/*
 * Copyright (C) 2016 Apple 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. ``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
 * 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://dom.spec.whatwg.org/#documentorshadowroot
interface mixin DocumentOrShadowRoot {
    // Extensions from HTML (https://html.spec.whatwg.org/multipage/dom.html#documentorshadowroot)
    readonly attribute Element? activeElement;

    // FIXME: getSelection is currently defined only to be on Document in the Selection API spec
    // https://w3c.github.io/selection-api/#extensions-to-document-interface, but
    // previously had been defined to be on DocumentOrShadowRoot in the deprecated Shadow DOM spec
    // https://w3c.github.io/webcomponents/spec/shadow/#extensions-to-the-documentorshadowroot-mixin.
    // We should get this resolved in the Selection API spec and move this to the correct IDL files.
    // DOMSelection? getSelection();

    // FIXME: These are currently defined only to be on Document in the CSSOM spec
    // https://drafts.csswg.org/cssom-view/#extensions-to-the-document-interface, but
    // previously had been defined to be on DocumentOrShadowRoot in the deprecated Shadow DOM spec
    // https://w3c.github.io/webcomponents/spec/shadow/#extensions-to-the-documentorshadowroot-mixin.
    // We should get this resolved in the CSSOM spec and move these to the correct IDL files.
    Element? elementFromPoint(double x, double y);
    sequence<Element> elementsFromPoint(double x, double y);
    // CaretPosition? caretPositionFromPoint(double x, double y); // FIXME: Implement this.
};