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/* -*- 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 .
*/
#ifndef INCLUDED_SW_SOURCE_CORE_ACCESS_ACCPARA_HXX
#define INCLUDED_SW_SOURCE_CORE_ACCESS_ACCPARA_HXX
#include "acccontext.hxx"
#include <com/sun/star/accessibility/AccessibleScrollType.hpp>
#include <com/sun/star/accessibility/XAccessibleEditableText.hpp>
#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
#include <com/sun/star/accessibility/XAccessibleHypertext.hpp>
#include <com/sun/star/accessibility/XAccessibleTextMarkup.hpp>
#include <com/sun/star/accessibility/XAccessibleMultiLineText.hpp>
#include <com/sun/star/accessibility/XAccessibleTextSelection.hpp>
#include <com/sun/star/accessibility/XAccessibleExtendedAttributes.hpp>
#include <com/sun/star/accessibility/XAccessibleTextAttributes.hpp>
#include "accselectionhelper.hxx"
#include <unordered_map>
#include <svl/lstner.hxx>
class SwTextFrame;
class SwPaM;
class SwAccessiblePortionData;
class SwAccessibleHyperTextData;
class SwRangeRedline;
class SwXTextPortion;
class SwParaChangeTrackingInfo; //#i108125#
namespace com::sun::star {
namespace i18n { struct Boundary; }
namespace style { struct TabStop; }
}
typedef std::unordered_map< OUString,
css::beans::PropertyValue > tAccParaPropValMap;
using SwAccessibleParagraph_BASE = cppu::ImplInheritanceHelper<SwAccessibleContext,
css::accessibility::XAccessibleEditableText,
css::accessibility::XAccessibleSelection,
css::accessibility::XAccessibleHypertext,
css::accessibility::XAccessibleTextMarkup,
css::accessibility::XAccessibleMultiLineText,
css::accessibility::XAccessibleTextAttributes,
css::accessibility::XAccessibleTextSelection,
css::accessibility::XAccessibleExtendedAttributes>;
class SwAccessibleParagraph :
public SfxListener,
public SwAccessibleParagraph_BASE
{
friend class SwAccessibleHyperlink;
// data for this paragraph's text portions; this contains the
// mapping from the core 'model string' to the accessible text
// string.
// pPortionData may be NULL; it should only be accessed through the
// Get/Clear/Has/UpdatePortionData() methods
std::unique_ptr<SwAccessiblePortionData> m_pPortionData;
std::unique_ptr<SwAccessibleHyperTextData> m_pHyperTextData;
sal_Int32 m_nOldCaretPos; // The 'old' caret pos. It's only valid as long
// as the cursor is inside this object (protected by
// mutex)
bool m_bIsBlockQuote;
bool m_bIsHeading; // protected by base classes mutex
sal_Int32 m_nHeadingLevel;
// implementation for XAccessibleSelection
SwAccessibleSelectionHelper m_aSelectionHelper;
std::unique_ptr<SwParaChangeTrackingInfo> mpParaChangeTrackInfo; // #i108125#
// XAccessibleComponent
bool m_bLastHasSelection;
const SwTextFrame* GetTextFrame() const;
/// get the (accessible) text string (requires frame; check before)
OUString const & GetString();
// get the current caret position
sal_Int32 GetCaretPos();
// determine the current selection. Fill the values with
// -1 if there is no selection in the this paragraph
// @param pSelection (optional) check only Nth selection in ring
bool GetSelectionAtIndex(sal_Int32 * pSelection, sal_Int32& nStart, sal_Int32& nEnd);
bool GetSelection(sal_Int32& nStart, sal_Int32& nEnd) {
return GetSelectionAtIndex(nullptr, nStart, nEnd);
}
// helper for GetSelection and getCaretPosition
// #i27301# - add parameter <_bForSelection>, which indicates,
// if the cursor is retrieved for selection or for caret position.
SwPaM* GetCursor( const bool _bForSelection );
// for cut/copy/paste: execute a particular slot at the view shell
void ExecuteAtViewShell( sal_uInt16 nSlot );
// helper method for get/setAttributes
// (for the special case of (nEndIndex==-1) a single character will
// be selected)
rtl::Reference<SwXTextPortion> CreateUnoPortion( sal_Int32 nStart, sal_Int32 nEnd );
// methods for checking the parameter range:
// does nPos point to a char?
