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Side by Side Diff: net/base/network_time_notifier.h

Issue 266243004: Clang format slam. Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 7 months ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2013 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 NET_BASE_NETWORK_TIME_NOTIFIER_H_ 5 #ifndef NET_BASE_NETWORK_TIME_NOTIFIER_H_
6 #define NET_BASE_NETWORK_TIME_NOTIFIER_H_ 6 #define NET_BASE_NETWORK_TIME_NOTIFIER_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/callback.h" 10 #include "base/callback.h"
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23 // consumers can register as observers. This class is not thread-safe. 23 // consumers can register as observers. This class is not thread-safe.
24 class NET_EXPORT NetworkTimeNotifier { 24 class NET_EXPORT NetworkTimeNotifier {
25 public: 25 public:
26 // Callback for observers to receive network time updates. 26 // Callback for observers to receive network time updates.
27 // The parameters are: 27 // The parameters are:
28 // const base::Time& network_time - the new network time. 28 // const base::Time& network_time - the new network time.
29 // const base::TimeTicks& network_time_ticks - the ticks time that corresponds 29 // const base::TimeTicks& network_time_ticks - the ticks time that corresponds
30 // with |network_time|. 30 // with |network_time|.
31 // const base::TimeDelta& network_time_uncertainty - the uncertainty 31 // const base::TimeDelta& network_time_uncertainty - the uncertainty
32 // associated with the new network time. 32 // associated with the new network time.
33 typedef base::Callback<void(const base::Time&, 33 typedef base::Callback<
34 const base::TimeTicks&, 34 void(const base::Time&, const base::TimeTicks&, const base::TimeDelta&)>
35 const base::TimeDelta&)> ObserverCallback; 35 ObserverCallback;
36 36
37 // Takes ownership of |tick_clock|. 37 // Takes ownership of |tick_clock|.
38 explicit NetworkTimeNotifier(scoped_ptr<base::TickClock> tick_clock); 38 explicit NetworkTimeNotifier(scoped_ptr<base::TickClock> tick_clock);
39 ~NetworkTimeNotifier(); 39 ~NetworkTimeNotifier();
40 40
41 // Calculates corresponding time ticks according to the given parameters and 41 // Calculates corresponding time ticks according to the given parameters and
42 // notifies observers. The provided |network_time| is precise at the given 42 // notifies observers. The provided |network_time| is precise at the given
43 // |resolution| and represent the time between now and up to |latency| + 43 // |resolution| and represent the time between now and up to |latency| +
44 // (now - |post_time|) ago. 44 // (now - |post_time|) ago.
45 void UpdateNetworkTime(const base::Time& network_time, 45 void UpdateNetworkTime(const base::Time& network_time,
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75 // A vector of callbacks is used, rather than an ObserverList, so that the 75 // A vector of callbacks is used, rather than an ObserverList, so that the
76 // lifetime of the observer can be bound to the callback. 76 // lifetime of the observer can be bound to the callback.
77 std::vector<ObserverCallback> observers_; 77 std::vector<ObserverCallback> observers_;
78 78
79 DISALLOW_COPY_AND_ASSIGN(NetworkTimeNotifier); 79 DISALLOW_COPY_AND_ASSIGN(NetworkTimeNotifier);
80 }; 80 };
81 81
82 } // namespace net 82 } // namespace net
83 83
84 #endif // NET_BASE_NETWORK_TIME_NOTIFIER_H_ 84 #endif // NET_BASE_NETWORK_TIME_NOTIFIER_H_
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