chrome/browser/ui/app_list/model_pref_updater.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_UI_APP_LIST_MODEL_PREF_UPDATER_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_MODEL_PREF_UPDATER_H_
   7
   8 #include "base/macros.h"
   9 #include "ui/app_list/app_list_model_observer.h"
  10
  11 namespace app_list {
  12
  13 class AppListModel;
  14 class AppListPrefs;
  15
  16 // A class which listens to an AppListModel and updates the local pref model of
  17 // the app list accordingly.
  18 class ModelPrefUpdater : public AppListModelObserver {
  19  public:
  20   ModelPrefUpdater(AppListPrefs* app_list_prefs, AppListModel* model);
  21   ~ModelPrefUpdater() override;
  22
  23   // Overridden from AppListModelObserver:
  24   void OnAppListItemAdded(AppListItem* item) override;
  25   void OnAppListItemWillBeDeleted(AppListItem* item) override;
  26   void OnAppListItemUpdated(AppListItem* item) override;
  27
  28  private:
  29   void UpdatePrefsFromAppListItem(AppListItem* item);
  30
  31   AppListPrefs* app_list_prefs_;
  32   AppListModel* model_;
  33
  34   DISALLOW_COPY_AND_ASSIGN(ModelPrefUpdater);
  35 };
  36
  37 }  // namespace app_list
  38
  39 #endif  // CHROME_BROWSER_UI_APP_LIST_MODEL_PREF_UPDATER_H_