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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 #include "chrome/browser/chromeos/geolocation/simple_geolocation_provider.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <iterator> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/time/time.h" | |
| 12 #include "chrome/browser/chromeos/geolocation/geoposition.h" | |
| 13 #include "net/url_request/url_request_context_getter.h" | |
| 14 #include "url/gurl.h" | |
| 15 | |
| 16 namespace chromeos { | |
| 17 | |
| 18 namespace { | |
| 19 const char kDefaultGeolocationProviderUrl[] = | |
| 20 "https://www.googleapis.com/geolocation/v1/geolocate?"; | |
| 21 } // namespace | |
| 22 | |
| 23 SimpleGeolocationProvider::SimpleGeolocationProvider( | |
| 24 net::URLRequestContextGetter* url_context_getter, | |
| 25 const GURL& url) | |
| 26 : url_context_getter_(url_context_getter), url_(url) { | |
| 27 } | |
| 28 | |
| 29 SimpleGeolocationProvider::~SimpleGeolocationProvider() { | |
| 30 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 31 } | |
| 32 | |
| 33 void SimpleGeolocationProvider::RequestGeolocation( | |
| 34 base::TimeDelta timeout, | |
| 35 SimpleGeolocationRequest::ResponseCallback callback) { | |
| 36 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 37 SimpleGeolocationRequest* request( | |
| 38 new SimpleGeolocationRequest(url_context_getter_.get(), url_, timeout)); | |
| 39 requests_.push_back(request); | |
| 40 | |
| 41 // SimpleGeolocationProvider owns all requests. It is safe to pass unretained | |
| 42 // "this" because destruction of SimpleGeolocationProvider cancels all | |
| 43 // requests. | |
| 44 SimpleGeolocationRequest::ResponseCallback callback_tmp( | |
| 45 base::Bind(&SimpleGeolocationProvider::OnGeolocationResponse, | |
| 46 base::Unretained(this), | |
| 47 request, | |
| 48 callback)); | |
| 49 request->MakeRequest(callback_tmp); | |
| 50 } | |
| 51 | |
| 52 // static | |
| 53 GURL SimpleGeolocationProvider::DefaultGeolocationProviderURL() { | |
| 54 return GURL(kDefaultGeolocationProviderUrl); | |
| 55 } | |
| 56 | |
| 57 void SimpleGeolocationProvider::OnGeolocationResponse( | |
| 58 SimpleGeolocationRequest* request, | |
| 59 SimpleGeolocationRequest::ResponseCallback callback, | |
| 60 const Geoposition& geoposition, | |
| 61 bool server_error, | |
| 62 const base::TimeDelta elapsed) { | |
| 63 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 64 | |
| 65 callback.Run(geoposition, server_error, elapsed); | |
| 66 | |
| 67 ScopedVector<SimpleGeolocationRequest>::iterator new_end = | |
| 68 std::remove(requests_.begin(), requests_.end(), request); | |
| 69 DCHECK_EQ(std::distance(new_end, requests_.end()), 1); | |
| 70 requests_.erase(new_end, requests_.end()); | |
| 71 } | |
| 72 | |
| 73 } // namespace chromeos | |
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