1// Copyright (c) 2013 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_KEYBOARD_KEYBOARD_CONTROLLER_OBSERVER_H_
6#define UI_KEYBOARD_KEYBOARD_CONTROLLER_OBSERVER_H_
7
8#include "ui/keyboard/keyboard_export.h"
9
10namespace gfx {
11class Rect;
12}
13
14namespace keyboard {
15
16// Observers to the KeyboardController are notified of significant events that
17// occur with the keyboard, such as the bounds or visiility changing.
18class KEYBOARD_EXPORT KeyboardControllerObserver {
19 public:
20  // Called when the keyboard bounds or visibility are about to change.
21  virtual void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) = 0;
22};
23
24}  // namespace keyboard
25
26#endif  // UI_KEYBOARD_KEYBOARD_CONTROLLER_OBSERVER_H_
27