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1 /*
2  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
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 #ifndef SVGFEImageElement_h
22 #define SVGFEImageElement_h
23 
24 #include "core/SVGNames.h"
25 #include "core/fetch/ImageResource.h"
26 #include "core/fetch/ImageResourceClient.h"
27 #include "core/fetch/ResourcePtr.h"
28 #include "core/svg/SVGAnimatedPreserveAspectRatio.h"
29 #include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
30 #include "core/svg/SVGURIReference.h"
31 
32 namespace blink {
33 
34 class SVGFEImageElement FINAL : public SVGFilterPrimitiveStandardAttributes,
35                                 public SVGURIReference,
36                                 public ImageResourceClient {
37     DEFINE_WRAPPERTYPEINFO();
38 public:
39     DECLARE_NODE_FACTORY(SVGFEImageElement);
40 
41     bool currentFrameHasSingleSecurityOrigin() const;
42 
43     virtual ~SVGFEImageElement();
preserveAspectRatio()44     SVGAnimatedPreserveAspectRatio* preserveAspectRatio() { return m_preserveAspectRatio.get(); }
45 
46 private:
47     explicit SVGFEImageElement(Document&);
48 
49     bool isSupportedAttribute(const QualifiedName&);
50     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
51     virtual void svgAttributeChanged(const QualifiedName&) OVERRIDE;
52     virtual void notifyFinished(Resource*) OVERRIDE;
53 
54     virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter*) OVERRIDE;
55 
56     void clearResourceReferences();
57     void fetchImageResource();
58 
59     virtual void buildPendingResource() OVERRIDE;
60     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
61     virtual void removedFrom(ContainerNode*) OVERRIDE;
62 
63     RefPtr<SVGAnimatedPreserveAspectRatio> m_preserveAspectRatio;
64 
65     ResourcePtr<ImageResource> m_cachedImage;
66 };
67 
68 } // namespace blink
69 
70 #endif // SVGFEImageElement_h
71