It is time.

ui/base/touch/touch_editing_controller.h

-// Copyright (c) 2013 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_BASE_TOUCH_TOUCH_EDITING_CONTROLLER_H_
-#define UI_BASE_TOUCH_TOUCH_EDITING_CONTROLLER_H_
-
-#include "ui/base/models/simple_menu_model.h"
-#include "ui/gfx/point.h"
-#include "ui/gfx/rect.h"
-
-namespace ui {
-
-// An interface implemented by widget that has text that can be selected/edited
-// using touch.
-class UI_BASE_EXPORT TouchEditable : public ui::SimpleMenuModel::Delegate {
- public:
-  // TODO(mohsen): Consider switching from local coordinates to screen
-  // coordinates in this interface and see if it will simplify things.
-
-  // 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;
-
-  // Move the caret to |point|. |point| is in local coordinates.
-  virtual void MoveCaretTo(const gfx::Point& point) = 0;
-
-  // Gets the end points of the current selection. The end points p1 and p2 must
-  // be the cursor rect for the start and end of selection (in local
-  // coordinates):
-  // ____________________________________
-  // | textfield with |selected text|   |
-  // ------------------------------------
-  //                  ^p1           ^p2
-  //
-  // p1 should be the logical start and p2 the logical end of selection. Hence,
-  // visually, p1 could be to the right of p2 in the figure above.
-  virtual void GetSelectionEndPoints(gfx::Rect* p1, gfx::Rect* p2) = 0;
-
-  // Gets the bounds of the client view in its local coordinates.
-  virtual gfx::Rect GetBounds() = 0;
-
-  // Gets the NativeView hosting the client.
-  virtual gfx::NativeView GetNativeView() const = 0;
-
-  // Converts a point to/from screen coordinates from/to client view.
-  virtual void ConvertPointToScreen(gfx::Point* point) = 0;
-  virtual void ConvertPointFromScreen(gfx::Point* point) = 0;
-
-  // Returns true if the editable draws its own handles (hence, the
-  // TouchSelectionController need not draw handles).
-  virtual bool DrawsHandles() = 0;
-
-  // Tells the editable to open context menu.
-  virtual void OpenContextMenu(const gfx::Point& anchor) = 0;
-
-  // Tells the editable to end touch editing and destroy touch selection
-  // controller it owns.
-  virtual void DestroyTouchSelection() = 0;
-
- protected:
-  ~TouchEditable() override {}
-};
-
-// This defines the callback interface for other code to be notified of changes
-// in the state of a TouchEditable.
-class UI_BASE_EXPORT TouchSelectionController {
- public:
-  virtual ~TouchSelectionController() {}
-
-  // Creates a TouchSelectionController. Caller owns the returned object.
-  static TouchSelectionController* create(
-      TouchEditable* client_view);
-
-  // Notifies the controller that the selection has changed.
-  virtual void SelectionChanged() = 0;
-
-  // Returns true if the user is currently dragging one of the handles.
-  virtual bool IsHandleDragInProgress() = 0;
-
-  // Hides visible handles. According to the value of |quick|, handles might
-  // fade out quickly or slowly.
-  virtual void HideHandles(bool quick) = 0;
-};
-
-class UI_BASE_EXPORT TouchSelectionControllerFactory {
- public:
-  static void SetInstance(TouchSelectionControllerFactory* instance);
-
-  virtual TouchSelectionController* create(TouchEditable* client_view) = 0;
-
- protected:
-  virtual ~TouchSelectionControllerFactory() {}
-};
-
-}  // namespace views
-
-#endif  // UI_BASE_TOUCH_TOUCH_EDITING_CONTROLLER_H_