chrome/browser/extensions/signin/gaia_auth_extension_loader.h

   1 // Copyright 2013 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 CHROME_BROWSER_EXTENSIONS_SIGNIN_GAIA_AUTH_EXTENSION_LOADER_H_
   6 #define CHROME_BROWSER_EXTENSIONS_SIGNIN_GAIA_AUTH_EXTENSION_LOADER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
  10
  11 class Profile;
  12
  13 namespace extensions {
  14
  15 // Manages and registers the gaia auth extension with the extension system.
  16 class GaiaAuthExtensionLoader : public ProfileKeyedAPI {
  17  public:
  18   explicit GaiaAuthExtensionLoader(Profile* profile);
  19   virtual ~GaiaAuthExtensionLoader();
  20
  21   // Load the gaia auth extension if the extension is not loaded yet.
  22   void LoadIfNeeded();
  23   // Unload the gaia auth extension if no pending reference.
  24   void UnloadIfNeeded();
  25
  26   static GaiaAuthExtensionLoader* Get(Profile* profile);
  27
  28   // ProfileKeyedAPI implementation.
  29   static ProfileKeyedAPIFactory<GaiaAuthExtensionLoader>* GetFactoryInstance();
  30
  31  private:
  32   friend class ProfileKeyedAPIFactory<GaiaAuthExtensionLoader>;
  33
  34   // BrowserContextKeyedService overrides:
  35   virtual void Shutdown() OVERRIDE;
  36
  37   // ProfileKeyedAPI implementation.
  38   static const char* service_name() {
  39     return "GaiaAuthExtensionLoader";
  40   }
  41   static const bool kServiceRedirectedInIncognito = true;
  42
  43   Profile* profile_;
  44   int load_count_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(GaiaAuthExtensionLoader);
  47 };
  48
  49 } // namespace extensions
  50
  51 #endif  // CHROME_BROWSER_EXTENSIONS_SIGNIN_GAIA_AUTH_EXTENSION_LOADER_H_