report/aaTranscriptDiffCounter.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent tw=79 ft=cpp: */
   3 /*
   4  * Copyright (C) 2007,2008 Sergey Yanovich <ynvich@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of the
   9  * License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public
  17  * License along with this program; if not, write to the
  18  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19  * Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include "xpcom-config.h"
  23
  24 #include "nsCOMPtr.h"
  25
  26 /* Unfrozen API */
  27
  28 /* Project includes */
  29 #include "aaIBalance.h"
  30 #include "aaTranscript.h"
  31 #include "aaTranscriptDiffCounter.h"
  32
  33 aaTranscriptDiffCounter::aaTranscriptDiffCounter(aaTranscript *aTarget)
  34   :mTarget(aTarget)
  35 {
  36 }
  37
  38 NS_IMPL_ISUPPORTS1(aaTranscriptDiffCounter,
  39                    aaILoadObserver)
  40
  41 NS_IMETHODIMP
  42 aaTranscriptDiffCounter::ObserveLoad(aaIDataNode *aNode)
  43 {
  44   NS_ENSURE_ARG_POINTER(mTarget);
  45   nsresult rv;
  46   nsCOMPtr<aaIBalance> balance = do_QueryInterface(aNode, &rv);
  47   NS_ENSURE_SUCCESS(rv, rv);
  48
  49   if (balance->PickStart() < mTarget->mStart && balance->PickValue()) {
  50     mTarget->mOpen = balance;
  51     return NS_OK;
  52   }
  53
  54   if ((!balance->PickIsPaid() || balance->PickEnd() > mTarget->mEnd) &&
  55      balance->PickValue())
  56   {
  57     mTarget->mClose = balance;
  58   }
  59
  60   mTarget->mTotalDebitsDiff += balance->PickDebitDiff();
  61   mTarget->mTotalCreditsDiff += balance->PickCreditDiff();
  62
  63   return NS_OK;
  64 }
  65
  66 NS_IMETHODIMP
  67 aaTranscriptDiffCounter::ObserveResults()
  68 {
  69   return NS_OK;
  70 }