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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* Copyright 2012 Mozilla Foundation and Mozilla contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef GonkGPSGeolocationProvider_h
#define GonkGPSGeolocationProvider_h
#include <hardware/gps.h> // for GpsInterface
#include "nsCOMPtr.h"
#include "nsIGeolocationProvider.h"
#include "nsIObserver.h"
#include "nsIDOMGeoPosition.h"
#include "nsISettingsService.h"
class nsIThread;
#define GONK_GPS_GEOLOCATION_PROVIDER_CID \
{ 0x48525ec5, 0x5a7f, 0x490a, { 0x92, 0x77, 0xba, 0x66, 0xe0, 0xd2, 0x2c, 0x8b } }
#define GONK_GPS_GEOLOCATION_PROVIDER_CONTRACTID \
"@mozilla.org/gonk-gps-geolocation-provider;1"
class GonkGPSGeolocationProvider : public nsIGeolocationProvider
, public nsIObserver
, public nsISettingsServiceCallback
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIGEOLOCATIONPROVIDER
NS_DECL_NSIOBSERVER
NS_DECL_NSISETTINGSSERVICECALLBACK
static already_AddRefed<GonkGPSGeolocationProvider> GetSingleton();
private:
/* Client should use GetSingleton() to get the provider instance. */
GonkGPSGeolocationProvider();
GonkGPSGeolocationProvider(const GonkGPSGeolocationProvider &);
GonkGPSGeolocationProvider & operator = (const GonkGPSGeolocationProvider &);
virtual ~GonkGPSGeolocationProvider();
static void LocationCallback(GpsLocation* location);
static void StatusCallback(GpsStatus* status);
static void SvStatusCallback(GpsSvStatus* sv_info);
static void NmeaCallback(GpsUtcTime timestamp, const char* nmea, int length);
static void SetCapabilitiesCallback(uint32_t capabilities);
static void AcquireWakelockCallback();
static void ReleaseWakelockCallback();
static pthread_t CreateThreadCallback(const char* name, void (*start)(void*), void* arg);
static void RequestUtcTimeCallback();
static GpsCallbacks mCallbacks;
void Init();
void StartGPS();
void ShutdownGPS();
void InjectLocation(double latitude, double longitude, float accuracy);
void RequestSettingValue(const char* aKey);
const GpsInterface* GetGPSInterface();
static GonkGPSGeolocationProvider* sSingleton;
bool mStarted;
bool mSupportsScheduling;
bool mObservingSettingsChange;
bool mSupportsSingleShot;
bool mSupportsTimeInjection;
const GpsInterface* mGpsInterface;
nsCOMPtr<nsIGeolocationUpdate> mLocationCallback;
nsCOMPtr<nsIThread> mInitThread;
nsCOMPtr<nsIGeolocationProvider> mNetworkLocationProvider;
nsCOMPtr<nsIDOMGeoPosition> mLastGPSPosition;
class NetworkLocationUpdate : public nsIGeolocationUpdate
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIGEOLOCATIONUPDATE
NetworkLocationUpdate() {}
private:
virtual ~NetworkLocationUpdate() {}
};
};
#endif /* GonkGPSGeolocationProvider_h */
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