static bool IsValidChar(sal_Int32 nPos, sal_Int32 nLength);
// does nPos point to a position? (may be behind the last character)
static bool IsValidPosition(sal_Int32 nPos, sal_Int32 nLength);
// is nBegin...nEnd a valid range? (nEnd points past the last character)
static bool IsValidRange(sal_Int32 nBegin, sal_Int32 nEnd, sal_Int32 nLength);
// Ensure ordered range (i.e. nBegin is smaller then nEnd)
static void OrderRange(sal_Int32& nBegin, sal_Int32& nEnd)
{
if( nBegin > nEnd )
std::swap( nBegin, nEnd );
}
const SwRangeRedline* GetRedlineAtIndex();
OUString GetFieldTypeNameAtIndex(sal_Int32 nIndex);
// #i63870#
void _getDefaultAttributesImpl(
const css::uno::Sequence< OUString >& aRequestedAttributes,
tAccParaPropValMap& rDefAttrSeq,
const bool bOnlyCharAttrs = false );
void _getRunAttributesImpl(
const sal_Int32 nIndex,
const css::uno::Sequence< OUString >& aRequestedAttributes,
tAccParaPropValMap& rRunAttrSeq );
void _getSupplementalAttributesImpl(
const css::uno::Sequence< OUString >& aRequestedAttributes,
tAccParaPropValMap& rSupplementalAttrSeq );
void _correctValues(
const sal_Int32 nIndex,
std::vector< css::beans::PropertyValue >& rValues );
public:
bool IsHeading() const;
protected:
// Set states for getAccessibleStateSet.
// This derived class additionally sets MULTILINE(1), MULTISELECTABLE(+),
// FOCUSABLE(+) and FOCUSED(+)
virtual void GetStates( sal_Int64& rStateSet ) override;
virtual void InvalidateContent_( bool bVisibleDataFired ) override;
virtual void InvalidateCursorPos_() override;
virtual void InvalidateFocus_() override;
virtual ~SwAccessibleParagraph() override;
// handling of data for the text portions
// force update of new portion data
/// @throws css::uno::RuntimeException
void UpdatePortionData();
// remove the current portion data
void ClearPortionData();
// get portion data; update if necessary
/// @throws css::uno::RuntimeException
SwAccessiblePortionData& GetPortionData()
{
if( m_pPortionData == nullptr )
UpdatePortionData();
return *m_pPortionData;
}
//helpers for word boundaries
bool GetCharBoundary( css::i18n::Boundary& rBound,
std::u16string_view text,
sal_Int32 nPos );
bool GetWordBoundary( css::i18n::Boundary& rBound,
const OUString& rText,
sal_Int32 nPos );
bool GetSentenceBoundary( css::i18n::Boundary& rBound,
const OUString& rText,
sal_Int32 nPos );
bool GetLineBoundary( css::i18n::Boundary& rBound,
std::u16string_view aText,
sal_Int32 nPos );
static bool GetParagraphBoundary( css::i18n::Boundary& rBound,
std::u16string_view aText );
bool GetAttributeBoundary( css::i18n::Boundary& rBound,
sal_Int32 nPos );
bool GetGlyphBoundary( css::i18n::Boundary& rBound,
const OUString& rText,
sal_Int32 nPos );
// get boundaries of word/sentence/etc. for specified text type
// Does all argument checking, and then delegates to helper methods above.
/// @throws css::lang::IndexOutOfBoundsException
/// @throws css::lang::IllegalArgumentException
/// @throws css::uno::RuntimeException
bool GetTextBoundary( css::i18n::Boundary& rBound,
const OUString& rText,
sal_Int32 nPos,
sal_Int16 aTextType );
virtual void Notify(SfxBroadcaster& rBC, const SfxHint& rHint) override;
public:
SwAccessibleParagraph( std::shared_ptr<SwAccessibleMap> const& pInitMap,
const SwTextFrame& rTextFrame );
virtual bool HasCursor() override; // required by map to remember that object
css::uno::Sequence< css::style::TabStop > GetCurrentTabStop( sal_Int32 nIndex );
virtual sal_Int16 SAL_CALL getAccessibleRole() override;
// XAccessibleContext
// Return this object's description.
virtual OUString SAL_CALL
getAccessibleDescription() override;
// Return the parents locale or throw exception if this object has no
// parent yet/anymore.
virtual css::lang::Locale SAL_CALL
getLocale() override;
// #i27138# - paragraphs are in relation CONTENT_FLOWS_FROM and/or CONTENT_FLOWS_TO
virtual css::uno::Reference<
css::accessibility::XAccessibleRelationSet> SAL_CALL
getAccessibleRelationSet() override;
// XAccessibleComponent
virtual void SAL_CALL grabFocus() override;
// #i71385#
virtual sal_Int32 SAL_CALL getForeground() override;
virtual sal_Int32 SAL_CALL getBackground() override;
// XServiceInfo
// Returns an identifier for the implementation of this object.
virtual OUString SAL_CALL
getImplementationName() override;
// Returns a list of all supported services. In this case that is just
// the AccessibleContext service.
