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   void SetBackButtonLabel(bool folder);
  54
  55   // Hides the view immediately without animation.
  56   void HideViewImmediately();
  57
  58   // Closes the folder page and goes back the top level page.
  59   void CloseFolderPage();
  60
  61   // views::View
  62   gfx::Size GetPreferredSize() const override;
  63   void Layout() override;
  64   bool OnKeyPressed(const ui::KeyEvent& event) override;
  65
  66   // AppListModelObserver
  67   void OnAppListItemWillBeDeleted(AppListItem* item) override;
  68
  69   // ui::ImplicitAnimationObserver
  70   void OnImplicitAnimationsCompleted() override;
  71
  72   AppsGridView* items_grid_view() { return items_grid_view_; }
  73
  74  private:
  75   void CalculateIdealBounds();
  76
  77   // Starts setting up drag in root level apps grid view for re-parenting a
  78   // folder item.
  79   // |drag_point_in_root_grid| is in the cooridnates of root level AppsGridView.
  80   void StartSetupDragInRootLevelAppsGridView(
  81       AppListItemView* original_drag_view,
  82       const gfx::Point& drag_point_in_root_grid,
  83       bool has_native_drag);
  84
  85   // Overridden from views::View:
  86   void GetAccessibleState(ui::AXViewState* state) override;
  87
  88   // Overridden from FolderHeaderViewDelegate:
  89   void NavigateBack(AppListFolderItem* item,
  90                     const ui::Event& event_flags) override;
  91   void GiveBackFocusToSearchBox() override;
  92   void SetItemName(AppListFolderItem* item, const std::string& name) override;
  93
  94   // Overridden from AppsGridViewFolderDelegate:
  95   void UpdateFolderViewBackground(bool show_bubble) override;
  96   void ReparentItem(AppListItemView* original_drag_view,
  97                     const gfx::Point& drag_point_in_folder_grid,
  98                     bool has_native_drag) override;
  99   void DispatchDragEventForReparent(
 100       AppsGridView::Pointer pointer,
 101       const gfx::Point& drag_point_in_folder_grid) override;
 102   void DispatchEndDragEventForReparent(bool events_forwarded_to_drag_drop_host,
 103                                        bool cancel_drag) override;
 104   bool IsPointOutsideOfFolderBoundary(const gfx::Point& point) override;
 105   bool IsOEMFolder() const override;
 106   void SetRootLevelDragViewVisible(bool visible) override;
 107
 108   AppsContainerView* container_view_;  // Not owned.
 109   AppListMainView* app_list_main_view_;   // Not Owned.
 110   FolderHeaderView* folder_header_view_;  // Owned by views hierarchy.
 111   AppsGridView* items_grid_view_;  // Owned by the views hierarchy.
 112
 113   scoped_ptr<views::ViewModel> view_model_;
 114
 115   AppListModel* model_;  // Not owned.
 116   AppListFolderItem* folder_item_;  // Not owned.
 117
 118   bool hide_for_reparent_;
 119
 120   base::string16 accessible_name_;
 121
 122   DISALLOW_COPY_AND_ASSIGN(AppListFolderView);
 123 };
 124
 125 }  // namespace app_list
 126
 127 #endif  // UI_APP_LIST_VIEWS_APP_LIST_FOLDER_VIEW_H_