Home | History | Annotate | Download | only in proxy 
      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 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