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, 1128 insertions, 0 deletions

diff --git a/winaccessibility/source/service/AccObject.cxx b/winaccessibility/source/service/AccObject.cxx
new file mode 100644
index 000000000..d2862577f
--- /dev/null
+++ b/winaccessibility/source/service/AccObject.cxx
@@ -0,0 +1,1128 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/uno/Sequence.h>
+#include <com/sun/star/accessibility/AccessibleStateType.hpp>
+#include <com/sun/star/accessibility/AccessibleRole.hpp>
+#include <com/sun/star/accessibility/XAccessibleValue.hpp>
+#include <com/sun/star/accessibility/XAccessibleComponent.hpp>
+#include <com/sun/star/accessibility/XAccessibleText.hpp>
+
+#include <o3tl/char16_t2wchar_t.hxx>
+#include <o3tl/safeint.hxx>
+
+#include <stdlib.h>
+#include <memory.h>
+#include <stdio.h>
+#include <algorithm>
+#include <assert.h>
+
+#include <AccObject.hxx>
+#include <AccEventListener.hxx>
+
+#if defined __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wextra-tokens"
+    // "#endif !_MIDL_USE_GUIDDEF_" in midl-generated code
+#endif
+#include <UAccCOM_i.c>
+#if defined __clang__
+#pragma clang diagnostic pop
+#endif
+
+using namespace com::sun::star::uno;
+using namespace com::sun::star::accessibility;
+using namespace com::sun::star::accessibility::AccessibleRole;
+using namespace com::sun::star::accessibility::AccessibleStateType;
+
+//Role mapping table,left side is UNO role, right side is MSAA role
+const short ROLE_TABLE[][2] =
+    {
+        {UNKNOWN,                  IA2_ROLE_UNKNOWN},
+        {ALERT ,                   ROLE_SYSTEM_DIALOG},
+        {COLUMN_HEADER ,           ROLE_SYSTEM_COLUMNHEADER},
+        //{CANVAS ,                  ROLE_SYSTEM_CLIENT},
+        {CANVAS ,                  IA2_ROLE_CANVAS},
+        {CHECK_BOX ,               ROLE_SYSTEM_CHECKBUTTON},
+        {CHECK_MENU_ITEM ,         IA2_ROLE_CHECK_MENU_ITEM},
+        {COLOR_CHOOSER,            IA2_ROLE_COLOR_CHOOSER},
+        {COMBO_BOX ,               ROLE_SYSTEM_COMBOBOX},
+        {DATE_EDITOR ,             IA2_ROLE_DATE_EDITOR},
+        {DESKTOP_ICON ,            IA2_ROLE_DESKTOP_ICON},
+        {DESKTOP_PANE,             IA2_ROLE_DESKTOP_PANE},
+        {DIRECTORY_PANE,           IA2_ROLE_DIRECTORY_PANE},
+        {DIALOG,                   ROLE_SYSTEM_DIALOG},
+        {DOCUMENT,                 ROLE_SYSTEM_DOCUMENT},
+        {EMBEDDED_OBJECT ,         IA2_ROLE_EMBEDDED_OBJECT },
+        {END_NOTE ,                IA2_ROLE_ENDNOTE },
+        {FILE_CHOOSER ,            IA2_ROLE_FILE_CHOOSER },
+        {FILLER,                   ROLE_SYSTEM_WHITESPACE},
+        {FONT_CHOOSER,             IA2_ROLE_FONT_CHOOSER},
+        {FOOTER,                   IA2_ROLE_FOOTER},
+        {FOOTNOTE,                 IA2_ROLE_FOOTNOTE},
+        //{FRAME,                      IA2_ROLE_FRAME},
+        {FRAME,                    ROLE_SYSTEM_DIALOG},
+        {GLASS_PANE ,              IA2_ROLE_GLASS_PANE},
+        {GRAPHIC ,                 ROLE_SYSTEM_GRAPHIC},
+        {GROUP_BOX,                ROLE_SYSTEM_GROUPING},
+        {HEADER ,                  IA2_ROLE_HEADER},
+        {HEADING ,                 IA2_ROLE_HEADING},
+        {HYPER_LINK ,              ROLE_SYSTEM_TEXT},
+        {ICON ,                    IA2_ROLE_ICON},
+        {INTERNAL_FRAME,           IA2_ROLE_INTERNAL_FRAME},
+        {LABEL,                    ROLE_SYSTEM_STATICTEXT},
+        {LAYERED_PANE ,            IA2_ROLE_LAYERED_PANE},
+        {LIST ,                    ROLE_SYSTEM_LIST},
