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 UI_AURA_CLIENT_CAPTURE_DELEGATE_H_ 6 #define UI_AURA_CLIENT_CAPTURE_DELEGATE_H_ 7 8 #include "ui/aura/aura_export.h" 9 10 namespace aura { 11 class Window; 12 namespace client { 13 14 // This interface provides API to change the RootWindow's capture state 15 // without exposing them as RootWindow API. 16 class AURA_EXPORT CaptureDelegate { 17 public: 18 // Called when a capture is set on the |new_capture| which is owned by 19 // this root window, and/or a capture is released on the |old_capture| 20 // which is owned by this root window. 21 virtual void UpdateCapture(aura::Window* old_capture, 22 aura::Window* new_capture) = 0; 23 // Sets/Release a native capture on host windows. 24 virtual void SetNativeCapture() = 0; 25 virtual void ReleaseNativeCapture() = 0; 26 27 protected: 28 virtual ~CaptureDelegate() {} 29 }; 30 31 } // namespace client 32 } // namespace aura 33 34 #endif // UI_AURA_CLIENT_CAPTURE_DELEGATE_H_ 35