = pRContext->getAccessibleIndexInParent() + 1;
+        }
+        else
+        {
+            *groupLevel = 0;
+            *similarItemsInGroup = 0;
+            *positionInGroup = 0;
+        }
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_extendedStates(long, BSTR __RPC_FAR *__RPC_FAR *, long __RPC_FAR *)
+{
+    return E_NOTIMPL;
+}
+
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_uniqueID(long __RPC_FAR *uniqueID)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(uniqueID == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        *uniqueID = m_dChildID;
+        return S_OK;
+
+        } catch(...) { return E_FAIL; }
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_windowHandle(HWND __RPC_FAR *windowHandle)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(windowHandle == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+
+        HWND nHwnd = m_hwnd;
+        IAccessible* pParent = m_pIParent;
+        while((nHwnd==nullptr) && pParent)
+        {
+            if (CMAccessible* pChild = dynamic_cast<CMAccessible*>(pParent))
+            {
+                pParent = pChild->m_pIParent;
+                nHwnd = pChild->m_hwnd;
+            }
+            else
+                pParent = nullptr;
+        }
+
+        *windowHandle = nHwnd;
+        return S_OK;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* Get XAccessibleContext directly from UNO by the stored XAccessible pointer
+* @param    pXAcc, UNO XAccessible object point.
+* @return   XAccessibleContext*, the context of the pXAcc.
+*/
+XAccessibleContext* CMAccessible::GetContextByXAcc( XAccessible* pXAcc )
+{
+    Reference< XAccessibleContext > pRContext;
+    if( pXAcc == nullptr)
+        return nullptr;
+
+    pRContext = pXAcc->getAccessibleContext();
+    if( !pRContext.is() )
+        return nullptr;
+    return pRContext.get();
+}
+
+/**
+* Return the member variable m_pXAccessibleSelection, instead of
+* get XAccessibleSelection according to XAccessibleContext because if so,it will
+* depend on the UNO implementation code,so when COM is created, put XAccessibleSelection
+* by bridge management system
+* @return   XAccessibleSelection*, the selection of the current object.
+*/
+Reference< XAccessibleSelection > CMAccessible::GetSelection()
+{
+    if (!m_xAccessible.is())
+        return nullptr;
+    Reference<XAccessibleContext> const pRContext =
+        m_xAccessible->getAccessibleContext();
+    if(pRContext.is())
+    {
+        Reference< XAccessibleSelection > pRSelection(pRContext,UNO_QUERY);
+        return pRSelection;
+    }
+    return nullptr;
+}
+
+/**
+* Select one XAccessible item, for accSelect implementation
+* @param    pItem, the item should be selected.
+* @return  S_OK if successful.
+*/
+HRESULT CMAccessible::SelectChild(XAccessible* pItem)
+{
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        XAccessibleContext* pParentContext = GetContextByXAcc(m_xAccessible.get());
+        XAccessibleContext* pContext = GetContextByXAcc( pItem );
+        if( pParentContext == nullptr || pContext == nullptr )
+            return E_FAIL;
+
+        Reference< XAccessibleSelection > pRSelection = GetSelection();
+        if( !pRSelection.is() )
+            return E_FAIL;
+        long Index = pContext->getAccessibleIndexInParent();
+        pRSelection->selectAccessibleChild( Index );
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Deselect one XAccessible item, for accSelect implementation
+* @param    pItem, the item should be deselected.
+* @return  S_OK if successful.
+*/
+HRESULT CMAccessible::DeSelectChild(XAccessible* pItem)
+{
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        XAccessibleContext* pParentContext = GetContextByXAcc(m_xAccessible.get());
+        ;
+        XAccessibleContext* pContext = GetContextByXAcc( pItem );
+        if( pParentContext == nullptr || pContext == nullptr )
+            return E_INVALIDARG;
+
+        Reference< XAccessibleSelection > pRSelection = GetSelection();
+        if( !pRSelection.is() )
+            return E_FAIL;
+        long Index = pContext->getAccessibleIndexInParent();
+        pRSelection->deselectAccessibleChild( Index );
+
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Select multiple XAccessible items,for implementation of accSelect
+* @param    pItem, the items should be selected.
+* @param    size, the size of the items.
+* @return  S_OK if successful.
+*/
+HRESULT CMAccessible::SelectMultipleChidren( XAccessible** pItem,int size )
+{
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pItem == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        for(int index = 0;index < size;index++)
+        {
+            SelectChild( pItem[index] );
+        }
+        return S_OK;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* Deselect multiple XAccessible items,for implementation of accSelect
+* @param    pItem, the items should be selected.
+* @param    size, the size of the items.
