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
  15 namespace base {
  16 template <typename T> struct DefaultSingletonTraits;
  17 }
  18
  19 // Singleton that owns all ProtocolHandlerRegistrys and associates them with
  20 // Profiles. Listens for the Profile's destruction notification and cleans up
  21 // the associated ProtocolHandlerRegistry.
  22 class ProtocolHandlerRegistryFactory
  23     : public BrowserContextKeyedServiceFactory {
  24  public:
  25   // Returns the singleton instance of the ProtocolHandlerRegistryFactory.
  26   static ProtocolHandlerRegistryFactory* GetInstance();
  27
  28   // Returns the ProtocolHandlerRegistry that provides intent registration for
  29   // |context|. Ownership stays with this factory object.
  30   static ProtocolHandlerRegistry* GetForBrowserContext(
  31       content::BrowserContext* context);
  32
  33  protected:
  34   // BrowserContextKeyedServiceFactory implementation.
  35   bool ServiceIsCreatedWithBrowserContext() const override;
  36   content::BrowserContext* GetBrowserContextToUse(
  37       content::BrowserContext* context) const override;
  38   bool ServiceIsNULLWhileTesting() const override;
  39
  40  private:
  41   friend struct base::DefaultSingletonTraits<ProtocolHandlerRegistryFactory>;
  42
  43   ProtocolHandlerRegistryFactory();
  44   ~ProtocolHandlerRegistryFactory() override;
  45
  46   // BrowserContextKeyedServiceFactory implementation.
  47   KeyedService* BuildServiceInstanceFor(
  48       content::BrowserContext* profile) const override;
  49
  50   DISALLOW_COPY_AND_ASSIGN(ProtocolHandlerRegistryFactory);
  51 };
  52
  53 #endif  // CHROME_BROWSER_CUSTOM_HANDLERS_PROTOCOL_HANDLER_REGISTRY_FACTORY_H_