1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/src/geolocation/nsGeoPositionIPCSerialiser.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,150 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#ifndef dom_src_geolocation_IPC_serialiser
1.9 +#define dom_src_geolocation_IPC_serialiser
1.10 +
1.11 +#include "ipc/IPCMessageUtils.h"
1.12 +#include "nsGeoPosition.h"
1.13 +#include "nsIDOMGeoPosition.h"
1.14 +
1.15 +typedef nsIDOMGeoPosition* GeoPosition;
1.16 +
1.17 +namespace IPC {
1.18 +
1.19 +template <>
1.20 +struct ParamTraits<nsIDOMGeoPositionCoords*>
1.21 +{
1.22 + typedef nsIDOMGeoPositionCoords* paramType;
1.23 +
1.24 + // Function to serialize a geoposition
1.25 + static void Write(Message *aMsg, const paramType& aParam)
1.26 + {
1.27 + bool isNull = !aParam;
1.28 + WriteParam(aMsg, isNull);
1.29 + // If it is a null object, then we are done
1.30 + if (isNull) return;
1.31 +
1.32 + double coordData;
1.33 +
1.34 + aParam->GetLatitude(&coordData);
1.35 + WriteParam(aMsg, coordData);
1.36 +
1.37 + aParam->GetLongitude(&coordData);
1.38 + WriteParam(aMsg, coordData);
1.39 +
1.40 + aParam->GetAltitude(&coordData);
1.41 + WriteParam(aMsg, coordData);
1.42 +
1.43 + aParam->GetAccuracy(&coordData);
1.44 + WriteParam(aMsg, coordData);
1.45 +
1.46 + aParam->GetAltitudeAccuracy(&coordData);
1.47 + WriteParam(aMsg, coordData);
1.48 +
1.49 + aParam->GetHeading(&coordData);
1.50 + WriteParam(aMsg, coordData);
1.51 +
1.52 + aParam->GetSpeed(&coordData);
1.53 + WriteParam(aMsg, coordData);
1.54 + }
1.55 +
1.56 + // Function to de-serialize a geoposition
1.57 + static bool Read(const Message* aMsg, void **aIter, paramType* aResult)
1.58 + {
1.59 + // Check if it is the null pointer we have transfered
1.60 + bool isNull;
1.61 + if (!ReadParam(aMsg, aIter, &isNull)) return false;
1.62 +
1.63 + if (isNull) {
1.64 + *aResult = 0;
1.65 + return true;
1.66 + }
1.67 +
1.68 + double latitude;
1.69 + double longitude;
1.70 + double altitude;
1.71 + double accuracy;
1.72 + double altitudeAccuracy;
1.73 + double heading;
1.74 + double speed;
1.75 +
1.76 + // It's not important to us where it fails, but rather if it fails
1.77 + if (!( ReadParam(aMsg, aIter, &latitude )
1.78 + && ReadParam(aMsg, aIter, &longitude )
1.79 + && ReadParam(aMsg, aIter, &altitude )
1.80 + && ReadParam(aMsg, aIter, &accuracy )
1.81 + && ReadParam(aMsg, aIter, &altitudeAccuracy )
1.82 + && ReadParam(aMsg, aIter, &heading )
1.83 + && ReadParam(aMsg, aIter, &speed ))) return false;
1.84 +
1.85 + // We now have all the data
1.86 + *aResult = new nsGeoPositionCoords(latitude, /* aLat */
1.87 + longitude, /* aLong */
1.88 + altitude, /* aAlt */
1.89 + accuracy, /* aHError */
1.90 + altitudeAccuracy, /* aVError */
1.91 + heading, /* aHeading */
1.92 + speed /* aSpeed */
1.93 + );
1.94 + return true;
1.95 +
1.96 + }
1.97 +
1.98 +};
1.99 +
1.100 +template <>
1.101 +struct ParamTraits<nsIDOMGeoPosition*>
1.102 +{
1.103 + typedef nsIDOMGeoPosition* paramType;
1.104 +
1.105 + // Function to serialize a geoposition
1.106 + static void Write(Message *aMsg, const paramType& aParam)
1.107 + {
1.108 + bool isNull = !aParam;
1.109 + WriteParam(aMsg, isNull);
1.110 + // If it is a null object, then we are done
1.111 + if (isNull) return;
1.112 +
1.113 + DOMTimeStamp timeStamp;
1.114 + aParam->GetTimestamp(&timeStamp);
1.115 + WriteParam(aMsg, timeStamp);
1.116 +
1.117 + nsCOMPtr<nsIDOMGeoPositionCoords> coords;
1.118 + aParam->GetCoords(getter_AddRefs(coords));
1.119 + WriteParam(aMsg, coords.get());
1.120 + }
1.121 +
1.122 + // Function to de-serialize a geoposition
1.123 + static bool Read(const Message* aMsg, void **aIter, paramType* aResult)
1.124 + {
1.125 + // Check if it is the null pointer we have transfered
1.126 + bool isNull;
1.127 + if (!ReadParam(aMsg, aIter, &isNull)) return false;
1.128 +
1.129 + if (isNull) {
1.130 + *aResult = 0;
1.131 + return true;
1.132 + }
1.133 +
1.134 + DOMTimeStamp timeStamp;
1.135 + nsIDOMGeoPositionCoords* coords = nullptr;
1.136 +
1.137 + // It's not important to us where it fails, but rather if it fails
1.138 + if (!ReadParam(aMsg, aIter, &timeStamp) ||
1.139 + !ReadParam(aMsg, aIter, &coords)) {
1.140 + nsCOMPtr<nsIDOMGeoPositionCoords> tmpcoords = coords;
1.141 + return false;
1.142 + }
1.143 +
1.144 + *aResult = new nsGeoPosition(coords, timeStamp);
1.145 +
1.146 + return true;
1.147 + };
1.148 +
1.149 +};
1.150 +
1.151 +}
1.152 +
1.153 +#endif
