Avoid potential negative array index access to cached text.
[LibreOffice.git] / chart2 / source / controller / inc / AccessibleTextHelper.hxx
blob937af7da05ccf67d6a6707be696805268d977805
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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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
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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
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17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
19 #pragma once
21 #include <memory>
22 #include <comphelper/compbase.hxx>
23 #include <com/sun/star/accessibility/XAccessibleContext.hpp>
24 #include <com/sun/star/awt/XWindow.hpp>
26 // forward declaration of helper class from svx
27 namespace accessibility
29 class AccessibleTextHelper;
32 namespace chart
35 class DrawViewWrapper;
37 namespace impl
39 typedef comphelper::WeakComponentImplHelper<
40 css::accessibility::XAccessibleContext >
41 AccessibleTextHelper_Base;
44 class AccessibleTextHelper final :
45 public impl::AccessibleTextHelper_Base
47 public:
48 explicit AccessibleTextHelper( DrawViewWrapper * pDrawViewWrapper );
49 virtual ~AccessibleTextHelper() override;
51 /** Must be called at least once for this helper class to work.
53 mandatory parameter 0: type string. This is the CID that is used to find
54 the corresponding drawing object that contains the text that should
55 be handled by this helper class.
57 mandatory parameter 1: type XAccessible. Is used as EventSource for the
58 ::accessibility::AccessibleTextHelper (svx)
60 mandatory parameter 2: type awt::XWindow. The Window that shows the
61 text currently.
63 void initialize(const OUString& aCID,
64 const css::uno::Reference< css::accessibility::XAccessible >& xEventSource,
65 const css::uno::Reference< css::awt::XWindow >& xWindow );
67 // ____ XAccessibleContext ____
68 virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
69 virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild(
70 sal_Int64 i ) override;
71 virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent() override;
72 virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override;
73 virtual ::sal_Int16 SAL_CALL getAccessibleRole() override;
74 virtual OUString SAL_CALL getAccessibleDescription() override;
75 virtual OUString SAL_CALL getAccessibleName() override;
76 virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() override;
77 virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;
78 virtual css::lang::Locale SAL_CALL getLocale() override;
80 private:
81 std::unique_ptr<::accessibility::AccessibleTextHelper> m_pTextHelper;
82 DrawViewWrapper * m_pDrawViewWrapper;
85 } // namespace chart
87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */