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Diffstat (limited to 'comphelper/source/misc/accessibletexthelper.cxx')
| -rw-r--r-- | comphelper/source/misc/accessibletexthelper.cxx | 800 |
1 files changed, 800 insertions, 0 deletions
diff --git a/comphelper/source/misc/accessibletexthelper.cxx b/comphelper/source/misc/accessibletexthelper.cxx new file mode 100644 index 000000000..27747b3bc --- /dev/null +++ b/comphelper/source/misc/accessibletexthelper.cxx @@ -0,0 +1,800 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <comphelper/accessibletexthelper.hxx> +#include <com/sun/star/accessibility/AccessibleTextType.hpp> +#include <com/sun/star/i18n/BreakIterator.hpp> +#include <com/sun/star/i18n/CharacterIteratorMode.hpp> +#include <com/sun/star/i18n/CharacterClassification.hpp> +#include <com/sun/star/i18n/WordType.hpp> +#include <com/sun/star/i18n/KCharacterType.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <comphelper/processfactory.hxx> +#include <com/sun/star/accessibility/TextSegment.hpp> + +#include <algorithm> + + +namespace comphelper +{ + + + using namespace ::com::sun::star; + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::beans; + using namespace ::com::sun::star::accessibility; + + + // OCommonAccessibleText + + + OCommonAccessibleText::OCommonAccessibleText() + { + } + + + OCommonAccessibleText::~OCommonAccessibleText() + { + } + + + Reference < i18n::XBreakIterator > const & OCommonAccessibleText::implGetBreakIterator() + { + if ( !m_xBreakIter.is() ) + { + Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext(); + m_xBreakIter = i18n::BreakIterator::create(xContext); + } + + return m_xBreakIter; + } + + + Reference < i18n::XCharacterClassification > const & OCommonAccessibleText::implGetCharacterClassification() + { + if ( !m_xCharClass.is() ) + { + m_xCharClass = i18n::CharacterClassification::create( ::comphelper::getProcessComponentContext() ); + } + + return m_xCharClass; + } + + + bool OCommonAccessibleText::implIsValidBoundary( i18n::Boundary const & rBoundary, sal_Int32 nLength ) + { + return ( rBoundary.startPos >= 0 ) && ( rBoundary.startPos < nLength ) && ( rBoundary.endPos >= 0 ) && ( rBoundary.endPos <= nLength ); + } + + + bool OCommonAccessibleText::implIsValidIndex( sal_Int32 nIndex, sal_Int32 nLength ) + { + return ( nIndex >= 0 ) && ( nIndex < nLength ); + } + + + bool OCommonAccessibleText::implIsValidRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex, sal_Int32 nLength ) + { + return ( nStartIndex >= 0 ) && ( nStartIndex <= nLength ) && ( nEndIndex >= 0 ) && ( nEndIndex <= nLength ); + } + + + void OCommonAccessibleText::implGetGlyphBoundary( const OUString& rText, i18n::Boundary& rBoundary, sal_Int32 nIndex ) + { + if ( implIsValidIndex( nIndex, rText.getLength() ) ) + { + Reference < i18n::XBreakIterator > xBreakIter = implGetBreakIterator(); + if ( xBreakIter.is() ) + { + sal_Int32 nCount = 1; + sal_Int32 nDone; + sal_Int32 nStartIndex = xBreakIter->previousCharacters( rText, nIndex, implGetLocale(), i18n::CharacterIteratorMode::SKIPCELL, nCount, nDone ); + if ( nDone != 0 ) + nStartIndex = xBreakIter->nextCharacters( rText, nStartIndex, implGetLocale(), i18n::CharacterIteratorMode::SKIPCELL, nCount, nDone ); + sal_Int32 nEndIndex = xBreakIter->nextCharacters( rText, nStartIndex, implGetLocale(), i18n::CharacterIteratorMode::SKIPCELL, nCount, nDone ); + if ( nDone != 0 ) + { + rBoundary.startPos = nStartIndex; + rBoundary.endPos = nEndIndex; + } + } + } + else + { + rBoundary.startPos = nIndex; + rBoundary.endPos = nIndex; + } + } + + + bool OCommonAccessibleText::implGetWordBoundary( const OUString& rText, i18n::Boundary& rBoundary, sal_Int32 nIndex ) + { + bool bWord = false; + + if ( implIsValidIndex( nIndex, rText.getLength() ) ) + { + Reference < i18n::XBreakIterator > xBreakIter = implGetBreakIterator(); + if ( xBreakIter.is() ) + { + rBoundary = xBreakIter->getWordBoundary( rText, nIndex, implGetLocale(), i18n::WordType::ANY_WORD, true ); + + // it's a word, if the first character is an alpha-numeric character + Reference< i18n::XCharacterClassification > xCharClass = implGetCharacterClassification(); + if ( xCharClass.is() ) + { + sal_Int32 nType = xCharClass->getCharacterType( rText, rBoundary.startPos, implGetLocale() ); + if ( ( nType & ( i18n::KCharacterType::LETTER | i18n::KCharacterType::DIGIT ) ) != 0 ) + bWord = true; + } + } + } + else + { + rBoundary.startPos = nIndex; + rBoundary.endPos = nIndex; + } + + return bWord; + } + + + void OCommonAccessibleText::implGetSentenceBoundary( const OUString& rText, i18n::Boundary& rBoundary, sal_Int32 nIndex ) + { + if ( implIsValidIndex( nIndex, rText.getLength() ) ) + { + Locale aLocale = implGetLocale(); + Reference < i18n::XBreakIterator > xBreakIter = implGetBreakIterator(); + if ( xBreakIter.is() ) + { + rBoundary.endPos = xBreakIter->endOfSentence( rText, nIndex, aLocale ); + rBoundary.startPos = xBreakIter->beginOfSentence( rText, rBoundary.endPos, aLocale ); + } + } + else + { + rBoundary.startPos = nIndex; + rBoundary.endPos = nIndex; + } + } + + + void OCommonAccessibleText::implGetParagraphBoundary( const OUString& rText, i18n::Boundary& rBoundary, sal_Int32 nIndex ) + { + if ( implIsValidIndex( nIndex, rText.getLength() ) ) + { + rBoundary.startPos = 0; + rBoundary.endPos = rText.getLength(); + + sal_Int32 nFound = rText.lastIndexOf( '\n', nIndex ); + if ( nFound != -1 ) + rBoundary.startPos = nFound + 1; + + nFound = rText.indexOf( '\n', nIndex ); + if ( nFound != -1 ) + rBoundary.endPos = nFound + 1; + } + else + { + rBoundary.startPos = nIndex; + rBoundary.endPos = nIndex; + } + } + + + void OCommonAccessibleText::implGetLineBoundary( const OUString& rText, i18n::Boundary& rBoundary, sal_Int32 nIndex ) + { + sal_Int32 nLength = rText.getLength(); + + if ( implIsValidIndex( nIndex, nLength ) || nIndex == nLength ) + { + rBoundary.startPos = 0; + rBoundary.endPos = nLength; + } + else + { + rBoundary.startPos = nIndex; + rBoundary.endPos = nIndex; + } + } + + + sal_Unicode OCommonAccessibleText::implGetCharacter( std::u16string_view rText, sal_Int32 nIndex ) + { + if ( !implIsValidIndex( nIndex, rText.size() ) ) + throw IndexOutOfBoundsException(); + + return rText[nIndex]; + } + + OUString OCommonAccessibleText::getSelectedText() + { + OUString sText; + sal_Int32 nStartIndex; + sal_Int32 nEndIndex; + + implGetSelection( nStartIndex, nEndIndex ); + + try + { + sText = implGetTextRange( implGetText(), nStartIndex, nEndIndex ); + } + catch ( IndexOutOfBoundsException& ) + { + } + + return sText; + } + + + sal_Int32 OCommonAccessibleText::getSelectionStart() + { + sal_Int32 nStartIndex; + sal_Int32 nEndIndex; + + implGetSelection( nStartIndex, nEndIndex ); + + return nStartIndex; + } + + + sal_Int32 OCommonAccessibleText::getSelectionEnd() + { + sal_Int32 nStartIndex; + sal_Int32 nEndIndex; + + implGetSelection( nStartIndex, nEndIndex ); + + return nEndIndex; + } + + + OUString OCommonAccessibleText::implGetTextRange( std::u16string_view rText, sal_Int32 nStartIndex, sal_Int32 nEndIndex ) + { + + if ( !implIsValidRange( nStartIndex, nEndIndex, rText.size() ) ) + throw IndexOutOfBoundsException(); + + sal_Int32 nMinIndex = std::min( nStartIndex, nEndIndex ); + sal_Int32 nMaxIndex = std::max( nStartIndex, nEndIndex ); + + return OUString(rText.substr( nMinIndex, nMaxIndex - nMinIndex )); + } + + TextSegment