src/chrome/browser/history/chrome_history_client_factory.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_HISTORY_CHROME_HISTORY_CLIENT_FACTORY_H_
   6 #define CHROME_BROWSER_HISTORY_CHROME_HISTORY_CLIENT_FACTORY_H_
   7
   8 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
   9
  10 template <typename T>
  11 struct DefaultSingletonTraits;
  12
  13 class ChromeHistoryClient;
  14 class Profile;
  15
  16 // Singleton that owns all ChromeHistoryClients and associates them with
  17 // Profiles.
  18 class ChromeHistoryClientFactory : public BrowserContextKeyedServiceFactory {
  19  public:
  20   static ChromeHistoryClient* GetForProfile(Profile* profile);
  21
  22   // TODO(sdefresne): remove this once ChromeHistoryClient is no longer an
  23   // HistoryServiceObserver and can follow the regular shutdown even during
  24   // tests.
  25   static ChromeHistoryClient* GetForProfileWithoutCreating(Profile* profile);
  26
  27   static ChromeHistoryClientFactory* GetInstance();
  28
  29  private:
  30   friend struct DefaultSingletonTraits<ChromeHistoryClientFactory>;
  31
  32   ChromeHistoryClientFactory();
  33   ~ChromeHistoryClientFactory() override;
  34
  35   // BrowserContextKeyedServiceFactory:
  36   KeyedService* BuildServiceInstanceFor(
  37       content::BrowserContext* context) const override;
  38   content::BrowserContext* GetBrowserContextToUse(
  39       content::BrowserContext* context) const override;
  40   bool ServiceIsNULLWhileTesting() const override;
  41 };
  42
  43 #endif  // CHROME_BROWSER_HISTORY_CHROME_HISTORY_CLIENT_FACTORY_H_