1/*
2 *  Copyright (c) 2013 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_MAC_DESKTOP_CONFIGURATION_H_
12#define WEBRTC_MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_H_
13
14#include <ApplicationServices/ApplicationServices.h>
15#include <Carbon/Carbon.h>
16#include <vector>
17
18#include "webrtc/typedefs.h"
19#include "webrtc/modules/desktop_capture/desktop_geometry.h"
20
21namespace webrtc {
22
23// Describes the configuration of a specific display.
24struct MacDisplayConfiguration {
25  MacDisplayConfiguration();
26
27  // Cocoa identifier for this display.
28  CGDirectDisplayID id;
29
30  // Bounds of this display in Density-Independent Pixels (DIPs).
31  DesktopRect bounds;
32
33  // Bounds of this display in physical pixels.
34  DesktopRect pixel_bounds;
35
36  // Scale factor from DIPs to physical pixels.
37  float dip_to_pixel_scale;
38};
39
40typedef std::vector<MacDisplayConfiguration> MacDisplayConfigurations;
41
42// Describes the configuration of the whole desktop.
43struct MacDesktopConfiguration {
44  // Used to request bottom-up or top-down coordinates.
45  enum Origin { BottomLeftOrigin, TopLeftOrigin };
46
47  MacDesktopConfiguration();
48  ~MacDesktopConfiguration();
49
50  // Returns the desktop & display configurations in Cocoa-style "bottom-up"
51  // (the origin is the bottom-left of the primary monitor, and coordinates
52  // increase as you move up the screen) or Carbon-style "top-down" coordinates.
53  static MacDesktopConfiguration GetCurrent(Origin origin);
54
55  // Returns true if the given desktop configuration equals this one.
56  bool Equals(const MacDesktopConfiguration& other);
57
58  // Returns the pointer to the display configuration with the specified id.
59  const MacDisplayConfiguration* FindDisplayConfigurationById(
60      CGDirectDisplayID id);
61
62  // Bounds of the desktop excluding monitors with DPI settings different from
63  // the main monitor. In Density-Independent Pixels (DIPs).
64  DesktopRect bounds;
65
66  // Same as bounds, but expressed in physical pixels.
67  DesktopRect pixel_bounds;
68
69  // Scale factor from DIPs to physical pixels.
70  float dip_to_pixel_scale;
71
72  // Configurations of the displays making up the desktop area.
73  MacDisplayConfigurations displays;
74};
75
76}  // namespace webrtc
77
78#endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_H_
79