+        {LIST_ITEM ,               ROLE_SYSTEM_LISTITEM},
+        //{MENU ,                    ROLE_SYSTEM_MENUPOPUP},
+        {MENU,                ROLE_SYSTEM_MENUITEM},
+        {MENU_BAR,                 ROLE_SYSTEM_MENUBAR},
+        {MENU_ITEM,                ROLE_SYSTEM_MENUITEM},
+        {OPTION_PANE ,             IA2_ROLE_OPTION_PANE},
+        {PAGE_TAB,                 ROLE_SYSTEM_PAGETAB},
+        {PAGE_TAB_LIST,            ROLE_SYSTEM_PAGETABLIST},
+        {PANEL,                    IA2_ROLE_OPTION_PANE},
+        {PARAGRAPH,                IA2_ROLE_PARAGRAPH},
+        {PASSWORD_TEXT,            ROLE_SYSTEM_TEXT},
+        {POPUP_MENU,               ROLE_SYSTEM_MENUPOPUP},
+        {PUSH_BUTTON,              ROLE_SYSTEM_PUSHBUTTON},
+        {PROGRESS_BAR,             ROLE_SYSTEM_PROGRESSBAR},
+        {RADIO_BUTTON,             ROLE_SYSTEM_RADIOBUTTON},
+        {RADIO_MENU_ITEM,          IA2_ROLE_RADIO_MENU_ITEM},
+        {ROW_HEADER ,              ROLE_SYSTEM_ROWHEADER},
+        {ROOT_PANE,                IA2_ROLE_ROOT_PANE},
+        {SCROLL_BAR ,              ROLE_SYSTEM_SCROLLBAR},
+        {SCROLL_PANE ,             IA2_ROLE_SCROLL_PANE},
+        {SHAPE,                    IA2_ROLE_SHAPE},
+        {SEPARATOR ,               ROLE_SYSTEM_SEPARATOR},
+        {SLIDER ,                  ROLE_SYSTEM_SLIDER},
+        {SPIN_BOX ,                ROLE_SYSTEM_SPINBUTTON},
+        {SPLIT_PANE,               IA2_ROLE_SPLIT_PANE},
+        {STATUS_BAR,               ROLE_SYSTEM_STATUSBAR},
+        {TABLE,                    ROLE_SYSTEM_TABLE},
+        {TABLE_CELL ,              ROLE_SYSTEM_CELL},
+        {TEXT,                     ROLE_SYSTEM_TEXT},
+        {TEXT_FRAME ,              IA2_ROLE_TEXT_FRAME},
+        //for change toggle button to push button for jaws
+        {TOGGLE_BUTTON,            ROLE_SYSTEM_PUSHBUTTON},
+
+        {TOOL_BAR,                 ROLE_SYSTEM_TOOLBAR},
+        {TOOL_TIP,                 ROLE_SYSTEM_TOOLTIP},
+        {TREE ,                    ROLE_SYSTEM_OUTLINE},
+        {VIEW_PORT ,               IA2_ROLE_VIEW_PORT},
+        {WINDOW,                   ROLE_SYSTEM_WINDOW},
+        {BUTTON_DROPDOWN,  ROLE_SYSTEM_BUTTONDROPDOWN},
+        {BUTTON_MENU,             ROLE_SYSTEM_BUTTONMENU},
+        {CAPTION,                   IA2_ROLE_CAPTION},
+        {CHART,                     IA2_ROLE_SHAPE},
+        {EDIT_BAR,                  IA2_ROLE_EDITBAR},
+        {FORM,                      IA2_ROLE_FORM},
+        {IMAGE_MAP ,                IA2_ROLE_IMAGE_MAP},
+        {NOTE,                      IA2_ROLE_NOTE},
+        {PAGE,                      IA2_ROLE_PAGE},
+        {RULER ,                    IA2_ROLE_RULER},
+        {SECTION,                   IA2_ROLE_SECTION},
+        {TREE_ITEM ,                ROLE_SYSTEM_OUTLINEITEM},
+        {TREE_TABLE,                ROLE_SYSTEM_OUTLINE},
+        {COMMENT,                   IA2_ROLE_TEXT_FRAME },
+        {COMMENT_END,               IA2_ROLE_TEXT_FRAME },
+        {DOCUMENT_PRESENTATION,     ROLE_SYSTEM_DOCUMENT },
+        {DOCUMENT_SPREADSHEET,      ROLE_SYSTEM_DOCUMENT },
+        {DOCUMENT_TEXT,             ROLE_SYSTEM_DOCUMENT },
+        {STATIC,                    ROLE_SYSTEM_STATICTEXT }
+    };
+
+
+/**
+   * Constructor.
+   * @param pXAcc Uno XAccessible interface of control.
+   * @param Agent The agent kept in all listeners,it's the sole interface by which
+   *              listener communicate with windows manager.
+   * @param listener listener that registers in UNO system.
+   * @return.
