1/*
2 * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
3 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
4 * Copyright (C) 2013 Samsung Electronics. All rights reserved.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB.  If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22// Introduced in DOM Level 3:
23[
24    EventConstructor,
25] interface WheelEvent : MouseEvent {
26    // DeltaModeCode
27    const unsigned long              DOM_DELTA_PIXEL = 0x00;
28    const unsigned long              DOM_DELTA_LINE  = 0x01;
29    const unsigned long              DOM_DELTA_PAGE  = 0x02;
30
31    [InitializedByEventConstructor] readonly attribute double deltaX;
32    [InitializedByEventConstructor] readonly attribute double deltaY;
33    [InitializedByEventConstructor] readonly attribute double deltaZ;
34    [InitializedByEventConstructor] readonly attribute unsigned long deltaMode;
35
36    // Non standard API.
37    [InitializedByEventConstructor] readonly attribute long wheelDeltaX;
38    [InitializedByEventConstructor] readonly attribute long wheelDeltaY;
39    readonly attribute long wheelDelta;
40
41    // WebKit Extension
42    [MeasureAs=PrefixedWheelEventDirectionInvertedFromDevice]
43    readonly attribute boolean webkitDirectionInvertedFromDevice;
44
45    [MeasureAs=PrefixedWheelEventInit]
46    void initWebKitWheelEvent([Default=Undefined] optional long wheelDeltaX,
47                              [Default=Undefined] optional long wheelDeltaY,
48                              [Default=Undefined] optional Window view,
49                              [Default=Undefined] optional long screenX,
50                              [Default=Undefined] optional long screenY,
51                              [Default=Undefined] optional long clientX,
52                              [Default=Undefined] optional long clientY,
53                              [Default=Undefined] optional boolean ctrlKey,
54                              [Default=Undefined] optional boolean altKey,
55                              [Default=Undefined] optional boolean shiftKey,
56                              [Default=Undefined] optional boolean metaKey);
57};
58