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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 NetworkInformation_h | 5 #ifndef NetworkInformation_h |
6 #define NetworkInformation_h | 6 #define NetworkInformation_h |
7 | 7 |
8 #include "core/dom/ContextLifecycleObserver.h" | 8 #include "core/dom/ContextLifecycleObserver.h" |
9 #include "core/events/EventTarget.h" | 9 #include "core/events/EventTarget.h" |
10 #include "platform/bindings/ActiveScriptWrappable.h" | 10 #include "platform/bindings/ActiveScriptWrappable.h" |
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22 public NetworkStateNotifier::NetworkStateObserver { | 22 public NetworkStateNotifier::NetworkStateObserver { |
23 USING_GARBAGE_COLLECTED_MIXIN(NetworkInformation); | 23 USING_GARBAGE_COLLECTED_MIXIN(NetworkInformation); |
24 DEFINE_WRAPPERTYPEINFO(); | 24 DEFINE_WRAPPERTYPEINFO(); |
25 | 25 |
26 public: | 26 public: |
27 static NetworkInformation* Create(ExecutionContext*); | 27 static NetworkInformation* Create(ExecutionContext*); |
28 ~NetworkInformation() override; | 28 ~NetworkInformation() override; |
29 | 29 |
30 String type() const; | 30 String type() const; |
31 double downlinkMax() const; | 31 double downlinkMax() const; |
| 32 long rtt() const; |
| 33 double downlink() const; |
32 | 34 |
33 // NetworkStateObserver overrides. | 35 // NetworkStateObserver overrides. |
34 void ConnectionChange(WebConnectionType, double downlink_max_mbps) override; | 36 void ConnectionChange(WebConnectionType, |
| 37 double downlink_max_mbps, |
| 38 int http_rtt_msec, |
| 39 int transport_rtt_msec, |
| 40 double downlink_mbps) override; |
35 | 41 |
36 // EventTarget overrides. | 42 // EventTarget overrides. |
37 const AtomicString& InterfaceName() const override; | 43 const AtomicString& InterfaceName() const override; |
38 ExecutionContext* GetExecutionContext() const override; | 44 ExecutionContext* GetExecutionContext() const override; |
39 void RemoveAllEventListeners() override; | 45 void RemoveAllEventListeners() override; |
40 | 46 |
41 // ScriptWrappable | 47 // ScriptWrappable |
42 bool HasPendingActivity() const final; | 48 bool HasPendingActivity() const final; |
43 | 49 |
44 // ContextLifecycleObserver overrides. | 50 // ContextLifecycleObserver overrides. |
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60 explicit NetworkInformation(ExecutionContext*); | 66 explicit NetworkInformation(ExecutionContext*); |
61 void StartObserving(); | 67 void StartObserving(); |
62 void StopObserving(); | 68 void StopObserving(); |
63 | 69 |
64 // Touched only on context thread. | 70 // Touched only on context thread. |
65 WebConnectionType type_; | 71 WebConnectionType type_; |
66 | 72 |
67 // Touched only on context thread. | 73 // Touched only on context thread. |
68 double downlink_max_mbps_; | 74 double downlink_max_mbps_; |
69 | 75 |
| 76 // Transport RTT estimate. Rounded off to the nearest 25 msec. Touched only on |
| 77 // context thread. |
| 78 int transport_rtt_msec_; |
| 79 |
| 80 // Downlink throughput estimate. Rounded off to the nearest 25 kbps. Touched |
| 81 // only on context thread. |
| 82 double downlink_mbps_; |
| 83 |
70 // Whether this object is listening for events from NetworkStateNotifier. | 84 // Whether this object is listening for events from NetworkStateNotifier. |
71 bool observing_; | 85 bool observing_; |
72 | 86 |
73 // Whether ContextLifecycleObserver::contextDestroyed has been called. | 87 // Whether ContextLifecycleObserver::contextDestroyed has been called. |
74 bool context_stopped_; | 88 bool context_stopped_; |
75 }; | 89 }; |
76 | 90 |
77 } // namespace blink | 91 } // namespace blink |
78 | 92 |
79 #endif // NetworkInformation_h | 93 #endif // NetworkInformation_h |
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