+   */
+AccObject::AccObject(XAccessible* pAcc, AccObjectManagerAgent* pAgent,
+                     AccEventListener* pListener) :
+        m_resID     (0),
+        m_pParantID (nullptr),
+        m_pIMAcc    (nullptr),
+        m_pParentObj(nullptr),
+        m_pListener (pListener),
+        m_xAccRef( pAcc )
+{
+    ImplInitializeCreateObj();
+
+    m_xAccContextRef = m_xAccRef->getAccessibleContext();
+    m_xAccActionRef.set(m_xAccContextRef,UNO_QUERY);
+    m_accRole = m_xAccContextRef -> getAccessibleRole();
+    if( m_pIMAcc )
+    {
+        m_pIMAcc->SetXAccessible(reinterpret_cast<hyper>(m_xAccRef.get()));
+        m_pIMAcc->Put_XAccAgent(reinterpret_cast<hyper>(pAgent));
+        m_pIMAcc->SetDefaultAction(reinterpret_cast<hyper>(m_xAccActionRef.get()));
+    }
+}
+/**
+   * Destructor.
+   * @param
+   * @return
+   */
+AccObject::~AccObject()
+{
+    m_pIMAcc = nullptr;
+    m_xAccRef = nullptr;
+    m_xAccActionRef = nullptr;
+    m_xAccContextRef = nullptr;
+}
+
+
+/**
+   * Insert a child element.
+   * @param pChild Child element that should be inserted into child list.
+   * @param pos Insert position.
+   * @return
+   */
+void AccObject::InsertChild( AccObject* pChild,short pos )
+{
+
+    std::vector<AccObject*>::iterator iter;
+    iter = std::find(m_childrenList.begin(),m_childrenList.end(),pChild);
+    if(iter!=m_childrenList.end())
+        return;
+    if(LAST_CHILD==pos)
+    {
+        m_childrenList.push_back(pChild);
+    }
+    else
+    {
+        iter=m_childrenList.begin()+pos;
+        m_childrenList.insert(iter,pChild);
+    }
+
+    pChild->SetParentObj(this);
+}
+
+/**
+   * Delete a child element
+   * @param pChild Child element that should be inserted into child list.
+   * @param pos Insert position.
+   * @return
+   */
+void AccObject::DeleteChild( AccObject* pChild )
+{
+    std::vector<AccObject*>::iterator iter;
+    iter = std::find(m_childrenList.begin(),m_childrenList.end(),pChild);
+    if(iter!=m_childrenList.end())
+    {
+        m_childrenList.erase(iter);
+        if(m_pIMAcc)
+            pChild->SetParentObj(nullptr);
+    }
+}
+
+/**
+   * In order to windows API WindowFromAccessibleObject, we sometimes to set a pure
+   * top window accessible object created by windows system as top ancestor.
+   * @param.
+   * @return
+   */
+void AccObject::UpdateValidWindow()
+{
+    if(m_pIMAcc)
+        m_pIMAcc->Put_XAccWindowHandle(m_pParantID);
+}
+
+/**
+   * Translate all UNO basic information into MSAA com information.
+   * @param
+   * @return If the method is correctly processed.
+   */
+void AccObject::ImplInitializeCreateObj()
+{
+    m_pIMAcc = UAccCOMCreateInstance();
+
+    assert(m_pIMAcc);
+}
+
+/**
+   * Update name property to com object.
+   * @param
+   * @return
+   */
+void  AccObject::UpdateName( )
+{
+    if (!m_pIMAcc)
+    {
+        return;
+    }
+
+    if( ( TEXT_FRAME == m_accRole   ) && ( m_pParentObj !=nullptr )&& ( SCROLL_PANE == m_pParentObj -> m_accRole ) )
+        m_pIMAcc->Put_XAccName( o3tl::toW(m_pParentObj->m_xAccContextRef->getAccessibleName().getStr()) );
+    //IAccessibility2 Implementation 2009-----
+    if ( PARAGRAPH == m_accRole)
+    {
+        m_pIMAcc->Put_XAccName(L"");
+    }
+    //-----IAccessibility2 Implementation 2009
+    else
+        m_pIMAcc->Put_XAccName(o3tl::toW(m_xAccContextRef->getAccessibleName().getStr()));
+
+    return ;
+}
+
+/**
+   * Update default action property to com object.
+   * @param
+   * @return
+   */
+void  AccObject::UpdateAction()
+{
+    m_xAccActionRef.set(m_xAccContextRef,UNO_QUERY);
+
+    if( m_xAccActionRef.is() && m_pIMAcc )
+    {
+        if( m_xAccActionRef->getAccessibleActionCount() > 0 )
+        {
+            UpdateDefaultAction( );
+            m_pIMAcc->SetDefaultAction(
+                    reinterpret_cast<hyper>(m_xAccActionRef.get()));
+        }
+    }
+}
+
+/**
+   * Update value property to com object.
