1/*
2 *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURE_UTILS_H_
12#define WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURE_UTILS_H_
13
14#include "webrtc/modules/desktop_capture/screen_capturer.h"
15
16namespace webrtc {
17
18// Output the list of active screens into |screens|. Returns true if succeeded,
19// or false if it fails to enumerate the display devices.
20bool GetScreenList(ScreenCapturer::ScreenList* screens);
21
22// Returns true if |screen| is a valid screen. The screen device key is
23// returned through |device_key| if the screen is valid. The device key can be
24// used in GetScreenRect to verify the screen matches the previously obtained
25// id.
26bool IsScreenValid(ScreenId screen, std::wstring* device_key);
27
28// Get the rect of the screen identified by |screen|, relative to the primary
29// display's top-left. If the screen device key does not match |device_key|, or
30// the screen does not exist, or any error happens, an empty rect is returned.
31DesktopRect GetScreenRect(ScreenId screen, const std::wstring& device_key);
32
33}  // namespace webrtc
34
35#endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_SCREEN_CAPTURE_UTILS_H_
36