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