winaccessibility/inc/AccObject.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_WINACCESSIBILITY_INC_ACCOBJECT_HXX
  21 #define INCLUDED_WINACCESSIBILITY_INC_ACCOBJECT_HXX
  22
  23 #include <vector>
  24 #include <map>
  25 #if !defined WIN32_LEAN_AND_MEAN
  26 # define WIN32_LEAN_AND_MEAN
  27 #endif
  28 #include <windows.h>
  29 #include <oleacc.h>
  30
  31 #include <rtl/ref.hxx>
  32
  33 #include <com/sun/star/accessibility/XAccessible.hpp>
  34 #include <com/sun/star/accessibility/XAccessibleSelection.hpp>
  35 #include <com/sun/star/accessibility/XAccessibleAction.hpp>
  36
  37 #include "accHelper.hxx"
  38
  39 #if defined __clang__
  40 #pragma clang diagnostic push
  41 #pragma clang diagnostic ignored "-Wnon-virtual-dtor"
  42 #endif
  43 #include  <UAccCOM.h>
  44 #if defined __clang__
  45 #pragma clang diagnostic pop
  46 #endif
  47
  48 class AccEventListener;
  49 class AccObjectManagerAgent;
  50 class AccObject;
  51
  52 typedef std::map<const long, AccObject*> IAccSelectionList;
  53 typedef std::vector<AccObject *> IAccChildList;
  54
  55
  56 class AccObject
  57 {
  58 private:
  59
  60     short               m_accRole;
  61     long                m_resID;
  62     HWND                m_pParantID;
  63     bool                m_bShouldDestroy; //avoid access COM interface when acc object is deleted
  64     IMAccessible*       m_pIMAcc;
  65     AccObject*          m_pParentObj;
  66     IAccChildList       m_childrenList;
  67     ::rtl::Reference<AccEventListener>  m_pListener;
  68     IAccSelectionList   m_selectionList;
  69
  70     css::uno::Reference < css::accessibility::XAccessible > m_xAccRef;
  71     css::uno::Reference < css::accessibility::XAccessibleAction > m_xAccActionRef;
  72     css::uno::Reference < css::accessibility::XAccessibleContext > m_xAccContextRef;
  73
  74     void ImplInitializeCreateObj();//create COM object
  75
  76     void UpdateActionDesc();
  77     void UpdateRole();
  78
  79     DWORD GetMSAAStateFromUNO(short xState);//translate state from UNO to MSAA value
  80     css::accessibility::XAccessibleSelection* GetXAccessibleSelection();
  81     void GetExpandedState(sal_Bool* isExpandable, sal_Bool* isExpanded);
  82     OUString GetMAccessibleValueFromAny(css::uno::Any pAny);
  83
  84 public:
  85
  86     AccObject ( css::accessibility::XAccessible* pXAcc = nullptr,AccObjectManagerAgent* pAgent = nullptr ,AccEventListener* accListener=nullptr);
  87     virtual ~AccObject();
  88
  89     bool UpdateAccessibleInfoFromUnoToMSAA(  ); //implement accessible information mapping
  90     void UpdateDefaultAction();
  91
  92     IMAccessible*  GetIMAccessible();   //return COM interface in acc object
  93     css::uno::Reference<css::accessibility::XAccessible> const& GetXAccessible();
  94
  95     void SetResID(long id);//ResID means ChildID in MSAA
  96     long GetResID();
  97
  98
  99     void SetParentHWND(HWND hWnd);//need to set top window handle when send event to AT
 100     HWND GetParentHWND();
 101
 102     void SetListener(::rtl::Reference<AccEventListener> const& pListener);
 103     AccEventListener* getListener();
 104
 105     void SetParentObj(AccObject* pParentAccObj);
 106     AccObject* GetParentObj();
 107
 108     void InsertChild( AccObject* pChild,short pos = LAST_CHILD);
 109     void DeleteChild( AccObject* pChild );
 110     AccObject* NextChild();
 111
 112     void NotifyDestroy(bool ifDelete);
 113     bool ifShouldDestroy();
 114
 115     void  DecreaseState(short xState );//call COM interface DecreaseState method
 116     void  IncreaseState( short xState );//call COM interface IncreaseState method
 117
 118     void  SetName( css::uno::Any newName);
 119     void  SetValue( css::uno::Any pAny );
 120     void  SetDescription( css::uno::Any newDesc );
 121     void  SetRole( short Role );
 122
 123     short GetRole() const;
 124
 125     void  UpdateState();
 126     void  UpdateName();
 127     void  UpdateValue();
 128     void  UpdateAction();
 129     void  UpdateDescription();
 130     void  UpdateValidWindow();
 131     void  UpdateLocation();
 132
 133     void  setFocus();
 134     void  unsetFocus();
 135
 136     void  AddSelect(long index, AccObject* accObj);
 137     IAccSelectionList& GetSelection();
 138     void  setLocalizedResourceString();
 139 };
 140
 141 #endif // INCLUDED_WINACCESSIBILITY_INC_ACCOBJECT_HXX
 142
 143 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */