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/views/view.h"
  13
  14 namespace app_list {
  15
  16 class AllAppsTileItemView;
  17 class AppListMainView;
  18 class AppListViewDelegate;
  19 class CustomLauncherPageBackgroundView;
  20 class SearchResultTileItemView;
  21 class TileItemView;
  22
  23 // The start page for the experimental app list.
  24 class APP_LIST_EXPORT StartPageView : public views::View {
  25  public:
  26   StartPageView(AppListMainView* app_list_main_view,
  27                 AppListViewDelegate* view_delegate);
  28   ~StartPageView() override;
  29
  30   void Reset();
  31
  32   void UpdateForTesting();
  33
  34   views::View* instant_container() const { return instant_container_; }
  35   const std::vector<SearchResultTileItemView*>& tile_views() const;
  36   TileItemView* all_apps_button() const;
  37
  38   // Called when the start page view is displayed.
  39   void OnShow();
  40
  41   // Overridden from views::View:
  42   void Layout() override;
  43   bool OnKeyPressed(const ui::KeyEvent& event) override;
  44
  45   bool OnMousePressed(const ui::MouseEvent& event) override;
  46   bool OnMouseWheel(const ui::MouseWheelEvent& event) override;
  47   void OnGestureEvent(ui::GestureEvent* event) override;
  48   void OnScrollEvent(ui::ScrollEvent* event) override;
  49
  50   // Returns search box bounds to use when the start page is active.
  51   gfx::Rect GetSearchBoxBounds() const;
  52
  53  private:
  54   class StartPageTilesContainer;
  55
  56   void InitInstantContainer();
  57   void MaybeOpenCustomLauncherPage();
  58
  59   void SetCustomLauncherPageSelected(bool selected);
  60
  61   TileItemView* GetTileItemView(size_t index);
  62
  63   // The parent view of ContentsView which is the parent of this view.
  64   AppListMainView* app_list_main_view_;
  65
  66   AppListViewDelegate* view_delegate_;  // Owned by AppListView.
  67
  68   views::View* search_box_spacer_view_;  // Owned by views hierarchy.
  69   views::View* instant_container_;  // Owned by views hierarchy.
  70   CustomLauncherPageBackgroundView*
  71       custom_launcher_page_background_;       // Owned by view hierarchy.
  72   StartPageTilesContainer* tiles_container_;  // Owned by views hierarchy.
  73
  74   DISALLOW_COPY_AND_ASSIGN(StartPageView);
  75 };
  76
  77 }  // namespace app_list
  78
  79 #endif  // UI_APP_LIST_VIEWS_START_PAGE_VIEW_H_