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Side by Side Diff: device/geolocation/location_arbitrator_impl.h

Issue 2192683002: Reland 2:Geolocation: move from content/browser to device/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Ignore size_t_to_int truncation warning Created 4 years, 4 months ago
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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 DEVICE_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_
6 #define CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ 6 #define DEVICE_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_
7 7
8 #include <stdint.h> 8 #include <stdint.h>
9 #include <vector> 9 #include <vector>
10 10
11 #include "base/callback_forward.h" 11 #include "base/callback_forward.h"
12 #include "base/cancelable_callback.h" 12 #include "base/cancelable_callback.h"
13 #include "base/macros.h" 13 #include "base/macros.h"
14 #include "base/memory/scoped_vector.h" 14 #include "base/memory/scoped_vector.h"
15 #include "base/strings/string16.h" 15 #include "base/strings/string16.h"
16 #include "base/time/time.h" 16 #include "base/time/time.h"
17 #include "content/browser/geolocation/location_arbitrator.h" 17 #include "device/geolocation/access_token_store.h"
18 #include "content/common/content_export.h" 18 #include "device/geolocation/geolocation_export.h"
19 #include "content/public/browser/access_token_store.h" 19 #include "device/geolocation/geolocation_provider.h"
20 #include "content/public/browser/geolocation_provider.h" 20 #include "device/geolocation/geoposition.h"
21 #include "content/public/browser/location_provider.h" 21 #include "device/geolocation/location_arbitrator.h"
22 #include "content/public/common/geoposition.h" 22 #include "device/geolocation/location_provider.h"
23 #include "net/url_request/url_request_context_getter.h" 23 #include "net/url_request/url_request_context_getter.h"
24 24
25 namespace net { 25 namespace net {
26 class URLRequestContextGetter; 26 class URLRequestContextGetter;
27 } 27 }
28 28
29 namespace content { 29 namespace device {
30 class AccessTokenStore; 30 class AccessTokenStore;
31 class GeolocationDelegate; 31 class GeolocationDelegate;
32 class LocationProvider; 32 class LocationProvider;
33 33
34 // This class is responsible for handling updates from multiple underlying 34 // This class is responsible for handling updates from multiple underlying
35 // providers and resolving them to a single 'best' location fix at any given 35 // providers and resolving them to a single 'best' location fix at any given
36 // moment. 36 // moment.
37 class CONTENT_EXPORT LocationArbitratorImpl : public LocationArbitrator { 37 class DEVICE_GEOLOCATION_EXPORT LocationArbitratorImpl
38 : public LocationArbitrator {
38 public: 39 public:
39 // Number of milliseconds newer a location provider has to be that it's worth 40 // Number of milliseconds newer a location provider has to be that it's worth
40 // switching to this location provider on the basis of it being fresher 41 // switching to this location provider on the basis of it being fresher
41 // (regardles of relative accuracy). Public for tests. 42 // (regardles of relative accuracy). Public for tests.
42 static const int64_t kFixStaleTimeoutMilliseconds; 43 static const int64_t kFixStaleTimeoutMilliseconds;
43 44
44 typedef base::Callback<void(const Geoposition&)> LocationUpdateCallback; 45 typedef base::Callback<void(const Geoposition&)> LocationUpdateCallback;
45 46
46 LocationArbitratorImpl(const LocationUpdateCallback& callback, 47 LocationArbitratorImpl(const LocationUpdateCallback& callback,
47 GeolocationDelegate* delegate); 48 GeolocationDelegate* delegate);
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116 // Tracks whether providers should be running. 117 // Tracks whether providers should be running.
117 bool is_running_; 118 bool is_running_;
118 119
119 DISALLOW_COPY_AND_ASSIGN(LocationArbitratorImpl); 120 DISALLOW_COPY_AND_ASSIGN(LocationArbitratorImpl);
120 }; 121 };
121 122
122 // Factory functions for the various types of location provider to abstract 123 // Factory functions for the various types of location provider to abstract
123 // over the platform-dependent implementations. 124 // over the platform-dependent implementations.
124 std::unique_ptr<LocationProvider> NewSystemLocationProvider(); 125 std::unique_ptr<LocationProvider> NewSystemLocationProvider();
125 126
126 } // namespace content 127 } // namespace device
127 128
128 #endif // CONTENT_BROWSER_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_ 129 #endif // DEVICE_GEOLOCATION_LOCATION_ARBITRATOR_IMPL_H_
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