chromeos/geolocation/geoposition.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chromeos/geolocation/geoposition.h"
   6
   7 #include "base/strings/stringprintf.h"
   8
   9 namespace {
  10
  11 // Sentinel values to mark invalid data.
  12 const double kBadLatitudeLongitude = 200;
  13 const int kBadAccuracy = -1;  // Accuracy must be non-negative.
  14
  15 }  // namespace
  16
  17 namespace chromeos {
  18
  19 Geoposition::Geoposition()
  20     : latitude(kBadLatitudeLongitude),
  21       longitude(kBadLatitudeLongitude),
  22       accuracy(kBadAccuracy),
  23       error_code(0),
  24       status(STATUS_NONE) {
  25 }
  26
  27 bool Geoposition::Valid() const {
  28   return latitude >= -90. && latitude <= 90. && longitude >= -180. &&
  29          longitude <= 180. && accuracy >= 0. && !timestamp.is_null() &&
  30          status == STATUS_OK;
  31 }
  32
  33 std::string Geoposition::ToString() const {
  34   static const char* const status2string[] = {
  35       "NONE",
  36       "OK",
  37       "SERVER_ERROR",
  38       "NETWORK_ERROR",
  39       "TIMEOUT"
  40   };
  41
  42   return base::StringPrintf(
  43       "latitude=%f, longitude=%f, accuracy=%f, error_code=%u, "
  44       "error_message='%s', status=%u (%s)",
  45       latitude,
  46       longitude,
  47       accuracy,
  48       error_code,
  49       error_message.c_str(),
  50       (unsigned)status,
  51       (status < arraysize(status2string) ? status2string[status] : "unknown"));
  52 }
  53
  54 }  // namespace chromeos