| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_ |
| #define CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_vector.h" |
| #include "base/threading/thread_checker.h" |
| #include "base/time/time.h" |
| #include "chromeos/chromeos_export.h" |
| #include "chromeos/geolocation/simple_geolocation_request.h" |
| #include "url/gurl.h" |
| |
| namespace net { |
| class URLRequestContextGetter; |
| } |
| |
| namespace chromeos { |
| |
| // This class implements Google Maps Geolocation API. |
| // |
| // SimpleGeolocationProvider must be created and used on the same thread. |
| // |
| // Note: this should probably be a singleton to monitor requests rate. |
| // But as it is used only diring ChromeOS Out-of-Box, it can be owned by |
| // WizardController for now. |
| class CHROMEOS_EXPORT SimpleGeolocationProvider { |
| public: |
| SimpleGeolocationProvider(net::URLRequestContextGetter* url_context_getter, |
| const GURL& url); |
| virtual ~SimpleGeolocationProvider(); |
| |
| // Initiates new request (See SimpleGeolocationRequest for parameters |
| // description.) |
| void RequestGeolocation(base::TimeDelta timeout, |
| SimpleGeolocationRequest::ResponseCallback callback); |
| |
| // Returns default geolocation service URL. |
| static GURL DefaultGeolocationProviderURL(); |
| |
| private: |
| friend class TestGeolocationAPIURLFetcherCallback; |
| |
| // Geolocation response callback. Deletes request from requests_. |
| void OnGeolocationResponse( |
| SimpleGeolocationRequest* request, |
| SimpleGeolocationRequest::ResponseCallback callback, |
| const Geoposition& geoposition, |
| bool server_error, |
| const base::TimeDelta elapsed); |
| |
| scoped_refptr<net::URLRequestContextGetter> url_context_getter_; |
| |
| // URL of the Google Maps Geolocation API. |
| const GURL url_; |
| |
| // Requests in progress. |
| // SimpleGeolocationProvider owns all requests, so this vector is deleted on |
| // destroy. |
| ScopedVector<SimpleGeolocationRequest> requests_; |
| |
| // Creation and destruction should happen on the same thread. |
| base::ThreadChecker thread_checker_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SimpleGeolocationProvider); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROMEOS_GEOLOCATION_SIMPLE_GEOLOCATION_PROVIDER_H_ |