1/*
2 * Copyright (C) 2006 Rob Buis <buis@kde.org>
3 * Copyright (C) 2008 Apple Inc. All right reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB. If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#pragma once
22
23#include "CSSValue.h"
24#include "IntPoint.h"
25#include "ResourceLoaderOptions.h"
26#include <wtf/HashSet.h>
27
28namespace WebCore {
29
30class CachedImage;
31class CachedResourceLoader;
32class Document;
33class Element;
34class SVGCursorElement;
35class SVGElement;
36
37class CSSCursorImageValue final : public CSSValue {
38public:
39 static Ref<CSSCursorImageValue> create(Ref<CSSValue>&& imageValue, bool hasHotSpot, const IntPoint& hotSpot, LoadedFromOpaqueSource loadedFromOpaqueSource)
40 {
41 return adoptRef(*new CSSCursorImageValue(WTFMove(imageValue), hasHotSpot, hotSpot, loadedFromOpaqueSource));
42 }
43
44 ~CSSCursorImageValue();
45
46 bool hasHotSpot() const { return m_hasHotSpot; }
47
48 IntPoint hotSpot() const
49 {
50 if (m_hasHotSpot)
51 return m_hotSpot;
52 return IntPoint(-1, -1);
53 }
54
55 const URL& imageURL() const { return m_originalURL; }
56
57 String customCSSText() const;
58
59 std::pair<CachedImage*, float> loadImage(CachedResourceLoader&, const ResourceLoaderOptions&);
60
61 void removeReferencedElement(SVGElement*);
62
63 bool equals(const CSSCursorImageValue&) const;
64
65 void cursorElementRemoved(SVGCursorElement&);
66 void cursorElementChanged(SVGCursorElement&);
67
68private:
69 CSSCursorImageValue(Ref<CSSValue>&& imageValue, bool hasHotSpot, const IntPoint& hotSpot, LoadedFromOpaqueSource);
70
71 SVGCursorElement* updateCursorElement(const Document&);
72
73 URL m_originalURL;
74 Ref<CSSValue> m_imageValue;
75
76 bool m_hasHotSpot;
77 IntPoint m_hotSpot;
78 HashSet<SVGCursorElement*> m_cursorElements;
79 LoadedFromOpaqueSource m_loadedFromOpaqueSource { LoadedFromOpaqueSource::No };
80};
81
82} // namespace WebCore
83
84SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSCursorImageValue, isCursorImageValue())
85