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 <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "ui/app_list/app_list_export.h"
  12 #include "ui/app_list/views/search_result_container_view.h"
  13
  14 namespace app_list {
  15
  16 class AllAppsTileItemView;
  17 class AppListMainView;
  18 class AppListViewDelegate;
  19 class SearchResultTileItemView;
  20 class TileItemView;
  21
  22 // The start page for the experimental app list.
  23 class APP_LIST_EXPORT StartPageView : public SearchResultContainerView {
  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
  38   // Called when the start page view is displayed.
  39   void OnShow();
  40
  41   // Called when the start page view is hidden (while the app list is still
  42   // open).
  43   void OnHide();
  44
  45   // Overridden from views::View:
  46   void Layout() override;
  47   bool OnKeyPressed(const ui::KeyEvent& event) override;
  48
  49   // Overridden from SearchResultContainerView:
  50   void OnContainerSelected(bool from_bottom) override;
  51
  52   // Returns search box bounds to use when the start page is active.
  53   gfx::Rect GetSearchBoxBounds() const;
  54
  55   // Updates whether the custom page clickzone is visible.
  56   void UpdateCustomPageClickzoneVisibility();
  57
  58  private:
  59   // Overridden from SearchResultContainerView:
  60   int Update() override;
  61   void UpdateSelectedIndex(int old_selected, int new_selected) override;
  62
  63   void InitInstantContainer();
  64   void InitTilesContainer();
  65
  66   TileItemView* GetTileItemView(size_t index);
  67
  68   // The parent view of ContentsView which is the parent of this view.
  69   AppListMainView* app_list_main_view_;
  70
  71   AppListViewDelegate* view_delegate_;  // Owned by AppListView.
  72
  73   views::View* search_box_spacer_view_;  // Owned by views hierarchy.
  74   views::View* instant_container_;  // Owned by views hierarchy.
  75   views::View* tiles_container_;    // Owned by views hierarchy.
  76
  77   std::vector<SearchResultTileItemView*> search_result_tile_views_;
  78   AllAppsTileItemView* all_apps_button_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(StartPageView);
  81 };
  82
  83 }  // namespace app_list
  84
  85 #endif  // UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_