nel/src/misc/event_emitter_multi.cpp

   1 // NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
   2 // Copyright (C) 2010  Winch Gate Property Limited
   3 //
   4 // This source file has been modified by the following contributors:
   5 // Copyright (C) 2020  Jan BOON (Kaetemi) <jan.boon@kaetemi.be>
   6 //
   7 // This program is free software: you can redistribute it and/or modify
   8 // it under the terms of the GNU Affero General Public License as
   9 // published by the Free Software Foundation, either version 3 of the
  10 // License, or (at your option) any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU Affero General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU Affero General Public License
  18 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 #include "stdmisc.h"
  21 #include "nel/misc/event_emitter_multi.h"
  22 #include "nel/misc/system_utils.h"
  23
  24 #ifdef DEBUG_NEW
  25         #define new DEBUG_NEW
  26 #endif
  27
  28 namespace NLMISC
  29 {
  30
  31 // a predicate to find an emitter in a list
  32 struct EmitterEqualPred
  33 {
  34         EmitterEqualPred(IEventEmitter *e) : E(e) {}
  35         IEventEmitter *E;
  36         bool operator()(const std::pair<IEventEmitter *, bool> &el)
  37         {
  38                 return el.first == E;
  39         }
  40 };
  41
  42 ///============================================================
  43 CEventEmitterMulti::~CEventEmitterMulti()
  44 {
  45         for (TEmitterCont::iterator it = _Emitters.begin(); it != _Emitters.end(); ++it)
  46         {
  47                 if (it->second) // asked "must Delete' ?
  48                 {
  49                         delete it->first;
  50                 }
  51         }
  52 }
  53
  54 ///============================================================
  55 void    CEventEmitterMulti::addEmitter(IEventEmitter *e, bool mustDelete)
  56 {
  57         nlassert(e != this); // avoid infinite recursion
  58         nlassert(!isEmitter(e));
  59         _Emitters.push_back(std::make_pair(e, mustDelete));
  60 }
  61
  62 ///============================================================
  63 void    CEventEmitterMulti::removeEmitter(IEventEmitter *e)
  64 {
  65         TEmitterCont::iterator it = std::find_if(_Emitters.begin(), _Emitters.end(), EmitterEqualPred(e));
  66         nlassert(it!= _Emitters.end());
  67         if (it->second)
  68         {
  69                 delete it->first;
  70         }
  71         _Emitters.erase(it);
  72 }
  73
  74 ///============================================================
  75 bool    CEventEmitterMulti::isEmitter(IEventEmitter *e) const
  76 {
  77         TEmitterCont::const_iterator it = std::find_if(_Emitters.begin(), _Emitters.end(), EmitterEqualPred(e));
  78         return it != _Emitters.end();
  79 }
  80
  81 ///============================================================
  82 void CEventEmitterMulti::submitEvents(CEventServer &server, bool allWindows)
  83 {
  84         for (TEmitterCont::iterator it = _Emitters.begin(); it != _Emitters.end(); ++it)
  85         {
  86                 it->first->submitEvents(server, allWindows);
  87         }
  88 }
  89
  90 ///============================================================
  91 IEventEmitter *CEventEmitterMulti::getEmitter(uint index)
  92 {
  93         nlassert(index < _Emitters.size());
  94         return _Emitters[index].first;
  95 }
  96
  97 ///============================================================
  98 const IEventEmitter *CEventEmitterMulti::getEmitter(uint index) const
  99 {
 100         nlassert(index < _Emitters.size());
 101         return _Emitters[index].first;
 102 }
 103
 104 bool CEventEmitterMulti::copyTextToClipboard(const std::string &text)
 105 {
 106         // Naush: wrapped to old API to avoid duplicate code
 107         return CSystemUtils::copyTextToClipboard(text);
 108 }
 109
 110 bool CEventEmitterMulti::pasteTextFromClipboard(std::string &text)
 111 {
 112         // Naush: wrapped to old API to avoid duplicate code
 113         return CSystemUtils::pasteTextFromClipboard(text);
 114 }
 115
 116
 117 } // NLMISC