OCommonAccessibleText::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) + { + OUString sText( implGetText() ); + sal_Int32 nLength = sText.getLength(); + + if ( !implIsValidIndex( nIndex, nLength ) && nIndex != nLength ) + throw IndexOutOfBoundsException(); + + i18n::Boundary aBoundary; + TextSegment aResult; + aResult.SegmentStart = -1; + aResult.SegmentEnd = -1; + + switch ( aTextType ) + { + case AccessibleTextType::CHARACTER: + { + if ( implIsValidIndex( nIndex, nLength ) ) + { + aResult.SegmentText = sText.copy( nIndex, 1 ); + aResult.SegmentStart = nIndex; + aResult.SegmentEnd = nIndex+1; + } + } + break; + case AccessibleTextType::GLYPH: + { + // get glyph at index + implGetGlyphBoundary( sText, aBoundary, nIndex ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + break; + case AccessibleTextType::WORD: + { + // get word at index + bool bWord = implGetWordBoundary( sText, aBoundary, nIndex ); + if ( bWord && implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + break; + case AccessibleTextType::SENTENCE: + { + // get sentence at index + implGetSentenceBoundary( sText, aBoundary, nIndex ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + break; + case AccessibleTextType::PARAGRAPH: + { + // get paragraph at index + implGetParagraphBoundary( sText, aBoundary, nIndex ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + break; + case AccessibleTextType::LINE: + { + // get line at index + implGetLineBoundary( sText, aBoundary, nIndex ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + break; + case AccessibleTextType::ATTRIBUTE_RUN: + { + // TODO: implGetAttributeRunBoundary() (incompatible!) + + aResult.SegmentText = sText; + aResult.SegmentStart = 0; + aResult.SegmentEnd = nLength; + } + break; + default: + { + // unknown text type + } + } + + return aResult; + } + + + TextSegment OCommonAccessibleText::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) + { + OUString sText( implGetText() ); + sal_Int32 nLength = sText.getLength(); + + if ( !implIsValidIndex( nIndex, nLength ) && nIndex != nLength ) + throw IndexOutOfBoundsException(); + + i18n::Boundary aBoundary; + TextSegment aResult; + aResult.SegmentStart = -1; + aResult.SegmentEnd = -1; + + switch ( aTextType ) + { + case AccessibleTextType::CHARACTER: + { + if ( implIsValidIndex( nIndex - 1, nLength ) ) + { + aResult.SegmentText = sText.copy( nIndex - 1, 1 ); + aResult.SegmentStart = nIndex-1; + aResult.SegmentEnd = nIndex; + } + } + break; + case AccessibleTextType::GLYPH: + { + // get glyph at index + implGetGlyphBoundary( sText, aBoundary, nIndex ); + // get previous glyph + if ( aBoundary.startPos > 0 ) + { + implGetGlyphBoundary( sText, aBoundary, aBoundary.startPos - 1 ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + } + break; + case AccessibleTextType::WORD: + { + // get word at index + implGetWordBoundary( sText, aBoundary, nIndex ); + // get previous word + bool bWord = false; + while ( !bWord && aBoundary.startPos > 0 ) + bWord = implGetWordBoundary( sText, aBoundary, aBoundary.startPos - 1 ); + if ( bWord && implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + break; + case AccessibleTextType::SENTENCE: + { + // get sentence at index + implGetSentenceBoundary( sText, aBoundary, nIndex ); + // get previous sentence + if ( aBoundary.startPos > 0 ) + { + implGetSentenceBoundary( sText, aBoundary, aBoundary.startPos - 1 ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + } + break; + case AccessibleTextType::PARAGRAPH: + { + // get paragraph at index + implGetParagraphBoundary( sText, aBoundary, nIndex ); + // get previous paragraph + if ( aBoundary.startPos > 0 ) + { + implGetParagraphBoundary( sText, aBoundary, aBoundary.startPos - 1 ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + } + break; + case AccessibleTextType::LINE: + { + // get line at index + implGetLineBoundary( sText, aBoundary, nIndex ); + // get previous line + if ( aBoundary.startPos > 0 ) + { + implGetLineBoundary( sText, aBoundary, aBoundary.startPos - 1 ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + } + break; + case AccessibleTextType::ATTRIBUTE_RUN: + { + // TODO: implGetAttributeRunBoundary() (incompatible!) + } + break; + default: + { + // unknown text type + } + } + + return aResult; + } + + + TextSegment OCommonAccessibleText::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) + { + OUString sText( implGetText() ); + sal_Int32 nLength = sText.getLength(); + + if ( !implIsValidIndex( nIndex, nLength ) && nIndex != nLength ) + throw IndexOutOfBoundsException(); + + i18n::Boundary aBoundary; + TextSegment aResult; + aResult.SegmentStart = -1; + aResult.SegmentEnd = -1; + + switch ( aTextType ) + { + case AccessibleTextType::CHARACTER: + { + if ( implIsValidIndex( nIndex + 1, nLength ) ) + { + aResult.SegmentText = sText.copy( nIndex + 1, 1 ); + aResult.SegmentStart = nIndex+1; + aResult.SegmentEnd = nIndex+2; + } + } + break; + case AccessibleTextType::GLYPH: + { + // get glyph at index + implGetGlyphBoundary( sText, aBoundary, nIndex ); + // get next glyph + if ( aBoundary.endPos < nLength ) + { + implGetGlyphBoundary( sText, aBoundary, aBoundary.endPos ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + } + break; + case AccessibleTextType::WORD: + { + // get word at index + implGetWordBoundary( sText, aBoundary, nIndex ); + // get next word + bool bWord = false; + while ( !bWord && aBoundary.endPos < nLength ) + bWord = implGetWordBoundary( sText, aBoundary, aBoundary.endPos ); + if ( bWord && implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + break; + case AccessibleTextType::SENTENCE: + { + // get sentence at index + implGetSentenceBoundary( sText, aBoundary, nIndex ); + // get next sentence + sal_Int32 nEnd = aBoundary.endPos; + sal_Int32 nI = aBoundary.endPos; + bool bFound = false; + while ( !bFound && ++nI < nLength ) + { + implGetSentenceBoundary( sText, aBoundary, nI ); + bFound = ( aBoundary.endPos > nEnd ); + } + if ( bFound && implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + break; + case AccessibleTextType::PARAGRAPH: + { + // get paragraph at index + implGetParagraphBoundary( sText, aBoundary, nIndex ); + // get next paragraph + if ( aBoundary.endPos < nLength ) + { + implGetParagraphBoundary( sText, aBoundary, aBoundary.endPos ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + } + break; + case AccessibleTextType::LINE: + { + // get line at index + implGetLineBoundary( sText, aBoundary, nIndex ); + // get next line + if ( aBoundary.endPos < nLength ) + { + implGetLineBoundary( sText, aBoundary, aBoundary.endPos ); + if ( implIsValidBoundary( aBoundary, nLength ) ) + { + aResult.SegmentText = sText.copy( aBoundary.startPos, aBoundary.endPos - aBoundary.startPos ); + aResult.SegmentStart = aBoundary.startPos; + aResult.SegmentEnd = aBoundary.endPos; + } + } + } + break; + case AccessibleTextType::ATTRIBUTE_RUN: + { + // TODO: implGetAttributeRunBoundary() (incompatible!) + } + break; + default: + { + // unknown text type + } + } + + return aResult; + } + + + bool OCommonAccessibleText::implInitTextChangedEvent( + std::u16string_view rOldString, + std::u16string_view rNewString, + css::uno::Any& rDeleted, + css::uno::Any& rInserted) // throw() + { + size_t nLenOld = rOldString.size(); + size_t nLenNew = rNewString.size(); + + // equal + if ((0 == nLenOld) && (0 == nLenNew)) + return false; + + TextSegment