ui/app_list/views/start_page_view.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 UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_
   6 #define UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_
   7
   8 #include "base/basictypes.h"
   9 #include "ui/app_list/app_list_export.h"
  10 #include "ui/app_list/views/search_box_view_delegate.h"
  11 #include "ui/app_list/views/search_result_container_view.h"
  12
  13 namespace app_list {
  14
  15 class AllAppsTileItemView;
  16 class AppListMainView;
  17 class AppListViewDelegate;
  18 class SearchResultTileItemView;
  19 class TileItemView;
  20
  21 // The start page for the experimental app list.
  22 class APP_LIST_EXPORT StartPageView : public SearchResultContainerView,
  23                                       public SearchBoxViewDelegate {
  24  public:
  25   StartPageView(AppListMainView* app_list_main_view,
  26                 AppListViewDelegate* view_delegate);
  27   ~StartPageView() override;
  28
  29   void Reset();
  30
  31   void UpdateForTesting();
  32
  33   const std::vector<SearchResultTileItemView*>& tile_views() const {
  34     return search_result_tile_views_;
  35   }
  36   TileItemView* all_apps_button() const;
  37   SearchBoxView* dummy_search_box_view() { return search_box_view_; }
  38
  39   // Called when the start page view is displayed.
  40   void OnShow();
  41
  42   // Called when the start page view is hidden (while the app list is still
  43   // open).
  44   void OnHide();
  45
  46   // Overridden from views::View:
  47   void Layout() override;
  48
  49   // Overridden from SearchResultContainerView:
  50   void OnContainerSelected(bool from_bottom) override;
  51
  52  private:
  53   // Overridden from SearchResultContainerView:
  54   int Update() override;
  55   void UpdateSelectedIndex(int old_selected, int new_selected) override;
  56
  57   void InitInstantContainer();
  58   void InitTilesContainer();
  59
  60   // Overridden from SearchBoxViewDelegate:
  61   void QueryChanged(SearchBoxView* sender) override;
  62   void BackButtonPressed() override;
  63
  64   // The parent view of ContentsView which is the parent of this view.
  65   AppListMainView* app_list_main_view_;
  66
  67   AppListViewDelegate* view_delegate_;  // Owned by AppListView.
  68
  69   SearchBoxView* search_box_view_;      // Owned by views hierarchy.
  70   views::View* instant_container_;  // Owned by views hierarchy.
  71   views::View* tiles_container_;    // Owned by views hierarchy.
  72
  73   std::vector<SearchResultTileItemView*> search_result_tile_views_;
  74   AllAppsTileItemView* all_apps_button_;
  75
  76   DISALLOW_COPY_AND_ASSIGN(StartPageView);
  77 };
  78
  79 }  // namespace app_list
  80
  81 #endif  // UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_