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// Copyright (c) 2012 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 UI_AURA_CLIENT_CAPTURE_CLIENT_H_
#define UI_AURA_CLIENT_CAPTURE_CLIENT_H_
#include "ui/aura/aura_export.h"
namespace aura {
class RootWindow;
class Window;
namespace client {
// An interface implemented by an object that manages input capture.
class AURA_EXPORT CaptureClient {
public:
// Does a capture on the |window|.
virtual void SetCapture(Window* window) = 0;
// Releases a capture from the |window|.
virtual void ReleaseCapture(Window* window) = 0;
// Returns the current capture window.
virtual Window* GetCaptureWindow() = 0;
protected:
virtual ~CaptureClient() {}
};
// Sets/Gets the capture client on the RootWindow.
AURA_EXPORT void SetCaptureClient(RootWindow* root_window,
CaptureClient* client);
AURA_EXPORT CaptureClient* GetCaptureClient(RootWindow* root_window);
// A utility function to get the current capture window. Returns NULL
// if the window doesn't have a root window, or there is no capture window.
AURA_EXPORT Window* GetCaptureWindow(Window* window);
} // namespace clients
} // namespace aura
#endif // UI_AURA_CLIENT_CAPTURE_CLIENT_H_
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