| /* |
| * Copyright (C) 2008, 2009, 2010, 2012, 2014 Apple Inc. All Rights Reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #if PLATFORM(IOS) |
| |
| #import "WebGeolocationCoreLocationProvider.h" |
| |
| #import <CoreLocation/CLLocation.h> |
| #import <CoreLocation/CLLocationManagerDelegate.h> |
| #import <CoreLocation/CoreLocation.h> |
| #import <WebCore/GeolocationPosition.h> |
| #import <WebKitLogging.h> |
| #import <objc/objc-runtime.h> |
| #import <wtf/RefPtr.h> |
| #import <wtf/RetainPtr.h> |
| #import <wtf/SoftLinking.h> |
| |
| SOFT_LINK_FRAMEWORK(CoreLocation) |
| |
| SOFT_LINK_CLASS(CoreLocation, CLLocationManager) |
| SOFT_LINK_CLASS(CoreLocation, CLLocation) |
| |
| SOFT_LINK_CONSTANT(CoreLocation, kCLLocationAccuracyBest, double) |
| SOFT_LINK_CONSTANT(CoreLocation, kCLLocationAccuracyHundredMeters, double) |
| |
| #define kCLLocationAccuracyBest getkCLLocationAccuracyBest() |
| #define kCLLocationAccuracyHundredMeters getkCLLocationAccuracyHundredMeters() |
| |
| using namespace WebCore; |
| |
| @interface WebGeolocationCoreLocationProvider () <CLLocationManagerDelegate> |
| @end |
| |
| @implementation WebGeolocationCoreLocationProvider |
| { |
| id<WebGeolocationCoreLocationUpdateListener> _positionListener; |
| RetainPtr<CLLocationManager> _locationManager; |
| BOOL _isWaitingForAuthorization; |
| CLAuthorizationStatus _lastAuthorizationStatus; |
| } |
| |
| - (void)createLocationManager |
| { |
| ASSERT(!_locationManager); |
| |
| _locationManager = adoptNS([allocCLLocationManagerInstance() init]); |
| _lastAuthorizationStatus = [getCLLocationManagerClass() authorizationStatus]; |
| |
| [ _locationManager setDelegate:self]; |
| } |
| |
| - (id)initWithListener:(id<WebGeolocationCoreLocationUpdateListener>)listener |
| { |
| self = [super init]; |
| if (self) { |
| _positionListener = listener; |
| [self createLocationManager]; |
| } |
| return self; |
| } |
| |
| - (void)dealloc |
| { |
| [_locationManager setDelegate:nil]; |
| [super dealloc]; |
| } |
| |
| - (void)requestGeolocationAuthorization |
| { |
| if (![getCLLocationManagerClass() locationServicesEnabled]) { |
| [_positionListener geolocationAuthorizationDenied]; |
| return; |
| } |
| |
| switch ([getCLLocationManagerClass() authorizationStatus]) { |
| case kCLAuthorizationStatusNotDetermined: { |
| if (!_isWaitingForAuthorization) { |
| _isWaitingForAuthorization = YES; |
| [_locationManager requestWhenInUseAuthorization]; |
| } |
| break; |
| } |
| case kCLAuthorizationStatusAuthorizedAlways: |
| case kCLAuthorizationStatusAuthorizedWhenInUse: { |
| [_positionListener geolocationAuthorizationGranted]; |
| break; |
| } |
| case kCLAuthorizationStatusRestricted: |
| case kCLAuthorizationStatusDenied: |
| [_positionListener geolocationAuthorizationDenied]; |
| break; |
| } |
| } |
| |
| static bool isAuthorizationGranted(CLAuthorizationStatus authorizationStatus) |
| { |
| return authorizationStatus == kCLAuthorizationStatusAuthorizedAlways || authorizationStatus == kCLAuthorizationStatusAuthorizedWhenInUse; |
| } |
| |
| - (void)start |
| { |
| if (![getCLLocationManagerClass() locationServicesEnabled] |
| || !isAuthorizationGranted([getCLLocationManagerClass() authorizationStatus])) { |
| [_locationManager stopUpdatingLocation]; |
| [_positionListener resetGeolocation]; |
| return; |
| } |
| |
| [_locationManager startUpdatingLocation]; |
| } |
| |
| - (void)stop |
| { |
| [_locationManager stopUpdatingLocation]; |
| } |
| |
| - (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status |
| { |
| if (_isWaitingForAuthorization) { |
| switch (status) { |
| case kCLAuthorizationStatusNotDetermined: |
| // This can happen after resume if the user has still not answered the dialog. We just have to wait for the permission. |
| break; |
| case kCLAuthorizationStatusDenied: |
| case kCLAuthorizationStatusRestricted: |
| _isWaitingForAuthorization = NO; |
| [_positionListener geolocationAuthorizationDenied]; |
| break; |
| case kCLAuthorizationStatusAuthorizedAlways: |
| case kCLAuthorizationStatusAuthorizedWhenInUse: |
| _isWaitingForAuthorization = NO; |
| [_positionListener geolocationAuthorizationGranted]; |
| break; |
| } |
| } else { |
| if (!(isAuthorizationGranted(_lastAuthorizationStatus) && isAuthorizationGranted(status))) { |
| [_locationManager stopUpdatingLocation]; |
| [_positionListener resetGeolocation]; |
| } |
| } |
| _lastAuthorizationStatus = status; |
| } |
| |
| - (void)sendLocation:(CLLocation *)newLocation |
| { |
| [_positionListener positionChanged:GeolocationPosition { newLocation }]; |
| } |
| |
| - (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations |
| { |
| UNUSED_PARAM(manager); |
| for (CLLocation *location in locations) |
| [self sendLocation:location]; |
| } |
| |
| - (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error |
| { |
| ASSERT(_positionListener); |
| ASSERT(error); |
| UNUSED_PARAM(manager); |
| |
| if ([error code] == kCLErrorDenied) { |
| // Ignore the error here and let locationManager:didChangeAuthorizationStatus: handle the permission. |
| return; |
| } |
| |
| NSString *errorMessage = [error localizedDescription]; |
| [_positionListener errorOccurred:errorMessage]; |
| } |
| |
| - (void)setEnableHighAccuracy:(BOOL)flag |
| { |
| [_locationManager setDesiredAccuracy:flag ? kCLLocationAccuracyBest : kCLLocationAccuracyHundredMeters]; |
| } |
| |
| @end |
| |
| #endif // PLATFORM(IOS) |