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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 //////////////////////////////////////////////////////////////////////////////// | 5 //////////////////////////////////////////////////////////////////////////////// |
6 // Threading considerations: | 6 // Threading considerations: |
7 // | 7 // |
8 // This class is designed to meet various threading guarantees starting from the | 8 // This class is designed to meet various threading guarantees starting from the |
9 // ones imposed by NetworkChangeNotifier: | 9 // ones imposed by NetworkChangeNotifier: |
10 // - The notifier can be constructed on any thread. | 10 // - The notifier can be constructed on any thread. |
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60 #include "net/android/network_change_notifier_android.h" | 60 #include "net/android/network_change_notifier_android.h" |
61 | 61 |
62 namespace net { | 62 namespace net { |
63 | 63 |
64 NetworkChangeNotifierAndroid::~NetworkChangeNotifierAndroid() { | 64 NetworkChangeNotifierAndroid::~NetworkChangeNotifierAndroid() { |
65 delegate_->RemoveObserver(this); | 65 delegate_->RemoveObserver(this); |
66 } | 66 } |
67 | 67 |
68 NetworkChangeNotifier::ConnectionType | 68 NetworkChangeNotifier::ConnectionType |
69 NetworkChangeNotifierAndroid::GetCurrentConnectionType() const { | 69 NetworkChangeNotifierAndroid::GetCurrentConnectionType() const { |
70 base::AutoLock auto_lock(connection_type_lock_); | 70 return delegate_->GetCurrentConnectionType(); |
71 return connection_type_; | |
72 } | 71 } |
73 | 72 |
74 void NetworkChangeNotifierAndroid::OnConnectionTypeChanged( | 73 void NetworkChangeNotifierAndroid::OnConnectionTypeChanged() { |
75 ConnectionType new_connection_type) { | |
76 SetConnectionType(new_connection_type); | |
77 NetworkChangeNotifier::NotifyObserversOfIPAddressChange(); | 74 NetworkChangeNotifier::NotifyObserversOfIPAddressChange(); |
78 NetworkChangeNotifier::NotifyObserversOfConnectionTypeChange(); | 75 NetworkChangeNotifier::NotifyObserversOfConnectionTypeChange(); |
79 } | 76 } |
80 | 77 |
81 // static | 78 // static |
82 bool NetworkChangeNotifierAndroid::Register(JNIEnv* env) { | 79 bool NetworkChangeNotifierAndroid::Register(JNIEnv* env) { |
83 return NetworkChangeNotifierDelegateAndroid::Register(env); | 80 return NetworkChangeNotifierDelegateAndroid::Register(env); |
84 } | 81 } |
85 | 82 |
86 NetworkChangeNotifierAndroid::NetworkChangeNotifierAndroid( | 83 NetworkChangeNotifierAndroid::NetworkChangeNotifierAndroid( |
87 NetworkChangeNotifierDelegateAndroid* delegate) | 84 NetworkChangeNotifierDelegateAndroid* delegate) |
88 : NetworkChangeNotifier(NetworkChangeCalculatorParamsAndroid()), | 85 : NetworkChangeNotifier(NetworkChangeCalculatorParamsAndroid()), |
89 delegate_(delegate) { | 86 delegate_(delegate) { |
90 SetConnectionType(NetworkChangeNotifier::CONNECTION_UNKNOWN); | |
91 delegate_->AddObserver(this); | 87 delegate_->AddObserver(this); |
92 } | 88 } |
93 | 89 |
94 // static | 90 // static |
95 NetworkChangeNotifier::NetworkChangeCalculatorParams | 91 NetworkChangeNotifier::NetworkChangeCalculatorParams |
96 NetworkChangeNotifierAndroid::NetworkChangeCalculatorParamsAndroid() { | 92 NetworkChangeNotifierAndroid::NetworkChangeCalculatorParamsAndroid() { |
97 NetworkChangeCalculatorParams params; | 93 NetworkChangeCalculatorParams params; |
98 // IPAddressChanged is produced immediately prior to ConnectionTypeChanged | 94 // IPAddressChanged is produced immediately prior to ConnectionTypeChanged |
99 // so delay IPAddressChanged so they get merged with the following | 95 // so delay IPAddressChanged so they get merged with the following |
100 // ConnectionTypeChanged signal. | 96 // ConnectionTypeChanged signal. |
101 params.ip_address_offline_delay_ = base::TimeDelta::FromSeconds(1); | 97 params.ip_address_offline_delay_ = base::TimeDelta::FromSeconds(1); |
102 params.ip_address_online_delay_ = base::TimeDelta::FromSeconds(1); | 98 params.ip_address_online_delay_ = base::TimeDelta::FromSeconds(1); |
103 params.connection_type_offline_delay_ = base::TimeDelta::FromSeconds(0); | 99 params.connection_type_offline_delay_ = base::TimeDelta::FromSeconds(0); |
104 params.connection_type_online_delay_ = base::TimeDelta::FromSeconds(0); | 100 params.connection_type_online_delay_ = base::TimeDelta::FromSeconds(0); |
105 return params; | 101 return params; |
106 } | 102 } |
107 | 103 |
108 void NetworkChangeNotifierAndroid::SetConnectionType( | |
109 ConnectionType new_connection_type) { | |
110 base::AutoLock auto_lock(connection_type_lock_); | |
111 connection_type_ = new_connection_type; | |
112 } | |
113 | |
114 } // namespace net | 104 } // namespace net |
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