widget/nsIScreenManager.idl

   1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsISupports.idl"
   8 #include "nsIScreen.idl"
   9
  10 %{C++
  11 #include "nsCOMPtr.h"
  12 %}
  13
  14 [scriptable, uuid(e8a96e60-6b61-4a14-bacc-53891604b502)]
  15 interface nsIScreenManager : nsISupports
  16 {
  17   // Returns the screen that contains the rectangle. If the rect overlaps
  18   // multiple screens, it picks the screen with the greatest area of intersection.
  19   //
  20   // The coordinates are in pixels (not twips) and in screen coordinates.
  21   nsIScreen screenForRect(in long left, in long top, in long width, in long height) ;
  22
  23 %{C++
  24   already_AddRefed<nsIScreen> ScreenForRect(const mozilla::DesktopIntRect& aRect) {
  25     nsCOMPtr<nsIScreen> screen;
  26     ScreenForRect(aRect.x, aRect.y, aRect.width, aRect.height, getter_AddRefs(screen));
  27     return screen.forget();
  28   }
  29 %}
  30
  31   // The screen with the menubar/taskbar. This shouldn't be needed very often.
  32   readonly attribute nsIScreen primaryScreen;
  33
  34   // The total number of pixels across all monitors.
  35   readonly attribute int64_t totalScreenPixels;
  36 };