dom/geolocation/GeolocationCoordinates.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/GeolocationCoordinates.h"
   8
   9 #include "mozilla/FloatingPoint.h"
  10 #include "mozilla/dom/GeolocationPositionBinding.h"
  11 #include "mozilla/dom/GeolocationCoordinatesBinding.h"
  12
  13 namespace mozilla::dom {
  14
  15 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(GeolocationCoordinates, mPosition)
  16 NS_IMPL_CYCLE_COLLECTING_ADDREF(GeolocationCoordinates)
  17 NS_IMPL_CYCLE_COLLECTING_RELEASE(GeolocationCoordinates)
  18 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(GeolocationCoordinates)
  19   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  20   NS_INTERFACE_MAP_ENTRY(nsISupports)
  21 NS_INTERFACE_MAP_END
  22
  23 GeolocationCoordinates::GeolocationCoordinates(GeolocationPosition* aPosition,
  24                                                nsIDOMGeoPositionCoords* aCoords)
  25     : mPosition(aPosition), mCoords(aCoords) {}
  26
  27 GeolocationCoordinates::~GeolocationCoordinates() = default;
  28
  29 GeolocationPosition* GeolocationCoordinates::GetParentObject() const {
  30   return mPosition;
  31 }
  32
  33 JSObject* GeolocationCoordinates::WrapObject(
  34     JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
  35   return GeolocationCoordinates_Binding::Wrap(aCx, this, aGivenProto);
  36 }
  37
  38 #define GENERATE_COORDS_WRAPPED_GETTER(name)    \
  39   double GeolocationCoordinates::name() const { \
  40     double rv;                                  \
  41     mCoords->Get##name(&rv);                    \
  42     return rv;                                  \
  43   }
  44
  45 #define GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(name)          \
  46   Nullable<double> GeolocationCoordinates::Get##name() const { \
  47     double value;                                              \
  48     mCoords->Get##name(&value);                                \
  49     Nullable<double> rv;                                       \
  50     if (!IsNaN(value)) {                                       \
  51       rv.SetValue(value);                                      \
  52     }                                                          \
  53     return rv;                                                 \
  54   }
  55
  56 GENERATE_COORDS_WRAPPED_GETTER(Latitude)
  57 GENERATE_COORDS_WRAPPED_GETTER(Longitude)
  58 GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Altitude)
  59 GENERATE_COORDS_WRAPPED_GETTER(Accuracy)
  60 GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(AltitudeAccuracy)
  61 GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Heading)
  62 GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Speed)
  63
  64 #undef GENERATE_COORDS_WRAPPED_GETTER
  65 #undef GENERATE_COORDS_WRAPPED_GETTER_NULLABLE
  66
  67 }  // namespace mozilla::dom