| OLD | NEW |
| (Empty) |
| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef NET_PROXY_POLLING_PROXY_CONFIG_SERVICE_H_ | |
| 6 #define NET_PROXY_POLLING_PROXY_CONFIG_SERVICE_H_ | |
| 7 | |
| 8 #include "base/compiler_specific.h" | |
| 9 #include "base/memory/ref_counted.h" | |
| 10 #include "base/time/time.h" | |
| 11 #include "net/proxy/proxy_config_service.h" | |
| 12 | |
| 13 namespace net { | |
| 14 | |
| 15 // PollingProxyConfigService is a base class for creating ProxyConfigService | |
| 16 // implementations that use polling to notice when settings have change. | |
| 17 // | |
| 18 // It runs code to get the current proxy settings on a background worker | |
| 19 // thread, and notifies registered observers when the value changes. | |
| 20 class NET_EXPORT_PRIVATE PollingProxyConfigService : public ProxyConfigService { | |
| 21 public: | |
| 22 // ProxyConfigService implementation: | |
| 23 void AddObserver(Observer* observer) override; | |
| 24 void RemoveObserver(Observer* observer) override; | |
| 25 ConfigAvailability GetLatestProxyConfig(ProxyConfig* config) override; | |
| 26 void OnLazyPoll() override; | |
| 27 | |
| 28 protected: | |
| 29 // Function for retrieving the current proxy configuration. | |
| 30 // Implementors must be threadsafe as the function will be invoked from | |
| 31 // worker threads. | |
| 32 typedef void (*GetConfigFunction)(ProxyConfig*); | |
| 33 | |
| 34 // Creates a polling-based ProxyConfigService which will test for new | |
| 35 // settings at most every |poll_interval| time by calling |get_config_func| | |
| 36 // on a worker thread. | |
| 37 PollingProxyConfigService( | |
| 38 base::TimeDelta poll_interval, | |
| 39 GetConfigFunction get_config_func); | |
| 40 | |
| 41 ~PollingProxyConfigService() override; | |
| 42 | |
| 43 // Polls for changes by posting a task to the worker pool. | |
| 44 void CheckForChangesNow(); | |
| 45 | |
| 46 private: | |
| 47 class Core; | |
| 48 scoped_refptr<Core> core_; | |
| 49 | |
| 50 DISALLOW_COPY_AND_ASSIGN(PollingProxyConfigService); | |
| 51 }; | |
| 52 | |
| 53 } // namespace net | |
| 54 | |
| 55 #endif // NET_PROXY_POLLING_PROXY_CONFIG_SERVICE_H_ | |
| OLD | NEW |