Move screen capturers from chromium to webrtc.

R=alexeypa@chromium.org, wez@chromium.org

Review URL: https://webrtc-codereview.appspot.com/1586005

git-svn-id: http://webrtc.googlecode.com/svn/trunk@4175 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/desktop_capture/mac/desktop_configuration.h

@@ -0,0 +1,70 @@
+/*
+ *  Copyright (c) 2013 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_MAC_DESKTOP_CONFIGURATION_H_
+#define WEBRTC_MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_H_
+
+#include <ApplicationServices/ApplicationServices.h>
+#include <Carbon/Carbon.h>
+#include <vector>
+
+#include "webrtc/typedefs.h"
+#include "webrtc/modules/desktop_capture/desktop_geometry.h"
+
+namespace webrtc {
+
+// Describes the configuration of a specific display.
+struct MacDisplayConfiguration {
+  MacDisplayConfiguration();
+
+  // Cocoa identifier for this display.
+  CGDirectDisplayID id;
+
+  // Bounds of this display in Density-Independent Pixels (DIPs).
+  DesktopRect bounds;
+
+  // Bounds of this display in physical pixels.
+  DesktopRect pixel_bounds;
+
+  // Scale factor from DIPs to physical pixels.
+  float dip_to_pixel_scale;
+};
+
+typedef std::vector<MacDisplayConfiguration> MacDisplayConfigurations;
+
+// Describes the configuration of the whole desktop.
+struct MacDesktopConfiguration {
+  // Used to request bottom-up or top-down coordinates.
+  enum Origin { BottomLeftOrigin, TopLeftOrigin };
+
+  MacDesktopConfiguration();
+  ~MacDesktopConfiguration();
+
+  // Returns the desktop & display configurations in Cocoa-style "bottom-up"
+  // (the origin is the bottom-left of the primary monitor, and coordinates
+  // increase as you move up the screen) or Carbon-style "top-down" coordinates.
+  static MacDesktopConfiguration GetCurrent(Origin origin);
+
+  // Bounds of the desktop in Density-Independent Pixels (DIPs).
+  DesktopRect bounds;
+
+  // Bounds of the desktop in physical pixels.
+  DesktopRect pixel_bounds;
+
+  // Scale factor from DIPs to physical pixels.
+  float dip_to_pixel_scale;
+
+  // Configurations of the displays making up the desktop area.
+  MacDisplayConfigurations displays;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_MAC_DESKTOP_CONFIGURATION_H_