ui/app_list/views/search_result_list_view.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_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/base/models/list_model_observer.h"
  12 #include "ui/gfx/animation/animation_delegate.h"
  13 #include "ui/views/view.h"
  14
  15 namespace gfx {
  16 class LinearAnimation;
  17 }
  18
  19 namespace app_list {
  20 namespace test {
  21 class SearchResultListViewTest;
  22 }
  23
  24 class AppListViewDelegate;
  25 class SearchResultListViewDelegate;
  26 class SearchResultView;
  27
  28 // SearchResultListView displays SearchResultList with a list of
  29 // SearchResultView.
  30 class APP_LIST_EXPORT SearchResultListView : public views::View,
  31                                              public gfx::AnimationDelegate,
  32                                              public ui::ListModelObserver {
  33  public:
  34   SearchResultListView(SearchResultListViewDelegate* delegate,
  35                        AppListViewDelegate* view_delegate);
  36   virtual ~SearchResultListView();
  37
  38   void SetResults(AppListModel::SearchResults* results);
  39
  40   void SetSelectedIndex(int selected_index);
  41
  42   void UpdateAutoLaunchState();
  43
  44   bool IsResultViewSelected(const SearchResultView* result_view) const;
  45
  46   void SearchResultActivated(SearchResultView* view, int event_flags);
  47
  48   void SearchResultActionActivated(SearchResultView* view,
  49                                    size_t action_index,
  50                                    int event_flags);
  51
  52   void OnSearchResultInstalled(SearchResultView* view);
  53
  54   void OnSearchResultUninstalled(SearchResultView* view);
  55
  56   // Overridden from views::View:
  57   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
  58   virtual gfx::Size GetPreferredSize() const OVERRIDE;
  59
  60  private:
  61   friend class test::SearchResultListViewTest;
  62
  63   // Updates the auto launch states.
  64   void SetAutoLaunchTimeout(const base::TimeDelta& timeout);
  65   void CancelAutoLaunchTimeout();
  66
  67   // Helper function to get SearchResultView at given |index|.
  68   SearchResultView* GetResultViewAt(int index);
  69
  70   // Updates UI with model.
  71   void Update();
  72
  73   // Schedules an Update call using |update_factory_|. Do nothing if there is a
  74   // pending call.
  75   void ScheduleUpdate();
  76
  77   // Forcibly auto-launch for test if it is in auto-launching state.
  78   void ForceAutoLaunchForTest();
  79
  80   // Overridden from views::View:
  81   virtual void Layout() OVERRIDE;
  82   virtual int GetHeightForWidth(int w) const OVERRIDE;
  83   virtual void VisibilityChanged(
  84       views::View* starting_from, bool is_visible) OVERRIDE;
  85
  86   // Overridden from gfx::AnimationDelegate:
  87   virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE;
  88   virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE;
  89
  90   // Overridden from ui::ListModelObserver:
  91   virtual void ListItemsAdded(size_t start, size_t count) OVERRIDE;
  92   virtual void ListItemsRemoved(size_t start, size_t count) OVERRIDE;
  93   virtual void ListItemMoved(size_t index, size_t target_index) OVERRIDE;
  94   virtual void ListItemsChanged(size_t start, size_t count) OVERRIDE;
  95
  96   SearchResultListViewDelegate* delegate_;  // Not owned.
  97   AppListViewDelegate* view_delegate_;  // Not owned.
  98   AppListModel::SearchResults* results_;  // Owned by AppListModel.
  99
 100   views::View* results_container_;
 101   views::View* auto_launch_indicator_;
 102   scoped_ptr<gfx::LinearAnimation> auto_launch_animation_;
 103
 104   int last_visible_index_;
 105   int selected_index_;
 106
 107   // The factory that consolidates multiple Update calls into one.
 108   base::WeakPtrFactory<SearchResultListView> update_factory_;
 109
 110   DISALLOW_COPY_AND_ASSIGN(SearchResultListView);
 111 };
 112
 113 }  // namespace app_list
 114
 115 #endif  // UI_APP_LIST_VIEWS_SEARCH_RESULT_LIST_VIEW_H_