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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef ASH_KEY_REWRITER_DELEGATE_H_ | 5 #ifndef ASH_KEY_REWRITER_DELEGATE_H_ |
6 #define ASH_KEY_REWRITER_DELEGATE_H_ | 6 #define ASH_KEY_REWRITER_DELEGATE_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 namespace aura { | 9 namespace aura { |
10 class KeyEvent; | 10 class KeyEvent; |
| 11 class LocatedEvent; |
11 } // namespace aura | 12 } // namespace aura |
12 | 13 |
13 namespace ash { | 14 namespace ash { |
14 | 15 |
15 // Delegate for rewriting or filtering a key event. | 16 // Delegate for rewriting or filtering a key event. |
16 class KeyRewriterDelegate { | 17 class KeyRewriterDelegate { |
17 public: | 18 public: |
18 enum Action { | 19 enum Action { |
19 ACTION_REWRITE_EVENT, | 20 ACTION_REWRITE_EVENT, |
20 ACTION_DROP_EVENT, | 21 ACTION_DROP_EVENT, |
21 }; | 22 }; |
22 | 23 |
23 virtual ~KeyRewriterDelegate() {} | 24 virtual ~KeyRewriterDelegate() {} |
24 | 25 |
25 // A derived class can do either of the following: | 26 // A derived class can do either of the following: |
26 // 1) Just return ACTION_DROP_EVENT to drop the |event|. | 27 // 1) Just return ACTION_DROP_EVENT to drop the |event|. |
27 // 2) Rewrite the |event| and return ACTION_REWRITE_EVENT. | 28 // 2) Rewrite the |event| and return ACTION_REWRITE_EVENT. |
28 virtual Action RewriteOrFilterKeyEvent(aura::KeyEvent* event) = 0; | 29 virtual Action RewriteOrFilterKeyEvent(aura::KeyEvent* event) = 0; |
| 30 virtual Action RewriteOrFilterLocatedEvent(aura::LocatedEvent* event) = 0; |
29 }; | 31 }; |
30 | 32 |
31 } // namespace ash | 33 } // namespace ash |
32 | 34 |
33 #endif // ASH_KEY_REWRITER_DELEGATE_H_ | 35 #endif // ASH_KEY_REWRITER_DELEGATE_H_ |
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