+* @return  S_OK if successful.
+*/
+HRESULT CMAccessible::DeSelectMultipleChildren( XAccessible** pItem,int size )
+{
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pItem == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        for(int index = 0;index < size;index++)
+        {
+            DeSelectChild( pItem[index] );
+        }
+        return S_OK;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* When COM is created, UNO set XAccessible pointer to it
+* in order to COM can operate UNO information
+* @param    pXAcc, the XAccessible object of current object.
+* @return  S_OK if successful.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::SetXAccessible(hyper pXAcc)
+{
+    // internal IMAccessible - no mutex meeded
+
+    m_xAccessible = reinterpret_cast<XAccessible*>(pXAcc);
+    m_pEnumVar->PutSelection(/*XAccessibleSelection*/
+            reinterpret_cast<hyper>(m_xAccessible.get()));
+
+    m_xContext = m_xAccessible->getAccessibleContext();
+
+    return S_OK;
+}
+
+/**
+* accSelect method has many optional flags, needs to process comprehensively
+* Mozilla and Microsoft do not implement SELFLAG_EXTENDSELECTION flag.
+* The implementation of this flag is a little trouble-shooting,so we also
+* do not implement it now
+* @param    flagsSelect, the selection flag of the select action.
+* @param    varChild, the child object pointer of current action.
+* @return  S_OK if successful.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::accSelect(long flagsSelect, VARIANT varChild)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if( (flagsSelect&SELFLAG_ADDSELECTION) &&
+            (SELFLAG_REMOVESELECTION&flagsSelect) )
+            return E_INVALIDARG;
+
+        if ( (flagsSelect&SELFLAG_TAKESELECTION) &&
+             (
+                 (flagsSelect&SELFLAG_ADDSELECTION) ||
+                 (flagsSelect&SELFLAG_REMOVESELECTION) ||
+                 (flagsSelect&SELFLAG_EXTENDSELECTION )
+             )
+            )
+            return E_INVALIDARG;
+
+        if ( varChild.vt != VT_I4 )
+            return E_INVALIDARG;
+
+        IMAccessible* pSelectAcc;
+        if( varChild.lVal == CHILDID_SELF )
+        {
+            pSelectAcc = this;
+            pSelectAcc->AddRef();
+        }
+        else
+        {
+            pSelectAcc = GetChildInterface(varChild.lVal);
+        }
+
+        if( pSelectAcc == nullptr )
+            return E_INVALIDARG;
+
+        if( flagsSelect&SELFLAG_TAKEFOCUS )
+        {
+            union {
+                XAccessible* pTempUNO;
+                hyper nHyper = 0;
+            };
+            pSelectAcc->GetUNOInterface(&nHyper);
+
+            if( pTempUNO == nullptr )
+                return 0;
+
+            Reference<XAccessibleContext> pRContext = pTempUNO->getAccessibleContext();
+            Reference< XAccessibleComponent > pRComponent(pRContext,UNO_QUERY);
+            Reference< XAccessible > pRParentXAcc = pRContext->getAccessibleParent();
+            Reference< XAccessibleContext > pRParentContext = pRParentXAcc->getAccessibleContext();
+            Reference< XAccessibleComponent > pRParentComponent(pRParentContext,UNO_QUERY);
+            Reference< XAccessibleSelection > pRParentSelection(pRParentContext,UNO_QUERY);
+
+
+            pRComponent->grabFocus();
+
+            if( flagsSelect & SELFLAG_TAKESELECTION )
+            {
+                pRParentSelection->clearAccessibleSelection();
+                pRParentSelection->selectAccessibleChild( pRContext->getAccessibleIndexInParent() );
+            }
+
+            if( flagsSelect & SELFLAG_ADDSELECTION  )
+            {
+                pRParentSelection->selectAccessibleChild( pRContext->getAccessibleIndexInParent() );
+            }
+
+            if( flagsSelect & SELFLAG_REMOVESELECTION )
+            {
+                pRParentSelection->deselectAccessibleChild( pRContext->getAccessibleIndexInParent() );
+            }
+
+            if( flagsSelect & SELFLAG_EXTENDSELECTION  )
+            {
+                long indexInParrent = pRContext->getAccessibleIndexInParent();
+
+                if( pRParentSelection->isAccessibleChildSelected( indexInParrent + 1 ) ||
+                    pRParentSelection->isAccessibleChildSelected( indexInParrent - 1 ) )
+                {
+                    pRParentSelection->selectAccessibleChild( indexInParrent );
+                }
+            }
+
+        }
+
+        pSelectAcc->Release();
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* Return XAccessible interface pointer when needed
+* @param pXAcc, [in, out] the Uno interface of the current object.
