include/editeng/AccessibleEditableTextPara.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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 INCLUDED_EDITENG_ACCESSIBLEEDITABLETEXTPARA_HXX
  21 #define INCLUDED_EDITENG_ACCESSIBLEEDITABLETEXTPARA_HXX
  22
  23 #include <rtl/ustring.hxx>
  24 #include <tools/gen.hxx>
  25 #include <cppuhelper/weakref.hxx>
  26 #include <cppuhelper/compbase9.hxx>
  27 #include <cppuhelper/typeprovider.hxx>
  28 #include <cppuhelper/interfacecontainer.hxx>
  29
  30 #include <com/sun/star/uno/Reference.hxx>
  31 #include <com/sun/star/lang/XServiceInfo.hpp>
  32 #include <com/sun/star/accessibility/XAccessible.hpp>
  33 #include <com/sun/star/accessibility/XAccessibleContext.hpp>
  34 #include <com/sun/star/accessibility/XAccessibleComponent.hpp>
  35 #include <com/sun/star/accessibility/XAccessibleEditableText.hpp>
  36 #include <com/sun/star/accessibility/XAccessibleTextAttributes.hpp>
  37 #include <com/sun/star/accessibility/XAccessibleHypertext.hpp>
  38 #include <com/sun/star/accessibility/XAccessibleMultiLineText.hpp>
  39
  40 #include <comphelper/accessibletexthelper.hxx>
  41 #include <comphelper/broadcasthelper.hxx>
  42 #include <editeng/AccessibleParaManager.hxx>
  43 #include <editeng/AccessibleImageBullet.hxx>
  44 #include <editeng/unoedprx.hxx>
  45 #include <editeng/editengdllapi.h>
  46
  47 namespace accessibility
  48 {
  49     typedef ::cppu::WeakComponentImplHelper9< ::com::sun::star::accessibility::XAccessible,
  50                                      ::com::sun::star::accessibility::XAccessibleContext,
  51                                      ::com::sun::star::accessibility::XAccessibleComponent,
  52                                      ::com::sun::star::accessibility::XAccessibleEditableText,
  53                                      ::com::sun::star::accessibility::XAccessibleEventBroadcaster,
  54                                      ::com::sun::star::accessibility::XAccessibleTextAttributes,
  55                                      ::com::sun::star::accessibility::XAccessibleHypertext,
  56                                      ::com::sun::star::accessibility::XAccessibleMultiLineText,
  57                                      ::com::sun::star::lang::XServiceInfo >  AccessibleTextParaInterfaceBase;
  58
  59     /** This class implements the actual text paragraphs for the EditEngine/Outliner UAA
  60      */
  61     class EDITENG_DLLPUBLIC AccessibleEditableTextPara : public ::comphelper::OBaseMutex, public AccessibleTextParaInterfaceBase, public ::comphelper::OCommonAccessibleText
  62     {
  63
  64     protected:
  65         // override OCommonAccessibleText methods
  66         virtual OUString                 implGetText() SAL_OVERRIDE;
  67         virtual ::com::sun::star::lang::Locale  implGetLocale() SAL_OVERRIDE;
  68         virtual void                            implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex ) SAL_OVERRIDE;
  69         virtual void                            implGetParagraphBoundary( ::com::sun::star::i18n::Boundary& rBoundary, sal_Int32 nIndex ) SAL_OVERRIDE;
  70         virtual void                            implGetLineBoundary( ::com::sun::star::i18n::Boundary& rBoundary, sal_Int32 nIndex ) SAL_OVERRIDE;
  71
  72     public:
  73         /// Create accessible object for given parent
  74         // #i27138#
  75         // - add parameter <_pParaManager> (default value NULL)
  76         //   This has to be the instance of <AccessibleParaManager>, which
  77         //   created and manages this accessible paragraph.
