chrome/browser/ui/search/new_tab_page_interceptor_service.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_UI_SEARCH_NEW_TAB_PAGE_INTERCEPTOR_SERVICE_H_
   6 #define CHROME_BROWSER_UI_SEARCH_NEW_TAB_PAGE_INTERCEPTOR_SERVICE_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "components/keyed_service/core/keyed_service.h"
  12 #include "components/search_engines/template_url_service_observer.h"
  13
  14 class NewTabPageInterceptor;
  15 class Profile;
  16 class TemplateURLService;
  17
  18 namespace net {
  19 class URLRequestInterceptor;
  20 }
  21
  22 // Owns a NewTabPageInterceptor.
  23 class NewTabPageInterceptorService : public KeyedService,
  24                                      public TemplateURLServiceObserver {
  25  public:
  26   explicit NewTabPageInterceptorService(Profile* profile);
  27   ~NewTabPageInterceptorService() override;
  28
  29   // TemplateURLServiceObserver override.
  30   void OnTemplateURLServiceChanged() override;
  31
  32   scoped_ptr<net::URLRequestInterceptor> CreateInterceptor();
  33
  34  private:
  35   Profile* profile_;
  36   base::WeakPtr<NewTabPageInterceptor> interceptor_;
  37   // The TemplateURLService that we are observing. It will outlive this
  38   // NewTabPageInterceptorService due to the dependency declared in
  39   // NewTabPageInterceptorServiceFactory.
  40   TemplateURLService* template_url_service_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(NewTabPageInterceptorService);
  43 };
  44
  45 #endif  // CHROME_BROWSER_UI_SEARCH_NEW_TAB_PAGE_INTERCEPTOR_SERVICE_H_