dom/smil/nsSMILTimeValue.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "nsSMILTimeValue.h"
   7
   8 nsSMILTime nsSMILTimeValue::kUnresolvedMillis = INT64_MAX;
   9
  10 //----------------------------------------------------------------------
  11 // nsSMILTimeValue methods:
  12
  13 static inline int8_t
  14 Cmp(int64_t aA, int64_t aB)
  15 {
  16   return aA == aB ? 0 : (aA > aB ? 1 : -1);
  17 }
  18
  19 int8_t
  20 nsSMILTimeValue::CompareTo(const nsSMILTimeValue& aOther) const
  21 {
  22   int8_t result;
  23
  24   if (mState == STATE_DEFINITE) {
  25     result = (aOther.mState == STATE_DEFINITE)
  26            ? Cmp(mMilliseconds, aOther.mMilliseconds)
  27            : -1;
  28   } else if (mState == STATE_INDEFINITE) {
  29     if (aOther.mState == STATE_DEFINITE)
  30       result = 1;
  31     else if (aOther.mState == STATE_INDEFINITE)
  32       result = 0;
  33     else
  34       result = -1;
  35   } else {
  36     result = (aOther.mState != STATE_UNRESOLVED) ? 1 : 0;
  37   }
  38
  39   return result;
  40 }