+   * @param
+   * @return
+   */
+void AccObject::UpdateValue()
+{
+    if( nullptr == m_pIMAcc  || !m_xAccContextRef.is() )
+    {
+        assert(false);
+        return ;
+    }
+
+    Reference< XAccessibleValue > pRValue(m_xAccContextRef,UNO_QUERY);
+    Any pAny;
+    if( pRValue.is() )
+    {
+        pAny = pRValue->getCurrentValue();
+    }
+
+    SetValue( pAny );
+}
+
+/**
+   * Set special default action description string via UNO role.
+   * @param Role UNO role
+   * @return
+   */
+void AccObject::UpdateDefaultAction( )
+{
+    if(!m_xAccActionRef.is())
+        return ;
+
+    switch(m_accRole)
+    {
+    case PUSH_BUTTON:
+    case TOGGLE_BUTTON:
+    case RADIO_BUTTON:
+    case MENU_ITEM:
+    case RADIO_MENU_ITEM:
+    case CHECK_MENU_ITEM:
+    case LIST_ITEM:
+    case CHECK_BOX:
+    case TREE_ITEM:
+    case BUTTON_DROPDOWN:
+        m_pIMAcc->Put_ActionDescription( o3tl::toW(m_xAccActionRef->getAccessibleActionDescription(sal_Int32(0)).getStr()) );
+        return;
+    }
+}
+
+/**
+   * Set value property via pAny.
+   * @param pAny New value.
+   * @return
+   */
+void  AccObject::SetValue( Any pAny )
+{
+    if( nullptr == m_pIMAcc || !m_xAccContextRef.is() )
+    {
+        assert(false);
+        return ;
+    }
+    Reference< XAccessibleText > pRText(m_xAccContextRef,UNO_QUERY);
+    OUString val;
+    switch(m_accRole)
+    {
+    case SPIN_BOX:
+        // 3. date editor's msaa value should be the same as spinbox
+    case DATE_EDITOR:
+    case TEXT:
+    case PARAGRAPH:
+    case HEADING:
+    case TABLE_CELL:
+
+        if(pRText)
+        {
+            val = pRText->getText();
+        }
+        m_pIMAcc->Put_XAccValue( o3tl::toW(val.getStr()) );
+        break;
+    case TREE_ITEM:
+    //case CHECK_BOX:   //Commented by Li Xing to disable the value for general checkbox
+    case COMBO_BOX:
+    case NOTE:
+    case SCROLL_BAR:
+        m_pIMAcc->Put_XAccValue( o3tl::toW(GetMAccessibleValueFromAny(pAny).getStr()) );
+        break ;
+    // Added by Li Xing, only the checkbox in tree should have the value.
+    case CHECK_BOX:
+        if( ( m_pParentObj !=nullptr ) && (TREE == m_pParentObj->m_accRole || TREE_ITEM == m_pParentObj->m_accRole ))
+            m_pIMAcc->Put_XAccValue( o3tl::toW(GetMAccessibleValueFromAny(pAny).getStr()) );
+        break;
+    default:
+        break;
+    }
+
+    return;
+}
+
+OUString AccObject::GetMAccessibleValueFromAny(Any pAny)
+{
+    OUString strValue;
+
+    if(nullptr == m_pIMAcc)
+        return strValue;
+
+    if(pAny.getValueType() == cppu::UnoType<cppu::UnoUnsignedShortType>::get() )
+    {
+        sal_uInt16 val;
+        if (pAny >>= val)
+        {
+            strValue=OUString::number(val);
+
+        }
+    }
+    else if(pAny.getValueType() == cppu::UnoType<OUString>::get())
+    {
+
+        pAny >>= strValue ;
+
+    }
+    else if(pAny.getValueType() == cppu::UnoType<Sequence< OUString >>::get())
+    {
+        Sequence< OUString > val;
+        if (pAny >>= val)
+        {
+            for (const OUString& rElem : val)
+                strValue += rElem;
+        }
+    }
+    else if(pAny.getValueType() == cppu::UnoType<double>::get())
+    {
+        double val;
+        if (pAny >>= val)
+        {
+            strValue=OUString::number(val);
+        }
+    }
+    else if(pAny.getValueType() == cppu::UnoType<sal_Int32>::get())
+    {
+        sal_Int32 val;
+        if (pAny >>= val)
+        {
+            strValue=OUString::number(val);
+        }
+    }
+    else if (pAny.getValueType() == cppu::UnoType<css::accessibility::TextSegment>::get())
+    {
+        css::accessibility::TextSegment val;
+        if (pAny >>= val)
+        {
+            OUString realVal(val.SegmentText);
+            strValue = realVal;
+
+        }
+    }
+
+    return strValue;
+}
+/**
+   * Set name property via pAny.
+   * @param pAny New accessible name.
