chrome/browser/extensions/api/proxy/proxy_api.h

   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_