  78         AccessibleEditableTextPara ( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible >& rParent,
  79                                      const AccessibleParaManager* _pParaManager = NULL );
  80
  81         virtual ~AccessibleEditableTextPara ();
  82
  83         // XInterface
  84         virtual ::com::sun::star::uno::Any SAL_CALL queryInterface (const ::com::sun::star::uno::Type & rType) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  85
  86         // XAccessible
  87         virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  88
  89         // XAccessibleContext
  90         virtual sal_Int32 SAL_CALL getAccessibleChildCount() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  91         virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int32 i ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  92         virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleParent() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  93         virtual sal_Int32 SAL_CALL getAccessibleIndexInParent() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  94         virtual sal_Int16 SAL_CALL getAccessibleRole() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  95         /// Maximal length of text returned by getAccessibleDescription()
  96         enum { MaxDescriptionLen = 40 };
  97         virtual OUString SAL_CALL getAccessibleDescription() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  98         virtual OUString SAL_CALL getAccessibleName() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  99         virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 100         virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL getAccessibleStateSet() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 101         virtual ::com::sun::star::lang::Locale SAL_CALL getLocale() throw (::com::sun::star::accessibility::IllegalAccessibleComponentStateException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 102
 103         // XAccessibleEventBroadcaster
 104         virtual void SAL_CALL addAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 105         virtual void SAL_CALL removeAccessibleEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 106
 107         // XAccessibleComponent
 108         virtual sal_Bool SAL_CALL containsPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 109         virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 110         virtual ::com::sun::star::awt::Rectangle SAL_CALL getBounds(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 111         virtual ::com::sun::star::awt::Point SAL_CALL getLocation(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 112         virtual ::com::sun::star::awt::Point SAL_CALL getLocationOnScreen(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 113         virtual ::com::sun::star::awt::Size SAL_CALL getSize(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 114         virtual void SAL_CALL grabFocus(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 115         virtual sal_Int32 SAL_CALL getForeground(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 116         virtual sal_Int32 SAL_CALL getBackground(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 117
 118         // XAccessibleText (this comes implicitly inherited by XAccessibleEditableText AND by XAccessibleMultiLineText)
 119         virtual sal_Int32 SAL_CALL getCaretPosition() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 120         virtual sal_Bool SAL_CALL setCaretPosition( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 121         virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 122         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex, const ::com::sun::star::uno::Sequence< OUString >& aRequestedAttributes ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 123         virtual ::com::sun::star::awt::Rectangle SAL_CALL getCharacterBounds( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 124         virtual sal_Int32 SAL_CALL getCharacterCount() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 125         virtual sal_Int32 SAL_CALL getIndexAtPoint( const ::com::sun::star::awt::Point& aPoint ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 126         virtual OUString SAL_CALL getSelectedText() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 127         virtual sal_Int32 SAL_CALL getSelectionStart() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 128         virtual sal_Int32 SAL_CALL getSelectionEnd() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 129         virtual sal_Bool SAL_CALL setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 130         virtual OUString SAL_CALL getText() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 131         virtual OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 132         /// Does not support AccessibleTextType::SENTENCE (missing feature in EditEngine)
 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, std::exception) SAL_OVERRIDE;
 134         /// Does not support AccessibleTextType::SENTENCE (missing feature in EditEngine)
 135         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, std::exception) SAL_OVERRIDE;
 136         /// Does not support AccessibleTextType::SENTENCE (missing feature in EditEngine)
 137         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, std::exception) SAL_OVERRIDE;
 138         virtual sal_Bool SAL_CALL copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 139
 140         // XAccessibleEditableText
