widget/public/nsIScreen.idl
author Alon Zakai <azakai@mozilla.com>
Tue, 21 Dec 2010 14:33:48 -0800
changeset 59570 d488f09f6f8d7652107ec264d51f7b04816afffa
parent 1 9b2a99adc05e53cd4010de512f50118594756650
permissions -rw-r--r--
Bug 616664 - nsIScreen interface for keeping the screen on. r=blassey sr=roc a=blocking-fennec

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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#include "nsISupports.idl"


[scriptable, uuid(f728830e-1dd1-11b2-9598-fb9f414f2465)]
interface nsIScreen : nsISupports
{
  void GetRect ( out long left, out long top, out long width, out long height );
  void GetAvailRect ( out long left, out long top, out long width, out long height );
  
  readonly attribute long pixelDepth;
  readonly attribute long colorDepth;  
};


%{ C++

%}

[scriptable, uuid(f7c93d20-c4e4-4628-b343-cb5530b04f15)]
interface nsIScreen_MOZILLA_2_0_BRANCH : nsISupports {
  /**
   * Levels of brightness for the screen, from off to full brightness.
   */
  const unsigned long BRIGHTNESS_DIM = 0;
  const unsigned long BRIGHTNESS_FULL = 1;

  /* The number of different brightness levels */
  const unsigned long BRIGHTNESS_LEVELS = 2;

  /**
   * Locks the minimum brightness of the screen, forcing it to be at
   * least as bright as a certain brightness level. Each call to this
   * function must eventually be followed by a corresponding call to
   * unlockMinimumBrightness, with the same brightness level.
   *
   * @param brightness A brightness level, one of the above constants.
   */
  void lockMinimumBrightness(in unsigned long brightness);

  /**
   * Releases a lock on the screen brightness. This must be called
   * (eventually) after a corresponding call to lockMinimumBrightness.
   *
   * @param brightness A brightness level, one of the above constants.
   */
  void unlockMinimumBrightness(in unsigned long brightness);
};