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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

interface nsIDOMWindow;

[scriptable, uuid(0462247e-fe8c-4aa5-b675-3752547e485f)]
interface nsIDeviceSensorData : nsISupports
{
  // Keep in sync with hal/HalSensor.h

  // 1. TYPE_ORIENTATION: absolute device orientation, not spec-conform and
  // deprecated on Android.
  // 2. TYPE_ROTATION_VECTOR: absolute device orientation affected by drift.
  // 3. TYPE_GAME_ROTATION_VECTOR: relative device orientation less affected by drift.
  // Preferred fallback priorities on Android are [3, 2, 1] for the general case
  // and [2, 1] if absolute orientation (compass heading) is required.
  const unsigned long TYPE_ORIENTATION = 0;
  const unsigned long TYPE_ACCELERATION = 1;
  const unsigned long TYPE_PROXIMITY = 2;
  const unsigned long TYPE_LINEAR_ACCELERATION = 3;
  const unsigned long TYPE_GYROSCOPE = 4;
  const unsigned long TYPE_LIGHT = 5;
  const unsigned long TYPE_ROTATION_VECTOR = 6;
  const unsigned long TYPE_GAME_ROTATION_VECTOR = 7;

  readonly attribute unsigned long type;

  readonly attribute double x;
  readonly attribute double y;
  readonly attribute double z;
};

[scriptable, uuid(e46e47c7-55ff-44c4-abce-21b14ba07f86)]
interface nsIDeviceSensors : nsISupports
{
  /**
   * Returns true if the given window has any listeners of the given type
   */
  bool hasWindowListener(in unsigned long aType, in nsIDOMWindow aWindow);

  // Holds pointers, not AddRef objects -- it is up to the caller
  // to call RemoveWindowListener before the window is deleted.

  [noscript] void addWindowListener(in unsigned long aType, in nsIDOMWindow aWindow);
  [noscript] void removeWindowListener(in unsigned long aType, in nsIDOMWindow aWindow);
  [noscript] void removeWindowAsListener(in nsIDOMWindow aWindow);
};

%{C++

#define NS_DEVICE_SENSORS_CID \
{ 0xecba5203, 0x77da, 0x465a, \
{ 0x86, 0x5e, 0x78, 0xb7, 0xaf, 0x10, 0xd8, 0xf7 } }

#define NS_DEVICE_SENSORS_CONTRACTID "@mozilla.org/devicesensors;1"

%}