+* @return S_OK if successful.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::GetUNOInterface(hyper * pXAcc)
+{
+    // internal IMAccessible - no mutex meeded
+
+    if(pXAcc == nullptr)
+        return E_INVALIDARG;
+
+    *pXAcc = reinterpret_cast<hyper>(m_xAccessible.get());
+    return S_OK;
+}
+
+/**
+* Helper method for Implementation of get_accDefaultAction
+* @param pAction, the default action point of the current object.
+* @return S_OK if successful.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::SetDefaultAction(hyper pAction)
+{
+    // internal IMAccessible - no mutex meeded
+
+    m_xAction = reinterpret_cast<XAccessibleAction*>(pAction);
+    return S_OK;
+}
+
+/**
+* This method is called when AT open some UI elements initially
+* the UI element takes the default action defined here
+* @param varChild, the child id of the defaultaction.
+* @param pszDefaultAction,[in/out] the description of the current action.
+* @return S_OK if successful.
+*/
+COM_DECLSPEC_NOTHROW HRESULT STDMETHODCALLTYPE CMAccessible::get_accDefaultAction(VARIANT varChild, BSTR *pszDefaultAction)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(pszDefaultAction == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        if(varChild.vt==VT_I4)
+        {
+            if(varChild.lVal==CHILDID_SELF)
+            {
+                if (!m_xAction.is())
+                    return DISP_E_MEMBERNOTFOUND;
+                SysFreeString(*pszDefaultAction);
+                *pszDefaultAction = SysAllocString(m_pszActionDescription);
+                return S_OK;
+            }
+
+            long lVal = varChild.lVal;
+            varChild.lVal = CHILDID_SELF;
+            IMAccessible *pChild = this->GetChildInterface(lVal);
+            if(!pChild)
+                return E_FAIL;
+            return pChild->get_accDefaultAction(varChild,pszDefaultAction);
+        }
+        return S_FALSE;
+
+        } catch(...) { return E_FAIL; }
+}
+
+/**
+* AT call this method to operate application
+* @param varChild, the child id of the action object.
+* @return S_OK if successful.
+*/
+COM_DECLSPEC_NOTHROW HRESULT STDMETHODCALLTYPE CMAccessible::accDoDefaultAction(VARIANT varChild)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if( varChild.vt != VT_I4 )
+            return E_INVALIDARG;
+        if (!m_xAction.is())
+            return E_FAIL;
+        if (m_xAction->getAccessibleActionCount() == 0)
+            return E_FAIL;
+
+        if(varChild.lVal==CHILDID_SELF)
+        {
+            if (m_xAction->getAccessibleActionCount() > 0)
+                m_xAction->doAccessibleAction(0);
+            return S_OK;
+        }
+
+        long lVal = varChild.lVal;
+        varChild.lVal = CHILDID_SELF;
+        IMAccessible *pChild = this->GetChildInterface(lVal);
+        if(!pChild)
+            return E_FAIL;
+        return pChild->accDoDefaultAction( varChild );
+
+    } catch(...) { return E_FAIL; }
+}
+
+/**
+* UNO set description information for action to COM.
+* @param szAction, the action description of the current object.
+* @return S_OK if successful.
+*/
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::Put_ActionDescription( const OLECHAR* szAction)
+{
+    // internal IMAccessible - no mutex meeded
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(szAction == nullptr)
+        {
+            return E_INVALIDARG;
+        }
+        SysFreeString(m_pszActionDescription );
+        m_pszActionDescription = SysAllocString( szAction );
+        return S_OK;
+
+        } catch(...) { return E_FAIL; }
+}
+
+bool CMAccessible::GetXInterfaceFromXAccessible(XAccessible* pXAcc, XInterface** ppXI, XInterfaceType eType)
+{
+    switch(eType)
+    {
+    case XInterfaceType::XI_COMPONENT:
+        return queryXInterface<XAccessibleComponent>(pXAcc, ppXI);
+    case XInterfaceType::XI_TEXT:
+        return queryXInterface<XAccessibleText>(pXAcc, ppXI);
+    case XInterfaceType::XI_EDITABLETEXT:
+        return queryXInterface<XAccessibleEditableText>(pXAcc, ppXI);
+    case XInterfaceType::XI_TABLE:
+        return queryXInterface<XAccessibleTable>(pXAcc, ppXI);
+    case XInterfaceType::XI_TABLECELL:
+        // needs specific handling, since there's no XInterface for table cells
+        return queryTableCell(pXAcc, ppXI);
+    case XInterfaceType::XI_SELECTION:
+        return queryXInterface<XAccessibleSelection>(pXAcc, ppXI);
+    case XInterfaceType::XI_EXTENDEDCOMP:
+        return queryXInterface<XAccessibleExtendedComponent>(pXAcc, ppXI);
+    case XInterfaceType::XI_KEYBINDING:
+        return queryXInterface<XAccessibleKeyBinding>(pXAcc, ppXI);
+    case XInterfaceType::XI_ACTION:
+        return queryXInterface<XAccessibleAction>(pXAcc, ppXI);
+    case XInterfaceType::XI_VALUE:
+        return queryXInterface<XAccessibleValue>(pXAcc, ppXI);
+    case XInterfaceType::XI_HYPERTEXT:
+        return queryXInterface<XAccessibleHypertext>(pXAcc, ppXI);
+    case XInterfaceType::XI_HYPERLINK:
+        return queryXInterface<XAccessibleHyperlink>(pXAcc, ppXI);
+    case XInterfaceType::XI_IMAGE:
+        return queryXInterface<XAccessibleImage>(pXAcc, ppXI);
+    default:
+        return false;
+    }
+}
+
+template<typename T> static HRESULT
+createAggInstance(CMAccessible &rOuter, void ** ppvObject)
+{
+    // Note: CComAggObject has special handling for IUnknown - must
+    // query for that when creating it! Otherwise we get a T member of it
+    // which will redirect QueryInterface back to CMAccessible infinitely.
