dom/geolocation/nsGeoPosition.h

   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 #ifndef nsGeoPosition_h
   7 #define nsGeoPosition_h
   8
   9 #include "nsAutoPtr.h"
  10 #include "nsIDOMGeoPositionCoords.h"
  11 #include "nsIDOMGeoPosition.h"
  12 #include "nsString.h"
  13 #include "mozilla/Attributes.h"
  14 #include "nsCycleCollectionParticipant.h"
  15 #include "nsWrapperCache.h"
  16 #include "mozilla/dom/Nullable.h"
  17 #include "js/TypeDecls.h"
  18
  19 ////////////////////////////////////////////////////
  20 // nsGeoPositionCoords
  21 ////////////////////////////////////////////////////
  22
  23 /**
  24  * Simple object that holds a single point in space.
  25  */
  26 class nsGeoPositionCoords MOZ_FINAL : public nsIDOMGeoPositionCoords
  27 {
  28 public:
  29   NS_DECL_THREADSAFE_ISUPPORTS
  30   NS_DECL_NSIDOMGEOPOSITIONCOORDS
  31
  32   nsGeoPositionCoords(double aLat, double aLong,
  33                       double aAlt, double aHError,
  34                       double aVError, double aHeading,
  35                       double aSpeed);
  36 private:
  37   ~nsGeoPositionCoords();
  38   const double mLat, mLong, mAlt, mHError, mVError, mHeading, mSpeed;
  39 };
  40
  41
  42 ////////////////////////////////////////////////////
  43 // nsGeoPosition
  44 ////////////////////////////////////////////////////
  45
  46 class nsGeoPosition MOZ_FINAL : public nsIDOMGeoPosition
  47 {
  48 public:
  49   NS_DECL_THREADSAFE_ISUPPORTS
  50   NS_DECL_NSIDOMGEOPOSITION
  51
  52   nsGeoPosition(double aLat, double aLong,
  53                 double aAlt, double aHError,
  54                 double aVError, double aHeading,
  55                 double aSpeed, long long aTimestamp);
  56
  57
  58   nsGeoPosition(nsIDOMGeoPositionCoords *aCoords,
  59                 long long aTimestamp);
  60
  61   nsGeoPosition(nsIDOMGeoPositionCoords *aCoords,
  62                 DOMTimeStamp aTimestamp);
  63
  64 private:
  65   ~nsGeoPosition();
  66   long long mTimestamp;
  67   nsRefPtr<nsIDOMGeoPositionCoords> mCoords;
  68 };
  69
  70 ////////////////////////////////////////////////////
  71 // WebIDL wrappers for the classes above
  72 ////////////////////////////////////////////////////
  73
  74 namespace mozilla {
  75 namespace dom {
  76
  77 class Coordinates;
  78
  79 class Position MOZ_FINAL : public nsISupports,
  80                            public nsWrapperCache
  81 {
  82   ~Position();
  83
  84 public:
  85   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  86   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Position)
  87
  88 public:
  89   Position(nsISupports* aParent, nsIDOMGeoPosition* aGeoPosition);
  90
  91   nsISupports* GetParentObject() const;
  92
  93   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
  94
  95   Coordinates* Coords();
  96
  97   uint64_t Timestamp() const;
  98
  99   nsIDOMGeoPosition* GetWrappedGeoPosition() { return mGeoPosition; }
 100
 101 private:
 102   nsRefPtr<Coordinates> mCoordinates;
 103   nsCOMPtr<nsISupports> mParent;
 104   nsCOMPtr<nsIDOMGeoPosition> mGeoPosition;
 105 };
 106
 107 class Coordinates MOZ_FINAL : public nsISupports,
 108                               public nsWrapperCache
 109 {
 110   ~Coordinates();
 111
 112 public:
 113   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
 114   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Coordinates)
 115
 116 public:
 117   Coordinates(Position* aPosition, nsIDOMGeoPositionCoords* aCoords);
 118
 119   Position* GetParentObject() const;
 120
 121   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
 122
 123   double Latitude() const;
 124
 125   double Longitude() const;
 126
 127   Nullable<double> GetAltitude() const;
 128
 129   double Accuracy() const;
 130
 131   Nullable<double> GetAltitudeAccuracy() const;
 132
 133   Nullable<double> GetHeading() const;
 134
 135   Nullable<double> GetSpeed() const;
 136 private:
 137   nsRefPtr<Position> mPosition;
 138   nsCOMPtr<nsIDOMGeoPositionCoords> mCoords;
 139 };
 140
 141 } // namespace dom
 142 } // namespace mozilla
 143
 144 #endif /* nsGeoPosition_h */
 145