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/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_FINDER_H_
#define WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_FINDER_H_
#include "webrtc/modules/desktop_capture/desktop_capture_types.h"
#include "webrtc/modules/desktop_capture/desktop_geometry.h"
namespace webrtc {
// An interface to return the id of the visible window under a certain point.
class WindowFinder {
public:
WindowFinder() = default;
virtual ~WindowFinder() = default;
// Returns the id of the visible window under |point|. This function returns
// kNullWindowId if no window is under |point| and the platform does not have
// "root window" concept, i.e. the visible area under |point| is the desktop.
virtual WindowId GetWindowUnderPoint(DesktopVector point) = 0;
};
} // namespace webrtc
#endif // WEBRTC_MODULES_DESKTOP_CAPTURE_WINDOW_FINDER_H_