Move touch_selection_controller interface to ui/base.

ui/views/touchui/touch_selection_controller.h

-// Copyright (c) 2011 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_VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_H_
-#define UI_VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_H_
-
-#include "ui/base/models/simple_menu_model.h"
-#include "ui/gfx/point.h"
-#include "ui/views/view.h"
-
-namespace views {
-
-// An interface implemented by a View that has text that can be selected.
-class VIEWS_EXPORT TouchSelectionClientView
-    : public View,
-      public ui::SimpleMenuModel::Delegate {
- public:
-  // Select everything between start and end (points are in view's local
-  // coordinate system). |start| is the logical start and |end| is the logical
-  // end of selection. Visually, |start| may lie after |end|.
-  virtual void SelectRect(const gfx::Point& start, const gfx::Point& end) = 0;
-
- protected:
-  virtual ~TouchSelectionClientView() {}
-};
-
-// This defines the callback interface for other code to be notified of changes
-// in the state of a TouchSelectionClientView.
-class VIEWS_EXPORT TouchSelectionController {
- public:
-  virtual ~TouchSelectionController() {}
-
-  // Creates a TouchSelectionController. Caller owns the returned object.
-  static TouchSelectionController* create(
-      TouchSelectionClientView* client_view);
-
-  // Notification that the text selection in TouchSelectionClientView has
-  // changed. p1 and p2 are lower corners of the start and end of selection:
-  // ____________________________________
-  // | textfield with |selected text|   |
-  // ------------------------------------
-  //                  ^p1           ^p2
-  //
-  // p1 is always the start and p2 is always the end of selection. Hence,
-  // p1 could be to the right of p2 in the figure above.
-  virtual void SelectionChanged(const gfx::Point& p1, const gfx::Point& p2) = 0;
-
-  // Notification that the TouchSelectionClientView has lost focus.
-  virtual void ClientViewLostFocus() = 0;
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_TOUCHUI_TOUCH_SELECTION_CONTROLLER_H_