Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / ui / app_list / views / apps_grid_view_folder_delegate.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_APPS_GRID_VIEW_FOLDER_DELEGATE_H_
6 #define UI_APP_LIST_VIEWS_APPS_GRID_VIEW_FOLDER_DELEGATE_H_
7
8 #include "ui/app_list/app_list_export.h"
9 #include "ui/app_list/views/apps_grid_view.h"
10
11 namespace gfx {
12 class Point;
13 }
14
15 namespace ui {
16 class LocatedEvent;
17 }
18
19 namespace app_list {
20
21 class AppListItemView;
22
23 // A delegate which allows an AppsGridView to communicate with its host folder.
24 class APP_LIST_EXPORT AppsGridViewFolderDelegate {
25  public:
26   // Updates the folder view background to show or hide folder container ink
27   // bubble.
28   virtual void UpdateFolderViewBackground(bool show_bubble) = 0;
29
30   // Called when a folder item is dragged out of the folder to be re-parented.
31   // |original_drag_view| is the |drag_view_| inside the folder's grid view.
32   // |drag_point_in_folder_grid| is the last drag point in coordinate of the
33   // AppsGridView inside the folder.
34   virtual void ReparentItem(AppListItemView* original_drag_view,
35                             const gfx::Point& drag_point_in_folder_grid,
36                             bool has_native_drag) = 0;
37
38   // Dispatches drag event from the hidden grid view to the root level grid view
39   // for re-parenting a folder item.
40   virtual void DispatchDragEventForReparent(
41       AppsGridView::Pointer pointer,
42       const gfx::Point& drag_point_in_folder_grid) = 0;
43
44   // Dispatches EndDrag event from the hidden grid view to the root level grid
45   // view for reparenting a folder item.
46   // |events_forwarded_to_drag_drop_host|: True if the dragged item is dropped
47   // to the drag_drop_host, eg. dropped on shelf.
48   // |cancel_drag|: True if the drag is ending because it has been canceled.
49   virtual void DispatchEndDragEventForReparent(
50       bool events_forwarded_to_drag_drop_host,
51       bool cancel_drag) = 0;
52
53   // Returns true if |point| falls outside of the folder container ink bubble.
54   virtual bool IsPointOutsideOfFolderBoundary(const gfx::Point& point) = 0;
55
56   // Returns true if the associated folder item is an OEM folder.
57   virtual bool IsOEMFolder() const = 0;
58
59   // Hides or show the root level's grid view. This is needed so that the
60   // synchronous drag has an icon for reparenting while it loads.
61   virtual void SetRootLevelDragViewVisible(bool visible) = 0;
62
63  protected:
64   virtual ~AppsGridViewFolderDelegate() {}
65 };
66
67 }  // namespace app_list
68
69 #endif  // UI_APP_LIST_VIEWS_APPS_GRID_VIEW_FOLDER_DELEGATE_H_