gecko-dev/dom/geolocation/nsGeoPosition.cpp

263 строки
6.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsGeoPosition.h"
#include "mozilla/dom/PositionBinding.h"
#include "mozilla/dom/CoordinatesBinding.h"
////////////////////////////////////////////////////
// nsGeoPositionCoords
////////////////////////////////////////////////////
nsGeoPositionCoords::nsGeoPositionCoords(double aLat, double aLong,
double aAlt, double aHError,
double aVError, double aHeading,
double aSpeed)
: mLat(aLat)
, mLong(aLong)
, mAlt(aAlt)
, mHError(aHError)
, mVError(aVError)
, mHeading(aHeading)
, mSpeed(aSpeed)
{
}
nsGeoPositionCoords::~nsGeoPositionCoords()
{
}
NS_INTERFACE_MAP_BEGIN(nsGeoPositionCoords)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMGeoPositionCoords)
NS_INTERFACE_MAP_ENTRY(nsIDOMGeoPositionCoords)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(nsGeoPositionCoords)
NS_IMPL_RELEASE(nsGeoPositionCoords)
NS_IMETHODIMP
nsGeoPositionCoords::GetLatitude(double *aLatitude)
{
*aLatitude = mLat;
return NS_OK;
}
NS_IMETHODIMP
nsGeoPositionCoords::GetLongitude(double *aLongitude)
{
*aLongitude = mLong;
return NS_OK;
}
NS_IMETHODIMP
nsGeoPositionCoords::GetAltitude(double *aAltitude)
{
*aAltitude = mAlt;
return NS_OK;
}
NS_IMETHODIMP
nsGeoPositionCoords::GetAccuracy(double *aAccuracy)
{
*aAccuracy = mHError;
return NS_OK;
}
NS_IMETHODIMP
nsGeoPositionCoords::GetAltitudeAccuracy(double *aAltitudeAccuracy)
{
*aAltitudeAccuracy = mVError;
return NS_OK;
}
NS_IMETHODIMP
nsGeoPositionCoords::GetHeading(double *aHeading)
{
*aHeading = mHeading;
return NS_OK;
}
NS_IMETHODIMP
nsGeoPositionCoords::GetSpeed(double *aSpeed)
{
*aSpeed = mSpeed;
return NS_OK;
}
////////////////////////////////////////////////////
// nsGeoPosition
////////////////////////////////////////////////////
nsGeoPosition::nsGeoPosition(double aLat, double aLong,
double aAlt, double aHError,
double aVError, double aHeading,
double aSpeed, long long aTimestamp) :
mTimestamp(aTimestamp)
{
mCoords = new nsGeoPositionCoords(aLat, aLong,
aAlt, aHError,
aVError, aHeading,
aSpeed);
}
nsGeoPosition::nsGeoPosition(nsIDOMGeoPositionCoords *aCoords,
long long aTimestamp) :
mTimestamp(aTimestamp),
mCoords(aCoords)
{
}
nsGeoPosition::nsGeoPosition(nsIDOMGeoPositionCoords *aCoords,
DOMTimeStamp aTimestamp) :
mTimestamp(aTimestamp),
mCoords(aCoords)
{
}
nsGeoPosition::~nsGeoPosition()
{
}
NS_INTERFACE_MAP_BEGIN(nsGeoPosition)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMGeoPosition)
NS_INTERFACE_MAP_ENTRY(nsIDOMGeoPosition)
NS_INTERFACE_MAP_END
NS_IMPL_ADDREF(nsGeoPosition)
NS_IMPL_RELEASE(nsGeoPosition)
NS_IMETHODIMP
nsGeoPosition::GetTimestamp(DOMTimeStamp* aTimestamp)
{
*aTimestamp = mTimestamp;
return NS_OK;
}
NS_IMETHODIMP
nsGeoPosition::GetCoords(nsIDOMGeoPositionCoords * *aCoords)
{
NS_IF_ADDREF(*aCoords = mCoords);
return NS_OK;
}
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Position, mParent, mCoordinates)
NS_IMPL_CYCLE_COLLECTING_ADDREF(Position)
NS_IMPL_CYCLE_COLLECTING_RELEASE(Position)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Position)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
Position::Position(nsISupports* aParent, nsIDOMGeoPosition* aGeoPosition)
: mParent(aParent)
, mGeoPosition(aGeoPosition)
{
}
Position::~Position()
{
}
nsISupports*
Position::GetParentObject() const
{
return mParent;
}
JSObject*
Position::WrapObject(JSContext* aCx)
{
return PositionBinding::Wrap(aCx, this);
}
Coordinates*
Position::Coords()
{
if (!mCoordinates) {
nsCOMPtr<nsIDOMGeoPositionCoords> coords;
mGeoPosition->GetCoords(getter_AddRefs(coords));
MOZ_ASSERT(coords, "coords should not be null");
mCoordinates = new Coordinates(this, coords);
}
return mCoordinates;
}
uint64_t
Position::Timestamp() const
{
uint64_t rv;
mGeoPosition->GetTimestamp(&rv);
return rv;
}
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Coordinates, mPosition)
NS_IMPL_CYCLE_COLLECTING_ADDREF(Coordinates)
NS_IMPL_CYCLE_COLLECTING_RELEASE(Coordinates)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Coordinates)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
Coordinates::Coordinates(Position* aPosition, nsIDOMGeoPositionCoords* aCoords)
: mPosition(aPosition)
, mCoords(aCoords)
{
}
Coordinates::~Coordinates()
{
}
Position*
Coordinates::GetParentObject() const
{
return mPosition;
}
JSObject*
Coordinates::WrapObject(JSContext* aCx)
{
return CoordinatesBinding::Wrap(aCx, this);
}
#define GENERATE_COORDS_WRAPPED_GETTER(name) \
double \
Coordinates::name() const \
{ \
double rv; \
mCoords->Get##name(&rv); \
return rv; \
}
#define GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(name) \
Nullable<double> \
Coordinates::Get##name() const \
{ \
double rv; \
mCoords->Get##name(&rv); \
return Nullable<double>(rv); \
}
GENERATE_COORDS_WRAPPED_GETTER(Latitude)
GENERATE_COORDS_WRAPPED_GETTER(Longitude)
GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Altitude)
GENERATE_COORDS_WRAPPED_GETTER(Accuracy)
GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(AltitudeAccuracy)
GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Heading)
GENERATE_COORDS_WRAPPED_GETTER_NULLABLE(Speed)
#undef GENERATE_COORDS_WRAPPED_GETTER
#undef GENERATE_COORDS_WRAPPED_GETTER_NULLABLE
} // namespace dom
} // namespace mozilla