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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #import "ios/chrome/browser/geolocation/CLLocation+XGeoHeader.h" | 5 #import "ios/chrome/browser/geolocation/CLLocation+XGeoHeader.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #import "third_party/google_toolbox_for_mac/src/Foundation/GTMStringEncoding.h" | 9 #import "third_party/google_toolbox_for_mac/src/Foundation/GTMStringEncoding.h" |
10 | 10 |
| 11 #if !defined(__has_feature) || !__has_feature(objc_arc) |
| 12 #error "This file requires ARC support." |
| 13 #endif |
| 14 |
11 NSString* const kGMOLocationDescriptorFormat = | 15 NSString* const kGMOLocationDescriptorFormat = |
12 @"role: CURRENT_LOCATION\n" | 16 @"role: CURRENT_LOCATION\n" |
13 @"producer: DEVICE_LOCATION\n" | 17 @"producer: DEVICE_LOCATION\n" |
14 @"timestamp: %lld\n" | 18 @"timestamp: %lld\n" |
15 @"radius: %ld\n" | 19 @"radius: %ld\n" |
16 @"latlng <\n" | 20 @"latlng <\n" |
17 @" latitude_e7: %.f\n" | 21 @" latitude_e7: %.f\n" |
18 @" longitude_e7: %.f\n" | 22 @" longitude_e7: %.f\n" |
19 @">"; | 23 @">"; |
20 | 24 |
21 @implementation CLLocation (XGeoHeader) | 25 @implementation CLLocation (XGeoHeader) |
22 | 26 |
23 - (NSString*)cr_serializeStringToWebSafeBase64String:(NSString*)data { | 27 - (NSString*)cr_serializeStringToWebSafeBase64String:(NSString*)data { |
24 GTMStringEncoding* encoder = | 28 GTMStringEncoding* encoder = |
25 [GTMStringEncoding rfc4648Base64WebsafeStringEncoding]; | 29 [GTMStringEncoding rfc4648Base64WebsafeStringEncoding]; |
26 NSString* base64 = | 30 NSString* base64 = |
27 [encoder encode:[data dataUsingEncoding:NSUTF8StringEncoding] | 31 [encoder encode:[data dataUsingEncoding:NSUTF8StringEncoding] |
28 error:nullptr]; | 32 error:nullptr]; |
29 if (base64) { | 33 if (base64) { |
30 return base64; | 34 return base64; |
31 } else { | |
32 return @""; | |
33 } | 35 } |
| 36 return @""; |
34 } | 37 } |
35 | 38 |
36 // Returns the timestamp of this location in microseconds since the UNIX epoch. | 39 // Returns the timestamp of this location in microseconds since the UNIX epoch. |
37 // Returns 0 if the timestamp is unavailable or invalid. | 40 // Returns 0 if the timestamp is unavailable or invalid. |
38 - (int64_t)cr_timestampInMicroseconds { | 41 - (int64_t)cr_timestampInMicroseconds { |
39 NSTimeInterval seconds = [self.timestamp timeIntervalSince1970]; | 42 NSTimeInterval seconds = [self.timestamp timeIntervalSince1970]; |
40 if (seconds > 0) { | 43 if (seconds > 0) { |
41 const int64_t kSecondsToMicroseconds = 1000000; | 44 const int64_t kSecondsToMicroseconds = 1000000; |
42 return (int64_t)(seconds * kSecondsToMicroseconds); | 45 return (int64_t)(seconds * kSecondsToMicroseconds); |
43 } | 46 } |
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67 | 70 |
68 - (NSString*)cr_xGeoString { | 71 - (NSString*)cr_xGeoString { |
69 NSString* locationDescriptor = [self cr_locationDescriptor]; | 72 NSString* locationDescriptor = [self cr_locationDescriptor]; |
70 // The "a" indicates that it is an ASCII proto. | 73 // The "a" indicates that it is an ASCII proto. |
71 return [NSString | 74 return [NSString |
72 stringWithFormat:@"a %@", [self cr_serializeStringToWebSafeBase64String: | 75 stringWithFormat:@"a %@", [self cr_serializeStringToWebSafeBase64String: |
73 locationDescriptor]]; | 76 locationDescriptor]]; |
74 } | 77 } |
75 | 78 |
76 @end | 79 @end |
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