chart2/source/controller/accessibility/AccessibleChartElement.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 #pragma once
  20
  21 #include <AccessibleBase.hxx>
  22 #include <com/sun/star/accessibility/XAccessibleExtendedComponent.hpp>
  23
  24 namespace com::sun::star::accessibility { class XAccessible; }
  25 namespace com::sun::star::accessibility { class XAccessibleContext; }
  26 namespace com::sun::star::awt { class XFont; }
  27
  28 namespace chart
  29 {
  30 class AccessibleTextHelper;
  31
  32 /** Base class for all Chart Accessibility objects except the root node (see AccessibleChartView)
  33
  34     This class contains a reference to the ChartModel, thus, components can easily access all core functionality.
  35
  36     Usage Instructions:
  37
  38     <ul>
  39      <li>define the getAccessibleName() method of XAccessibleContext</li>
  40      <li>set the ChartModel using SetChartModel() for the first node before
  41          creating any children</li>
  42      <li>override UpdateChildren()</li>
  43     </ul>
  44  */
  45
  46 namespace impl
  47 {
  48 typedef ::cppu::ImplInheritanceHelper<
  49         AccessibleBase,
  50         css::accessibility::XAccessibleExtendedComponent
  51         > AccessibleChartElement_Base;
  52 }
  53
  54 class AccessibleChartElement :
  55     public impl::AccessibleChartElement_Base
  56 {
  57 public:
  58     AccessibleChartElement( const AccessibleElementInfo & rAccInfo,
  59                             bool bMayHaveChildren );
  60     virtual ~AccessibleChartElement() override;
  61
  62     // ________ AccessibleBase ________
  63     virtual bool ImplUpdateChildren() override;
  64     virtual css::uno::Reference< css::accessibility::XAccessible >
  65         ImplGetAccessibleChildById( sal_Int64 i ) const override;
  66     virtual sal_Int64 ImplGetAccessibleChildCount() const override;
  67
  68     // ________ XAccessibleContext ________
  69     virtual OUString SAL_CALL getAccessibleName() override;
  70     virtual OUString SAL_CALL getAccessibleDescription() override;
  71
  72     // ________ XAccessibleExtendedComponent ________
  73     virtual OUString SAL_CALL getTitledBorderText() override;
  74     virtual OUString SAL_CALL getToolTipText() override;
  75
  76     // the following interface is implemented in AccessibleBase, however it is
  77     // also a (non-virtual) base class of XAccessibleExtendedComponent Thus
  78     // these methods have to be overridden and forward to AccessibleBase
  79
  80     // ________ XAccessibleComponent ________
  81     virtual sal_Bool SAL_CALL containsPoint( const css::awt::Point& aPoint ) override;
  82     virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& aPoint ) override;
  83     virtual css::awt::Rectangle SAL_CALL getBounds() override;
  84     virtual css::awt::Point SAL_CALL getLocation() override;
  85     virtual css::awt::Point SAL_CALL getLocationOnScreen() override;
  86     virtual css::awt::Size SAL_CALL getSize() override;
  87     virtual void SAL_CALL grabFocus() override;
  88     virtual sal_Int32 SAL_CALL getForeground() override;
  89     virtual sal_Int32 SAL_CALL getBackground() override;
  90
  91     // ________ XServiceInfo ________
  92     virtual OUString SAL_CALL getImplementationName() override;
  93
  94 private:
  95     bool                m_bHasText;
  96     rtl::Reference< ::chart::AccessibleTextHelper >
  97                         m_xTextHelper;
  98
  99     void InitTextEdit();
 100 };
 101
 102 }  // namespace chart
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */