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   // |context|. Ownership stays with this factory object.
  27   static ProtocolHandlerRegistry* GetForBrowserContext(
  28       content::BrowserContext* context);
  29
  30  protected:
  31   // BrowserContextKeyedServiceFactory implementation.
  32   virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
  33   virtual content::BrowserContext* GetBrowserContextToUse(
  34       content::BrowserContext* context) const OVERRIDE;
  35   virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
  36
  37  private:
  38   friend struct DefaultSingletonTraits<ProtocolHandlerRegistryFactory>;
  39
  40   ProtocolHandlerRegistryFactory();
  41   virtual ~ProtocolHandlerRegistryFactory();
  42
  43   // BrowserContextKeyedServiceFactory implementation.
  44   virtual KeyedService* BuildServiceInstanceFor(
  45       content::BrowserContext* profile) const OVERRIDE;
  46
  47   DISALLOW_COPY_AND_ASSIGN(ProtocolHandlerRegistryFactory);
  48 };
  49
  50 #endif  // CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_