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
3 // found in the LICENSE file.
5 #ifndef COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_CONFIG_SERVICE_H_
6 #define COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_CONFIG_SERVICE_H_
10 #include "base/basictypes.h"
11 #include "base/gtest_prod_util.h"
12 #include "base/memory/ref_counted.h"
13 #include "base/memory/scoped_ptr.h"
14 #include "base/observer_list.h"
15 #include "base/task_runner.h"
16 #include "components/data_reduction_proxy/browser/data_reduction_proxy_configurator.h"
17 #include "net/proxy/proxy_config.h"
18 #include "net/proxy/proxy_config_service.h"
26 namespace data_reduction_proxy {
28 // A net::ProxyConfigService implementation that applies data reduction proxy
29 // settings as overrides to the proxy configuration determined by a
30 // baseline delegate ProxyConfigService.
31 class DataReductionProxyConfigService
32 : public net::ProxyConfigService,
33 public net::ProxyConfigService::Observer {
35 // Takes ownership of the passed |base_service|.
36 DataReductionProxyConfigService(
37 scoped_ptr<net::ProxyConfigService> base_service);
38 virtual ~DataReductionProxyConfigService();
40 // ProxyConfigService implementation:
41 virtual void AddObserver(
42 net::ProxyConfigService::Observer* observer) OVERRIDE;
43 virtual void RemoveObserver(
44 net::ProxyConfigService::Observer* observer) OVERRIDE;
45 virtual ConfigAvailability GetLatestProxyConfig(
46 net::ProxyConfig* config) OVERRIDE;
47 virtual void OnLazyPoll() OVERRIDE;
49 // Method on IO thread that receives the data reduction proxy settings pushed
50 // from DataReductionProxyConfiguratorImpl.
51 void UpdateProxyConfig(bool enabled,
52 const net::ProxyConfig& config);
55 friend class DataReductionProxyConfigServiceTest;
57 // ProxyConfigService::Observer implementation:
58 virtual void OnProxyConfigChanged(const net::ProxyConfig& config,
59 ConfigAvailability availability) OVERRIDE;
61 // Makes sure that the observer registration with the base service is set up.
62 void RegisterObserver();
64 scoped_ptr<net::ProxyConfigService> base_service_;
65 ObserverList<net::ProxyConfigService::Observer, true> observers_;
67 // Configuration as defined by the data reduction proxy.
68 net::ProxyConfig config_;
70 // Flag that indicates that a PrefProxyConfigTracker needs to inform us
71 // about a proxy configuration before we may return any configuration.
72 bool config_read_pending_;
74 // Indicates whether the base service registration is done.
75 bool registered_observer_;
77 // The data reduction proxy is enabled.
80 // Use of the data reduction proxy is restricted to HTTP proxying only.
83 DISALLOW_COPY_AND_ASSIGN(DataReductionProxyConfigService);
86 // A data_reduction_proxy::DataReductionProxyConfigurator implementation that
87 // tracks changes to the data reduction proxy configuration and notifies an
88 // associated DataReductionProxyConfigService. Configuration changes include
89 // adding URL and host patterns to bypass and enabling and disabling use of the
91 class DataReductionProxyConfigTracker : public DataReductionProxyConfigurator {
93 DataReductionProxyConfigTracker(
94 DataReductionProxyConfigService* config_service,
95 base::TaskRunner* task_runner);
96 virtual ~DataReductionProxyConfigTracker();
98 virtual void Enable(bool primary_restricted,
99 bool fallback_restricted,
100 const std::string& primary_origin,
101 const std::string& fallback_origin) OVERRIDE;
102 virtual void Disable() OVERRIDE;
103 virtual void AddHostPatternToBypass(const std::string& pattern) OVERRIDE;
104 virtual void AddURLPatternToBypass(const std::string& pattern) OVERRIDE;
107 FRIEND_TEST_ALL_PREFIXES(DataReductionProxyConfigServiceTest,
109 FRIEND_TEST_ALL_PREFIXES(DataReductionProxyConfigServiceTest,
111 FRIEND_TEST_ALL_PREFIXES(DataReductionProxyConfigServiceTest,
114 void UpdateProxyConfigOnIOThread(bool enabled,
115 const net::ProxyConfig& config);
117 DataReductionProxyConfigService* config_service_;
118 std::vector<std::string> bypass_rules_;
119 scoped_refptr<base::TaskRunner> task_runner_;
121 DISALLOW_COPY_AND_ASSIGN(DataReductionProxyConfigTracker);
124 } // namespace data_reduction_proxy
126 #endif // COMPONENTS_DATA_REDUCTION_PROXY_BROWSER_DATA_REDUCTION_PROXY_CONFIG_SERVICE_H_