+   * @return
+   */
+void  AccObject::SetName( Any pAny)
+{
+    if( nullptr == m_pIMAcc )
+        return ;
+
+    m_pIMAcc->Put_XAccName( o3tl::toW(GetMAccessibleValueFromAny(pAny).getStr()) );
+
+}
+
+/**
+* Get role property via pAny
+* @param
+* @return accessible role
+*/
+short AccObject::GetRole() const
+{
+    return m_accRole;
+}
+
+/**
+   * Get MSAA state from UNO state
+   * @Role xState UNO state.
+   * @return
+   */
+DWORD AccObject::GetMSAAStateFromUNO(short xState)
+{
+    DWORD IState = UNO_MSAA_UNMAPPING;
+
+    if( !m_xAccContextRef.is() )
+    {
+        assert(false);
+        return IState;
+    }
+    short Role = m_accRole;
+
+    switch( xState )
+    {
+    case  BUSY:
+        IState = STATE_SYSTEM_BUSY;
+        break;
+    case  CHECKED:
+        if( Role == PUSH_BUTTON || Role == TOGGLE_BUTTON )
+        {
+            IState = STATE_SYSTEM_PRESSED;
+        }
+        else
+            IState = STATE_SYSTEM_CHECKED;
+        break;
+    case  DEFUNC:
+        IState = STATE_SYSTEM_UNAVAILABLE;
+        break;
+    case  EXPANDED:
+        IState = STATE_SYSTEM_EXPANDED;
+        break;
+    case  FOCUSABLE:
+        IState = STATE_SYSTEM_FOCUSABLE;
+        break;
+    case  FOCUSED:
+        IState = STATE_SYSTEM_FOCUSED;
+        break;
+    case  INDETERMINATE:
+        IState = STATE_SYSTEM_MIXED;
+        break;
+    case  MULTI_SELECTABLE:
+        IState = STATE_SYSTEM_MULTISELECTABLE;
+        break;
+    case  PRESSED:
+        IState = STATE_SYSTEM_PRESSED;
+        break;
+    case  RESIZABLE:
+        IState = STATE_SYSTEM_SIZEABLE;
+        break;
+    case  SELECTABLE:
+        if( m_accRole == MENU || m_accRole == MENU_ITEM)
+        {
+            IState = UNO_MSAA_UNMAPPING;
+        }
+        else
+        {
+            IState = STATE_SYSTEM_SELECTABLE;
+        }
+        break;
+    case  SELECTED:
+        if( m_accRole == MENU || m_accRole == MENU_ITEM )
+        {
+            IState = UNO_MSAA_UNMAPPING;
+        }
+        else
+        {
+            IState = STATE_SYSTEM_SELECTED;
+        }
+        break;
+    case  ARMED:
+        IState = STATE_SYSTEM_FOCUSED;
+        break;
+    case  EXPANDABLE:
+        {
+            sal_Bool isExpanded = true;
+            sal_Bool isExpandable = true;
+            if( Role == PUSH_BUTTON || Role == TOGGLE_BUTTON  || BUTTON_DROPDOWN == Role )
+            {
+                IState = STATE_SYSTEM_HASPOPUP;
+            }
+            else
+            {
+                GetExpandedState(&isExpandable,&isExpanded);
+                if(!isExpanded)
+                    IState = STATE_SYSTEM_COLLAPSED;
+            }
+        }
+        break;
+    //Remove the SENSITIVE state mapping. There is no corresponding MSAA state.
+    //case  SENSITIVE:
+    //    IState = STATE_SYSTEM_PROTECTED;
+    case EDITABLE:
+        if( m_pIMAcc )
+        {
+            m_pIMAcc->DecreaseState( STATE_SYSTEM_READONLY );
+        }
+        break;
+    case OFFSCREEN:
+        IState = STATE_SYSTEM_OFFSCREEN;
+        break;
+    case MOVEABLE:
+        IState = STATE_SYSTEM_MOVEABLE;
+        break;
+    case COLLAPSE:
+        IState = STATE_SYSTEM_COLLAPSED;
+        break;
+    case DEFAULT:
+        IState = STATE_SYSTEM_DEFAULT;
+        break;
+    default:
+        break;
+    }
+
+    return IState;
+}
+
+/**
+   * Decrease state of com object
+   * @param xState The lost state.
