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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 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_PROXY_PROXY_CONFIG_SERVICE_WIN_H_ | 5 #ifndef NET_PROXY_PROXY_CONFIG_SERVICE_WIN_H_ |
| 6 #define NET_PROXY_PROXY_CONFIG_SERVICE_WIN_H_ | 6 #define NET_PROXY_PROXY_CONFIG_SERVICE_WIN_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <windows.h> | 9 #include <windows.h> |
| 10 #include <winhttp.h> | 10 #include <winhttp.h> |
| 11 | 11 |
| 12 #include <vector> | 12 #include <vector> |
| 13 | 13 |
| 14 #include "base/gtest_prod_util.h" | 14 #include "base/gtest_prod_util.h" |
| 15 #include "base/object_watcher.h" | 15 #include "base/win/object_watcher.h" |
| 16 #include "net/proxy/polling_proxy_config_service.h" | 16 #include "net/proxy/polling_proxy_config_service.h" |
| 17 | 17 |
| 18 namespace net { | 18 namespace net { |
| 19 | 19 |
| 20 // Implementation of ProxyConfigService that retrieves the system proxy | 20 // Implementation of ProxyConfigService that retrieves the system proxy |
| 21 // settings. | 21 // settings. |
| 22 // | 22 // |
| 23 // It works by calling WinHttpGetIEProxyConfigForCurrentUser() to fetch the | 23 // It works by calling WinHttpGetIEProxyConfigForCurrentUser() to fetch the |
| 24 // Internet Explorer proxy settings. | 24 // Internet Explorer proxy settings. |
| 25 // | 25 // |
| 26 // We use two different strategies to notice when the configuration has | 26 // We use two different strategies to notice when the configuration has |
| 27 // changed: | 27 // changed: |
| 28 // | 28 // |
| 29 // (1) Watch the internet explorer settings registry keys for changes. When | 29 // (1) Watch the internet explorer settings registry keys for changes. When |
| 30 // one of the registry keys pertaining to proxy settings has changed, we | 30 // one of the registry keys pertaining to proxy settings has changed, we |
| 31 // call WinHttpGetIEProxyConfigForCurrentUser() again to read the | 31 // call WinHttpGetIEProxyConfigForCurrentUser() again to read the |
| 32 // configuration's new value. | 32 // configuration's new value. |
| 33 // | 33 // |
| 34 // (2) Do regular polling every 10 seconds during network activity to see if | 34 // (2) Do regular polling every 10 seconds during network activity to see if |
| 35 // WinHttpGetIEProxyConfigForCurrentUser() returns something different. | 35 // WinHttpGetIEProxyConfigForCurrentUser() returns something different. |
| 36 // | 36 // |
| 37 // Ideally strategy (1) should be sufficient to pick up all of the changes. | 37 // Ideally strategy (1) should be sufficient to pick up all of the changes. |
| 38 // However we still do the regular polling as a precaution in case the | 38 // However we still do the regular polling as a precaution in case the |
| 39 // implementation details of WinHttpGetIEProxyConfigForCurrentUser() ever | 39 // implementation details of WinHttpGetIEProxyConfigForCurrentUser() ever |
| 40 // change, or in case we got it wrong (and are not checking all possible | 40 // change, or in case we got it wrong (and are not checking all possible |
| 41 // registry dependencies). | 41 // registry dependencies). |
| 42 class ProxyConfigServiceWin : public PollingProxyConfigService, | 42 class ProxyConfigServiceWin : public PollingProxyConfigService, |
| 43 public base::ObjectWatcher::Delegate { | 43 public base::win::ObjectWatcher::Delegate { |
| 44 public: | 44 public: |
| 45 ProxyConfigServiceWin(); | 45 ProxyConfigServiceWin(); |
| 46 virtual ~ProxyConfigServiceWin(); | 46 virtual ~ProxyConfigServiceWin(); |
| 47 | 47 |
| 48 // Overrides a function from PollingProxyConfigService. | 48 // Overrides a function from PollingProxyConfigService. |
| 49 virtual void AddObserver(Observer* observer); | 49 virtual void AddObserver(Observer* observer); |
| 50 | 50 |
| 51 private: | 51 private: |
| 52 FRIEND_TEST_ALL_PREFIXES(ProxyConfigServiceWinTest, SetFromIEConfig); | 52 FRIEND_TEST_ALL_PREFIXES(ProxyConfigServiceWinTest, SetFromIEConfig); |
| 53 class KeyEntry; | 53 class KeyEntry; |
| (...skipping 16 matching lines...) Expand all Loading... |
| 70 static void SetFromIEConfig( | 70 static void SetFromIEConfig( |
| 71 ProxyConfig* config, | 71 ProxyConfig* config, |
| 72 const WINHTTP_CURRENT_USER_IE_PROXY_CONFIG& ie_config); | 72 const WINHTTP_CURRENT_USER_IE_PROXY_CONFIG& ie_config); |
| 73 | 73 |
| 74 KeyEntryList keys_to_watch_; | 74 KeyEntryList keys_to_watch_; |
| 75 }; | 75 }; |
| 76 | 76 |
| 77 } // namespace net | 77 } // namespace net |
| 78 | 78 |
| 79 #endif // NET_PROXY_PROXY_CONFIG_SERVICE_WIN_H_ | 79 #endif // NET_PROXY_PROXY_CONFIG_SERVICE_WIN_H_ |
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