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#ifndef HTMLStyleElement_h
24#define HTMLStyleElement_h
25
26#include "HTMLElement.h"
27#include "InlineStyleSheetOwner.h"
28
29namespace WebCore {
30
31class HTMLStyleElement;
32class StyleSheet;
33
34template<typename T> class EventSender;
35typedef EventSender<HTMLStyleElement> StyleEventSender;
36
37class HTMLStyleElement final : public HTMLElement {
38public:
39    static PassRefPtr<HTMLStyleElement> create(const QualifiedName&, Document&, bool createdByParser);
40    virtual ~HTMLStyleElement();
41
42    CSSStyleSheet* sheet() const { return m_styleSheetOwner.sheet(); }
43
44    bool disabled() const;
45    void setDisabled(bool);
46
47    void dispatchPendingEvent(StyleEventSender*);
48    static void dispatchPendingLoadEvents();
49
50private:
51    HTMLStyleElement(const QualifiedName&, Document&, bool createdByParser);
52
53    // overload from HTMLElement
54    virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
55    virtual InsertionNotificationRequest insertedInto(ContainerNode&) override;
56    virtual void removedFrom(ContainerNode&) override;
57    virtual void childrenChanged(const ChildChange&) override;
58
59    virtual void finishParsingChildren() override;
60
61    virtual bool isLoading() const { return m_styleSheetOwner.isLoading(); }
62    virtual bool sheetLoaded() override { return m_styleSheetOwner.sheetLoaded(document()); }
63    virtual void notifyLoadedSheetAndAllCriticalSubresources(bool errorOccurred) override;
64    virtual void startLoadingDynamicSheet() override { m_styleSheetOwner.startLoadingDynamicSheet(document()); }
65
66    virtual void addSubresourceAttributeURLs(ListHashSet<URL>&) const override;
67
68    InlineStyleSheetOwner m_styleSheetOwner;
69    bool m_firedLoad;
70    bool m_loadedSheet;
71};
72
73NODE_TYPE_CASTS(HTMLStyleElement)
74
75} //namespace
76
77#endif
78