| // Copyright 2013 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_SYSTEM_SCREEN_SECURITY_SCREEN_CAPTURE_OBSERVER_H_ |
| #define ASH_SYSTEM_SCREEN_SECURITY_SCREEN_CAPTURE_OBSERVER_H_ |
| |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "base/strings/string16.h" |
| |
| namespace ash { |
| |
| class ScreenCaptureObserver { |
| public: |
| // Called when screen capture is started. |
| // |stop_callback| is a callback to stop the stream. |
| // |source_callback| is a callback to change the desktop capture source. |
| // These must be base::RepeatingCallbacks so that they can be passed to all |
| // observers. |
| virtual void OnScreenCaptureStart( |
| const base::RepeatingClosure& stop_callback, |
| const base::RepeatingClosure& source_callback, |
| const std::u16string& screen_capture_status) = 0; |
| |
| // Called when screen capture is stopped. |
| virtual void OnScreenCaptureStop() = 0; |
| |
| protected: |
| virtual ~ScreenCaptureObserver() {} |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_SYSTEM_SCREEN_SECURITY_SCREEN_CAPTURE_OBSERVER_H_ |