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 namespace base {
  11 template <typename T> struct DefaultSingletonTraits;
  12 }
  13
  14 namespace content {
  15 class BrowserContext;
  16 }
  17
  18 namespace favicon {
  19 class FallbackIconClient;
  20 }
  21
  22 // Singleton that owns all ChromeFallbackIconClients and associates them with
  23 // Profiles.
  24 class ChromeFallbackIconClientFactory
  25     : public BrowserContextKeyedServiceFactory {
  26  public:
  27   // Returns the instance of FallbackIconClient associated with this profile
  28   // (creating one if none exists).
  29   static favicon::FallbackIconClient* GetForBrowserContext(
  30       content::BrowserContext* context);
  31
  32   // Returns an instance of the factory singleton.
  33   static ChromeFallbackIconClientFactory* GetInstance();
  34
  35  private:
  36   friend struct base::DefaultSingletonTraits<ChromeFallbackIconClientFactory>;
  37
  38   ChromeFallbackIconClientFactory();
  39   ~ChromeFallbackIconClientFactory() override;
  40
  41   // BrowserContextKeyedServiceFactory:
  42   KeyedService* BuildServiceInstanceFor(
  43       content::BrowserContext* context) const override;
  44 };
  45
  46 #endif  // CHROME_BROWSER_FAVICON_CHROME_FALLBACK_ICON_CLIENT_FACTORY_H_