LCOV - code coverage report
Current view: top level - libreoffice/svl/source/notify - brdcst.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 41 47 87.2 %
Date: 2012-12-27 Functions: 12 15 80.0 %
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             : #include <assert.h>
      21             : 
      22             : #include <tools/debug.hxx>
      23             : 
      24             : #include <svl/hint.hxx>
      25             : #include <svl/smplhint.hxx>
      26             : #include <svl/lstner.hxx>
      27             : 
      28             : #include <svl/brdcst.hxx>
      29             : #include <algorithm>
      30             : 
      31             : //====================================================================
      32             : DBG_NAME(SfxBroadcaster)
      33       20486 : TYPEINIT0(SfxBroadcaster);
      34             : 
      35             : //====================================================================
      36             : 
      37             : //====================================================================
      38             : // broadcast immediately
      39             : 
      40       88969 : void SfxBroadcaster::Broadcast( const SfxHint &rHint )
      41             : {
      42             :     DBG_CHKTHIS(SfxBroadcaster, 0);
      43             : 
      44             :     // notify all registered listeners exactly once
      45      569535 :     for (size_t n = 0; n < m_Listeners.size(); ++n)
      46             :     {
      47      480566 :         SfxListener *const pListener = m_Listeners[n];
      48      480566 :         if (pListener) {
      49      370032 :             pListener->Notify( *this, rHint );
      50             :         }
      51             :     }
      52       88969 : }
      53             : 
      54             : // unregister all listeners
      55             : 
      56       64363 : SfxBroadcaster::~SfxBroadcaster()
      57             : {
      58             :     DBG_DTOR(SfxBroadcaster, 0);
      59             : 
      60       29353 :     Broadcast( SfxSimpleHint(SFX_HINT_DYING) );
      61             : 
      62             :     // remove all still registered listeners
      63       43785 :     for (size_t nPos = 0; nPos < m_Listeners.size(); ++nPos)
      64             :     {
      65       14432 :         SfxListener *const pListener = m_Listeners[nPos];
      66       14432 :         if (pListener) {
      67        2297 :             pListener->RemoveBroadcaster_Impl(*this);
      68             :         }
      69             :     }
      70       35010 : }
      71             : 
      72             : //--------------------------------------------------------------------
      73             : 
      74             : // simple ctor of class SfxBroadcaster
      75             : 
      76       39623 : SfxBroadcaster::SfxBroadcaster()
      77             : {
      78             :     DBG_CTOR(SfxBroadcaster, 0);
      79       39623 : }
      80             : 
      81             : //--------------------------------------------------------------------
      82             : 
      83             : // copy ctor of class SfxBroadcaster
      84             : 
      85             : 
      86           0 : SfxBroadcaster::SfxBroadcaster( const SfxBroadcaster &rBC )
      87             : {
      88             :     DBG_CTOR(SfxBroadcaster, 0);
      89             : 
      90           0 :     for (size_t n = 0; n < rBC.m_Listeners.size(); ++n)
      91             :     {
      92           0 :         SfxListener *const pListener = rBC.m_Listeners[n];
      93           0 :         if (pListener) {
      94           0 :             pListener->StartListening( *this );
      95             :         }
      96             :     }
      97           0 : }
      98             : 
      99             : //--------------------------------------------------------------------
     100             : 
     101             : // add a new SfxListener to the list
     102             : 
     103       54579 : void SfxBroadcaster::AddListener( SfxListener& rListener )
     104             : {
     105             :     DBG_CHKTHIS(SfxBroadcaster, 0);
     106             : 
     107     2704861 :     for (size_t i = 0; i < m_Listeners.size(); ++i)
     108             :     {
     109     2683547 :         if (!m_Listeners[i]) // removed by RemoveListener?
     110             :         {
     111       33265 :             m_Listeners[i] = &rListener;
     112       87844 :             return;
     113             :         }
     114             :     }
     115       21314 :     m_Listeners.push_back(&rListener);
     116             : }
     117             : 
     118             : //--------------------------------------------------------------------
     119             : 
     120             : // called, if no more listeners exists
     121             : 
     122        7311 : void SfxBroadcaster::ListenersGone()
     123             : {
     124             :     DBG_CHKTHIS(SfxBroadcaster,0);
     125        7311 : }
     126             : 
     127             : //--------------------------------------------------------------------
     128             : 
     129             : // forward a notification to all registered listeners
     130             : 
     131       68382 : void SfxBroadcaster::Forward(SfxBroadcaster& rBC, const SfxHint& rHint)
     132             : {
     133      124107 :     for (size_t i = 0; i < m_Listeners.size(); ++i)
     134             :     {
     135       55725 :         SfxListener *const pListener = m_Listeners[i];
     136       55725 :         if (pListener) {
     137       47849 :             pListener->Notify( rBC, rHint );
     138             :         }
     139             :     }
     140       68382 : }
     141             : 
     142             : //--------------------------------------------------------------------
     143             : 
     144             : // remove one SfxListener from the list
     145             : 
     146       46205 : void SfxBroadcaster::RemoveListener( SfxListener& rListener )
     147             : {
     148             :     {DBG_CHKTHIS(SfxBroadcaster, 0);}
     149             :     SfxListenerArr_Impl::iterator aIter = std::find(
     150       46205 :             m_Listeners.begin(), m_Listeners.end(), &rListener);
     151             :     assert(aIter != m_Listeners.end()); // "RemoveListener: Listener unknown"
     152             :     // DO NOT erase the listener, set the pointer to 0
     153             :     // because the current continuation may contain this->Broadcast
     154       46205 :     *aIter = 0;
     155             : 
     156       46205 :     if ( !HasListeners() )
     157        7311 :         ListenersGone();
     158       46205 : }
     159             : 
     160       46280 : bool SfxBroadcaster::HasListeners() const
     161             : {
     162       60550 :     for (size_t i = 0; i < m_Listeners.size(); ++i)
     163             :     {
     164       53164 :         if (m_Listeners[i]) {
     165       38894 :             return true;
     166             :         }
     167             :     }
     168        7386 :     return false;
     169             : }
     170             : 
     171             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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