1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * Copyright (C) 2003, 2010, 2013 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 "HTMLElement.h"
26#include "InlineStyleSheetOwner.h"
27
28namespace WebCore {
29
30class HTMLStyleElement;
31class StyleSheet;
32
33template<typename T> class EventSender;
34
35using StyleEventSender = EventSender<HTMLStyleElement>;
36
37class HTMLStyleElement final : public HTMLElement {
38 WTF_MAKE_ISO_ALLOCATED(HTMLStyleElement);
39public:
40 static Ref<HTMLStyleElement> create(Document&);
41 static Ref<HTMLStyleElement> create(const QualifiedName&, Document&, bool createdByParser);
42 virtual ~HTMLStyleElement();
43
44 CSSStyleSheet* sheet() const { return m_styleSheetOwner.sheet(); }
45
46 WEBCORE_EXPORT bool disabled() const;
47 WEBCORE_EXPORT void setDisabled(bool);
48
49 void dispatchPendingEvent(StyleEventSender*);
50 static void dispatchPendingLoadEvents();
51
52 void finishParsingChildren() final;
53
54private:
55 HTMLStyleElement(const QualifiedName&, Document&, bool createdByParser);
56
57 void parseAttribute(const QualifiedName&, const AtomicString&) final;
58 InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) final;
59 void removedFromAncestor(RemovalType, ContainerNode&) final;
60 void childrenChanged(const ChildChange&) final;
61
62 bool isLoading() const { return m_styleSheetOwner.isLoading(); }
63 bool sheetLoaded() final { return m_styleSheetOwner.sheetLoaded(*this); }
64 void notifyLoadedSheetAndAllCriticalSubresources(bool errorOccurred) final;
65 void startLoadingDynamicSheet() final { m_styleSheetOwner.startLoadingDynamicSheet(*this); }
66
67 void addSubresourceAttributeURLs(ListHashSet<URL>&) const final;
68
69 InlineStyleSheetOwner m_styleSheetOwner;
70 bool m_firedLoad { false };
71 bool m_loadedSheet { false };
72};
73
74} //namespace
75