+    // (CComAggObject has its own ref-count too which is not a problem
+    //  since it is inserted in m_containedObjects.)
+    return CComCreator< CComAggObject<T> >::CreateInstance(
+            rOuter.GetControllingUnknown(), IID_IUnknown, ppvObject);
+}
+
+typedef HRESULT (AggCreatorFunc)(CMAccessible &, void **);
+
+namespace {
+
+struct AggMapEntry
+{
+    const IID* piid;
+    AggCreatorFunc* pfnCreateInstance;
+    const XInterfaceType eXInterfaceType;
+};
+
+}
+
+static AggMapEntry g_CMAccessible_AggMap[] = {
+    { &IID_IAccessibleComponent, &createAggInstance<CAccComponent>, XInterfaceType::XI_COMPONENT },
+    { &IID_IAccessibleText, &createAggInstance<CAccText>, XInterfaceType::XI_TEXT },
+    { &IID_IAccessibleEditableText, &createAggInstance<CAccEditableText>, XInterfaceType::XI_EDITABLETEXT },
+    { &IID_IAccessibleImage, &createAggInstance<CAccImage>, XInterfaceType::XI_IMAGE },
+    { &IID_IAccessibleTable, &createAggInstance<CAccTable>, XInterfaceType::XI_TABLE },
+    { &IID_IAccessibleTable2, &createAggInstance<CAccTable>, XInterfaceType::XI_TABLE },
+    { &IID_IAccessibleTableCell, &createAggInstance<CAccTableCell>, XInterfaceType::XI_TABLECELL },
+    { &IID_IAccessibleAction, &createAggInstance<CAccAction>, XInterfaceType::XI_ACTION },
+    { &IID_IAccessibleValue, &createAggInstance<CAccValue>, XInterfaceType::XI_VALUE },
+    { &IID_IAccessibleHypertext, &createAggInstance<CAccHypertext>, XInterfaceType::XI_HYPERTEXT },
+    { &IID_IAccessibleHyperlink, &createAggInstance<CAccHyperLink>, XInterfaceType::XI_HYPERLINK }
+};
+
+
+HRESULT WINAPI CMAccessible::SmartQI(void* /*pv*/, REFIID iid, void** ppvObject)
+{
+    try {
+
+    if (m_isDestroy) return S_FALSE;
+    if (InlineIsEqualGUID(iid,IID_IAccIdentity) ||
+        InlineIsEqualGUID(iid,IID_IStdMarshalInfo) ||
+        InlineIsEqualGUID(iid,IID_IMarshal) ||
+        InlineIsEqualGUID(iid,IID_IExternalConnection)||
+        InlineIsEqualGUID(iid,IID_IOleWindow))
+    {
+        return E_FAIL;
+    }
+
+    for (const AggMapEntry& rEntry : g_CMAccessible_AggMap)
+    {
+        if (InlineIsEqualGUID(iid, *rEntry.piid))
+        {
+            SolarMutexGuard g;
+
+            XInterface* pXI = nullptr;
+            bool bFound = GetXInterfaceFromXAccessible(m_xAccessible.get(),
+                                &pXI, rEntry.eXInterfaceType);
+            if(!bFound)
+            {
+                return E_FAIL;
+            }
+
+            XGUIDToComObjHash::iterator pIndTemp = m_containedObjects.find( iid );
+            if ( pIndTemp != m_containedObjects.end() )
+            {
+                return pIndTemp->second.p->QueryInterface( iid, ppvObject );
+            }
+            else
+            {
+                HRESULT hr = rEntry.pfnCreateInstance(*this, ppvObject);
+                assert(hr == S_OK);
+                if(hr == S_OK)
+                {
+                    m_containedObjects.emplace(*rEntry.piid, static_cast<IUnknown*>(*ppvObject));
+                    IUNOXWrapper* wrapper = nullptr;
+                    static_cast<IUnknown*>(*ppvObject)->QueryInterface(IID_IUNOXWrapper, reinterpret_cast<void**>(&wrapper));
+                    if(wrapper)
+                    {
+                        wrapper->put_XInterface(
+                                reinterpret_cast<hyper>(m_xAccessible.get()));
+                        wrapper->Release();
+                    }
+                    return S_OK;
+                }
+            }
+            return E_FAIL;
+        }
+    }
+    return E_FAIL;
+
+    } catch(...) { return E_FAIL; }
+}
+
+bool CMAccessible::get_IAccessibleFromXAccessible(XAccessible* pXAcc, IAccessible** ppIA)
+{
+    try
+    {
+        // #CHECK#