 141         virtual sal_Bool SAL_CALL cutText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 142         virtual sal_Bool SAL_CALL pasteText( sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 143         virtual sal_Bool SAL_CALL deleteText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 144         virtual sal_Bool SAL_CALL insertText( const OUString& sText, sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 145         virtual sal_Bool SAL_CALL replaceText( sal_Int32 nStartIndex, sal_Int32 nEndIndex, const OUString& sReplacement ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 146         virtual sal_Bool SAL_CALL setAttributes( sal_Int32 nStartIndex, sal_Int32 nEndIndex, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& aAttributeSet ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 147         virtual sal_Bool SAL_CALL setText( const OUString& sText ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 148
 149         // XAccessibleTextAttributes
 150         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL getDefaultAttributes( const ::com::sun::star::uno::Sequence< OUString >& RequestedAttributes ) throw (::com::sun::star::beans::UnknownPropertyException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 151         virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL getRunAttributes( ::sal_Int32 Index, const ::com::sun::star::uno::Sequence< OUString >& RequestedAttributes ) throw (css::beans::UnknownPropertyException, css::lang::IndexOutOfBoundsException, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 152
 153         // XAccessibleHypertext
 154         virtual ::sal_Int32 SAL_CALL getHyperLinkCount(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 155         virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleHyperlink > SAL_CALL getHyperLink( ::sal_Int32 nLinkIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 156         virtual ::sal_Int32 SAL_CALL getHyperLinkIndex( ::sal_Int32 nCharIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 157
 158         // XAccessibleMultiLineText
 159         virtual ::sal_Int32 SAL_CALL getLineNumberAtIndex( ::sal_Int32 nIndex ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 160         virtual ::com::sun::star::accessibility::TextSegment SAL_CALL getTextAtLineNumber( ::sal_Int32 nLineNo ) throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 161         virtual ::com::sun::star::accessibility::TextSegment SAL_CALL getTextAtLineWithCaret(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 162         virtual ::sal_Int32 SAL_CALL getNumberOfLineWithCaret(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 163
 164         // XServiceInfo
 165         virtual OUString SAL_CALL getImplementationName() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 166         virtual sal_Bool SAL_CALL supportsService (const OUString& sServiceName) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 167         virtual ::com::sun::star::uno::Sequence< OUString> SAL_CALL getSupportedServiceNames() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 168
 169         // XServiceName
 170         static OUString SAL_CALL getServiceName() throw (::com::sun::star::uno::RuntimeException);
 171
 172         /** Set the current index in the accessibility parent
 173
 174             @attention This method does not lock the SolarMutex,
 175             leaving that to the calling code. This is because only
 176             there potential deadlock situations can be resolved. Thus,
 177             make sure SolarMutex is locked when calling this.
 178          */
 179         void SetIndexInParent( sal_Int32 nIndex );
 180
 181         /** Get the current index in the accessibility parent
 182
 183             @attention This method does not lock the SolarMutex,
 184             leaving that to the calling code. This is because only
 185             there potential deadlock situations can be resolved. Thus,
 186             make sure SolarMutex is locked when calling this.
 187          */
 188         sal_Int32 GetIndexInParent() const { return mnIndexInParent; }
 189
 190         /** Set the current paragraph number
 191
 192             @attention This method does not lock the SolarMutex,
 193             leaving that to the calling code. This is because only
 194             there potential deadlock situations can be resolved. Thus,
 195             make sure SolarMutex is locked when calling this.
 196          */
 197         void SetParagraphIndex( sal_Int32 nIndex );
 198
 199         /** Query the current paragraph number (0 - nParas-1)
 200
 201             @attention This method does not lock the SolarMutex,
 202             leaving that to the calling code. This is because only
 203             there potential deadlock situations can be resolved. Thus,
 204             make sure SolarMutex is locked when calling this.
 205          */
 206         sal_Int32 GetParagraphIndex() const { return mnParagraphIndex; }
 207
 208         /** Set the edit engine offset
 209
 210             @attention This method does not lock the SolarMutex,
 211             leaving that to the calling code. This is because only
 212             there potential deadlock situations can be resolved. Thus,
 213             make sure SolarMutex is locked when calling this.
 214          */
 215         void SetEEOffset( const Point& rOffset );
 216
 217         /** Set the EditEngine offset
 218
 219             @attention This method does not lock the SolarMutex,
 220             leaving that to the calling code. This is because only
 221             there potential deadlock situations can be resolved. Thus,
 222             make sure SolarMutex is locked when calling this.
