LCOV - code coverage report
Current view: top level - sw/source/core/txtnode - SwGrammarContact.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 71 74 95.9 %
Date: 2012-08-25 Functions: 12 12 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 51 70 72.9 %

           Branch data     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                 :            : 
      21                 :            : #include <vcl/timer.hxx>
      22                 :            : #include <hints.hxx>
      23                 :            : #include <IGrammarContact.hxx>
      24                 :            : #include <pam.hxx>
      25                 :            : #include <ndtxt.hxx>
      26                 :            : #include <SwGrammarMarkUp.hxx>
      27                 :            : #include <txtfrm.hxx>
      28                 :            : #include <rootfrm.hxx>
      29                 :            : #include <viewsh.hxx>
      30                 :            : 
      31                 :            : /* SwGrammarContact
      32                 :            :     This class is responsible for the delayed display of grammar checks when a paragraph is edited
      33                 :            :     It's a client of the paragraph the cursor points to.
      34                 :            :     If the cursor position changes, updateCursorPosition has to be called
      35                 :            :     If the grammar checker wants to set a grammar marker at a paragraph, he has to request
      36                 :            :     the grammar list from this class. If the requested paragraph is not edited, it returns
      37                 :            :     the normal grammar list. But if the paragraph is the active one, a proxy list will be returned and
      38                 :            :     all changes are set in this proxy list. If the cursor leaves the paragraph the proxy list
      39                 :            :     will replace the old list. If the grammar checker has completed the paragraph ('setChecked')
      40                 :            :     then a timer is setup which replaces the old list as well.
      41                 :            : */
      42                 :            : 
      43                 :            : class SwGrammarContact : public IGrammarContact, public SwClient
      44                 :            : {
      45                 :            :     Timer aTimer;
      46                 :            :     SwGrammarMarkUp *mpProxyList;
      47                 :            :     bool mbFinished;
      48                 :        658 :     SwTxtNode* getMyTxtNode() { return (SwTxtNode*)GetRegisteredIn(); }
      49                 :            :       DECL_LINK( TimerRepaint, Timer * );
      50                 :            : 
      51                 :            : public:
      52                 :            :     SwGrammarContact();
      53 [ +  - ][ +  + ]:       2916 :     ~SwGrammarContact() { aTimer.Stop(); delete mpProxyList; }
         [ +  - ][ +  - ]
         [ +  - ][ -  + ]
      54                 :            : 
      55                 :            :     // (pure) virtual functions of IGrammarContact
      56                 :            :     virtual void updateCursorPosition( const SwPosition& rNewPos );
      57                 :            :     virtual SwGrammarMarkUp* getGrammarCheck( SwTxtNode& rTxtNode, bool bCreate );
      58                 :            :     virtual void finishGrammarCheck( SwTxtNode& rTxtNode );
      59                 :            : protected:
      60                 :            :     // virtual function of SwClient
      61                 :            :     virtual void Modify( const SfxPoolItem* pOld, const SfxPoolItem *pNew);
      62                 :            : };
      63                 :            : 
      64         [ +  - ]:       1549 : SwGrammarContact::SwGrammarContact() : mpProxyList(0), mbFinished( false )
      65                 :            : {
      66         [ +  - ]:       1549 :     aTimer.SetTimeout( 2000 );  // Repaint of grammar check after 'setChecked'
      67         [ +  - ]:       1549 :     aTimer.SetTimeoutHdl( LINK(this, SwGrammarContact, TimerRepaint) );
      68                 :       1549 : }
      69                 :            : 
      70                 :        326 : IMPL_LINK( SwGrammarContact, TimerRepaint, Timer *, pTimer )
      71                 :            : {
      72         [ +  - ]:        326 :     if( pTimer )
      73                 :            :     {
      74                 :        326 :         pTimer->Stop();
      75         [ +  - ]:        326 :         if( GetRegisteredIn() )
      76                 :            :         {   //Replace the old wrong list by the proxy list and repaint all frames
      77                 :        326 :             getMyTxtNode()->SetGrammarCheck( mpProxyList, true );
      78                 :        326 :             mpProxyList = 0;
      79                 :        326 :             SwTxtFrm::repaintTextFrames( *getMyTxtNode() );
      80                 :            :         }
      81                 :            :     }
      82                 :        326 :     return 0;
      83                 :            : }
      84                 :            : 
      85                 :            : /* I'm always a client of the current paragraph */
      86                 :      35537 : void SwGrammarContact::updateCursorPosition( const SwPosition& rNewPos )
      87                 :            : {
      88                 :      35537 :     SwTxtNode* pTxtNode = rNewPos.nNode.GetNode().GetTxtNode();
      89         [ +  + ]:      35537 :     if( pTxtNode != GetRegisteredIn() ) // paragraph has been changed
      90                 :            :     {
      91                 :       1366 :         aTimer.Stop();
      92         [ +  + ]:       1366 :         if( GetRegisteredIn() ) // My last paragraph has been left
      93                 :            :         {
      94         [ +  + ]:         40 :             if( mpProxyList )
      95                 :            :             {   // replace old list by the proxy list and repaint
      96                 :          3 :                 getMyTxtNode()->SetGrammarCheck( mpProxyList, true );
      97                 :          3 :                 SwTxtFrm::repaintTextFrames( *getMyTxtNode() );
      98                 :            :             }
      99                 :         40 :             GetRegisteredInNonConst()->Remove( this ); // good bye old paragraph
     100                 :         40 :             mpProxyList = 0;
     101                 :            :         }
     102         [ +  - ]:       1366 :         if( pTxtNode )
     103                 :       1366 :             pTxtNode->Add( this ); // welcome new paragraph
     104                 :            :     }
     105                 :      35537 : }
     106                 :            : 
     107                 :            : /* deliver a grammar check list for the given text node */
     108                 :      13350 : SwGrammarMarkUp* SwGrammarContact::getGrammarCheck( SwTxtNode& rTxtNode, bool bCreate )
     109                 :            : {
     110                 :      13350 :     SwGrammarMarkUp *pRet = 0;
     111         [ +  + ]:      13350 :     if( GetRegisteredIn() == &rTxtNode ) // hey, that's my current paragraph!
     112                 :            :     {   // so you will get a proxy list...
     113         [ +  + ]:       6227 :         if( bCreate )
     114                 :            :         {
     115         [ +  + ]:       1393 :             if( mbFinished )
     116                 :            :             {
     117         [ +  + ]:        702 :                 delete mpProxyList;
     118                 :        702 :                 mpProxyList = 0;
     119                 :            :             }
     120         [ +  + ]:       1393 :             if( !mpProxyList )
     121                 :            :             {
     122         [ +  + ]:       1386 :                 if( rTxtNode.GetGrammarCheck() )
     123                 :        235 :                     mpProxyList = (SwGrammarMarkUp*)rTxtNode.GetGrammarCheck()->Clone();
     124                 :            :                 else
     125                 :            :                 {
     126         [ +  - ]:       1151 :                     mpProxyList = new SwGrammarMarkUp();
     127                 :       1151 :                     mpProxyList->SetInvalid( 0, STRING_LEN );
     128                 :            :                 }
     129                 :            :             }
     130                 :       1393 :            mbFinished = false;
     131                 :            :         }
     132                 :       6227 :         pRet = mpProxyList;
     133                 :            :     }
     134                 :            :     else
     135                 :            :     {
     136                 :       7123 :         pRet = rTxtNode.GetGrammarCheck(); // do you have already a list?
     137 [ +  + ][ +  + ]:       7123 :         if( bCreate && !pRet ) // do you want to create a list?
     138                 :            :         {
     139         [ +  - ]:        989 :             pRet = new SwGrammarMarkUp();
     140                 :        989 :             pRet->SetInvalid( 0, STRING_LEN );
     141                 :        989 :             rTxtNode.SetGrammarCheck( pRet );
     142                 :        989 :             rTxtNode.SetGrammarCheckDirty( true );
     143                 :            :         }
     144                 :            :     }
     145                 :      13350 :     return pRet;
     146                 :            : }
     147                 :            : 
     148                 :       6202 : void SwGrammarContact::Modify( const SfxPoolItem* pOld, const SfxPoolItem * )
     149                 :            : {
     150 [ +  + ][ +  + ]:       6202 :     if( !pOld || pOld->Which() != RES_OBJECTDYING )
                 [ +  + ]
     151                 :       6202 :         return;
     152                 :            : 
     153                 :          8 :     SwPtrMsgPoolItem *pDead = (SwPtrMsgPoolItem *)pOld;
     154         [ +  - ]:          8 :     if( pDead->pObject == GetRegisteredIn() )
     155                 :            :     {    // if my current paragraph dies, I throw the proxy list away
     156                 :          8 :         aTimer.Stop();
     157                 :          8 :         GetRegisteredInNonConst()->Remove( this );
     158         [ +  + ]:          8 :         delete mpProxyList;
     159                 :          8 :         mpProxyList = 0;
     160                 :            :     }
     161                 :            : }
     162                 :            : 
     163                 :       3685 : void SwGrammarContact::finishGrammarCheck( SwTxtNode& rTxtNode )
     164                 :            : {
     165         [ +  + ]:       3685 :     if( &rTxtNode != GetRegisteredIn() ) // not my paragraph
     166                 :       2299 :         SwTxtFrm::repaintTextFrames( rTxtNode ); // can be repainted directly
     167                 :            :     else
     168                 :            :     {
     169         [ +  - ]:       1386 :         if( mpProxyList )
     170                 :            :         {
     171                 :       1386 :             mbFinished = true;
     172                 :       1386 :             aTimer.Start(); // will replace old list and repaint with delay
     173                 :            :         }
     174         [ #  # ]:          0 :         else if( getMyTxtNode()->GetGrammarCheck() )
     175                 :            :         {   // all grammar problems seems to be gone, no delay needed
     176                 :          0 :             getMyTxtNode()->SetGrammarCheck( 0, true );
     177                 :          0 :             SwTxtFrm::repaintTextFrames( *getMyTxtNode() );
     178                 :            :         }
     179                 :            :     }
     180                 :       3685 : }
     181                 :            : 
     182                 :       1549 : IGrammarContact* createGrammarContact()
     183                 :            : {
     184         [ +  - ]:       1549 :     return new SwGrammarContact();
     185                 :            : }
     186                 :            : 
     187                 :       3685 : void finishGrammarCheck( SwTxtNode& rTxtNode )
     188                 :            : {
     189                 :       3685 :     IGrammarContact* pGrammarContact = getGrammarContact( rTxtNode );
     190         [ +  - ]:       3685 :     if( pGrammarContact )
     191                 :       3685 :         pGrammarContact->finishGrammarCheck( rTxtNode );
     192                 :       3685 : }
     193                 :            : 
     194                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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