+   * @return
+   */
+void  AccObject::DecreaseState( short xState )
+{
+    if( nullptr == m_pIMAcc )
+    {
+        return;
+    }
+
+    if( xState == FOCUSABLE)
+    {
+        short Role = m_accRole ;
+        if(Role == MENU_ITEM
+                || Role == RADIO_MENU_ITEM
+                || Role == CHECK_MENU_ITEM)
+            return;
+        else
+        {
+            if (Role == TOGGLE_BUTTON || Role == PUSH_BUTTON || BUTTON_DROPDOWN == Role)
+            {
+                if( ( m_pParentObj !=nullptr ) && (TOOL_BAR == m_pParentObj->m_accRole ) )
+                    return;
+            }
+        }
+    }
+
+    else if( xState == AccessibleStateType::VISIBLE  )
+    {
+        m_pIMAcc->IncreaseState( STATE_SYSTEM_INVISIBLE );
+    }
+    else if( xState == AccessibleStateType::SHOWING )
+    {
+        m_pIMAcc->IncreaseState( STATE_SYSTEM_OFFSCREEN );
+    }
+
+    DWORD msState = GetMSAAStateFromUNO(xState);
+    if(msState!=UNO_MSAA_UNMAPPING)
+        m_pIMAcc->DecreaseState(msState);
+}
+
+/**
+   * Increase state of com object
+   * @param xState The new state.
+   * @return
+   */
+void AccObject::IncreaseState( short xState )
+{
+    if( nullptr == m_pIMAcc )
+    {
+        assert(false);
+        return;
+    }
+
+
+    if( xState == AccessibleStateType::VISIBLE  )
+    {
+        m_pIMAcc->DecreaseState( STATE_SYSTEM_INVISIBLE );
+    }
+    else if( xState == AccessibleStateType::SHOWING )
+    {
+        m_pIMAcc->DecreaseState( STATE_SYSTEM_OFFSCREEN );
+    }
+
+
+    DWORD msState = GetMSAAStateFromUNO(xState);
+    if(msState!=UNO_MSAA_UNMAPPING)
+        m_pIMAcc->IncreaseState( msState );
+}
+
+/**
+   * Get next child element
+   * @param
+   * @return AccObject Object interface.
+   */
+AccObject* AccObject::NextChild()
+{
+    IAccChildList::iterator pInd = m_childrenList.begin();
+    if( pInd != m_childrenList.end() )
+        return  *pInd;
+    return nullptr;
+}
+/**
+   * update action description desc
+   * @param
+   * @return
+   */
+void AccObject::UpdateActionDesc()
+{
+    if (!m_pIMAcc)
+        return;
+
+    long Role = m_accRole;
+
+    if(  Role == PUSH_BUTTON || Role == RADIO_BUTTON || Role == MENU_ITEM ||
+            Role == LIST_ITEM || Role == CHECK_BOX || Role == TREE_ITEM ||
+            Role == CHECK_MENU_ITEM || Role == RADIO_MENU_ITEM )
+    {
+        UpdateDefaultAction(  );
+    }
+    else
+    {
+
+        if( m_xAccActionRef.is() )
+        {
+            if( m_xAccActionRef->getAccessibleActionCount() > 0 )
+            {
+                if (!(Role == SPIN_BOX || Role == COMBO_BOX || Role == DATE_EDITOR ||
+                      Role == EDIT_BAR || Role == PASSWORD_TEXT || Role == TEXT))
+                {
+                    const OUString sActionDesc = m_xAccActionRef->getAccessibleActionDescription(0);
+                    // if string is non-empty, action is set.
+                    if (!sActionDesc.isEmpty())
+                        m_pIMAcc->Put_ActionDescription(o3tl::toW(sActionDesc.getStr()));
+                }
+            }
+        }
+    }
+
+}
+/**
+   * update role information from uno to com
+   * @param
+   * @return
+   */
+void AccObject::UpdateRole()
+{
+    if (!m_pIMAcc)
+    {
+        return;
+    }
+
+    XAccessibleContext* pContext  = m_xAccContextRef.get();
+    m_pIMAcc->Put_XAccRole( ROLE_SYSTEM_WINDOW  );
+    sal_Int16 iRoleIndex = pContext->getAccessibleRole();
+    if ((0 <= iRoleIndex) && (o3tl::make_unsigned(iRoleIndex) < SAL_N_ELEMENTS(ROLE_TABLE)))
+    {
+        short iIA2Role = ROLE_TABLE[iRoleIndex][1] ;
+        m_pIMAcc->Put_XAccRole( iIA2Role  );
+    }
+
+}
+/**
+   * update state information from uno to com
+   * @param
+   * @return
+   */
+void AccObject::UpdateState()
+{
+    if (!m_pIMAcc)
+    {
+        return;
+    }
+
+    XAccessibleContext* pContext  = m_xAccContextRef.get();
+    Reference< XAccessibleStateSet > pRState = pContext->getAccessibleStateSet();
+    if( !pRState.is() )
+    {
+        assert(false);
+        return ;
+    }
+
+    m_pIMAcc->SetState(0);
+
+    if ( m_accRole == POPUP_MENU )
+    {
+        return;
+    }
+
+    bool isEnable = false;
+    bool isShowing = false;
+    bool isEditable = false;
+    bool isVisible = false;
+    bool isFocusable = false;
+
+    for (const sal_Int16 nState : pRState->getStates())
+    {
+        if (nState == ENABLED)
+            isEnable = true;
+        else if (nState == SHOWING)
+            isShowing = true;
+        else if (nState == VISIBLE)
+            isVisible = true;
+        else if (nState == EDITABLE)
+            isEditable = true;
