LCOV - code coverage report
Current view: top level - usr/local/src/libreoffice/include/comphelper - accessibletexthelper.hxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 1 1 100.0 %
Date: 2013-07-09 Functions: 1 2 50.0 %
Legend: Lines: hit not hit

          Line data    Source code
       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 COMPHELPER_ACCESSIBLE_TEXT_HELPER_HXX
      21             : #define COMPHELPER_ACCESSIBLE_TEXT_HELPER_HXX
      22             : 
      23             : #include <com/sun/star/accessibility/XAccessibleText.hpp>
      24             : #include <com/sun/star/accessibility/TextSegment.hpp>
      25             : #include <com/sun/star/i18n/XBreakIterator.hpp>
      26             : #include <com/sun/star/i18n/XCharacterClassification.hpp>
      27             : #include <comphelper/accessiblecomponenthelper.hxx>
      28             : #include <cppuhelper/implbase1.hxx>
      29             : #include "comphelper/comphelperdllapi.h"
      30             : 
      31             : 
      32             : //..............................................................................
      33             : namespace comphelper
      34             : {
      35             : //..............................................................................
      36             : 
      37             :     //==============================================================================
      38             :     // OCommonAccessibleText
      39             :     //==============================================================================
      40             :     /** base class encapsulating common functionality for the helper classes implementing
      41             :         the XAccessibleText
      42             :     */
      43             :     class COMPHELPER_DLLPUBLIC OCommonAccessibleText
      44             :     {
      45             :     private:
      46             :         ::com::sun::star::uno::Reference < ::com::sun::star::i18n::XBreakIterator >             m_xBreakIter;
      47             :         ::com::sun::star::uno::Reference < ::com::sun::star::i18n::XCharacterClassification >   m_xCharClass;
      48             : 
      49             :     protected:
      50             :         OCommonAccessibleText();
      51             :         virtual ~OCommonAccessibleText();
      52             : 
      53             :         ::com::sun::star::uno::Reference < ::com::sun::star::i18n::XBreakIterator >             implGetBreakIterator();
      54             :         ::com::sun::star::uno::Reference < ::com::sun::star::i18n::XCharacterClassification >   implGetCharacterClassification();
      55             :         sal_Bool                                implIsValidBoundary( ::com::sun::star::i18n::Boundary& rBoundary, sal_Int32 nLength );
      56             :         virtual sal_Bool                        implIsValidIndex( sal_Int32 nIndex, sal_Int32 nLength );
      57             :         virtual sal_Bool                        implIsValidRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex, sal_Int32 nLength );
      58             :         virtual OUString                 implGetText() = 0;
      59             :         virtual ::com::sun::star::lang::Locale  implGetLocale() = 0;
      60             :         virtual void                            implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex ) = 0;
      61             :         virtual void                            implGetGlyphBoundary( ::com::sun::star::i18n::Boundary& rBoundary, sal_Int32 nIndex );
      62             :         virtual sal_Bool                        implGetWordBoundary( ::com::sun::star::i18n::Boundary& rBoundary, sal_Int32 nIndex );
      63             :         virtual void                            implGetSentenceBoundary( ::com::sun::star::i18n::Boundary& rBoundary, sal_Int32 nIndex );
      64             :         virtual void                            implGetParagraphBoundary( ::com::sun::star::i18n::Boundary& rBoundary, sal_Int32 nIndex );
      65             :         virtual void                            implGetLineBoundary( ::com::sun::star::i18n::Boundary& rBoundary, sal_Int32 nIndex );
      66             : 
      67             :         /** non-virtual versions of the methods
      68             :         */
      69             :         sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
      70             :         sal_Int32 SAL_CALL getCharacterCount() throw (::com::sun::star::uno::RuntimeException);
      71             :         OUString SAL_CALL getSelectedText() throw (::com::sun::star::uno::RuntimeException);
      72             :         sal_Int32 SAL_CALL getSelectionStart() throw (::com::sun::star::uno::RuntimeException);
      73             :         sal_Int32 SAL_CALL getSelectionEnd() throw (::com::sun::star::uno::RuntimeException);
      74             :         OUString SAL_CALL getText() throw (::com::sun::star::uno::RuntimeException);
      75             :         OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
      76             :         ::com::sun::star::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
      77             :         ::com::sun::star::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
      78             :         ::com::sun::star::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
      79             : 
      80             :     public:
      81             : 
      82             :         /** Helper method, that detects the difference between
      83             :             two strings and returns the deleted selection and
      84             :             the inserted selection if available.
