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- // Copyright 2014 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_OBSERVER_H_
- #define COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_OBSERVER_H_
- #include "base/observer_list_types.h"
- // TemplateURLServiceObserver is notified whenever the set of TemplateURLs
- // are modified.
- class TemplateURLServiceObserver : public base::CheckedObserver {
- public:
- // Notification that the template url model has changed in some way.
- virtual void OnTemplateURLServiceChanged() = 0;
- // Notification that the template url service is shutting down. Observers that
- // might outlive the service can use this to clear out any raw pointers to the
- // service.
- virtual void OnTemplateURLServiceShuttingDown() {}
- protected:
- ~TemplateURLServiceObserver() override {}
- };
- #endif // COMPONENTS_SEARCH_ENGINES_TEMPLATE_URL_SERVICE_OBSERVER_H_
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