src/Blackboard/RateLimitedBlackboardListener.cpp

   1 /*
   2 Copyright_License {
   3
   4   XCSoar Glide Computer - http://www.xcsoar.org/
   5   Copyright (C) 2000-2013 The XCSoar Project
   6   A detailed list of copyright holders can be found in the file "AUTHORS".
   7
   8   This program is free software; you can redistribute it and/or
   9   modify it under the terms of the GNU General Public License
  10   as published by the Free Software Foundation; either version 2
  11   of the License, or (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21 }
  22 */
  23
  24 #include "RateLimitedBlackboardListener.hpp"
  25
  26 void
  27 RateLimitedBlackboardListener::OnGPSUpdate(const MoreData &_basic)
  28 {
  29   basic = &_basic;
  30   Trigger();
  31 }
  32
  33 void
  34 RateLimitedBlackboardListener::OnCalculatedUpdate(const MoreData &_basic,
  35                                                   const DerivedInfo &_calculated)
  36 {
  37   basic2 = &_basic;
  38   calculated = &_calculated;
  39   Trigger();
  40 }
  41
  42 void
  43 RateLimitedBlackboardListener::Run()
  44 {
  45   if (basic != NULL) {
  46     next.OnGPSUpdate(*basic);
  47     basic = NULL;
  48   }
  49
  50   if (calculated != NULL){
  51     next.OnCalculatedUpdate(*basic2, *calculated);
  52     basic2 = NULL;
  53     calculated = NULL;
  54   }
  55 }