+        if(ppIA == nullptr)
+        {
+            return false;
+        }
+        bool isGet = false;
+        if(g_pAgent)
+            isGet = g_pAgent->GetIAccessibleFromXAccessible(pXAcc, ppIA);
+
+        return isGet;
+    }
+    catch(...)
+    {
+        return false;
+    }
+}
+
+OUString CMAccessible::get_StringFromAny(Any const & pAny)
+{
+    switch(pAny.getValueTypeClass())
+    {
+    case TypeClass_CHAR:
+        {
+            sal_Int8 val;
+            pAny >>= val;
+            return OUString::number(val);
+        }
+    case TypeClass_BOOLEAN:
+        {
+            bool val;
+            pAny >>= val;
+            return OUString::number(int(val));
+        }
+    case TypeClass_BYTE:
+        {
+            sal_Int8 val;
+            pAny >>= val;
+            return OUString::number(val);
+        }
+    case TypeClass_SHORT:
+        {
+            sal_Int16 val;
+            pAny >>= val;
+            return OUString::number(val);
+        }
+    case TypeClass_UNSIGNED_SHORT:
+        {
+            sal_uInt16 val;
+            pAny >>= val;
+            return OUString::number(val);
+        }
+    case TypeClass_LONG:
+        {
+            sal_Int32 val;
+            pAny >>= val;
+            return OUString::number(val);
+        }
+    case TypeClass_UNSIGNED_LONG:
+        {
+            sal_uInt32 val;
+            pAny >>= val;
+            return OUString::number(val);
+        }
+    case TypeClass_FLOAT:
+        {
+            float val;
+            pAny >>= val;
+            return OUString::number(val);
+        }
+    case TypeClass_DOUBLE:
+        {
+            double val;
+            pAny >>= val;
+            return OUString::number(val);
+        }
+    case TypeClass_STRING:
+        {
+            OUString val;
+            pAny >>= val;
+            return val;
+        }
+    case TypeClass_SEQUENCE:
+        {
+            if(pAny.getValueType() == cppu::UnoType<Sequence< OUString >>::get())
+            {
+                Sequence < OUString > val;
+                pAny >>= val;
+
+                OUStringBuffer pString;
+
+                for (const OUString& rElem : val)
+                    pString.append(rElem);
+
+                return pString.makeStringAndClear();
+            }
+            else if (pAny.getValueType() == cppu::UnoType<Sequence< css::style::TabStop >>::get())
+            {
+                Sequence < css::style::TabStop > val;
+                pAny >>= val;
+
+                OUStringBuffer buf;
+                for (const css::style::TabStop& rSingleVal : val)
+                {
+                    buf.append("Position=");
+                    buf.append(rSingleVal.Position);
+                    buf.append(",TabAlign=");
+                    buf.append(sal_Int32(rSingleVal.Alignment));
+                    buf.append(",");
+
+                    buf.append("DecimalChar=");
+                    if (rSingleVal.DecimalChar==';' || rSingleVal.DecimalChar == ':' || rSingleVal.DecimalChar == ',' ||
+                        rSingleVal.DecimalChar == '=' || rSingleVal.DecimalChar == '\\')
+                        buf.append('\\');
+                    buf.append(rSingleVal.DecimalChar);
+                    buf.append(",");
+
+                    buf.append("FillChar=");
+                    if (rSingleVal.FillChar==';' || rSingleVal.FillChar == ':' || rSingleVal.FillChar == ',' ||
+                        rSingleVal.FillChar == '=' || rSingleVal.FillChar == '\\')
+                        buf.append('\\');
+                    buf.append(rSingleVal.FillChar);
+                    buf.append(",");
+                }
+                return buf.makeStringAndClear();
+            }