 223          */
 224         void SetEditSource( SvxEditSourceAdapter* pEditSource );
 225
 226         /** Dispose this object
 227
 228             Notifies and deregisters the listeners, drops all references.
 229          */
 230         void Dispose();
 231
 232         /// Calls all Listener objects to tell them the change. Don't hold locks when calling this!
 233         void FireEvent(const sal_Int16 nEventId, const ::com::sun::star::uno::Any& rNewValue = ::com::sun::star::uno::Any(), const ::com::sun::star::uno::Any& rOldValue = ::com::sun::star::uno::Any() ) const;
 234
 235         /// Sets the given state on the internal state set and fires STATE_CHANGE event. Don't hold locks when calling this!
 236         void SetState( const sal_Int16 nStateId );
 237         /// Unsets the given state on the internal state set and fires STATE_CHANGE event. Don't hold locks when calling this!
 238         void UnSetState( const sal_Int16 nStateId );
 239
 240         static Rectangle LogicToPixel( const Rectangle& rRect, const MapMode& rMapMode, SvxViewForwarder& rForwarder );
 241
 242         SvxEditSourceAdapter& GetEditSource() const;
 243
 244         /** Query the SvxTextForwarder for EditEngine access.
 245
 246             @attention This method does not lock the SolarMutex,
 247             leaving that to the calling code. This is because only
 248             there potential deadlock situations can be resolved. Thus,
 249             make sure SolarMutex is locked when calling this.
 250          */
 251         SvxAccessibleTextAdapter&   GetTextForwarder() const;
 252
 253         /** Query the SvxViewForwarder for EditEngine access.
 254
 255             @attention This method does not lock the SolarMutex,
 256             leaving that to the calling code. This is because only
 257             there potential deadlock situations can be resolved. Thus,
 258             make sure SolarMutex is locked when calling this.
 259          */
 260         SvxViewForwarder&   GetViewForwarder() const;
 261
 262         /** Query whether a GetEditViewForwarder( sal_False ) will return a forwarder
 263
 264             @attention This method does not lock the SolarMutex,
 265             leaving that to the calling code. This is because only
 266             there potential deadlock situations can be resolved. Thus,
 267             make sure SolarMutex is locked when calling this.
 268          */
 269         bool    HaveEditView() const;
 270
 271         /** Query the SvxEditViewForwarder for EditEngine access.
 272
 273             @attention This method does not lock the SolarMutex,
 274             leaving that to the calling code. This is because only
 275             there potential deadlock situations can be resolved. Thus,
 276             make sure SolarMutex is locked when calling this.
 277          */
 278         SvxAccessibleTextEditViewAdapter& GetEditViewForwarder( bool bCreate = false ) const;
 279
 280         /** Send a TEXT_CHANGED event for this paragraph
 281
 282             This method internally caters for calculating text
 283             differences, and sends the appropriate Anys in the
 284             Accessibility::TEXT_CHANGED event
 285          */
 286         void TextChanged();
 287
 288     private:
 289         AccessibleEditableTextPara( const AccessibleEditableTextPara& ) SAL_DELETED_FUNCTION;
 290         AccessibleEditableTextPara& operator= ( const AccessibleEditableTextPara& ) SAL_DELETED_FUNCTION;
 291
 292         /** Calculate character range of similar attributes
 293
 294             @param nStartIndex
 295             Therein, the start of the character range with the same attributes is returned
 296
 297             @param nEndIndex
 298             Therein, the end (exclusively) of the character range with the same attributes is returned
 299
 300             @param nIndex
 301             The character index at where to look for similar character attributes
 302
 303             @return false, if the method was not able to determine the range
 304          */
 305         bool GetAttributeRun( sal_Int32& nStartIndex, sal_Int32& nEndIndex, sal_Int32 nIndex );
 306
 307         // syntactic sugar for FireEvent
 308         void GotPropertyEvent( const ::com::sun::star::uno::Any& rNewValue, const sal_Int16 nEventId ) const;
 309         void LostPropertyEvent( const ::com::sun::star::uno::Any& rOldValue, const sal_Int16 nEventId ) const;
 310
 311         int getNotifierClientId() const { return mnNotifierClientId; }
 312
 313         /// Do we have children? This is the case for image bullets
 314         bool HaveChildren();
 315
 316         const Point& GetEEOffset() const { return maEEOffset; }
 317
 318         // Get text from forwarder
 319         OUString GetTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex );
 320         sal_Int32 GetTextLen() const;
 321
 322         /** Get the current selection of this paragraph
 323
 324             @return sal_False, if nothing in this paragraph is selected
 325          */
 326         bool GetSelection(sal_Int32& nStartPos, sal_Int32& nEndPos );
 327
 328         /** create selection from Accessible selection.
