File: gamepad.idl

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/*
 * Copyright (C) 2011, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

// https://www.w3.org/TR/gamepad/#gamepadmappingtype-enum
enum GamepadMappingType {
  "",
  "standard",
  // https://immersive-web.github.io/webxr/#xr-standard-gamepad-mapping
  // Extended attributes are not supported for enum values.
  /* [RuntimeEnabled=WebXR] */ "xr-standard",
};

// https://w3c.github.io/gamepad/#gamepad-interface
[
    Exposed=Window
] interface Gamepad {
    [HighEntropy=Direct, MeasureAs=GamepadId] readonly attribute DOMString id;
    readonly attribute long index;
    readonly attribute boolean connected;
    readonly attribute DOMHighResTimeStamp timestamp;
    readonly attribute GamepadMappingType mapping;
    [CachedAttribute=isAxisDataDirty, MeasureAs=GamepadAxes] readonly attribute FrozenArray<double> axes;
    [CachedAttribute=isButtonDataDirty, MeasureAs=GamepadButtons] readonly attribute FrozenArray<GamepadButton> buttons;

    // Gamepad vibration is proposed as an extension to the Gamepad API.
    // https://github.com/w3c/gamepad/pull/68
    [MeasureAs=GamepadVibrationActuator] readonly attribute GamepadHapticActuator? vibrationActuator;

    // Gamepad vibration is proposed as an extension to the Gamepad API.
    // https://github.com/w3c/gamepad/pull/168
    [RuntimeEnabled=GamepadMultitouch, CachedAttribute=IsTouchDataDirty, MeasureAs=GamepadTouchEvents] readonly attribute FrozenArray<GamepadTouch>? touchEvents;

};