+            break;
+        }
+    case TypeClass_ENUM:
+        {
+            if (pAny.getValueType() == cppu::UnoType<css::awt::FontSlant>::get())
+            {
+                css::awt::FontSlant val;
+                pAny >>= val;
+                return OUString::number(sal_Int32(val));
+            }
+            break;
+        }
+    case TypeClass_STRUCT:
+        {
+            if (pAny.getValueType() == cppu::UnoType<css::style::LineSpacing>::get())
+            {
+                css::style::LineSpacing val;
+                pAny >>= val;
+                return "Mode=" + OUString::number(val.Mode) + ",Height="
+                    + OUString::number(val.Height) + ",";
+            }
+            else if (pAny.getValueType() == cppu::UnoType<css::accessibility::TextSegment>::get())
+            {
+                css::accessibility::TextSegment val;
+                pAny >>= val;
+                return val.SegmentText;
+            }
+            break;
+        }
+    case TypeClass_VOID:
+    case TypeClass_HYPER:
+    case TypeClass_UNSIGNED_HYPER:
+    case TypeClass_TYPE:
+    case TypeClass_ANY:
+    case TypeClass_TYPEDEF:
+    case TypeClass_EXCEPTION:
+    case TypeClass_INTERFACE:
+    case TypeClass_SERVICE:
+    case TypeClass_MODULE:
+    case TypeClass_INTERFACE_METHOD:
+    case TypeClass_INTERFACE_ATTRIBUTE:
+    case TypeClass_UNKNOWN:
+    case TypeClass_PROPERTY:
+    case TypeClass_CONSTANT:
+    case TypeClass_CONSTANTS:
+    case TypeClass_SINGLETON:
+        break;
+    default:
+        break;
+    }
+    return OUString();
+}
+
+OUString CMAccessible::get_String4Numbering(const Any& pAny, sal_Int16 numberingLevel,std::u16string_view numberingPrefix)
+{
+    Reference< css::container::XIndexReplace > pXIndex;
+    if((pAny>>=pXIndex) && (numberingLevel !=-1))//numbering level is -1,means invalid value
+    {
+        Any aAny = pXIndex->getByIndex(numberingLevel);
+        Sequence< css::beans::PropertyValue > aProps;
+        aAny >>= aProps;
+        OUStringBuffer buf("Numbering:NumberingLevel=");
+        buf.append(sal_Int32(numberingLevel));
+        buf.append(',');
+        for (const css::beans::PropertyValue& rProp : aProps)
+        {
+            if( (rProp.Name == "BulletChar" ) ||
+                (rProp.Name == "NumberingType" ))
+            {
+                buf.append(rProp.Name);
+                buf.append('=');
+                auto const pTemp = CMAccessible::get_StringFromAny(rProp.Value);
+                buf.append(pTemp);
+                buf.append(',');
+
+                if (rProp.Name == "NumberingType" && !numberingPrefix.empty())
+                {
+                    buf.append("NumberingPrefix=");
+                    buf.append(numberingPrefix);
+                }
+            }
+        }
+        return buf.makeStringAndClear();
+    }
+
+    //Because now have three types numbering level:
+    //1.real numbering list,numbering level>=0 and numbering Rule !=NULL;
+    //2.common paragraph, numbering level >=0, and numbering Rule == NULL;
+    //3.TOC paragraph, numbering level >0, and numbering Rule ==NULL;
+    // IAText:numberinglevel base on 0, but TOC's level base on 1,
+    // so NumberingLevel value will be decreased 1 in bridge code.
+    else if(numberingLevel >0)
+    {
+        return "Numbering:NumberingLevel=" + OUString::number(numberingLevel-1) + ",NumberingType=4,NumberingPrefix=,";
+    }
+    else
+    {
+        return "Numbering:";
+    }
+}
+
+void CMAccessible::ConvertAnyToVariant(const css::uno::Any &rAnyVal, VARIANT *pvData)
+{
+    if(rAnyVal.hasValue())
+    {
+        // Clear VARIANT variable.
+        VariantClear(pvData);
+
+        // Set value according to value type.
