| // 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_KEYBOARD_KEYBOARD_CONTROLLER_OBSERVER_H_ |
| #define UI_KEYBOARD_KEYBOARD_CONTROLLER_OBSERVER_H_ |
| |
| #include "ui/keyboard/keyboard_controller.h" |
| #include "ui/keyboard/keyboard_export.h" |
| |
| namespace gfx { |
| class Rect; |
| } |
| |
| namespace keyboard { |
| |
| // Observers to the KeyboardController are notified of significant events that |
| // occur with the keyboard, such as the bounds or visiility changing. |
| class KEYBOARD_EXPORT KeyboardControllerObserver { |
| public: |
| virtual ~KeyboardControllerObserver() {} |
| |
| // Called when the keyboard bounds or visibility are about to change. |
| virtual void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) = 0; |
| |
| // Called when the keyboard was closed. |
| virtual void OnKeyboardClosed() = 0; |
| |
| // Called when the keyboard has been hidden and the hiding animation finished |
| // successfully. This is same as |state| == HIDDEN on OnStateChanged. |
| virtual void OnKeyboardHidden() {} |
| |
| // When state changed. |
| virtual void OnStateChanged(const KeyboardControllerState state) {} |
| }; |
| |
| } // namespace keyboard |
| |
| #endif // UI_KEYBOARD_KEYBOARD_CONTROLLER_OBSERVER_H_ |