src/modules/m_permchannels.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15
  16 /* $ModDesc: Provides support for channel mode +P to provide permanent channels */
  17
  18
  19 /** Handles the +P channel mode
  20  */
  21 class PermChannel : public ModeHandler
  22 {
  23  public:
  24         PermChannel(InspIRCd* Instance) : ModeHandler(Instance, 'P', 0, 0, false, MODETYPE_CHANNEL, false) { }
  25
  26         ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding, bool)
  27         {
  28                 if (adding)
  29                 {
  30                         if (!channel->IsModeSet('P'))
  31                         {
  32                                 channel->SetMode('P',true);
  33                                 return MODEACTION_ALLOW;
  34                         }
  35                 }
  36                 else
  37                 {
  38                         if (channel->IsModeSet('P'))
  39                         {
  40                                 channel->SetMode('P',false);
  41
  42                                 if (channel->GetUserCounter() == 0)
  43                                         delete channel;
  44                                 return MODEACTION_ALLOW;
  45                         }
  46                 }
  47
  48                 return MODEACTION_DENY;
  49         }
  50 };
  51
  52 class ModulePermanentChannels : public Module
  53 {
  54         PermChannel *p;
  55 public:
  56
  57         ModulePermanentChannels(InspIRCd* Me) : Module(Me)
  58         {
  59                 p = new PermChannel(ServerInstance);
  60                 if (!ServerInstance->Modes->AddMode(p))
  61                 {
  62                         delete p;
  63                         throw ModuleException("Could not add new modes!");
  64                 }
  65                 Implementation eventlist[] = { I_OnChannelPreDelete };
  66                 ServerInstance->Modules->Attach(eventlist, this, 1);
  67         }
  68
  69         virtual ~ModulePermanentChannels()
  70         {
  71                 ServerInstance->Modes->DelMode(p);
  72                 delete p;
  73         }
  74
  75         virtual Version GetVersion()
  76         {
  77                 return Version(1,2,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
  78         }
  79
  80         virtual int OnChannelPreDelete(Channel *c)
  81         {
  82                 if (c->IsModeSet('P'))
  83                         return 1;
  84
  85                 return 0;
  86         }
  87 };
  88
  89 MODULE_INIT(ModulePermanentChannels)