+        switch(rAnyVal.getValueTypeClass())
+        {
+        case TypeClass_CHAR:
+            pvData->vt = VT_UI1;
+            memcpy(&pvData->bVal, rAnyVal.getValue(), sizeof(char));
+            break;
+
+        case TypeClass_BOOLEAN:
+        {
+            bool bBoolean(false);
+            rAnyVal >>= bBoolean;
+            pvData->vt = VT_BOOL;
+            pvData->boolVal = VARIANT_BOOL(bBoolean); // boolVal is a VARIANT_BOOL, a 16bit field
+            break;
+        }
+        case TypeClass_BYTE:
+            pvData->vt = VT_UI1;
+            memcpy(&pvData->bVal, rAnyVal.getValue(), sizeof(sal_Int8));
+            break;
+
+        case TypeClass_SHORT:
+            pvData->vt = VT_I2;
+            memcpy(&pvData->iVal, rAnyVal.getValue(), sizeof(sal_Int16));
+            break;
+
+        case TypeClass_UNSIGNED_SHORT:
+            pvData->vt = VT_I2;
+            memcpy(&pvData->iVal, rAnyVal.getValue(), sizeof(sal_uInt16));
+            break;
+
+        case TypeClass_LONG:
+            pvData->vt = VT_I4;
+            memcpy(&pvData->lVal, rAnyVal.getValue(), sizeof(sal_Int32));
+            break;
+
+        case TypeClass_UNSIGNED_LONG:
+            pvData->vt = VT_I4;
+            memcpy(&pvData->lVal, rAnyVal.getValue(), sizeof(sal_uInt32));
+            break;
+
+        case TypeClass_FLOAT:
+            pvData->vt = VT_R4;
+            memcpy(&pvData->fltVal, rAnyVal.getValue(), sizeof(float));
+            break;
+
+        case TypeClass_DOUBLE:
+            pvData->vt = VT_R8;
+            memcpy(&pvData->dblVal, rAnyVal.getValue(), sizeof(double));
+            break;
+
+        case TypeClass_STRING:
+            {
+                pvData->vt = VT_BSTR;
+                OUString val;
+                rAnyVal >>= val;
+                pvData->bstrVal = SysAllocString(o3tl::toW(val.getStr()));
+                break;
+            }
+
+        case TypeClass_VOID:
+        case TypeClass_HYPER:
+        case TypeClass_UNSIGNED_HYPER:
+        case TypeClass_TYPE:
+        case TypeClass_ANY:
+        case TypeClass_ENUM:
+        case TypeClass_TYPEDEF:
+        case TypeClass_STRUCT:
+        case TypeClass_EXCEPTION:
+        case TypeClass_SEQUENCE:
+        case TypeClass_INTERFACE:
+            {
+                Reference< XAccessible > pXAcc;
+                if(rAnyVal >>= pXAcc)
+                {
+                    if(pXAcc.is())
+                    {
+                        IAccessible* pIAcc = nullptr;
+                        get_IAccessibleFromXAccessible(pXAcc.get(), &pIAcc);
+                        if(pIAcc == nullptr)
+                        {
+                            Reference< XAccessibleContext > pXAccContext = pXAcc->getAccessibleContext();
+                            g_pAgent->InsertAccObj(pXAcc.get(),pXAccContext->getAccessibleParent().get());
+                            get_IAccessibleFromXAccessible(pXAcc.get(), &pIAcc);
+                        }
+                        if(pIAcc)
+                        {
+                            pIAcc->AddRef();
+
+                            pvData->vt = VT_UNKNOWN;
+                            pvData->pdispVal = pIAcc;
+                            break;
+                        }
+                    }
+                }
+                [[fallthrough]];
+            }
+        case TypeClass_SERVICE:
+        case TypeClass_MODULE:
+        case TypeClass_INTERFACE_METHOD:
+        case TypeClass_INTERFACE_ATTRIBUTE:
+        case TypeClass_UNKNOWN:
+        case TypeClass_PROPERTY:
+        case TypeClass_CONSTANT:
+        case TypeClass_CONSTANTS:
+        case TypeClass_SINGLETON:
+        case TypeClass::TypeClass_MAKE_FIXED_SIZE:
+            // Output the type string, if there is other uno value type.