virtual css::uno::Sequence< OUString> SAL_CALL
getSupportedServiceNames() override;
// XAccessibleText
virtual sal_Int32 SAL_CALL getCaretPosition() override;
virtual sal_Bool SAL_CALL setCaretPosition( sal_Int32 nIndex ) override;
virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) override;
virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
virtual css::awt::Rectangle SAL_CALL getCharacterBounds( sal_Int32 nIndex ) override;
virtual sal_Int32 SAL_CALL getCharacterCount( ) override;
virtual sal_Int32 SAL_CALL getIndexAtPoint( const css::awt::Point& aPoint ) override;
virtual OUString SAL_CALL getSelectedText( ) override;
virtual sal_Int32 SAL_CALL getSelectionStart() override;
virtual sal_Int32 SAL_CALL getSelectionEnd() override;
virtual sal_Bool SAL_CALL setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
virtual OUString SAL_CALL getText( ) override;
virtual OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
virtual css::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
virtual css::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
virtual css::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
virtual sal_Bool SAL_CALL copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
virtual sal_Bool SAL_CALL scrollSubstringTo( sal_Int32 nStartIndex, sal_Int32 nEndIndex, css::accessibility::AccessibleScrollType aScrollType) override;
// XAccessibleEditableText
virtual sal_Bool SAL_CALL cutText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
virtual sal_Bool SAL_CALL pasteText( sal_Int32 nIndex ) override;
virtual sal_Bool SAL_CALL deleteText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
virtual sal_Bool SAL_CALL insertText( const OUString& sText, sal_Int32 nIndex ) override;
virtual sal_Bool SAL_CALL replaceText( sal_Int32 nStartIndex, sal_Int32 nEndIndex, const OUString& sReplacement ) override;
virtual sal_Bool SAL_CALL setAttributes( sal_Int32 nStartIndex, sal_Int32 nEndIndex, const css::uno::Sequence< css::beans::PropertyValue >& aAttributeSet ) override;
virtual sal_Bool SAL_CALL setText( const OUString& sText ) override;
// XAccessibleSelection
virtual void SAL_CALL selectAccessibleChild(
sal_Int64 nChildIndex ) override;
virtual sal_Bool SAL_CALL isAccessibleChildSelected(
sal_Int64 nChildIndex ) override;
virtual void SAL_CALL clearAccessibleSelection( ) override;
virtual void SAL_CALL selectAllAccessibleChildren( ) override;
virtual sal_Int64 SAL_CALL getSelectedAccessibleChildCount( ) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild(
sal_Int64 nSelectedChildIndex ) override;
// index has to be treated as global child index.
virtual void SAL_CALL deselectAccessibleChild(
sal_Int64 nChildIndex ) override;
// XAccessibleHypertext
virtual sal_Int32 SAL_CALL getHyperLinkCount() override;
virtual css::uno::Reference<
css::accessibility::XAccessibleHyperlink >
SAL_CALL getHyperLink( sal_Int32 nLinkIndex ) override;
virtual sal_Int32 SAL_CALL getHyperLinkIndex( sal_Int32 nCharIndex ) override;
// #i71360#
// XAccessibleTextMarkup
virtual sal_Int32 SAL_CALL getTextMarkupCount( sal_Int32 nTextMarkupType ) override;
virtual css::accessibility::TextSegment SAL_CALL
getTextMarkup( sal_Int32 nTextMarkupIndex,
sal_Int32 nTextMarkupType ) override;
virtual css::uno::Sequence< css::accessibility::TextSegment > SAL_CALL
getTextMarkupAtIndex( sal_Int32 nCharIndex,
sal_Int32 nTextMarkupType ) override;
// XAccessibleTextSelection
virtual sal_Bool SAL_CALL scrollToPosition( const css::awt::Point& aPoint, sal_Bool isLeftTop ) override;
virtual sal_Int32 SAL_CALL getSelectedPortionCount( ) override;
virtual sal_Int32 SAL_CALL getSeletedPositionStart( sal_Int32 nSelectedPortionIndex ) override;
virtual sal_Int32 SAL_CALL getSeletedPositionEnd( sal_Int32 nSelectedPortionIndex ) override;
virtual sal_Bool SAL_CALL removeSelection( sal_Int32 selectionIndex ) override;
virtual sal_Int32 SAL_CALL addSelection( sal_Int32 selectionIndex, sal_Int32 startOffset, sal_Int32 endOffset) override;
// XAccessibleExtendedAttributes
virtual OUString SAL_CALL getExtendedAttributes() override;
sal_Int32 GetRealHeadingLevel();
bool IsBlockQuote();
// #i89175#
// XAccessibleMultiLineText
virtual sal_Int32 SAL_CALL getLineNumberAtIndex( sal_Int32 nIndex ) override;
virtual css::accessibility::TextSegment SAL_CALL
getTextAtLineNumber( sal_Int32 nLineNo ) override;
virtual css::accessibility::TextSegment SAL_CALL
getTextAtLineWithCaret() override;
virtual sal_Int32 SAL_CALL getNumberOfLineWithCaret() override;
// #i63870#
// XAccessibleTextAttributes
virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getDefaultAttributes( const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getRunAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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