+        else if (nState == FOCUSABLE)
+            isFocusable = true;
+        IncreaseState(nState);
+    }
+    bool bIsMenuItem = m_accRole == MENU_ITEM || m_accRole == RADIO_MENU_ITEM || m_accRole == CHECK_MENU_ITEM;
+
+    if(bIsMenuItem)
+    {
+        if(!(isShowing && isVisible) )
+        {
+            m_pIMAcc->IncreaseState( STATE_SYSTEM_INVISIBLE );
+            m_pIMAcc->DecreaseState( STATE_SYSTEM_FOCUSABLE );
+        }
+    }
+    else
+    {
+        if(!(isShowing || isVisible) )
+            m_pIMAcc->IncreaseState( STATE_SYSTEM_INVISIBLE );
+    }
+
+    short Role = m_accRole;
+
+    switch(m_accRole)
+    {
+    case LABEL:
+    case STATIC:
+        m_pIMAcc->IncreaseState( STATE_SYSTEM_READONLY );
+        break;
+    case TEXT:
+        // 2. editable combobox -> readonly ------ bridge
+    case EMBEDDED_OBJECT:
+    case END_NOTE:
+    case FOOTER:
+    case FOOTNOTE:
+    case GRAPHIC:
+    case HEADER:
+    case HEADING:
+
+        //Image Map
+    case PARAGRAPH:
+    case PASSWORD_TEXT:
+    case SHAPE:
+    case SPIN_BOX:
+    case TABLE:
+    case TABLE_CELL:
+    case TEXT_FRAME:
+    case DATE_EDITOR:
+    case DOCUMENT:
+    case COLUMN_HEADER:
+        {
+            if(!isEditable)
+                m_pIMAcc->IncreaseState( STATE_SYSTEM_READONLY );
+        }
+        break;
+    default:
+        break;
+    }
+
+    if( isEnable )
+    {
+
+        if(!(Role == FILLER || Role == END_NOTE || Role == FOOTER || Role == FOOTNOTE || Role == GROUP_BOX || Role == RULER
+                || Role == HEADER || Role == ICON || Role == INTERNAL_FRAME || Role == LABEL || Role == LAYERED_PANE
+                || Role == SCROLL_BAR || Role == SCROLL_PANE || Role == SPLIT_PANE || Role == STATIC || Role == STATUS_BAR
+                || Role == TOOL_TIP))
+        {
+            if( SEPARATOR == Role  )
+            {
+                if( ( m_pParentObj != nullptr ) && ( MENU == m_pParentObj->m_accRole  || POPUP_MENU == m_pParentObj->m_accRole ))
+                    IncreaseState( FOCUSABLE );
+            }
+
+            else if (TABLE_CELL == Role || TABLE == Role || PANEL == Role || OPTION_PANE == Role ||
+                     COLUMN_HEADER == Role)
+            {
+                if (isFocusable)
+                    IncreaseState( FOCUSABLE );
+            }
+            else
+            {
+                if(bIsMenuItem)
+                {
+                    if ( isShowing && isVisible)
+                    {
+                        IncreaseState( FOCUSABLE );
+                    }
+                }
+                else
+                {
+                    IncreaseState( FOCUSABLE );
+                }
+            }
+        }
+    }
+    else
+    {
+        m_pIMAcc->IncreaseState( STATE_SYSTEM_UNAVAILABLE );
+        if( !((Role == MENU_ITEM) ||
+                (Role == RADIO_MENU_ITEM) ||
+                (Role == CHECK_MENU_ITEM)) )
+        {
+            if  ( Role == TOGGLE_BUTTON || Role == PUSH_BUTTON || BUTTON_DROPDOWN == Role)
+            {
+                if(( m_pParentObj != nullptr )&& (TOOL_BAR ==  m_pParentObj->m_accRole ) )
+                    IncreaseState( FOCUSABLE );
+                else
+                    DecreaseState( FOCUSABLE );
+            }
+            else
+                DecreaseState( FOCUSABLE );
+        }
+        else if( isShowing || isVisible )
+        {
+            IncreaseState( FOCUSABLE );
+        }
+    }
+
+    switch(m_accRole)
+    {
+    case POPUP_MENU:
+    case MENU:
+        if( pContext->getAccessibleChildCount() > 0 )
+            m_pIMAcc->IncreaseState( STATE_SYSTEM_HASPOPUP );
+        break;
+    case PASSWORD_TEXT:
+        m_pIMAcc->IncreaseState( STATE_SYSTEM_PROTECTED );
+        break;
+    default:
+        break;
+    }
+}
+
+/**
+   * update location information from uno to com
+   * @param
+   * @return
+   */
+void AccObject::UpdateLocation()
+{
+    if (!m_pIMAcc)
+    {
+        return;
+    }
+    XAccessibleContext* pContext  = m_xAccContextRef.get();
+
+    Reference< XAccessibleComponent > pRComponent(pContext,UNO_QUERY);
+    if( pRComponent.is() )
+    {
+        css::awt::Point pCPoint = pRComponent->getLocationOnScreen();
+        css::awt::Size pCSize = pRComponent->getSize();
+        Location tempLocation;
+        tempLocation.m_dLeft = pCPoint.X;
+        tempLocation.m_dTop =  pCPoint.Y;
+        tempLocation.m_dWidth = pCSize.Width;
+        tempLocation.m_dHeight = pCSize.Height;
+        m_pIMAcc->Put_XAccLocation( tempLocation );
+    }
+
+}
+
+
+/**
+   * Public method to mapping information between MSAA and UNO.
+   * @param
+   * @return If the method is correctly processed.
+   */
+bool AccObject::UpdateAccessibleInfoFromUnoToMSAA()
+{
+    if( nullptr == m_pIMAcc || !m_xAccContextRef.is()  )
+    {
+        assert(false);
+        return false;
+    }
+
+    UpdateName();
+
+    UpdateValue();
+
+    UpdateActionDesc();
+
+    UpdateRole();
+
+    UpdateLocation();
+
+    UpdateState();
+
+    return true;
+}
+
+/*
+   * Add a child selected element.
+   * @param pAccObj Child object pointer.
+   * @return
+   */
+void AccObject::AddSelect( long index, AccObject* accObj)
+{
+    m_selectionList.emplace(index,accObj);
+}
+
+IAccSelectionList& AccObject::GetSelection()
+{
+    return m_selectionList;
+}
+
+
+/**
+   * Set self to focus object in parent child list
+   * @param
+   * @return
+   */
+void AccObject::setFocus()
+{
+    if(m_pIMAcc)
+    {
+        IncreaseState(FOCUSED);
+        m_pIMAcc->Put_XAccFocus(CHILDID_SELF);
+
+        UpdateRole();
+    }
+}
+
+/**
+   * Unset self from focus object in parent child list.
+   * @param
+   * @return
+   */
+void AccObject::unsetFocus()
+{
+    if(m_pIMAcc)
+    {
+        DecreaseState( FOCUSED );
+        m_pIMAcc->Put_XAccFocus(UACC_NO_FOCUS);
+    }
+}
+
+void AccObject::GetExpandedState( sal_Bool* isExpandable, sal_Bool* isExpanded)
+{
+    *isExpanded = false;
+    *isExpandable = false;
+
+    if( !m_xAccContextRef.is() )
+    {
+        return;
+    }
+    Reference< XAccessibleStateSet > pRState = m_xAccContextRef->getAccessibleStateSet();
+    if( !pRState.is() )
+    {
+        return;
+    }
+
+    for (sal_Int16 nState : pRState->getStates())
+    {
+        if (nState == EXPANDED)
+            *isExpanded = true;
+        else if (nState == EXPANDABLE)
+            *isExpandable = true;
+    }
+}
+
+void AccObject::NotifyDestroy()
+{
+    if(m_pIMAcc)
+        m_pIMAcc->NotifyDestroy();
+}
+
+void AccObject::SetParentObj(AccObject* pParentAccObj)
+{
+    m_pParentObj = pParentAccObj;
+
+    if(m_pIMAcc)
+    {
+        if(m_pParentObj)
+        {
+            m_pIMAcc->Put_XAccParent(m_pParentObj->GetIMAccessible());
+        }
+        else
+        {
+            m_pIMAcc->Put_XAccParent(nullptr);
+        }
+    }
+}
+//ResID means ChildID in MSAA
+void AccObject::SetResID(long id)
+{
+    m_resID = id;
+    if(m_pIMAcc)
+        m_pIMAcc->Put_XAccChildID(m_resID);
+}
+//return COM interface in acc object
+IMAccessible*  AccObject::GetIMAccessible()
+{
+    return m_pIMAcc;
+}
+
+Reference<XAccessible> const& AccObject::GetXAccessible()
+{
+    return m_xAccRef;
+}
+
+void AccObject::SetParentHWND(HWND hWnd)
+{
+    m_pParantID = hWnd;
+}
+
+void AccObject::SetListener(rtl::Reference<AccEventListener> const& pListener)
+{
+    m_pListener = pListener;
+}
+
+AccEventListener* AccObject::getListener()
+{
+    return m_pListener.get();
+}
+
+long AccObject::GetResID()
+{
+    return m_resID;
+}
+
+HWND AccObject::GetParentHWND()
+{
+    return m_pParantID;
+}
+
+AccObject* AccObject::GetParentObj()
+{
+    return m_pParentObj;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */