src/ui/app_list/views/app_list_folder_view.h

   1 // Copyright 2013 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_APP_LIST_FOLDER_VIEW_H_
   6 #define UI_APP_LIST_VIEWS_APP_LIST_FOLDER_VIEW_H_
   7
   8 #include <string>
   9
  10 #include "ui/app_list/app_list_item_list_observer.h"
  11 #include "ui/app_list/views/apps_grid_view.h"
  12 #include "ui/app_list/views/apps_grid_view_folder_delegate.h"
  13 #include "ui/app_list/views/folder_header_view.h"
  14 #include "ui/app_list/views/folder_header_view_delegate.h"
  15 #include "ui/compositor/layer_animation_observer.h"
  16 #include "ui/views/controls/button/button.h"
  17 #include "ui/views/view.h"
  18 #include "ui/views/view_model.h"
  19
  20 namespace app_list {
  21
  22 class AppsContainerView;
  23 class AppsGridView;
  24 class AppListFolderItem;
  25 class AppListItemView;
  26 class AppListMainView;
  27 class AppListModel;
  28 class FolderHeaderView;
  29
  30 class AppListFolderView : public views::View,
  31                           public FolderHeaderViewDelegate,
  32                           public AppListModelObserver,
  33                           public ui::ImplicitAnimationObserver,
  34                           public AppsGridViewFolderDelegate {
  35  public:
  36   AppListFolderView(AppsContainerView* container_view,
  37                     AppListModel* model,
  38                     AppListMainView* app_list_main_view);
  39   ~AppListFolderView() override;
  40
  41   void SetAppListFolderItem(AppListFolderItem* folder);
  42
  43   // Schedules an animation to show or hide the view.
  44   // If |show| is false, the view should be set to invisible after the
  45   // animation is done unless |hide_for_reparent| is true.
  46   void ScheduleShowHideAnimation(bool show, bool hide_for_reparent);
  47
  48   // Gets icon image bounds of the item at |index|, relative to
  49   // AppListFolderView.
  50   gfx::Rect GetItemIconBoundsAt(int index);
  51
  52   void UpdateFolderNameVisibility(bool visible);
  53
  54   // Hides the view immediately without animation.
  55   void HideViewImmediately();
  56
  57   // Closes the folder page and goes back the top level page.
  58   void CloseFolderPage();
  59
  60   // views::View
  61   gfx::Size GetPreferredSize() const override;
  62   void Layout() override;
  63   bool OnKeyPressed(const ui::KeyEvent& event) override;
  64
  65   // AppListModelObserver
  66   void OnAppListItemWillBeDeleted(AppListItem* item) override;
  67
  68   // ui::ImplicitAnimationObserver
  69   void OnImplicitAnimationsCompleted() override;
  70
  71   AppsGridView* items_grid_view() { return items_grid_view_; }
  72
  73  private:
  74   void CalculateIdealBounds();
  75
  76   // Starts setting up drag in root level apps grid view for re-parenting a
  77   // folder item.
  78   // |drag_point_in_root_grid| is in the cooridnates of root level AppsGridView.
  79   void StartSetupDragInRootLevelAppsGridView(
  80       AppListItemView* original_drag_view,
  81       const gfx::Point& drag_point_in_root_grid,
  82       bool has_native_drag);
  83
  84   // Overridden from views::View:
  85   void GetAccessibleState(ui::AXViewState* state) override;
  86
  87   // Overridden from FolderHeaderViewDelegate:
  88   void NavigateBack(AppListFolderItem* item,
  89                     const ui::Event& event_flags) override;
  90   void GiveBackFocusToSearchBox() override;
  91   void SetItemName(AppListFolderItem* item, const std::string& name) override;
  92
  93   // Overridden from AppsGridViewFolderDelegate:
  94   void UpdateFolderViewBackground(bool show_bubble) override;
  95   void ReparentItem(AppListItemView* original_drag_view,
  96                     const gfx::Point& drag_point_in_folder_grid,
  97                     bool has_native_drag) override;
  98   void DispatchDragEventForReparent(
  99       AppsGridView::Pointer pointer,
 100       const gfx::Point& drag_point_in_folder_grid) override;
 101   void DispatchEndDragEventForReparent(bool events_forwarded_to_drag_drop_host,
 102                                        bool cancel_drag) override;
 103   bool IsPointOutsideOfFolderBoundary(const gfx::Point& point) override;
 104   bool IsOEMFolder() const override;
 105   void SetRootLevelDragViewVisible(bool visible) override;
 106
 107   AppsContainerView* container_view_;  // Not owned.
 108   AppListMainView* app_list_main_view_;   // Not Owned.
 109   FolderHeaderView* folder_header_view_;  // Owned by views hierarchy.
 110   AppsGridView* items_grid_view_;  // Owned by the views hierarchy.
 111
 112   scoped_ptr<views::ViewModel> view_model_;
 113
 114   AppListModel* model_;  // Not owned.
 115   AppListFolderItem* folder_item_;  // Not owned.
 116
 117   bool hide_for_reparent_;
 118
 119   base::string16 accessible_name_;
 120
 121   DISALLOW_COPY_AND_ASSIGN(AppListFolderView);
 122 };
 123
 124 }  // namespace app_list
 125
 126 #endif  // UI_APP_LIST_VIEWS_APP_LIST_FOLDER_VIEW_H_