chrome/browser/favicon/chrome_fallback_icon_client_factory.h

   1 // Copyright 2015 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_FAVICON_CHROME_FALLBACK_ICON_CLIENT_FACTORY_H_
   6 #define CHROME_BROWSER_FAVICON_CHROME_FALLBACK_ICON_CLIENT_FACTORY_H_
   7
   8 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
   9
  10 template <typename T> struct DefaultSingletonTraits;
  11
  12 namespace content {
  13 class BrowserContext;
  14 }
  15
  16 namespace favicon {
  17 class FallbackIconClient;
  18 }
  19
  20 // Singleton that owns all ChromeFallbackIconClients and associates them with
  21 // Profiles.
  22 class ChromeFallbackIconClientFactory
  23     : public BrowserContextKeyedServiceFactory {
  24  public:
  25   // Returns the instance of FallbackIconClient associated with this profile
  26   // (creating one if none exists).
  27   static favicon::FallbackIconClient* GetForBrowserContext(
  28       content::BrowserContext* context);
  29
  30   // Returns an instance of the factory singleton.
  31   static ChromeFallbackIconClientFactory* GetInstance();
  32
  33  private:
  34   friend struct DefaultSingletonTraits<ChromeFallbackIconClientFactory>;
  35
  36   ChromeFallbackIconClientFactory();
  37   ~ChromeFallbackIconClientFactory() override;
  38
  39   // BrowserContextKeyedServiceFactory:
  40   KeyedService* BuildServiceInstanceFor(
  41       content::BrowserContext* context) const override;
  42 };
  43
  44 #endif  // CHROME_BROWSER_FAVICON_CHROME_FALLBACK_ICON_CLIENT_FACTORY_H_