aDeletedText; + TextSegment aInsertedText; + + aDeletedText.SegmentStart = -1; + aDeletedText.SegmentEnd = -1; + aInsertedText.SegmentStart = -1; + aInsertedText.SegmentEnd = -1; + + // insert only + if ((0 == nLenOld) && (nLenNew > 0)) + { + aInsertedText.SegmentStart = 0; + aInsertedText.SegmentEnd = nLenNew; + aInsertedText.SegmentText = rNewString.substr( aInsertedText.SegmentStart, aInsertedText.SegmentEnd - aInsertedText.SegmentStart ); + + rInserted <<= aInsertedText; + return true; + } + + // delete only + if ((nLenOld > 0) && (0 == nLenNew)) + { + aDeletedText.SegmentStart = 0; + aDeletedText.SegmentEnd = nLenOld; + aDeletedText.SegmentText = rOldString.substr( aDeletedText.SegmentStart, aDeletedText.SegmentEnd - aDeletedText.SegmentStart ); + + rDeleted <<= aDeletedText; + return true; + } + + auto pFirstDiffOld = rOldString.begin(); + auto pLastDiffOld = rOldString.end(); + auto pFirstDiffNew = rNewString.begin(); + auto pLastDiffNew = rNewString.end(); + + // find first difference + while ((pFirstDiffOld < pLastDiffOld) && (pFirstDiffNew < pLastDiffNew) + && (*pFirstDiffOld == *pFirstDiffNew)) + { + pFirstDiffOld++; + pFirstDiffNew++; + } + + // equality test + if (pFirstDiffOld == pLastDiffOld && pFirstDiffNew == pLastDiffNew) + return false; + + // find last difference + while ( ( pLastDiffOld > pFirstDiffOld) && + ( pLastDiffNew > pFirstDiffNew) && + (pLastDiffOld[-1] == pLastDiffNew[-1])) + { + pLastDiffOld--; + pLastDiffNew--; + } + + if (pFirstDiffOld < pLastDiffOld) + { + aDeletedText.SegmentStart = pFirstDiffOld - rOldString.begin(); + aDeletedText.SegmentEnd = pLastDiffOld - rOldString.begin(); + aDeletedText.SegmentText = rOldString.substr( aDeletedText.SegmentStart, aDeletedText.SegmentEnd - aDeletedText.SegmentStart ); + + rDeleted <<= aDeletedText; + } + + if (pFirstDiffNew < pLastDiffNew) + { + aInsertedText.SegmentStart = pFirstDiffNew - rNewString.begin(); + aInsertedText.SegmentEnd = pLastDiffNew - rNewString.begin(); + aInsertedText.SegmentText = rNewString.substr( aInsertedText.SegmentStart, aInsertedText.SegmentEnd - aInsertedText.SegmentStart ); + + rInserted <<= aInsertedText; + } + return true; + } + + + // OAccessibleTextHelper + + + OAccessibleTextHelper::OAccessibleTextHelper( ) + { + } + + + // XInterface + + + IMPLEMENT_FORWARD_XINTERFACE2( OAccessibleTextHelper, OAccessibleExtendedComponentHelper, OAccessibleTextHelper_Base ) + + + // XTypeProvider + + + IMPLEMENT_FORWARD_XTYPEPROVIDER2( OAccessibleTextHelper, OAccessibleExtendedComponentHelper, OAccessibleTextHelper_Base ) + + + // XAccessibleText + + + OUString OAccessibleTextHelper::getSelectedText() + { + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getSelectedText(); + } + + + sal_Int32 OAccessibleTextHelper::getSelectionStart() + { + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getSelectionStart(); + } + + + sal_Int32 OAccessibleTextHelper::getSelectionEnd() + { + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getSelectionEnd(); + } + + + TextSegment OAccessibleTextHelper::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) + { + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getTextAtIndex( nIndex, aTextType ); + } + + + TextSegment OAccessibleTextHelper::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) + { + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getTextBeforeIndex( nIndex, aTextType ); + } + + + TextSegment OAccessibleTextHelper::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) + { + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getTextBehindIndex( nIndex, aTextType ); + } + + +} // namespace comphelper + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |