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 COMPONENTS_HISTORY_CORE_BROWSER_TOP_SITES_OBSERVER_H_ 6 #define COMPONENTS_HISTORY_CORE_BROWSER_TOP_SITES_OBSERVER_H_ 7 8 namespace history { 9 class TopSites; 10 11 // Interface for observing notifications from TopSites. 12 class TopSitesObserver { 13 public: 14 // Is called when TopSites finishes loading. 15 virtual void TopSitesLoaded(history::TopSites* top_sites) = 0; 16 17 // Is called when either one of the most visited urls 18 // changed, or one of the images changes. 19 virtual void TopSitesChanged(history::TopSites* top_sites) = 0; 20 }; 21 22 } // namespace history 23 24 #endif // COMPONENTS_HISTORY_CORE_BROWSER_TOP_SITES_OBSERVER_H_ 25
