blob: 16fcad9675b2a29bc6ab94e00d44938bb2dd836c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// Copyright (c) 2012 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 ASH_KEY_REWRITER_DELEGATE_H_
#define ASH_KEY_REWRITER_DELEGATE_H_
#pragma once
namespace aura {
class KeyEvent;
} // namespace aura
namespace ash {
// Delegate for rewriting or filtering a key event.
class KeyRewriterDelegate {
public:
enum Action {
ACTION_REWRITE_EVENT,
ACTION_DROP_EVENT,
};
virtual ~KeyRewriterDelegate() {}
// A derived class can do either of the following:
// 1) Just return ACTION_DROP_EVENT to drop the |event|.
// 2) Rewrite the |event| and return ACTION_REWRITE_EVENT.
virtual Action RewriteOrFilterKeyEvent(aura::KeyEvent* event) = 0;
};
} // namespace ash
#endif // ASH_KEY_REWRITER_DELEGATE_H_
|
