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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#ifndef dom_src_geolocation_IPC_serialiser
#define dom_src_geolocation_IPC_serialiser
#include "ipc/IPCMessageUtils.h"
#include "mozilla/dom/GeolocationPosition.h"
#include "nsIDOMGeoPosition.h"
namespace IPC {
template <>
struct ParamTraits<nsIDOMGeoPositionCoords*> {
// Function to serialize a geoposition
static void Write(MessageWriter* aWriter, nsIDOMGeoPositionCoords* aParam) {
bool isNull = !aParam;
WriteParam(aWriter, isNull);
// If it is a null object, then we are done
if (isNull) return;
double coordData;
aParam->GetLatitude(&coordData);
WriteParam(aWriter, coordData);
aParam->GetLongitude(&coordData);
WriteParam(aWriter, coordData);
aParam->GetAltitude(&coordData);
WriteParam(aWriter, coordData);
aParam->GetAccuracy(&coordData);
WriteParam(aWriter, coordData);
aParam->GetAltitudeAccuracy(&coordData);
WriteParam(aWriter, coordData);
aParam->GetHeading(&coordData);
WriteParam(aWriter, coordData);
aParam->GetSpeed(&coordData);
WriteParam(aWriter, coordData);
}
// Function to de-serialize a geoposition
static bool Read(MessageReader* aReader,
RefPtr<nsIDOMGeoPositionCoords>* aResult) {
// Check if it is the null pointer we have transfered
bool isNull;
if (!ReadParam(aReader, &isNull)) return false;
if (isNull) {
*aResult = nullptr;
return true;
}
double latitude;
double longitude;
double altitude;
double accuracy;
double altitudeAccuracy;
double heading;
double speed;
// It's not important to us where it fails, but rather if it fails
if (!(ReadParam(aReader, &latitude) && ReadParam(aReader, &longitude) &&
ReadParam(aReader, &altitude) && ReadParam(aReader, &accuracy) &&
ReadParam(aReader, &altitudeAccuracy) &&
ReadParam(aReader, &heading) && ReadParam(aReader, &speed)))
return false;
// We now have all the data
*aResult = new nsGeoPositionCoords(latitude, /* aLat */
longitude, /* aLong */
altitude, /* aAlt */
accuracy, /* aHError */
altitudeAccuracy, /* aVError */
heading, /* aHeading */
speed /* aSpeed */
);
return true;
}
};
template <>
struct ParamTraits<nsIDOMGeoPosition*> {
// Function to serialize a geoposition
static void Write(MessageWriter* aWriter, nsIDOMGeoPosition* aParam) {
bool isNull = !aParam;
WriteParam(aWriter, isNull);
// If it is a null object, then we are done
if (isNull) return;
EpochTimeStamp timeStamp;
aParam->GetTimestamp(&timeStamp);
WriteParam(aWriter, timeStamp);
nsCOMPtr<nsIDOMGeoPositionCoords> coords;
aParam->GetCoords(getter_AddRefs(coords));
WriteParam(aWriter, coords);
}
// Function to de-serialize a geoposition
static bool Read(MessageReader* aReader, RefPtr<nsIDOMGeoPosition>* aResult) {
// Check if it is the null pointer we have transfered
bool isNull;
if (!ReadParam(aReader, &isNull)) return false;
if (isNull) {
*aResult = nullptr;
return true;
}
EpochTimeStamp timeStamp;
RefPtr<nsIDOMGeoPositionCoords> coords;
// It's not important to us where it fails, but rather if it fails
if (!ReadParam(aReader, &timeStamp) || !ReadParam(aReader, &coords)) {
return false;
}
*aResult = new nsGeoPosition(coords, timeStamp);
return true;
};
};
} // namespace IPC
#endif
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