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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef ASH_IME_CONTROL_DELEGATE_H_ |
| 6 #define ASH_IME_CONTROL_DELEGATE_H_ |
| 7 |
| 8 namespace ui { |
| 9 class Accelerator; |
| 10 } // namespace ui |
| 11 |
| 12 namespace ash { |
| 13 |
| 14 // Delegate for controlling IME (input method editor). |
| 15 class ImeControlDelegate { |
| 16 public: |
| 17 virtual ~ImeControlDelegate() {} |
| 18 |
| 19 // Returns whether a user can cycle through IMEs. Returns false if only one |
| 20 // IME is enabled. |
| 21 virtual bool CanCycleIme() = 0; |
| 22 |
| 23 // Changes the IME to what is listed next. |
| 24 virtual void HandleNextIme() = 0; |
| 25 |
| 26 // Changes the IME to previously selected one. If there is no previously |
| 27 // selected IMEs, chooses the next listed IME. |
| 28 virtual void HandlePreviousIme() = 0; |
| 29 |
| 30 // Returns true if the IME can be switched to the IME associated with |
| 31 // |accelerator|. |
| 32 virtual bool CanSwitchIme(const ui::Accelerator& accelerator) = 0; |
| 33 |
| 34 // Switches to the IME associated with |accelerator|. |
| 35 virtual void HandleSwitchIme(const ui::Accelerator& accelerator) = 0; |
| 36 }; |
| 37 |
| 38 } // namespace ash |
| 39 |
| 40 #endif // ASH_IME_CONTROL_DELEGATE_H_ |
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