 329
 330         */
 331         ESelection  MakeSelection( sal_Int32 nStartEEIndex, sal_Int32 nEndEEIndex );
 332         ESelection  MakeSelection( sal_Int32 nEEIndex );
 333         ESelection  MakeCursor( sal_Int32 nEEIndex );
 334
 335         // check whether index value is within permitted range
 336
 337         /// Check whether 0<=nIndex<=n-1
 338         void CheckIndex( sal_Int32 nIndex );
 339         /// Check whether 0<=nIndex<=n
 340         void CheckPosition( sal_Int32 nIndex );
 341         /// Check whether 0<=nStart<=n and 0<=nEnd<=n
 342         void CheckRange( sal_Int32 nStart, sal_Int32 nEnd );
 343
 344         void _correctValues( const sal_Int32 nIndex, ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& rValues );
 345         sal_Int32 SkipField(sal_Int32 nIndex, bool bForward);
 346         // get overlapped field, extend return string. Only extend forward for now
 347         bool ExtendByField( ::com::sun::star::accessibility::TextSegment& Segment );
 348         OUString GetFieldTypeNameAtIndex(sal_Int32 nIndex);
 349         // the paragraph index in the edit engine (guarded by solar mutex)
 350         sal_Int32   mnParagraphIndex;
 351
 352         // our current index in the parent (guarded by solar mutex)
 353         sal_Int32   mnIndexInParent;
 354
 355         // the current edit source (guarded by solar mutex)
 356         SvxEditSourceAdapter* mpEditSource;
 357
 358         // the possible child (for image bullets, guarded by solar mutex)
 359         typedef WeakCppRef < ::com::sun::star::accessibility::XAccessible, AccessibleImageBullet > WeakBullet;
 360         WeakBullet maImageBullet;
 361
 362         // the last string used for an Accessibility::TEXT_CHANGED event (guarded by solar mutex)
 363         OUString maLastTextString;
 364
 365         // the offset of the underlying EditEngine from the shape/cell (guarded by solar mutex)
 366         Point maEEOffset;
 367
 368         // the current state set (updated from SetState/UnSetState and guarded by solar mutex)
 369         ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet > mxStateSet;
 370
 371         /// The shape we're the accessible for (unguarded)
 372         ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > mxParent;
 373
 374         /// Our listeners (guarded by maMutex)
 375         int mnNotifierClientId;
 376 public:
 377         void SetParagraphBackColorAccessible(const ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > & ref)
 378         { m_xAccInfo = ref ;}
 379 private:
 380         ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > m_xAccInfo;
 381
 382         // Text paragraphs should provide FLOWS_TO and FLOWS_FROM relations (#i27138#)
 383         // the paragraph manager, which created this instance - is NULL, if
 384         // instance isn't created by AccessibleParaManager.
 385         // Needed for method <getAccessibleRelationSet()> to retrieve predecessor
 386         // paragraph and the successor paragraph.
 387         const AccessibleParaManager* mpParaManager;
 388     };
 389
 390 } // end of namespace accessibility
 391
 392 #endif
 393
 394 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */