1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2007, 2010 Apple Inc. 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
23#pragma once
24
25#include "ActiveDOMObject.h"
26#include "HTMLElement.h"
27
28namespace WebCore {
29
30class RenderMarquee;
31
32class HTMLMarqueeElement final : public HTMLElement, private ActiveDOMObject {
33 WTF_MAKE_ISO_ALLOCATED(HTMLMarqueeElement);
34public:
35 static Ref<HTMLMarqueeElement> create(const QualifiedName&, Document&);
36
37 int minimumDelay() const;
38
39 WEBCORE_EXPORT void start();
40 WEBCORE_EXPORT void stop() final;
41
42 // Number of pixels to move on each scroll movement. Defaults to 6.
43 WEBCORE_EXPORT unsigned scrollAmount() const;
44 WEBCORE_EXPORT void setScrollAmount(unsigned);
45
46 // Interval between each scroll movement, in milliseconds. Defaults to 60.
47 WEBCORE_EXPORT unsigned scrollDelay() const;
48 WEBCORE_EXPORT void setScrollDelay(unsigned);
49
50 // Loop count. -1 means loop indefinitely.
51 WEBCORE_EXPORT int loop() const;
52 WEBCORE_EXPORT ExceptionOr<void> setLoop(int);
53
54private:
55 HTMLMarqueeElement(const QualifiedName&, Document&);
56
57 bool isPresentationAttribute(const QualifiedName&) const final;
58 void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStyleProperties&) final;
59
60 bool canSuspendForDocumentSuspension() const final;
61 void suspend(ReasonForSuspension) final;
62 void resume() final;
63 const char* activeDOMObjectName() const final { return "HTMLMarqueeElement"; }
64
65 RenderMarquee* renderMarquee() const;
66};
67
68} // namespace WebCore
69