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| 1 // Copyright 2016 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_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_SCREENSHOT_OBSERVER_H_ |
| 6 #define ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_SCREENSHOT_OBSERVER_H_ |
| 7 |
| 8 #include "ash/ash_export.h" |
| 9 |
| 10 namespace ash { |
| 11 |
| 12 class ASH_EXPORT MaximizeModeScreenshotObserver { |
| 13 public: |
| 14 virtual ~MaximizeModeScreenshotObserver() {} |
| 15 |
| 16 // Notifies when screenshot is going to be taken by volume-down modifier + |
| 17 // power button accelerator combinations. It receives the volume value that |
| 18 // wants to be restored. |
| 19 virtual void OnWillTakeScreenshot(int volume_percent) = 0; |
| 20 |
| 21 // Notifies when screenshot is done. The implementation should restore the |
| 22 // output volume. |
| 23 virtual void OnDidTakeScreenshot() = 0; |
| 24 }; |
| 25 |
| 26 } // namespace ash |
| 27 |
| 28 #endif // ASH_COMMON_WM_MAXIMIZE_MODE_MAXIMIZE_MODE_SCREENSHOT_OBSERVER_H_ |
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