+            pvData->vt = VT_BSTR;
+            pvData->bstrVal = SysAllocString(o3tl::toW(rAnyVal.getValueTypeName().getStr()));
+            break;
+
+        default:
+            break;
+        }
+    }
+    else
+    {
+        VariantClear(pvData);
+    }
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_states(AccessibleStates __RPC_FAR *states)
+{
+    SolarMutexGuard g;
+
+    try {
+    if (m_isDestroy) return S_FALSE;
+
+    if (!m_xContext.is())
+        return E_FAIL;
+
+    Reference<XAccessibleStateSet> const pRStateSet =
+        m_xContext->getAccessibleStateSet();
+    if(!pRStateSet.is())
+    {
+        return S_OK;
+    }
+    Sequence<short> pStates = pRStateSet->getStates();
+
+
+    long count = pStates.getLength() ;
+    *states = 0x0;
+    for( int i = 0; i < count; i++  )
+    {
+        for( std::size_t j = 0; j < SAL_N_ELEMENTS(UNO_STATES); j++ )
+        {
+            if( pStates[i] == UNO_STATES[j] )
+            {
+                *states |= IA2_STATES[j];
+                break;
+            }
+        }
+    }
+    return S_OK;
+
+
+    } catch(...) { return E_FAIL; }
+}
+
+// return the UNO roles
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_extendedRole(BSTR __RPC_FAR *)
+{
+    return E_NOTIMPL;
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_localizedExtendedRole(BSTR __RPC_FAR *)
+{
+    return E_NOTIMPL;
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_nExtendedStates(long __RPC_FAR *)
+{
+    return E_NOTIMPL;
+}
+
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_localizedExtendedStates(long, BSTR __RPC_FAR *__RPC_FAR *, long __RPC_FAR *)
+{
+    return E_NOTIMPL;
+}
+
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_indexInParent(long __RPC_FAR *accParentIndex)
+{
+    try {
+        if (m_isDestroy) return S_FALSE;
+        // #CHECK#
+        if(accParentIndex == nullptr)
+            return E_INVALIDARG;
+
+        if (!m_xContext.is())
+            return E_FAIL;
+
+        *accParentIndex = m_xContext->getAccessibleIndexInParent();
+        return S_OK;
+
+
+    } catch(...) { return E_FAIL; }
+}
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_locale( IA2Locale __RPC_FAR *locale  )
+{
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if(locale == nullptr)
+            return E_INVALIDARG;
+
+        if (!m_xContext.is())
+            return E_FAIL;
+
+        css::lang::Locale unoLoc = m_xContext->getLocale();
+        locale->language = SysAllocString(o3tl::toW(unoLoc.Language.getStr()));
+        locale->country = SysAllocString(o3tl::toW(unoLoc.Country.getStr()));
+        locale->variant = SysAllocString(o3tl::toW(unoLoc.Variant.getStr()));
+
+        return S_OK;
+
+    } catch(...) { return E_FAIL; }
+}
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_appName(BSTR __RPC_FAR *name)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if(name == nullptr)
+            return E_INVALIDARG;
+
+        *name = SysAllocString(OLESTR("Hannover"));
+        return S_OK;
+    } catch(...) { return E_FAIL; }
+}
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_appVersion(BSTR __RPC_FAR *version)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if(version == nullptr)
+            return E_INVALIDARG;
+        *version=SysAllocString(OLESTR("3.0"));
+        return S_OK;
+    } catch(...) { return E_FAIL; }
+}
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_toolkitName(BSTR __RPC_FAR *name)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if(name == nullptr)
+            return E_INVALIDARG;
+        *name = SysAllocString(OLESTR(" "));
+        return S_OK;
+    } catch(...) { return E_FAIL; }
+}
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_toolkitVersion(BSTR __RPC_FAR *version)
+{
+    SolarMutexGuard g;
+
+    try {
+        if (m_isDestroy) return S_FALSE;
+        if(version == nullptr)
+            return E_INVALIDARG;
+        *version = SysAllocString(OLESTR(" "));
+        return S_OK;
+    } catch(...) { return E_FAIL; }
+}
+
+
+COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_attributes(/*[out]*/ BSTR *pAttr)
+{
+    SolarMutexGuard g;
+
+    try {
+    if (m_isDestroy) return S_FALSE;
+
+    if (!m_xAccessible.is())
+        return E_FAIL;
+
+    Reference<XAccessibleContext> pRContext = m_xAccessible->getAccessibleContext();
+    if( !pRContext.is() )
+    {
+        return E_FAIL;
+    }
+    Reference<XAccessibleExtendedAttributes> pRXI(pRContext,UNO_QUERY);
+    if( !pRXI.is() )
+        return E_FAIL;
+    else
+    {
+        css::uno::Reference<css::accessibility::XAccessibleExtendedAttributes> pRXAttr;
+        pRXAttr = pRXI.get();
+        css::uno::Any  anyVal = pRXAttr->getExtendedAttributes();
+
+        OUString val;
+        anyVal >>= val;
+
+        if(*pAttr)
+            SysFreeString(*pAttr);
+        *pAttr = SysAllocString(o3tl::toW(val.getStr()));
+
+        return S_OK;
+    }
+    } catch(...) { return E_FAIL; }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */