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 10 namespace gfx { 11 class Rect; 12 } 13 14 namespace 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. 18 class 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