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| 1 // Copyright 2013 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 CHROME_BROWSER_CHROMEOS_UI_ECHO_DIALOG_LISTENER_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_UI_ECHO_DIALOG_LISTENER_H_ |
| 7 |
| 8 namespace chromeos { |
| 9 |
| 10 // A listener interface for the EchoDialog, so an interested party can be |
| 11 // notified about changes to the dialog. It is provided during EchoDialog |
| 12 // construction. |
| 13 class EchoDialogListener { |
| 14 public: |
| 15 // Called when the EchoDialog is accepted. After call to this method, the |
| 16 // listener will not be invoked again. |
| 17 virtual void OnAccept() = 0; |
| 18 |
| 19 // Called when the EchoDialog is canceled. After call to this method, the |
| 20 // listener will not be invoked again. |
| 21 virtual void OnCancel() = 0; |
| 22 |
| 23 // Called when a link in the EchoDialog is clicked. |
| 24 virtual void OnMoreInfoLinkClicked() = 0; |
| 25 |
| 26 protected: |
| 27 virtual ~EchoDialogListener() {} |
| 28 }; |
| 29 |
| 30 } // namespace chromeos |
| 31 |
| 32 #endif // CHROME_BROWSER_CHROMEOS_UI_ECHO_DIALOG_LISTENER_H_ |
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