1 // Copyright 2014 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 EXTENSIONS_BROWSER_IMAGE_LOADER_FACTORY_H_ 6 #define EXTENSIONS_BROWSER_IMAGE_LOADER_FACTORY_H_ 7 8 #include "base/memory/singleton.h" 9 #include "components/keyed_service/content/browser_context_keyed_service_factory.h" 10 11 namespace content { 12 class BrowserContext; 13 } 14 15 namespace extensions { 16 17 class ImageLoader; 18 19 // Singleton that owns all ImageLoaders and associates them with 20 // BrowserContexts. Listens for the BrowserContext's destruction notification 21 // and cleans up the associated ImageLoader. Uses the original BrowserContext 22 // for incognito contexts. 23 class ImageLoaderFactory : public BrowserContextKeyedServiceFactory { 24 public: 25 static ImageLoader* GetForBrowserContext(content::BrowserContext* context); 26 27 static ImageLoaderFactory* GetInstance(); 28 29 private: 30 friend struct DefaultSingletonTraits<ImageLoaderFactory>; 31 32 ImageLoaderFactory(); 33 virtual ~ImageLoaderFactory(); 34 35 // BrowserContextKeyedServiceFactory: 36 virtual KeyedService* BuildServiceInstanceFor( 37 content::BrowserContext* context) const OVERRIDE; 38 virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE; 39 virtual content::BrowserContext* GetBrowserContextToUse( 40 content::BrowserContext* context) const OVERRIDE; 41 }; 42 43 } // namespace extensions 44 45 #endif // EXTENSIONS_BROWSER_IMAGE_LOADER_FACTORY_H_ 46