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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 #include "chrome/browser/intranet_redirect_detector.h" | 5 #include "chrome/browser/intranet_redirect_detector.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 | 8 |
| 9 #include "base/bind.h" | 9 #include "base/bind.h" |
| 10 #include "base/command_line.h" | 10 #include "base/command_line.h" |
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| 41 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( | 41 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| 42 FROM_HERE, base::Bind(&IntranetRedirectDetector::FinishSleep, | 42 FROM_HERE, base::Bind(&IntranetRedirectDetector::FinishSleep, |
| 43 weak_ptr_factory_.GetWeakPtr()), | 43 weak_ptr_factory_.GetWeakPtr()), |
| 44 base::TimeDelta::FromSeconds(kStartFetchDelaySeconds)); | 44 base::TimeDelta::FromSeconds(kStartFetchDelaySeconds)); |
| 45 | 45 |
| 46 net::NetworkChangeNotifier::AddIPAddressObserver(this); | 46 net::NetworkChangeNotifier::AddIPAddressObserver(this); |
| 47 } | 47 } |
| 48 | 48 |
| 49 IntranetRedirectDetector::~IntranetRedirectDetector() { | 49 IntranetRedirectDetector::~IntranetRedirectDetector() { |
| 50 net::NetworkChangeNotifier::RemoveIPAddressObserver(this); | 50 net::NetworkChangeNotifier::RemoveIPAddressObserver(this); |
| 51 STLDeleteElements(&fetchers_); | 51 base::STLDeleteElements(&fetchers_); |
| 52 } | 52 } |
| 53 | 53 |
| 54 // static | 54 // static |
| 55 GURL IntranetRedirectDetector::RedirectOrigin() { | 55 GURL IntranetRedirectDetector::RedirectOrigin() { |
| 56 const IntranetRedirectDetector* const detector = | 56 const IntranetRedirectDetector* const detector = |
| 57 g_browser_process->intranet_redirect_detector(); | 57 g_browser_process->intranet_redirect_detector(); |
| 58 return detector ? detector->redirect_origin_ : GURL(); | 58 return detector ? detector->redirect_origin_ : GURL(); |
| 59 } | 59 } |
| 60 | 60 |
| 61 // static | 61 // static |
| 62 void IntranetRedirectDetector::RegisterPrefs(PrefRegistrySimple* registry) { | 62 void IntranetRedirectDetector::RegisterPrefs(PrefRegistrySimple* registry) { |
| 63 registry->RegisterStringPref(prefs::kLastKnownIntranetRedirectOrigin, | 63 registry->RegisterStringPref(prefs::kLastKnownIntranetRedirectOrigin, |
| 64 std::string()); | 64 std::string()); |
| 65 } | 65 } |
| 66 | 66 |
| 67 void IntranetRedirectDetector::FinishSleep() { | 67 void IntranetRedirectDetector::FinishSleep() { |
| 68 in_sleep_ = false; | 68 in_sleep_ = false; |
| 69 | 69 |
| 70 // If another fetch operation is still running, cancel it. | 70 // If another fetch operation is still running, cancel it. |
| 71 STLDeleteElements(&fetchers_); | 71 base::STLDeleteElements(&fetchers_); |
| 72 resulting_origins_.clear(); | 72 resulting_origins_.clear(); |
| 73 | 73 |
| 74 const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess(); | 74 const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess(); |
| 75 if (cmd_line->HasSwitch(switches::kDisableBackgroundNetworking)) | 75 if (cmd_line->HasSwitch(switches::kDisableBackgroundNetworking)) |
| 76 return; | 76 return; |
| 77 | 77 |
| 78 DCHECK(fetchers_.empty() && resulting_origins_.empty()); | 78 DCHECK(fetchers_.empty() && resulting_origins_.empty()); |
| 79 | 79 |
| 80 // Start three fetchers on random hostnames. | 80 // Start three fetchers on random hostnames. |
| 81 for (size_t i = 0; i < 3; ++i) { | 81 for (size_t i = 0; i < 3; ++i) { |
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| 162 | 162 |
| 163 // Since presumably many programs open connections after network changes, | 163 // Since presumably many programs open connections after network changes, |
| 164 // delay this a little bit. | 164 // delay this a little bit. |
| 165 in_sleep_ = true; | 165 in_sleep_ = true; |
| 166 static const int kNetworkSwitchDelayMS = 1000; | 166 static const int kNetworkSwitchDelayMS = 1000; |
| 167 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( | 167 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( |
| 168 FROM_HERE, base::Bind(&IntranetRedirectDetector::FinishSleep, | 168 FROM_HERE, base::Bind(&IntranetRedirectDetector::FinishSleep, |
| 169 weak_ptr_factory_.GetWeakPtr()), | 169 weak_ptr_factory_.GetWeakPtr()), |
| 170 base::TimeDelta::FromMilliseconds(kNetworkSwitchDelayMS)); | 170 base::TimeDelta::FromMilliseconds(kNetworkSwitchDelayMS)); |
| 171 } | 171 } |
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