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 "extensions/browser/browser_context_keyed_api_factory.h"
  10
  11 namespace content {
  12 class BrowserContext;
  13 }
  14
  15 namespace extensions {
  16
  17 const char kGaiaAuthExtensionId[] = "mfffpogegjflfpflabcdkioaeobkgjik";
  18 const char kGaiaAuthExtensionOrigin[] =
  19       "chrome-extension://mfffpogegjflfpflabcdkioaeobkgjik";
  20
  21 // Manages and registers the gaia auth extension with the extension system.
  22 class GaiaAuthExtensionLoader : public BrowserContextKeyedAPI {
  23  public:
  24   explicit GaiaAuthExtensionLoader(content::BrowserContext* context);
  25   virtual ~GaiaAuthExtensionLoader();
  26
  27   // Load the gaia auth extension if the extension is not loaded yet.
  28   void LoadIfNeeded();
  29   // Unload the gaia auth extension if no pending reference.
  30   void UnloadIfNeeded();
  31
  32   static GaiaAuthExtensionLoader* Get(content::BrowserContext* context);
  33
  34   // BrowserContextKeyedAPI implementation.
  35   static BrowserContextKeyedAPIFactory<GaiaAuthExtensionLoader>*
  36       GetFactoryInstance();
  37
  38  private:
  39   friend class BrowserContextKeyedAPIFactory<GaiaAuthExtensionLoader>;
  40
  41   // KeyedService overrides:
  42   virtual void Shutdown() override;
  43
  44   // BrowserContextKeyedAPI implementation.
  45   static const char* service_name() {
  46     return "GaiaAuthExtensionLoader";
  47   }
  48   static const bool kServiceRedirectedInIncognito = true;
  49
  50   content::BrowserContext* browser_context_;
  51   int load_count_;
  52
  53   DISALLOW_COPY_AND_ASSIGN(GaiaAuthExtensionLoader);
  54 };
  55
  56 } // namespace extensions
  57
  58 #endif  // CHROME_BROWSER_EXTENSIONS_SIGNIN_GAIA_AUTH_EXTENSION_LOADER_H_