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comparison: dom/system/mac/CoreLocationLocationProvider.mm
dom/system/mac/CoreLocationLocationProvider.mm
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "nsCOMPtr.h" | |
| 8 #include "nsGeoPosition.h" | |
| 9 #include "nsIConsoleService.h" | |
| 10 #include "nsServiceManagerUtils.h" | |
| 11 #include "nsIDOMGeoPositionError.h" | |
| 12 #include "CoreLocationLocationProvider.h" | |
| 13 #include "nsCocoaFeatures.h" | |
| 14 #include "prtime.h" | |
| 15 | |
| 16 #include <CoreLocation/CLError.h> | |
| 17 #include <CoreLocation/CLLocation.h> | |
| 18 #include <CoreLocation/CLLocationManager.h> | |
| 19 #include <CoreLocation/CLLocationManagerDelegate.h> | |
| 20 | |
| 21 #include <objc/objc.h> | |
| 22 #include <objc/objc-runtime.h> | |
| 23 | |
| 24 #include "nsObjCExceptions.h" | |
| 25 | |
| 26 using namespace mozilla; | |
| 27 | |
| 28 static const CLLocationAccuracy kHIGH_ACCURACY = kCLLocationAccuracyBest; | |
| 29 static const CLLocationAccuracy kDEFAULT_ACCURACY = kCLLocationAccuracyNearestTenMeters; | |
| 30 | |
| 31 @interface LocationDelegate : NSObject <CLLocationManagerDelegate> | |
| 32 { | |
| 33 CoreLocationLocationProvider* mProvider; | |
| 34 } | |
| 35 | |
| 36 - (id)init:(CoreLocationLocationProvider*)aProvider; | |
| 37 - (void)locationManager:(CLLocationManager*)aManager | |
| 38 didFailWithError:(NSError *)aError; | |
| 39 | |
| 40 /* XXX (ggp) didUpdateToLocation is supposedly deprecated in favor of | |
| 41 * locationManager:didUpdateLocations, which is undocumented and didn't seem to | |
| 42 * work for me. This should be changed in the future, though. | |
| 43 */ | |
| 44 - (void)locationManager:(CLLocationManager*)aManager | |
| 45 didUpdateToLocation:(CLLocation *)aNewLocation | |
| 46 fromLocation:(CLLocation *)aOldLocation; | |
| 47 @end | |
| 48 | |
| 49 @implementation LocationDelegate | |
| 50 - (id) init:(CoreLocationLocationProvider*) aProvider | |
| 51 { | |
| 52 if (self = [super init]) { | |
| 53 mProvider = aProvider; | |
| 54 } | |
| 55 | |
| 56 return self; | |
| 57 } | |
| 58 | |
| 59 - (void)locationManager:(CLLocationManager*)aManager | |
| 60 didFailWithError:(NSError *)aError | |
| 61 { | |
| 62 nsCOMPtr<nsIConsoleService> console = | |
| 63 do_GetService(NS_CONSOLESERVICE_CONTRACTID); | |
| 64 | |
| 65 NS_ENSURE_TRUE_VOID(console); | |
| 66 | |
| 67 NSString* message = | |
| 68 [@"Failed to acquire position: " stringByAppendingString: [aError localizedDescription]]; | |
| 69 | |
| 70 console->LogStringMessage(NS_ConvertUTF8toUTF16([message UTF8String]).get()); | |
| 71 | |
| 72 uint16_t err = nsIDOMGeoPositionError::POSITION_UNAVAILABLE; | |
| 73 if ([aError code] == kCLErrorDenied) { | |
| 74 err = nsIDOMGeoPositionError::PERMISSION_DENIED; | |
| 75 } | |
| 76 | |
| 77 mProvider->NotifyError(err); | |
| 78 } | |
| 79 | |
| 80 - (void)locationManager:(CLLocationManager*)aManager | |
| 81 didUpdateToLocation:(CLLocation *)aNewLocation | |
| 82 fromLocation:(CLLocation *)aOldLocation | |
| 83 { | |
| 84 nsCOMPtr<nsIDOMGeoPosition> geoPosition = | |
| 85 new nsGeoPosition(aNewLocation.coordinate.latitude, | |
| 86 aNewLocation.coordinate.longitude, | |
