1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
4 * Copyright (C) 2013 Google 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 <wtf/Forward.h>
26#include <wtf/HashMap.h>
27#include <wtf/HashSet.h>
28#include <wtf/RefPtr.h>
29
30namespace WebCore {
31
32class CSSStyleRule;
33class CSSStyleSheet;
34class ExtensionStyleSheets;
35class StyleRule;
36class StyleSheetContents;
37
38namespace Style {
39class Scope;
40}
41
42class InspectorCSSOMWrappers {
43public:
44 // WARNING. This will construct CSSOM wrappers for all style rules and cache them in a map for significant memory cost.
45 // It is here to support inspector. Don't use for any regular engine functions.
46 CSSStyleRule* getWrapperForRuleInSheets(StyleRule*);
47 void collectFromStyleSheetIfNeeded(CSSStyleSheet*);
48 void collectDocumentWrappers(ExtensionStyleSheets&);
49 void collectScopeWrappers(Style::Scope&);
50
51private:
52 template <class ListType>
53 void collect(ListType*);
54
55 void collectFromStyleSheetContents(StyleSheetContents*);
56 void collectFromStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&);
57 void maybeCollectFromStyleSheets(const Vector<RefPtr<CSSStyleSheet>>&);
58
59 HashMap<StyleRule*, RefPtr<CSSStyleRule>> m_styleRuleToCSSOMWrapperMap;
60 HashSet<RefPtr<CSSStyleSheet>> m_styleSheetCSSOMWrapperSet;
61};
62
63} // namespace WebCore
64