/*
 * Copyright (C) 2006, 2007, 2009, 2011 Apple Inc. All rights reserved.
 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

// https://dom.spec.whatwg.org/#interface-event

[
    WillBeGarbageCollected,
    EventConstructor,
    Exposed=(Window,Worker)
] interface Event {
    readonly attribute DOMString type;
    readonly attribute EventTarget? target;
    readonly attribute EventTarget? currentTarget;

    const unsigned short NONE = 0;
    const unsigned short CAPTURING_PHASE = 1;
    const unsigned short AT_TARGET = 2;
    const unsigned short BUBBLING_PHASE = 3;
    readonly attribute unsigned short eventPhase;

    void stopPropagation();
    void stopImmediatePropagation();

    [InitializedByEventConstructor] readonly attribute boolean bubbles;
    [InitializedByEventConstructor] readonly attribute boolean cancelable;
    void preventDefault();
    readonly attribute boolean defaultPrevented;

    // FIXME: Implement the isTrusted attribute. crbug.com/334015
    // [Unforgeable] readonly attribute boolean isTrusted;
    readonly attribute DOMTimeStamp timeStamp;

    // FIXME: initEvent()'s arguments should not be optional.
    void initEvent([Default=Undefined] optional DOMString eventTypeArg,
                   [Default=Undefined] optional boolean canBubbleArg,
                   [Default=Undefined] optional boolean cancelableArg);

    // Shadow DOM
    // https://w3c.github.io/webcomponents/spec/shadow/#extensions-to-event-interface
    [MeasureAs=EventPath] readonly attribute EventTarget[] path;

    // Non-standard APIs
    const unsigned short MOUSEDOWN = 1;
    const unsigned short MOUSEUP   = 2;
    const unsigned short MOUSEOVER = 4;
    const unsigned short MOUSEOUT  = 8;
    const unsigned short MOUSEMOVE = 16;
    const unsigned short MOUSEDRAG = 32;
    const unsigned short CLICK     = 64;
    const unsigned short DBLCLICK  = 128;
    const unsigned short KEYDOWN   = 256;
    const unsigned short KEYUP     = 512;
    const unsigned short KEYPRESS  = 1024;
    const unsigned short DRAGDROP  = 2048;
    const unsigned short FOCUS     = 4096;
    const unsigned short BLUR      = 8192;
    const unsigned short SELECT    = 16384;
    const unsigned short CHANGE    = 32768;
    [MeasureAs=EventSrcElement] readonly attribute EventTarget srcElement;
    [MeasureAs=EventReturnValue, CallWith=ExecutionContext, ImplementedAs=legacyReturnValue] attribute boolean returnValue;
    [MeasureAs=EventCancelBubble] attribute boolean cancelBubble;
};
