michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim:set ts=2 sw=2 sts=2 et cindent: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsGeoPosition.h"
michael@0: #include "nsIConsoleService.h"
michael@0: #include "nsServiceManagerUtils.h"
michael@0: #include "nsIDOMGeoPositionError.h"
michael@0: #include "CoreLocationLocationProvider.h"
michael@0: #include "nsCocoaFeatures.h"
michael@0: #include "prtime.h"
michael@0: 
michael@0: #include <CoreLocation/CLError.h>
michael@0: #include <CoreLocation/CLLocation.h>
michael@0: #include <CoreLocation/CLLocationManager.h>
michael@0: #include <CoreLocation/CLLocationManagerDelegate.h>
michael@0: 
michael@0: #include <objc/objc.h>
michael@0: #include <objc/objc-runtime.h>
michael@0: 
michael@0: #include "nsObjCExceptions.h"
michael@0: 
michael@0: using namespace mozilla;
michael@0: 
michael@0: static const CLLocationAccuracy kHIGH_ACCURACY = kCLLocationAccuracyBest;
michael@0: static const CLLocationAccuracy kDEFAULT_ACCURACY = kCLLocationAccuracyNearestTenMeters;
michael@0: 
michael@0: @interface LocationDelegate : NSObject <CLLocationManagerDelegate>
michael@0: {
michael@0:   CoreLocationLocationProvider* mProvider;
michael@0: }
michael@0: 
michael@0: - (id)init:(CoreLocationLocationProvider*)aProvider;
michael@0: - (void)locationManager:(CLLocationManager*)aManager
michael@0:   didFailWithError:(NSError *)aError;
michael@0: 
michael@0: /* XXX (ggp) didUpdateToLocation is supposedly deprecated in favor of
michael@0:  * locationManager:didUpdateLocations, which is undocumented and didn't seem to
michael@0:  * work for me. This should be changed in the future, though.
michael@0:  */
michael@0: - (void)locationManager:(CLLocationManager*)aManager
michael@0:   didUpdateToLocation:(CLLocation *)aNewLocation
michael@0:   fromLocation:(CLLocation *)aOldLocation;
michael@0: @end
michael@0: 
michael@0: @implementation LocationDelegate
michael@0: - (id) init:(CoreLocationLocationProvider*) aProvider
michael@0: {
michael@0:   if (self = [super init]) {
michael@0:     mProvider = aProvider;
michael@0:   }
michael@0: 
michael@0:   return self;
michael@0: }
michael@0: 
michael@0: - (void)locationManager:(CLLocationManager*)aManager
michael@0:   didFailWithError:(NSError *)aError
michael@0: {
michael@0:   nsCOMPtr<nsIConsoleService> console =
michael@0:     do_GetService(NS_CONSOLESERVICE_CONTRACTID);
michael@0: 
michael@0:   NS_ENSURE_TRUE_VOID(console);
michael@0: 
michael@0:   NSString* message =
michael@0:     [@"Failed to acquire position: " stringByAppendingString: [aError localizedDescription]];
michael@0: 
michael@0:   console->LogStringMessage(NS_ConvertUTF8toUTF16([message UTF8String]).get());
michael@0: 
michael@0:   uint16_t err = nsIDOMGeoPositionError::POSITION_UNAVAILABLE;
michael@0:   if ([aError code] == kCLErrorDenied) {
michael@0:     err = nsIDOMGeoPositionError::PERMISSION_DENIED;
michael@0:   }
michael@0: 
michael@0:   mProvider->NotifyError(err);
michael@0: }
michael@0: 
michael@0: - (void)locationManager:(CLLocationManager*)aManager
michael@0:   didUpdateToLocation:(CLLocation *)aNewLocation
michael@0:   fromLocation:(CLLocation *)aOldLocation
michael@0: {
michael@0:   nsCOMPtr<nsIDOMGeoPosition> geoPosition =
michael@0:     new nsGeoPosition(aNewLocation.coordinate.latitude,
michael@0:                       aNewLocation.coordinate.longitude,
michael@0:                       aNewLocation.altitude,
michael@0:                       aNewLocation.horizontalAccuracy,
michael@0:                       aNewLocation.verticalAccuracy,
michael@0:                       aNewLocation.course,
michael@0:                       aNewLocation.speed,
michael@0:                       PR_Now());
michael@0: 
michael@0:   mProvider->Update(geoPosition);
michael@0: }
michael@0: @end
michael@0: 
michael@0: class CoreLocationObjects {
michael@0: public:
michael@0:   NS_METHOD Init(CoreLocationLocationProvider* aProvider) {
michael@0:     mLocationManager = [[CLLocationManager alloc] init];
michael@0:     NS_ENSURE_TRUE(mLocationManager, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:     mLocationDelegate = [[LocationDelegate alloc] init:aProvider];
michael@0:     NS_ENSURE_TRUE(mLocationDelegate, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:     mLocationManager.desiredAccuracy = kDEFAULT_ACCURACY;
michael@0:     mLocationManager.delegate = mLocationDelegate;
michael@0: 
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   ~CoreLocationObjects() {
michael@0:     if (mLocationManager) {
michael@0:       [mLocationManager release];
michael@0:     }
michael@0: 
michael@0:     if (mLocationDelegate) {
michael@0:       [mLocationDelegate release];
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   LocationDelegate* mLocationDelegate;
michael@0:   CLLocationManager* mLocationManager;
michael@0: };
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(CoreLocationLocationProvider, nsIGeolocationProvider)
michael@0: 
michael@0: CoreLocationLocationProvider::CoreLocationLocationProvider()
michael@0:   : mCLObjects(nullptr)
michael@0: {
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CoreLocationLocationProvider::Startup()
michael@0: {
michael@0:   if (!mCLObjects) {
michael@0:     nsAutoPtr<CoreLocationObjects> clObjs(new CoreLocationObjects());
michael@0: 
michael@0:     nsresult rv = clObjs->Init(this);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     mCLObjects = clObjs.forget();
michael@0:   }
michael@0: 
michael@0:   [mCLObjects->mLocationManager startUpdatingLocation];
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CoreLocationLocationProvider::Watch(nsIGeolocationUpdate* aCallback)
michael@0: {
michael@0:   if (mCallback) {
michael@0:     return NS_OK;
michael@0:   }
michael@0: 
michael@0:   mCallback = aCallback;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CoreLocationLocationProvider::Shutdown()
michael@0: {
michael@0:   NS_ENSURE_STATE(mCLObjects);
michael@0: 
michael@0:   [mCLObjects->mLocationManager stopUpdatingLocation];
michael@0: 
michael@0:   delete mCLObjects;
michael@0:   mCLObjects = nullptr;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: CoreLocationLocationProvider::SetHighAccuracy(bool aEnable)
michael@0: {
michael@0:   NS_ENSURE_STATE(mCLObjects);
michael@0: 
michael@0:   mCLObjects->mLocationManager.desiredAccuracy =
michael@0:     (aEnable ? kHIGH_ACCURACY : kDEFAULT_ACCURACY);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: void
michael@0: CoreLocationLocationProvider::Update(nsIDOMGeoPosition* aSomewhere)
michael@0: {
michael@0:   if (aSomewhere && mCallback) {
michael@0:     mCallback->Update(aSomewhere);
michael@0:   }
michael@0: }
michael@0: 
michael@0: void
michael@0: CoreLocationLocationProvider::NotifyError(uint16_t aErrorCode)
michael@0: {
michael@0:   mCallback->NotifyError(aErrorCode);
michael@0: }