1// Copyright (c) 2012 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_VIEWS_CONTROLS_TREE_TREE_VIEW_CONTROLLER_H_ 6#define UI_VIEWS_CONTROLS_TREE_TREE_VIEW_CONTROLLER_H_ 7 8#include "ui/events/keycodes/keyboard_codes.h" 9#include "ui/views/views_export.h" 10 11namespace ui { 12class TreeModelNode; 13} 14 15namespace views { 16 17class TreeView; 18 19// TreeViewController --------------------------------------------------------- 20 21// Controller for the treeview. 22class VIEWS_EXPORT TreeViewController { 23 public: 24 // Notification that the selection of the tree view has changed. Use 25 // GetSelectedNode to find the current selection. 26 virtual void OnTreeViewSelectionChanged(TreeView* tree_view) = 0; 27 28 // Returns true if the node can be edited. This is only used if the 29 // TreeView is editable. 30 virtual bool CanEdit(TreeView* tree_view, ui::TreeModelNode* node); 31 32 protected: 33 virtual ~TreeViewController(); 34}; 35 36} // namespace views 37 38#endif // UI_VIEWS_CONTROLS_TREE_TREE_VIEW_CONTROLLER_H_ 39