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1 // Copyright 2017 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 NET_NQE_NETWORK_QUALITY_EFFECTIVE_CONNECTION_TYPE_OBSERVER_H_ | |
6 #define NET_NQE_NETWORK_QUALITY_EFFECTIVE_CONNECTION_TYPE_OBSERVER_H_ | |
7 | |
8 #include "base/compiler_specific.h" | |
9 #include "base/gtest_prod_util.h" | |
10 #include "base/macros.h" | |
11 #include "net/nqe/effective_connection_type.h" | |
12 | |
13 namespace net { | |
14 | |
15 // Observes changes in effective connection type. | |
16 class NET_EXPORT EffectiveConnectionTypeObserver { | |
mmenke
2017/06/06 15:56:58
include net/base/net_export.h
tbansal1
2017/06/06 16:55:51
Done.
| |
17 public: | |
18 // Notifies the observer of a change in the effective connection type. | |
19 // NetworkQualityEstimator computes the effective connection type once in | |
20 // every interval of duration | |
21 // |effective_connection_type_recomputation_interval_|. Additionally, when | |
22 // there is a change in the connection type of the device, then the | |
23 // effective connection type is immediately recomputed. | |
24 // | |
25 // If the computed effective connection type is different from the | |
26 // previously notified effective connection type, then all the registered | |
27 // observers are notified of the new effective connection type. | |
28 virtual void OnEffectiveConnectionTypeChanged( | |
29 EffectiveConnectionType type) = 0; | |
30 | |
31 protected: | |
32 EffectiveConnectionTypeObserver() {} | |
33 virtual ~EffectiveConnectionTypeObserver() {} | |
34 | |
35 private: | |
36 DISALLOW_COPY_AND_ASSIGN(EffectiveConnectionTypeObserver); | |
37 }; | |
38 | |
39 } // namespace net | |
40 | |
41 #endif // NET_NQE_NETWORK_QUALITY_EFFECTIVE_CONNECTION_TYPE_OBSERVER_H_ | |
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