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- // Copyright 2017 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 COMPONENTS_EXO_KEYBOARD_OBSERVER_H_
- #define COMPONENTS_EXO_KEYBOARD_OBSERVER_H_
- namespace exo {
- class Keyboard;
- // Observers to the Keyboard are notified when the Keyboard destructs.
- class KeyboardObserver {
- public:
- virtual ~KeyboardObserver() = default;
- // Called at the top of the keyboard's destructor, to give observers a change
- // to remove themselves.
- virtual void OnKeyboardDestroying(Keyboard* keyboard) {}
- // Called just before KeyboardDelegate::OnKeyboardKey().
- // KeyboardDelegate::OnKeyboardKey() may not be called, specifically if IME
- // consumed the key event, but this is always.
- virtual void OnKeyboardKey(base::TimeTicks time_stamp,
- ui::DomCode code,
- bool pressed) {}
- };
- } // namespace exo
- #endif // COMPONENTS_EXO_KEYBOARD_OBSERVER_H_
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