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
  19 namespace views {
  20 class ViewModel;
  21 }
  22
  23 namespace app_list {
  24
  25 class AppsContainerView;
  26 class AppsGridView;
  27 class AppListFolderItem;
  28 class AppListItemView;
  29 class AppListMainView;
  30 class AppListModel;
  31 class FolderHeaderView;
  32 class PaginationModel;
  33
  34 class AppListFolderView : public views::View,
  35                           public FolderHeaderViewDelegate,
  36                           public AppListModelObserver,
  37                           public ui::ImplicitAnimationObserver,
  38                           public AppsGridViewFolderDelegate {
  39  public:
  40   AppListFolderView(AppsContainerView* container_view,
  41                     AppListModel* model,
  42                     AppListMainView* app_list_main_view);
  43   virtual ~AppListFolderView();
  44
  45   void SetAppListFolderItem(AppListFolderItem* folder);
  46
  47   // Schedules an animation to show or hide the view.
  48   // If |show| is false, the view should be set to invisible after the
  49   // animation is done unless |hide_for_reparent| is true.
  50   void ScheduleShowHideAnimation(bool show, bool hide_for_reparent);
  51
  52   // Gets icon image bounds of the item at |index|, relative to
  53   // AppListFolderView.
  54   gfx::Rect GetItemIconBoundsAt(int index);
  55
  56   void UpdateFolderNameVisibility(bool visible);
  57
  58   // Hides the view immediately without animation.
  59   void HideViewImmediately();
  60
  61   // Closes the folder page and goes back the top level page.
  62   void CloseFolderPage();
  63
  64   // views::View
  65   virtual gfx::Size GetPreferredSize() OVERRIDE;
  66   virtual void Layout() OVERRIDE;
  67   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
  68
  69   // AppListModelObserver
  70   virtual void OnAppListItemWillBeDeleted(AppListItem* item) OVERRIDE;
  71
  72   // ui::ImplicitAnimationObserver
  73   virtual void OnImplicitAnimationsCompleted() OVERRIDE;
  74
  75   AppsGridView* items_grid_view() { return items_grid_view_; }
  76
  77  private:
  78   void CalculateIdealBounds();
  79
  80   // Starts setting up drag in root level apps grid view for re-parenting a
  81   // folder item.
  82   // |drag_point_in_root_grid| is in the cooridnates of root level AppsGridView.
  83   void StartSetupDragInRootLevelAppsGridView(
  84       AppListItemView* original_drag_view,
  85       const gfx::Point& drag_point_in_root_grid);
  86
  87   // Overridden from views::View:
  88   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
  89
  90   // Overridden from FolderHeaderViewDelegate:
  91   virtual void NavigateBack(AppListFolderItem* item,
  92                             const ui::Event& event_flags) OVERRIDE;
  93   virtual void GiveBackFocusToSearchBox() OVERRIDE;
  94   virtual void SetItemName(AppListFolderItem* item,
  95                            const std::string& name) OVERRIDE;
  96
  97   // Overridden from AppsGridViewFolderDelegate:
  98   virtual void UpdateFolderViewBackground(bool show_bubble) OVERRIDE;
  99   virtual void ReparentItem(AppListItemView* original_drag_view,
 100                             const gfx::Point& drag_point_in_folder_grid)
 101       OVERRIDE;
 102   virtual void DispatchDragEventForReparent(
 103       AppsGridView::Pointer pointer,
 104       const gfx::Point& drag_point_in_folder_grid) OVERRIDE;
 105   virtual void DispatchEndDragEventForReparent(
 106       bool events_forwarded_to_drag_drop_host,
 107       bool cancel_drag) OVERRIDE;
 108   virtual bool IsPointOutsideOfFolderBoundary(const gfx::Point& point) OVERRIDE;
 109   virtual bool IsOEMFolder() const OVERRIDE;
 110   virtual void SetRootLevelDragViewVisible(bool visible) OVERRIDE;
 111
 112   AppsContainerView* container_view_;  // Not owned.
 113   AppListMainView* app_list_main_view_;   // Not Owned.
 114   FolderHeaderView* folder_header_view_;  // Owned by views hierarchy.
 115   AppsGridView* items_grid_view_;  // Owned by the views hierarchy.
 116
 117   scoped_ptr<views::ViewModel> view_model_;
 118
 119   AppListModel* model_;  // Not owned.
 120   AppListFolderItem* folder_item_;  // Not owned.
 121
 122   scoped_ptr<PaginationModel> pagination_model_;
 123
 124   bool hide_for_reparent_;
 125
 126   base::string16 accessible_name_;
 127
 128   DISALLOW_COPY_AND_ASSIGN(AppListFolderView);
 129 };
 130
 131 }  // namespace app_list
 132
 133 #endif  // UI_APP_LIST_VIEWS_APP_LIST_FOLDER_VIEW_H_