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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 #ifndef CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ | 5 #ifndef CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ |
6 #define CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ | 6 #define CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include "base/callback_forward.h" | 10 #include "base/callback_forward.h" |
| 11 #include "base/macros.h" |
9 #include "base/memory/scoped_vector.h" | 12 #include "base/memory/scoped_vector.h" |
10 #include "base/strings/string16.h" | 13 #include "base/strings/string16.h" |
11 #include "base/time/time.h" | 14 #include "base/time/time.h" |
12 #include "content/browser/geolocation/location_arbitrator.h" | 15 #include "content/browser/geolocation/location_arbitrator.h" |
13 #include "content/common/content_export.h" | 16 #include "content/common/content_export.h" |
14 #include "content/public/browser/access_token_store.h" | 17 #include "content/public/browser/access_token_store.h" |
15 #include "content/public/browser/location_provider.h" | 18 #include "content/public/browser/location_provider.h" |
16 #include "content/public/common/geoposition.h" | 19 #include "content/public/common/geoposition.h" |
17 #include "net/url_request/url_request_context_getter.h" | 20 #include "net/url_request/url_request_context_getter.h" |
18 | 21 |
19 namespace net { | 22 namespace net { |
20 class URLRequestContextGetter; | 23 class URLRequestContextGetter; |
21 } | 24 } |
22 | 25 |
23 namespace content { | 26 namespace content { |
24 class AccessTokenStore; | 27 class AccessTokenStore; |
25 class LocationProvider; | 28 class LocationProvider; |
26 | 29 |
27 // This class is responsible for handling updates from multiple underlying | 30 // This class is responsible for handling updates from multiple underlying |
28 // providers and resolving them to a single 'best' location fix at any given | 31 // providers and resolving them to a single 'best' location fix at any given |
29 // moment. | 32 // moment. |
30 class CONTENT_EXPORT LocationArbitratorImpl : public LocationArbitrator { | 33 class CONTENT_EXPORT LocationArbitratorImpl : public LocationArbitrator { |
31 public: | 34 public: |
32 // Number of milliseconds newer a location provider has to be that it's worth | 35 // Number of milliseconds newer a location provider has to be that it's worth |
33 // switching to this location provider on the basis of it being fresher | 36 // switching to this location provider on the basis of it being fresher |
34 // (regardles of relative accuracy). Public for tests. | 37 // (regardles of relative accuracy). Public for tests. |
35 static const int64 kFixStaleTimeoutMilliseconds; | 38 static const int64_t kFixStaleTimeoutMilliseconds; |
36 | 39 |
37 typedef base::Callback<void(const Geoposition&)> LocationUpdateCallback; | 40 typedef base::Callback<void(const Geoposition&)> LocationUpdateCallback; |
38 | 41 |
39 explicit LocationArbitratorImpl(const LocationUpdateCallback& callback); | 42 explicit LocationArbitratorImpl(const LocationUpdateCallback& callback); |
40 ~LocationArbitratorImpl() override; | 43 ~LocationArbitratorImpl() override; |
41 | 44 |
42 static GURL DefaultNetworkProviderURL(); | 45 static GURL DefaultNetworkProviderURL(); |
43 | 46 |
44 // LocationArbitrator | 47 // LocationArbitrator |
45 void StartProviders(bool use_high_accuracy) override; | 48 void StartProviders(bool use_high_accuracy) override; |
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98 DISALLOW_COPY_AND_ASSIGN(LocationArbitratorImpl); | 101 DISALLOW_COPY_AND_ASSIGN(LocationArbitratorImpl); |
99 }; | 102 }; |
100 | 103 |
101 // Factory functions for the various types of location provider to abstract | 104 // Factory functions for the various types of location provider to abstract |
102 // over the platform-dependent implementations. | 105 // over the platform-dependent implementations. |
103 LocationProvider* NewSystemLocationProvider(); | 106 LocationProvider* NewSystemLocationProvider(); |
104 | 107 |
105 } // namespace content | 108 } // namespace content |
106 | 109 |
107 #endif // CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ | 110 #endif // CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ |
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