зеркало из https://github.com/mozilla/gecko-dev.git
139 строки
4.0 KiB
C++
139 строки
4.0 KiB
C++
/* -*- 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 "nsGeoPosition.h"
|
|
#include "nsIDOMGeoPosition.h"
|
|
|
|
namespace IPC {
|
|
|
|
template <>
|
|
struct ParamTraits<nsIDOMGeoPositionCoords> {
|
|
// Function to serialize a geoposition
|
|
static void Write(Message* aMsg, nsIDOMGeoPositionCoords* aParam) {
|
|
bool isNull = !aParam;
|
|
WriteParam(aMsg, isNull);
|
|
// If it is a null object, then we are done
|
|
if (isNull) return;
|
|
|
|
double coordData;
|
|
|
|
aParam->GetLatitude(&coordData);
|
|
WriteParam(aMsg, coordData);
|
|
|
|
aParam->GetLongitude(&coordData);
|
|
WriteParam(aMsg, coordData);
|
|
|
|
aParam->GetAltitude(&coordData);
|
|
WriteParam(aMsg, coordData);
|
|
|
|
aParam->GetAccuracy(&coordData);
|
|
WriteParam(aMsg, coordData);
|
|
|
|
aParam->GetAltitudeAccuracy(&coordData);
|
|
WriteParam(aMsg, coordData);
|
|
|
|
aParam->GetHeading(&coordData);
|
|
WriteParam(aMsg, coordData);
|
|
|
|
aParam->GetSpeed(&coordData);
|
|
WriteParam(aMsg, coordData);
|
|
}
|
|
|
|
// Function to de-serialize a geoposition
|
|
static bool Read(const Message* aMsg, PickleIterator* aIter,
|
|
RefPtr<nsIDOMGeoPositionCoords>* aResult) {
|
|
// Check if it is the null pointer we have transfered
|
|
bool isNull;
|
|
if (!ReadParam(aMsg, aIter, &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(aMsg, aIter, &latitude) &&
|
|
ReadParam(aMsg, aIter, &longitude) &&
|
|
ReadParam(aMsg, aIter, &altitude) &&
|
|
ReadParam(aMsg, aIter, &accuracy) &&
|
|
ReadParam(aMsg, aIter, &altitudeAccuracy) &&
|
|
ReadParam(aMsg, aIter, &heading) && ReadParam(aMsg, aIter, &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(Message* aMsg, nsIDOMGeoPosition* aParam) {
|
|
bool isNull = !aParam;
|
|
WriteParam(aMsg, isNull);
|
|
// If it is a null object, then we are done
|
|
if (isNull) return;
|
|
|
|
DOMTimeStamp timeStamp;
|
|
aParam->GetTimestamp(&timeStamp);
|
|
WriteParam(aMsg, timeStamp);
|
|
|
|
nsCOMPtr<nsIDOMGeoPositionCoords> coords;
|
|
aParam->GetCoords(getter_AddRefs(coords));
|
|
WriteParam(aMsg, coords);
|
|
}
|
|
|
|
// Function to de-serialize a geoposition
|
|
static bool Read(const Message* aMsg, PickleIterator* aIter,
|
|
RefPtr<nsIDOMGeoPosition>* aResult) {
|
|
// Check if it is the null pointer we have transfered
|
|
bool isNull;
|
|
if (!ReadParam(aMsg, aIter, &isNull)) return false;
|
|
|
|
if (isNull) {
|
|
*aResult = nullptr;
|
|
return true;
|
|
}
|
|
|
|
DOMTimeStamp timeStamp;
|
|
RefPtr<nsIDOMGeoPositionCoords> coords;
|
|
|
|
// It's not important to us where it fails, but rather if it fails
|
|
if (!ReadParam(aMsg, aIter, &timeStamp) ||
|
|
!ReadParam(aMsg, aIter, &coords)) {
|
|
return false;
|
|
}
|
|
|
|
*aResult = new nsGeoPosition(coords, timeStamp);
|
|
|
|
return true;
|
|
};
|
|
};
|
|
|
|
} // namespace IPC
|
|
|
|
#endif
|