// Copyright 2014 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef UI_APP_LIST_VIEWS_APPS_GRID_VIEW_FOLDER_DELEGATE_H_ #define UI_APP_LIST_VIEWS_APPS_GRID_VIEW_FOLDER_DELEGATE_H_ #include "ui/app_list/app_list_export.h" #include "ui/app_list/views/apps_grid_view.h" namespace gfx { class Point; } namespace ui { class LocatedEvent; } namespace app_list { class AppListItemView; // A delegate which allows an AppsGridView to communicate with its host folder. class APP_LIST_EXPORT AppsGridViewFolderDelegate { public: // Updates the folder view background to show or hide folder container ink // bubble. virtual void UpdateFolderViewBackground(bool show_bubble) = 0; // Called when a folder item is dragged out of the folder to be re-parented. // |original_drag_view| is the |drag_view_| inside the folder's grid view. // |drag_point_in_folder_grid| is the last drag point in coordinate of the // AppsGridView inside the folder. virtual void ReparentItem(AppListItemView* original_drag_view, const gfx::Point& drag_point_in_folder_grid) = 0; // Dispatches drag event from the hidden grid view to the root level grid view // for re-parenting a folder item. virtual void DispatchDragEventForReparent( AppsGridView::Pointer pointer, const gfx::Point& drag_point_in_folder_grid) = 0; // Dispatches EndDrag event from the hidden grid view to the root level grid // view for reparenting a folder item. // |events_forwarded_to_drag_drop_host|: True if the dragged item is dropped // to the drag_drop_host, eg. dropped on shelf. virtual void DispatchEndDragEventForReparent( bool events_forwarded_to_drag_drop_host) = 0; // Returns true if |point| falls outside of the folder container ink bubble. virtual bool IsPointOutsideOfFolderBoundary(const gfx::Point& point) = 0; // Returns true if the associated folder item is an OEM folder. virtual bool IsOEMFolder() const = 0; protected: virtual ~AppsGridViewFolderDelegate() {} }; } // namespace app_list #endif // UI_APP_LIST_VIEWS_APPS_GRID_VIEW_FOLDER_DELEGATE_H_