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 3 // found in the LICENSE file. 4 5 // Defines the Chrome Extensions Proxy Settings API relevant classes to realize 6 // the API as specified in the extension API JSON. 7 8 #ifndef CHROME_BROWSER_EXTENSIONS_API_PROXY_PROXY_API_H_ 9 #define CHROME_BROWSER_EXTENSIONS_API_PROXY_PROXY_API_H_ 10 11 #include <string> 12 13 #include "base/memory/singleton.h" 14 #include "base/strings/string16.h" 15 #include "chrome/browser/extensions/api/preference/preference_api.h" 16 #include "chrome/browser/prefs/proxy_prefs.h" 17 18 namespace base { 19 class Value; 20 } 21 22 namespace extensions { 23 class EventRouterForwarder; 24 25 // Class to convert between the representation of proxy settings used 26 // in the Proxy Settings API and the representation used in the PrefStores. 27 // This plugs into the ExtensionPreferenceAPI to get and set proxy settings. 28 class ProxyPrefTransformer : public PrefTransformerInterface { 29 public: 30 ProxyPrefTransformer(); 31 virtual ~ProxyPrefTransformer(); 32 33 // Implementation of PrefTransformerInterface. 34 virtual base::Value* ExtensionToBrowserPref(const base::Value* extension_pref, 35 std::string* error, 36 bool* bad_message) OVERRIDE; 37 virtual base::Value* BrowserToExtensionPref( 38 const base::Value* browser_pref) OVERRIDE; 39 40 private: 41 DISALLOW_COPY_AND_ASSIGN(ProxyPrefTransformer); 42 }; 43 44 // This class observes proxy error events and routes them to the appropriate 45 // extensions listening to those events. All methods must be called on the IO 46 // thread unless otherwise specified. 47 class ProxyEventRouter { 48 public: 49 static ProxyEventRouter* GetInstance(); 50 51 void OnProxyError(EventRouterForwarder* event_router, 52 void* profile, 53 int error_code); 54 55 void OnPACScriptError(EventRouterForwarder* event_router, 56 void* profile, 57 int line_number, 58 const base::string16& error); 59 60 private: 61 friend struct DefaultSingletonTraits<ProxyEventRouter>; 62 63 ProxyEventRouter(); 64 ~ProxyEventRouter(); 65 66 DISALLOW_COPY_AND_ASSIGN(ProxyEventRouter); 67 }; 68 69 } // namespace extensions 70 71 #endif // CHROME_BROWSER_EXTENSIONS_API_PROXY_PROXY_API_H_ 72