      85             : 
      86             :             @returns true if there are differences between the
      87             :             two strings and false if both are equal
      88             : 
      89             :             @see ::com::sun::star::accessibility::AccessibleEventId
      90             :                  ::com::sun::star::accessibility::TextSegment
      91             :         */
      92             :         static bool implInitTextChangedEvent(
      93             :             const OUString& rOldString,
      94             :             const OUString& rNewString,
      95             :             /*out*/ ::com::sun::star::uno::Any& rDeleted,
      96             :             /*out*/ ::com::sun::star::uno::Any& rInserted); // throw()
      97             :     };
      98             : 
      99             : 
     100             :     //==============================================================================
     101             :     // OAccessibleTextHelper
     102             :     //==============================================================================
     103             : 
     104             :     typedef ::cppu::ImplHelper1 <   ::com::sun::star::accessibility::XAccessibleText
     105             :                                 >   OAccessibleTextHelper_Base;
     106             : 
     107             :     /** a helper class for implementing an AccessibleExtendedComponent which at the same time
     108             :         supports an XAccessibleText interface
     109             :     */
     110         484 :     class COMPHELPER_DLLPUBLIC OAccessibleTextHelper : public OAccessibleExtendedComponentHelper,
     111             :                                   public OCommonAccessibleText,
     112             :                                   public OAccessibleTextHelper_Base
     113             :     {
     114             :     protected:
     115             :         // see the respective base class ctor for an extensive comment on this, please
     116             :         OAccessibleTextHelper( IMutex* _pExternalLock );
     117             : 
     118             :     public:
     119             :         // XInterface
     120             :         DECLARE_XINTERFACE( )
     121             : 
     122             :         // XTypeProvider
     123             :         DECLARE_XTYPEPROVIDER( )
     124             : 
     125             :         // XAccessibleText
     126             :         virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
     127             :         virtual sal_Int32 SAL_CALL getCharacterCount() throw (::com::sun::star::uno::RuntimeException);
     128             :         virtual OUString SAL_CALL getSelectedText() throw (::com::sun::star::uno::RuntimeException);
     129             :         virtual sal_Int32 SAL_CALL getSelectionStart() throw (::com::sun::star::uno::RuntimeException);
     130             :         virtual sal_Int32 SAL_CALL getSelectionEnd() throw (::com::sun::star::uno::RuntimeException);
     131             :         virtual OUString SAL_CALL getText() throw (::com::sun::star::uno::RuntimeException);
     132             :         virtual OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException);
     133             :         virtual ::com::sun::star::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
     134             :         virtual ::com::sun::star::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
     135             :         virtual ::com::sun::star::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
     136             :     };
     137             : 
     138             : //..............................................................................
     139             : }   // namespace comphelper
     140             : //..............................................................................
     141             : 
     142             : #endif // COMPHELPER_ACCESSIBLE_TEXT_HELPER_HXX
     143             : 
     144             : 
     145             : // -----------------------------------------------------------------------------
     146             : //
     147             : //  OAccessibleTextHelper is a helper class for implementing the
     148             : //  XAccessibleText interface.
     149             : //
     150             : //  The following methods have a default implementation:
     151             : //
     152             : //      getCharacter
     153             : //      getCharacterCount
     154             : //      getSelectedText
     155             : //      getSelectionStart
     156             : //      getSelectionEnd
     157             : //      getText
     158             : //      getTextRange
     159             : //      getTextAtIndex
     160             : //      getTextBeforeIndex
     161             : //      getTextBehindIndex
     162             : //
     163             : //  The following methods must be overriden by derived classes:
     164             : //
     165             : //      implGetText
     166             : //      implGetLocale
     167             : //      implGetSelection
     168             : //      getCaretPosition
     169             : //      setCaretPosition
     170             : //      getCharacterAttributes
     171             : //      getCharacterBounds
     172             : //      getIndexAtPoint
     173             : //      setSelection
     174             : //      copyText
     175             : //
     176             : // -----------------------------------------------------------------------------
     177             : 
     178             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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