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SVGResource.h
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1/*
2 * Copyright (C) 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
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 COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef SVGResource_h
27#define SVGResource_h
28
29#if ENABLE(SVG)
30#include "PlatformString.h"
31//#include "StringHash.h"
32
33#include <wtf/HashMap.h>
34#include <wtf/HashSet.h>
35#include <wtf/RefCounted.h>
36
37#include "Document.h"
38
39namespace WebCore {
40
41 //class AtomicString;
42 //class Document;
43 class SVGStyledElement;
44 //class TextStream;
45
46 enum SVGResourceType {
47 // Painting mode
48 ClipperResourceType = 0,
49 MarkerResourceType,
50 ImageResourceType,
51 FilterResourceType,
52 MaskerResourceType,
53 PaintServerResourceType,
54
55 // For resource tracking we need to know how many types of resource there are
56 _ResourceTypeCount
57 };
58
59 // The SVGResource file represent various graphics resources:
60 // - Filter resource
61 // - Clipper resource
62 // - Masker resource
63 // - Marker resource
64 // - Pattern resource
65 // - Linear/Radial gradient resource
66 //
67 // SVG creates/uses these resources.
68
69 class SVGResource : public RefCounted<SVGResource> {
70 public:
71 virtual ~SVGResource();
72
73 virtual void invalidate();
74
75 void addClient(SVGStyledElement*);
76 virtual SVGResourceType resourceType() const = 0;
77
78 bool isPaintServer() const { return resourceType() == PaintServerResourceType; }
79 bool isFilter() const { return resourceType() == FilterResourceType; }
80 bool isClipper() const { return resourceType() == ClipperResourceType; }
81 bool isMarker() const { return resourceType() == MarkerResourceType; }
82 bool isMasker() const { return resourceType() == MaskerResourceType; }
83
84 /*virtual TextStream& externalRepresentation(TextStream&) const;*/
85
86 static void invalidateClients(HashSet<SVGStyledElement*>);
87 static void removeClient(SVGStyledElement*);
88
89 protected:
90 SVGResource();
91
92 private:
93 HashSet<SVGStyledElement*> m_clients;
94 };
95
96 SVGResource* getResourceById(Document*, const AtomicString&);
97
98 /*TextStream& operator<<(TextStream&, const SVGResource&);*/
99
100} // namespace WebCore
101
102#endif
103#endif // SVGResource_h
PlatformString.h
WebCore
Definition: CSSHelper.h:7
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