ui/app_list/app_list_model.h

   1 // Copyright (c) 2012 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 UI_APP_LIST_APP_LIST_MODEL_H_
   6 #define UI_APP_LIST_APP_LIST_MODEL_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/observer_list.h"
  11 #include "ui/app_list/app_list_export.h"
  12 #include "ui/base/models/list_model.h"
  13
  14 namespace app_list {
  15
  16 class AppListItemModel;
  17 class AppListModelObserver;
  18 class SearchBoxModel;
  19 class SearchResult;
  20
  21 // Master model of app list that consists of three sub models: Apps,
  22 // SearchBoxModel and SearchResults. The Apps sub model owns a list of
  23 // AppListItemModel and is displayed in the grid view. SearchBoxModel is
  24 // the model for SearchBoxView. SearchResults owns a list of SearchResult.
  25 class APP_LIST_EXPORT AppListModel {
  26  public:
  27   enum Status {
  28     STATUS_NORMAL,
  29     STATUS_SYNCING,  // Syncing apps or installing synced apps.
  30   };
  31
  32   typedef ui::ListModel<AppListItemModel> Apps;
  33   typedef ui::ListModel<SearchResult> SearchResults;
  34
  35   AppListModel();
  36   ~AppListModel();
  37
  38   void AddObserver(AppListModelObserver* observer);
  39   void RemoveObserver(AppListModelObserver* observer);
  40
  41   void SetStatus(Status status);
  42
  43   Apps* apps() { return apps_.get(); }
  44   SearchBoxModel* search_box() { return search_box_.get(); }
  45   SearchResults* results() { return results_.get(); }
  46   Status status() const { return status_; }
  47
  48  private:
  49   scoped_ptr<Apps> apps_;
  50
  51   scoped_ptr<SearchBoxModel> search_box_;
  52   scoped_ptr<SearchResults> results_;
  53
  54   Status status_;
  55   ObserverList<AppListModelObserver> observers_;
  56
  57   DISALLOW_COPY_AND_ASSIGN(AppListModel);
  58 };
  59
  60 }  // namespace app_list
  61
  62 #endif  // UI_APP_LIST_APP_LIST_MODEL_H_