| 87 aNewLocation.altitude, | |
| 88 aNewLocation.horizontalAccuracy, | |
| 89 aNewLocation.verticalAccuracy, | |
| 90 aNewLocation.course, | |
| 91 aNewLocation.speed, | |
| 92 PR_Now()); | |
| 93 | |
| 94 mProvider->Update(geoPosition); | |
| 95 } | |
| 96 @end | |
| 97 | |
| 98 class CoreLocationObjects { | |
| 99 public: | |
| 100 NS_METHOD Init(CoreLocationLocationProvider* aProvider) { | |
| 101 mLocationManager = [[CLLocationManager alloc] init]; | |
| 102 NS_ENSURE_TRUE(mLocationManager, NS_ERROR_NOT_AVAILABLE); | |
| 103 | |
| 104 mLocationDelegate = [[LocationDelegate alloc] init:aProvider]; | |
| 105 NS_ENSURE_TRUE(mLocationDelegate, NS_ERROR_NOT_AVAILABLE); | |
| 106 | |
| 107 mLocationManager.desiredAccuracy = kDEFAULT_ACCURACY; | |
| 108 mLocationManager.delegate = mLocationDelegate; | |
| 109 | |
| 110 return NS_OK; | |
| 111 } | |
| 112 | |
| 113 ~CoreLocationObjects() { | |
| 114 if (mLocationManager) { | |
| 115 [mLocationManager release]; | |
| 116 } | |
| 117 | |
| 118 if (mLocationDelegate) { | |
| 119 [mLocationDelegate release]; | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 LocationDelegate* mLocationDelegate; | |
| 124 CLLocationManager* mLocationManager; | |
| 125 }; | |
| 126 | |
| 127 NS_IMPL_ISUPPORTS(CoreLocationLocationProvider, nsIGeolocationProvider) | |
| 128 | |
| 129 CoreLocationLocationProvider::CoreLocationLocationProvider() | |
| 130 : mCLObjects(nullptr) | |
| 131 { | |
| 132 } | |
| 133 | |
| 134 NS_IMETHODIMP | |
| 135 CoreLocationLocationProvider::Startup() | |
| 136 { | |
| 137 if (!mCLObjects) { | |
| 138 nsAutoPtr<CoreLocationObjects> clObjs(new CoreLocationObjects()); | |
| 139 | |
| 140 nsresult rv = clObjs->Init(this); | |
| 141 NS_ENSURE_SUCCESS(rv, rv); | |
| 142 | |
| 143 mCLObjects = clObjs.forget(); | |
| 144 } | |
| 145 | |
| 146 [mCLObjects->mLocationManager startUpdatingLocation]; | |
| 147 return NS_OK; | |
| 148 } | |
| 149 | |
| 150 NS_IMETHODIMP | |
| 151 CoreLocationLocationProvider::Watch(nsIGeolocationUpdate* aCallback) | |
| 152 { | |
| 153 if (mCallback) { | |
| 154 return NS_OK; | |
| 155 } | |
| 156 | |
| 157 mCallback = aCallback; | |
| 158 return NS_OK; | |
| 159 } | |
| 160 | |
| 161 NS_IMETHODIMP | |
| 162 CoreLocationLocationProvider::Shutdown() | |
| 163 { | |
| 164 NS_ENSURE_STATE(mCLObjects); | |
| 165 | |
| 166 [mCLObjects->mLocationManager stopUpdatingLocation]; | |
| 167 | |
| 168 delete mCLObjects; | |
| 169 mCLObjects = nullptr; | |
| 170 return NS_OK; | |
| 171 } | |
| 172 | |
| 173 NS_IMETHODIMP | |
| 174 CoreLocationLocationProvider::SetHighAccuracy(bool aEnable) | |
| 175 { | |
| 176 NS_ENSURE_STATE(mCLObjects); | |
| 177 | |
| 178 mCLObjects->mLocationManager.desiredAccuracy = | |
| 179 (aEnable ? kHIGH_ACCURACY : kDEFAULT_ACCURACY); | |
| 180 | |
| 181 return NS_OK; | |
| 182 } | |
| 183 | |
| 184 void | |
| 185 CoreLocationLocationProvider::Update(nsIDOMGeoPosition* aSomewhere) | |
| 186 { | |
| 187 if (aSomewhere && mCallback) { | |
| 188 mCallback->Update(aSomewhere); | |
| 189 } | |
| 190 } | |
| 191 | |
| 192 void | |
| 193 CoreLocationLocationProvider::NotifyError(uint16_t aErrorCode) | |
| 194 { | |
| 195 mCallback->NotifyError(aErrorCode); | |
| 196 } |
