chrome/browser/search/instant_service_observer.h

   1 // Copyright 2013 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_SEARCH_INSTANT_SERVICE_OBSERVER_H_
   6 #define CHROME_BROWSER_SEARCH_INSTANT_SERVICE_OBSERVER_H_
   7
   8 #include <vector>
   9
  10 struct InstantMostVisitedItem;
  11 struct ThemeBackgroundInfo;
  12
  13 // InstantServiceObserver defines the observer interface for InstantService.
  14 class InstantServiceObserver {
  15  public:
  16   // Indicates that the user's custom theme has changed in some way.
  17   virtual void ThemeInfoChanged(const ThemeBackgroundInfo&);
  18
  19   // Indicates that the most visited items has changed.
  20   virtual void MostVisitedItemsChanged(
  21       const std::vector<InstantMostVisitedItem>&);
  22
  23   // Indicates that the default search provider changed. Parameter indicates
  24   // whether the Google base URL changed (such as when the user migrates from
  25   // one google.<TLD> to another TLD).
  26   virtual void DefaultSearchProviderChanged(
  27       bool google_base_url_domain_changed);
  28
  29   // Indicates that the omnibox start margin has changed.
  30   virtual void OmniboxStartMarginChanged(int omnibox_start_margin);
  31
  32  protected:
  33   virtual ~InstantServiceObserver() {}
  34 };
  35
  36 #endif  // CHROME_BROWSER_SEARCH_INSTANT_SERVICE_OBSERVER_H_