1/*
2 * Copyright (C) 2015-2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(CONTENT_EXTENSIONS)
29
30#include "CSSStyleSheet.h"
31#include <wtf/HashSet.h>
32#include <wtf/Ref.h>
33#include <wtf/RefCounted.h>
34#include <wtf/text/WTFString.h>
35
36namespace WebCore {
37
38class Document;
39
40namespace ContentExtensions {
41
42class ContentExtensionStyleSheet : public RefCounted<ContentExtensionStyleSheet> {
43public:
44 static Ref<ContentExtensionStyleSheet> create(Document& document)
45 {
46 return adoptRef(*new ContentExtensionStyleSheet(document));
47 }
48 virtual ~ContentExtensionStyleSheet();
49
50 bool addDisplayNoneSelector(const String& selector, uint32_t selectorID);
51
52 CSSStyleSheet& styleSheet() { return m_styleSheet.get(); }
53
54private:
55 ContentExtensionStyleSheet(Document&);
56
57 Ref<CSSStyleSheet> m_styleSheet;
58 HashSet<uint32_t, DefaultHash<uint32_t>::Hash, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>> m_addedSelectorIDs;
59};
60
61} // namespace ContentExtensions
62} // namespace WebCore
63
64#endif // ENABLE(CONTENT_EXTENSIONS)
65