sd/source/ui/inc/AccessibleOutlineView.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 #pragma once
  21
  22 #include "AccessibleDocumentViewBase.hxx"
  23 #include <svx/AccessibleTextHelper.hxx>
  24
  25 namespace sd { class OutlineViewShell; }
  26
  27 namespace accessibility {
  28
  29 /** This class makes the Impress outline view accessible.
  30
  31     Please see the documentation of the base class for further
  32     explanations of the individual methods. This class is a mere
  33     wrapper around the AccessibleTextHelper class; as basically the
  34     Outline View is a big Outliner.
  35 */
  36 class AccessibleOutlineView final
  37     : public AccessibleDocumentViewBase
  38 {
  39 public:
  40     AccessibleOutlineView (
  41         ::sd::Window* pSdWindow,
  42         ::sd::OutlineViewShell* pViewShell,
  43         const css::uno::Reference<css::frame::XController>& rxController,
  44         const css::uno::Reference<css::accessibility::XAccessible>& rxParent);
  45
  46     virtual ~AccessibleOutlineView() override;
  47
  48     /** Complete the initialization begun in the constructor.
  49     */
  50     virtual void Init() override;
  51
  52     //=====  IAccessibleViewForwarderListener  ================================
  53
  54     virtual void ViewForwarderChanged() override;
  55
  56     //=====  XAccessibleContext  ==============================================
  57
  58     virtual sal_Int64 SAL_CALL
  59         getAccessibleChildCount() override;
  60
  61     virtual css::uno::Reference< css::accessibility::XAccessible> SAL_CALL
  62         getAccessibleChild (sal_Int64 nIndex) override;
  63     virtual OUString SAL_CALL
  64         getAccessibleName() override;
  65     //=====  XAccessibleEventBroadcaster  ========================================
  66
  67     virtual void SAL_CALL
  68         addAccessibleEventListener (
  69             const css::uno::Reference<css::accessibility::XAccessibleEventListener >& xListener) override;
  70
  71     virtual void SAL_CALL
  72         removeAccessibleEventListener (
  73             const css::uno::Reference<css::accessibility::XAccessibleEventListener >& xListener) override;
  74
  75     //=====  XServiceInfo  ====================================================
  76
  77     /** Returns an identifier for the implementation of this object.
  78     */
  79     virtual OUString SAL_CALL
  80         getImplementationName() override;
  81
  82     //=====  lang::XEventListener  ============================================
  83
  84     using AccessibleDocumentViewBase::disposing;
  85
  86     //=====  XPropertyChangeListener  =========================================
  87
  88     virtual void SAL_CALL
  89         propertyChange (const css::beans::PropertyChangeEvent& rEventObject) override;
  90
  91 private:
  92
  93     // overridden to detect focus changes
  94     virtual void Activated() override;
  95
  96     // overridden to detect focus changes
  97     virtual void Deactivated() override;
  98
  99     // declared, but not defined
 100     AccessibleOutlineView( const AccessibleOutlineView& );
 101     AccessibleOutlineView& operator= ( const AccessibleOutlineView& );
 102
 103     // This method is called from the component helper base class while disposing.
 104     virtual void SAL_CALL disposing() override;
 105
 106     /// Create an accessible name that contains the current view mode.
 107     virtual OUString
 108         CreateAccessibleName () override;
 109
 110     /// Invalidate text helper, updates visible children
 111     void UpdateChildren();
 112
 113     AccessibleTextHelper maTextHelper;
 114
 115 };
 116
 117 } // end of namespace accessibility
 118
 119 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */