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      1 /*
      2  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2004, 2005 Rob Buis <buis (at) 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/loader/cache/ImageResource.h"
     25 #include "core/loader/cache/ResourcePtr.h"
     26 #include "core/platform/graphics/ImageBuffer.h"
     27 #include "core/svg/SVGAnimatedBoolean.h"
     28 #include "core/svg/SVGAnimatedPreserveAspectRatio.h"
     29 #include "core/svg/SVGExternalResourcesRequired.h"
     30 #include "core/svg/SVGFilterPrimitiveStandardAttributes.h"
     31 #include "core/svg/SVGURIReference.h"
     32 #include "core/svg/graphics/filters/SVGFEImage.h"
     33 
     34 namespace WebCore {
     35 
     36 class SVGFEImageElement FINAL : public SVGFilterPrimitiveStandardAttributes,
     37                                 public SVGURIReference,
     38                                 public SVGExternalResourcesRequired,
     39                                 public ImageResourceClient {
     40 public:
     41     static PassRefPtr<SVGFEImageElement> create(const QualifiedName&, Document*);
     42 
     43     virtual ~SVGFEImageElement();
     44 
     45 private:
     46     SVGFEImageElement(const QualifiedName&, Document*);
     47 
     48     bool isSupportedAttribute(const QualifiedName&);
     49     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
     50     virtual void svgAttributeChanged(const QualifiedName&);
     51     virtual void notifyFinished(Resource*);
     52 
     53     virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
     54     virtual PassRefPtr<FilterEffect> build(SVGFilterBuilder*, Filter*);
     55 
     56     void clearResourceReferences();
     57     void requestImageResource();
     58 
     59     virtual void buildPendingResource();
     60     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     61     virtual void removedFrom(ContainerNode*) OVERRIDE;
     62 
     63     BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGFEImageElement)
     64         DECLARE_ANIMATED_PRESERVEASPECTRATIO(PreserveAspectRatio, preserveAspectRatio)
     65         DECLARE_ANIMATED_STRING(Href, href)
     66         DECLARE_ANIMATED_BOOLEAN(ExternalResourcesRequired, externalResourcesRequired)
     67     END_DECLARE_ANIMATED_PROPERTIES
     68 
     69     ResourcePtr<ImageResource> m_cachedImage;
     70 };
     71 
     72 } // namespace WebCore
     73 
     74 #endif
     75