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_VIEWS_SEARCH_RESULT_LIST_VIEW_H_ 6 #define UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_ 7 8 #include "base/basictypes.h" 9 #include "base/memory/weak_ptr.h" 10 #include "ui/app_list/app_list_model.h" 11 #include "ui/app_list/views/search_result_view_delegate.h" 12 #include "ui/base/models/list_model_observer.h" 13 #include "ui/views/view.h" 14 15 namespace app_list { 16 17 class SearchResultListViewDelegate; 18 class SearchResultView; 19 20 // SearchResultListView displays AppListModel::SearchResults with a list of 21 // SearchResultView. 22 class SearchResultListView : public views::View, 23 public ui::ListModelObserver, 24 public SearchResultViewDelegate { 25 public: 26 explicit SearchResultListView(SearchResultListViewDelegate* delegate); 27 virtual ~SearchResultListView(); 28 29 void SetResults(AppListModel::SearchResults* results); 30 31 void SetSelectedIndex(int selected_index); 32 33 bool IsResultViewSelected(const SearchResultView* result_view) const; 34 35 // Overridden from views::View: 36 virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE; 37 38 private: 39 // Helper function to get SearchResultView at given |index|. 40 SearchResultView* GetResultViewAt(int index); 41 42 // Updates UI with model. 43 void Update(); 44 45 // Schedules an Update call using |update_factory_|. Do nothing if there is a 46 // pending call. 47 void ScheduleUpdate(); 48 49 // Overridden from ListModelObserver: 50 virtual void ListItemsAdded(size_t start, size_t count) OVERRIDE; 51 virtual void ListItemsRemoved(size_t start, size_t count) OVERRIDE; 52 virtual void ListItemMoved(size_t index, size_t target_index) OVERRIDE; 53 virtual void ListItemsChanged(size_t start, size_t count) OVERRIDE; 54 55 // Overridden from SearchResultViewDelegate: 56 virtual void SearchResultActivated(SearchResultView* view, 57 int event_flags) OVERRIDE; 58 virtual void SearchResultActionActivated(SearchResultView* view, 59 size_t action_index, 60 int event_flags) OVERRIDE; 61 virtual void OnSearchResultInstalled(SearchResultView* view) OVERRIDE; 62 virtual void OnSearchResultUninstalled(SearchResultView* view) OVERRIDE; 63 64 SearchResultListViewDelegate* delegate_; // Not owned. 65 AppListModel::SearchResults* results_; // Owned by AppListModel. 66 67 int last_visible_index_; 68 int selected_index_; 69 70 // The factory that consolidates multiple Update calls into one. 71 base::WeakPtrFactory<SearchResultListView> update_factory_; 72 73 DISALLOW_COPY_AND_ASSIGN(SearchResultListView); 74 }; 75 76 } // namespace app_ist 77 78 #endif // UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_ 79