Avoid potential negative array index access to cached text.
[LibreOffice.git] / accessibility / inc / extended / AccessibleGridControlTableCell.hxx
blobf9f8c4f7f16e7c1baed1e6b89eb77dd0815335fc
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
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/.
9 * This file incorporates work covered by the following license notice:
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 .
19 #pragma once
21 #include <comphelper/accessibletexthelper.hxx>
22 #include <cppuhelper/implbase2.hxx>
23 #include <extended/AccessibleGridControlBase.hxx>
24 #include <vcl/accessibletable.hxx>
25 #include <com/sun/star/accessibility/AccessibleScrollType.hpp>
27 namespace accessibility
29 class AccessibleGridControlCell : public AccessibleGridControlBase
31 private:
32 sal_Int32 m_nRowPos; // the row number of the table cell
33 sal_Int32 m_nColPos; // the column id of the table cell
35 protected:
36 // attribute access
37 sal_Int32 getRowPos( ) const { return m_nRowPos; }
38 sal_Int32 getColumnPos( ) const { return m_nColPos; }
40 // XAccessibleComponent
41 virtual void SAL_CALL grabFocus() override;
43 public:
44 // XAccessibleContext
45 virtual OUString SAL_CALL getAccessibleName() override;
47 protected:
48 AccessibleGridControlCell(
49 const css::uno::Reference< css::accessibility::XAccessible >& _rxParent,
50 ::vcl::table::IAccessibleTable& _rTable,
51 sal_Int32 _nRowPos,
52 sal_uInt16 _nColPos,
53 ::vcl::table::AccessibleTableControlObjType _eType
56 virtual ~AccessibleGridControlCell() override = default;
58 private:
59 AccessibleGridControlCell( const AccessibleGridControlCell& ) = delete;
60 AccessibleGridControlCell& operator=( const AccessibleGridControlCell& ) = delete;
63 typedef ::cppu::ImplHelper2 < css::accessibility::XAccessibleText
64 , css::accessibility::XAccessible
65 > AccessibleTextHelper_BASE;
66 // implementation of a table cell of GridControl
67 class AccessibleGridControlTableCell final :public AccessibleGridControlCell
68 ,public AccessibleTextHelper_BASE
69 ,public ::comphelper::OCommonAccessibleText
71 private:
72 // OCommonAccessibleText
73 virtual OUString implGetText() override;
74 virtual css::lang::Locale implGetLocale() override;
75 virtual void implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex ) override final;
76 virtual tools::Rectangle implGetBoundingBox() override;
77 virtual AbsoluteScreenPixelRectangle implGetBoundingBoxOnScreen() override;
79 public:
80 AccessibleGridControlTableCell( const css::uno::Reference< css::accessibility::XAccessible >& _rxParent,
81 ::vcl::table::IAccessibleTable& _rTable,
82 sal_Int32 _nRowId,
83 sal_uInt16 _nColId);
85 // XInterface -------------------------------------------------------------
87 /** Queries for a new interface. */
88 css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType ) override;
90 /** Acquires the object (calls acquire() on base class). */
91 virtual void SAL_CALL acquire() noexcept override;
93 /** Releases the object (calls release() on base class). */
94 virtual void SAL_CALL release() noexcept override;
96 /** @return The index of this object among the parent's children. */
97 virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override;
99 /** @return
100 The name of this class.
102 virtual OUString SAL_CALL getImplementationName() override;
104 /** @return
105 The count of visible children.
107 virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
109 /** @return
110 The XAccessible interface of the specified child.
112 virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
113 getAccessibleChild( sal_Int64 nChildIndex ) override;
115 /** Return a bitset of states of the current object.
117 sal_Int64 implCreateStateSet() override;
119 // XAccessible ------------------------------------------------------------
121 /** @return The XAccessibleContext interface of this object. */
122 virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL
123 getAccessibleContext() override;
125 // XAccessibleText
126 virtual sal_Int32 SAL_CALL getCaretPosition() override;
127 virtual sal_Bool SAL_CALL setCaretPosition( sal_Int32 nIndex ) override;
128 virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) override;
129 virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
130 virtual css::awt::Rectangle SAL_CALL getCharacterBounds( sal_Int32 nIndex ) override;
131 virtual sal_Int32 SAL_CALL getCharacterCount() override;
132 virtual sal_Int32 SAL_CALL getIndexAtPoint( const css::awt::Point& aPoint ) override;
133 virtual OUString SAL_CALL getSelectedText() override;
134 virtual sal_Int32 SAL_CALL getSelectionStart() override;
135 virtual sal_Int32 SAL_CALL getSelectionEnd() override;
136 virtual sal_Bool SAL_CALL setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
137 virtual OUString SAL_CALL getText() override;
138 virtual OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
139 virtual css::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
140 virtual css::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
141 virtual css::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
142 virtual sal_Bool SAL_CALL copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
143 virtual sal_Bool SAL_CALL scrollSubstringTo( sal_Int32 nStartIndex, sal_Int32 nEndIndex, css::accessibility::AccessibleScrollType aScrollType) override;
147 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */