src/servers/registrar/AppInfoListMessagingTargetSet.cpp

   1 /*
   2  * Copyright 2005, Ingo Weinhold, bonefish@users.sf.net.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6 #include <Application.h>
   7 #include <TokenSpace.h>
   8
   9 #include "AppInfoListMessagingTargetSet.h"
  10 #include "RosterAppInfo.h"
  11
  12 // constructor
  13 AppInfoListMessagingTargetSet::AppInfoListMessagingTargetSet(
  14                 AppInfoList &list, bool skipRegistrar)
  15         : fList(list),
  16           fIterator(list.It()),
  17           fSkipRegistrar(skipRegistrar)
  18 {
  19         _SkipFilteredOutInfos();
  20 }
  21
  22 // destructor
  23 AppInfoListMessagingTargetSet::~AppInfoListMessagingTargetSet()
  24 {
  25 }
  26
  27 // HasNext
  28 bool
  29 AppInfoListMessagingTargetSet::HasNext() const
  30 {
  31         return fIterator.IsValid();
  32 }
  33
  34 // Next
  35 bool
  36 AppInfoListMessagingTargetSet::Next(port_id &port, int32 &token)
  37 {
  38         if (!fIterator.IsValid())
  39                 return false;
  40
  41         port = (*fIterator)->port;
  42         token = B_PREFERRED_TOKEN;
  43
  44         ++fIterator;
  45         _SkipFilteredOutInfos();
  46
  47         return true;
  48 }
  49
  50 // Rewind
  51 void
  52 AppInfoListMessagingTargetSet::Rewind()
  53 {
  54         fIterator = fList.It();
  55 }
  56
  57 // Filter
  58 bool
  59 AppInfoListMessagingTargetSet::Filter(const RosterAppInfo *info)
  60 {
  61         if (!fSkipRegistrar)
  62                 return true;
  63
  64         return (!fSkipRegistrar || info->team != be_app->Team());
  65 }
  66
  67 // _SkipFilteredOutInfos
  68 void
  69 AppInfoListMessagingTargetSet::_SkipFilteredOutInfos()
  70 {
  71         while (fIterator.IsValid() && !Filter(*fIterator))
  72                 ++fIterator;
  73 }
  74