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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_ | |
| 6 #define CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_ | |
| 7 | |
| 8 #include "base/macros.h" | |
| 9 #include "base/memory/ref_counted.h" | |
| 10 #include "base/memory/scoped_vector.h" | |
| 11 #include "base/threading/thread_checker.h" | |
| 12 #include "base/time/time.h" | |
| 13 #include "chrome/browser/chromeos/geolocation/simple_geolocation_request.h" | |
| 14 #include "url/gurl.h" | |
| 15 | |
| 16 namespace net { | |
| 17 class URLRequestContextGetter; | |
| 18 } | |
| 19 | |
| 20 namespace chromeos { | |
| 21 | |
| 22 // This class implements Google Maps Geolocation API. | |
| 23 // | |
| 24 // SimpleGeolocationProvider must be created and used on the same thread. | |
| 25 // | |
| 26 // Note: this should probably be a singleton to monitor requests rate. | |
| 27 // But as it is used only diring ChromeOS Out-of-Box, it can be owned by | |
| 28 // WizardController for now. | |
| 29 class SimpleGeolocationProvider { | |
| 30 public: | |
| 31 SimpleGeolocationProvider(net::URLRequestContextGetter* url_context_getter, | |
| 32 const GURL& url); | |
| 33 virtual ~SimpleGeolocationProvider(); | |
| 34 | |
| 35 // Initiates new request (See SimpleGeolocationRequest for parameters | |
| 36 // description.) | |
| 37 void RequestGeolocation(base::TimeDelta timeout, | |
| 38 SimpleGeolocationRequest::ResponseCallback callback); | |
| 39 | |
| 40 // Returns default geolocation service URL. | |
| 41 static GURL DefaultGeolocationProviderURL(); | |
| 42 | |
| 43 private: | |
| 44 friend class TestGeolocationAPIURLFetcherCallback; | |
| 45 | |
| 46 // Geolocation response callback. Deletes request from requests_. | |
| 47 void OnGeolocationResponse( | |
| 48 SimpleGeolocationRequest* request, | |
| 49 SimpleGeolocationRequest::ResponseCallback callback, | |
| 50 const Geoposition& geoposition, | |
| 51 bool server_error, | |
| 52 const base::TimeDelta elapsed); | |
| 53 | |
| 54 scoped_refptr<net::URLRequestContextGetter> url_context_getter_; | |
| 55 | |
| 56 // URL of the Google Maps Geolocation API. | |
| 57 const GURL url_; | |
| 58 | |
| 59 // Requests in progress. | |
| 60 // SimpleGeolocationProvider owns all requests, so this vector is deleted on | |
| 61 // destroy. | |
| 62 ScopedVector<SimpleGeolocationRequest> requests_; | |
| 63 | |
| 64 // Creation and destruction should happen on the same thread. | |
| 65 base::ThreadChecker thread_checker_; | |
| 66 | |
| 67 DISALLOW_COPY_AND_ASSIGN(SimpleGeolocationProvider); | |
| 68 }; | |
| 69 | |
| 70 } // namespace chromeos | |
| 71 | |
| 72 #endif // CHROME_BROWSER_CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_ | |
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