chrome/browser/android/logo_service.h

   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 CHROME_BROWSER_ANDROID_LOGO_SERVICE_H_
   6 #define CHROME_BROWSER_ANDROID_LOGO_SERVICE_H_
   7
   8 #include "base/memory/singleton.h"
   9 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  10 #include "components/keyed_service/core/keyed_service.h"
  11 #include "components/search_provider_logos/logo_tracker.h"
  12 #include "third_party/skia/include/core/SkBitmap.h"
  13
  14 class Profile;
  15
  16 // Provides the logo for a profile's default search provider.
  17 //
  18 // Example usage:
  19 //   LogoService* logo_service = LogoServiceFactory::GetForProfile(profile);
  20 //   logo_service->GetLogo(...);
  21 //
  22 class LogoService : public KeyedService {
  23  public:
  24   explicit LogoService(Profile* profile);
  25   virtual ~LogoService();
  26
  27   // Gets the logo for the default search provider and notifies |observer|
  28   // with the results.
  29   void GetLogo(search_provider_logos::LogoObserver* observer);
  30
  31  private:
  32   Profile* profile_;
  33   scoped_ptr<search_provider_logos::LogoTracker> logo_tracker_;
  34
  35   DISALLOW_COPY_AND_ASSIGN(LogoService);
  36 };
  37
  38 // Singleton that owns all LogoServices and associates them with Profiles.
  39 class LogoServiceFactory : public BrowserContextKeyedServiceFactory {
  40  public:
  41   static LogoService* GetForProfile(Profile* profile);
  42
  43   static LogoServiceFactory* GetInstance();
  44
  45  private:
  46   friend struct DefaultSingletonTraits<LogoServiceFactory>;
  47
  48   LogoServiceFactory();
  49   virtual ~LogoServiceFactory();
  50
  51   // BrowserContextKeyedServiceFactory:
  52   virtual KeyedService* BuildServiceInstanceFor(
  53       content::BrowserContext* context) const override;
  54 };
  55
  56 #endif  // CHROME_BROWSER_ANDROID_LOGO_SERVICE_H_