third_party/WebKit/Source/core/svg/SVGFEImageElement.h

   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 #include "platform/heap/Handle.h"
  32
  33 namespace blink {
  34
  35 class SVGFEImageElement final : public SVGFilterPrimitiveStandardAttributes,
  36                                 public SVGURIReference,
  37                                 public ImageResourceClient {
  38     DEFINE_WRAPPERTYPEINFO();
  39     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SVGFEImageElement);
  40 public:
  41     DECLARE_NODE_FACTORY(SVGFEImageElement);
  42
  43     bool currentFrameHasSingleSecurityOrigin() const;
  44
  45     ~SVGFEImageElement() override;
  46     SVGAnimatedPreserveAspectRatio* preserveAspectRatio() { return m_preserveAspectRatio.get(); }
  47
  48     // Promptly remove as a ImageResource client.
  49     EAGERLY_FINALIZE();
  50     DECLARE_VIRTUAL_TRACE();
  51
  52 private:
  53     explicit SVGFEImageElement(Document&);
  54
  55     void svgAttributeChanged(const QualifiedName&) override;
  56     void notifyFinished(Resource*) override;
  57
  58     PassRefPtrWillBeRawPtr<FilterEffect> build(SVGFilterBuilder*, Filter*) override;
  59
  60     void clearResourceReferences();
  61     void fetchImageResource();
  62
  63     void buildPendingResource() override;
  64     InsertionNotificationRequest insertedInto(ContainerNode*) override;
  65     void removedFrom(ContainerNode*) override;
  66
  67     RefPtrWillBeMember<SVGAnimatedPreserveAspectRatio> m_preserveAspectRatio;
  68
  69     ResourcePtr<ImageResource> m_cachedImage;
  70 };
  71
  72 } // namespace blink
  73
  74 #endif // SVGFEImageElement_h