/*
 * Copyright (C) 2020 Igalia S.L. 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
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 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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 */ 

[
    EnabledAtRuntime=WebXR,
    Conditional=WEBXR,
    Exposed=Window,
    InterfaceName=XRTest,
    NoInterfaceObject
] interface WebXRTest {
    // Simulates connecting a device to the system.
    // Used to instantiate a fake device for use in tests.
    [CallWith=ScriptExecutionContext] Promise<WebFakeXRDevice> simulateDeviceConnection(FakeXRDeviceInit init);

    // Simulates a user activation (aka user gesture) for the current scope.
    // The activation is only guaranteed to be valid in the provided function and only applies to WebXR
    // Device API methods.
    [CallWith=Document] void simulateUserActivation(XRSimulateUserActivationFunction f);

    // Disconnect all fake devices
    Promise<void> disconnectAllDevices();
};

[
    EnabledAtRuntime=WebXR,
    Conditional=WEBXR,
] dictionary FakeXRDeviceInit {
    // Deprecated - use `supportedModes` instead.
    required boolean supportsImmersive;
    // Sequence of modes that should be supported by this device.
    sequence<XRSessionMode> supportedModes;
    required sequence<FakeXRViewInit> views;

    // https://immersive-web.github.io/webxr/#feature-name
    // The list of feature names that this device supports.
    // Any requests for features not in this list should be rejected, with the exception of those
    // that are guaranteed regardless of device availability (e.g. 'viewer').
    // If not specified/empty, the device supports no features.
    // NOTE: This is meant to emulate hardware support, not whether a feature is
    // currently available (e.g. bounds not being tracked per below)
    sequence<any> supportedFeatures;

    // The bounds coordinates. If empty, no bounded reference space is currently tracked.
    // If not, must have at least three elements.
    sequence<FakeXRBoundsPoint> boundsCoordinates;

    // A transform used to identify the physical position of the user's floor.
    // If not set, indicates that the device cannot identify the physical floor.
    FakeXRRigidTransformInit floorOrigin;

    // native origin of the viewer
    // If not set, the device is currently assumed to not be tracking, and xrFrame.getViewerPose should
    // not return a pose.
    //
    // This sets the viewer origin *shortly after* initialization; since the viewer origin at initialization
    // is used to provide a reference origin for all matrices.
    FakeXRRigidTransformInit viewerOrigin;
};