OLD | NEW |
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_H_ | 5 #ifndef CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ |
6 #define CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_H_ | 6 #define CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ |
7 | 7 |
8 #include "base/memory/scoped_vector.h" | 8 #include "base/memory/scoped_vector.h" |
9 #include "base/string16.h" | 9 #include "base/string16.h" |
10 #include "base/time.h" | 10 #include "base/time.h" |
| 11 #include "content/browser/geolocation/geolocation_observer.h" |
| 12 #include "content/browser/geolocation/location_arbitrator.h" |
11 #include "content/browser/geolocation/location_provider.h" | 13 #include "content/browser/geolocation/location_provider.h" |
12 #include "content/browser/geolocation/geolocation_observer.h" | |
13 #include "content/common/content_export.h" | 14 #include "content/common/content_export.h" |
14 #include "content/public/browser/access_token_store.h" | 15 #include "content/public/browser/access_token_store.h" |
15 #include "content/public/common/geoposition.h" | 16 #include "content/public/common/geoposition.h" |
16 #include "net/url_request/url_request_context_getter.h" | 17 #include "net/url_request/url_request_context_getter.h" |
17 | 18 |
18 namespace net { | 19 namespace net { |
19 class URLRequestContextGetter; | 20 class URLRequestContextGetter; |
20 } | 21 } |
21 | 22 |
22 namespace content { | 23 namespace content { |
23 class AccessTokenStore; | 24 class AccessTokenStore; |
24 class LocationProviderBase; | 25 class LocationProviderBase; |
25 | 26 |
26 // This class is responsible for handling updates from multiple underlying | 27 // This class is responsible for handling updates from multiple underlying |
27 // providers and resolving them to a single 'best' location fix at any given | 28 // providers and resolving them to a single 'best' location fix at any given |
28 // moment. | 29 // moment. |
29 class CONTENT_EXPORT GeolocationArbitrator | 30 class CONTENT_EXPORT GeolocationArbitratorImpl |
30 : public LocationProviderBase::ListenerInterface { | 31 : public GeolocationArbitrator, |
| 32 public LocationProviderBase::ListenerInterface { |
31 public: | 33 public: |
32 // Number of milliseconds newer a location provider has to be that it's worth | 34 // 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 | 35 // switching to this location provider on the basis of it being fresher |
34 // (regardles of relative accuracy). Public for tests. | 36 // (regardles of relative accuracy). Public for tests. |
35 static const int64 kFixStaleTimeoutMilliseconds; | 37 static const int64 kFixStaleTimeoutMilliseconds; |
36 | 38 |
37 explicit GeolocationArbitrator(GeolocationObserver* observer); | 39 explicit GeolocationArbitratorImpl(GeolocationObserver* observer); |
38 virtual ~GeolocationArbitrator(); | 40 virtual ~GeolocationArbitratorImpl(); |
39 | 41 |
40 static GURL DefaultNetworkProviderURL(); | 42 static GURL DefaultNetworkProviderURL(); |
41 | 43 |
42 // See more details in geolocation_provider. | 44 // GeolocationArbitrator |
43 void StartProviders(const GeolocationObserverOptions& options); | 45 virtual void StartProviders(const GeolocationObserverOptions& options) |
44 void StopProviders(); | 46 OVERRIDE; |
45 | 47 virtual void StopProviders() OVERRIDE; |
46 // Called everytime permission is granted to a page for using geolocation. | 48 virtual void OnPermissionGranted() OVERRIDE; |
47 // This may either be through explicit user action (e.g. responding to the | 49 virtual bool HasPermissionBeenGranted() const OVERRIDE; |
48 // infobar prompt) or inferred from a persisted site permission. | |
49 // The arbitrator will inform all providers of this, which may in turn use | |
50 // this information to modify their internal policy. | |
51 void OnPermissionGranted(); | |
52 | |
53 // Returns true if this arbitrator has received at least one call to | |
54 // OnPermissionGranted(). | |
55 bool HasPermissionBeenGranted() const; | |
56 | 50 |
57 // ListenerInterface | 51 // ListenerInterface |
58 virtual void LocationUpdateAvailable(LocationProviderBase* provider) OVERRIDE; | 52 virtual void LocationUpdateAvailable(LocationProviderBase* provider) OVERRIDE; |
59 | 53 |
60 protected: | 54 protected: |
61 | 55 |
62 AccessTokenStore* GetAccessTokenStore(); | 56 AccessTokenStore* GetAccessTokenStore(); |
63 | 57 |
64 // These functions are useful for injection of dependencies in derived | 58 // These functions are useful for injection of dependencies in derived |
65 // testing classes. | 59 // testing classes. |
(...skipping 24 matching lines...) Expand all Loading... |
90 scoped_refptr<AccessTokenStore> access_token_store_; | 84 scoped_refptr<AccessTokenStore> access_token_store_; |
91 GeolocationObserver* observer_; | 85 GeolocationObserver* observer_; |
92 ScopedVector<LocationProviderBase> providers_; | 86 ScopedVector<LocationProviderBase> providers_; |
93 GeolocationObserverOptions current_provider_options_; | 87 GeolocationObserverOptions current_provider_options_; |
94 // The provider which supplied the current |position_| | 88 // The provider which supplied the current |position_| |
95 const LocationProviderBase* position_provider_; | 89 const LocationProviderBase* position_provider_; |
96 bool is_permission_granted_; | 90 bool is_permission_granted_; |
97 // The current best estimate of our position. | 91 // The current best estimate of our position. |
98 Geoposition position_; | 92 Geoposition position_; |
99 | 93 |
100 DISALLOW_COPY_AND_ASSIGN(GeolocationArbitrator); | 94 DISALLOW_COPY_AND_ASSIGN(GeolocationArbitratorImpl); |
101 }; | 95 }; |
102 | 96 |
103 } // namespace content | 97 } // namespace content |
104 | 98 |
105 #endif // CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_H_ | 99 #endif // CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ |
OLD | NEW |