chrome/browser/custom_handlers/protocol_handler_registry_factory.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 #ifndef CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_
   6 #define CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  11
  12 class Profile;
  13 class ProtocolHandlerRegistry;
  14 template <typename T> struct DefaultSingletonTraits;
  15
  16 // Singleton that owns all ProtocolHandlerRegistrys and associates them with
  17 // Profiles. Listens for the Profile's destruction notification and cleans up
  18 // the associated ProtocolHandlerRegistry.
  19 class ProtocolHandlerRegistryFactory
  20     : public BrowserContextKeyedServiceFactory {
  21  public:
  22   // Returns the singleton instance of the ProtocolHandlerRegistryFactory.
  23   static ProtocolHandlerRegistryFactory* GetInstance();
  24
  25   // Returns the ProtocolHandlerRegistry that provides intent registration for
  26   // |profile|. Ownership stays with this factory object.
  27   static ProtocolHandlerRegistry* GetForProfile(Profile* profile);
  28
  29  protected:
  30   // BrowserContextKeyedServiceFactory implementation.
  31   virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
  32   virtual content::BrowserContext* GetBrowserContextToUse(
  33       content::BrowserContext* context) const OVERRIDE;
  34   virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
  35
  36  private:
  37   friend struct DefaultSingletonTraits<ProtocolHandlerRegistryFactory>;
  38
  39   ProtocolHandlerRegistryFactory();
  40   virtual ~ProtocolHandlerRegistryFactory();
  41
  42   // BrowserContextKeyedServiceFactory implementation.
  43   virtual KeyedService* BuildServiceInstanceFor(
  44       content::BrowserContext* profile) const OVERRIDE;
  45
  46   DISALLOW_COPY_AND_ASSIGN(ProtocolHandlerRegistryFactory);
  47 };
  48
  49 #endif  // CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_