Move resourceType() method to RenderSVGResourceContainer

Source/core/rendering/svg/RenderSVGResourceContainer.h

 /*
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #ifndef RenderSVGResourceContainer_h
 #define RenderSVGResourceContainer_h
 
 #include "core/rendering/svg/RenderSVGHiddenContainer.h"
 #include "core/rendering/svg/RenderSVGResource.h"
 #include "core/svg/SVGDocumentExtensions.h"
 
 namespace blink {
 
+enum RenderSVGResourceType {
+    MaskerResourceType,
+    MarkerResourceType,
+    PatternResourceType,
+    LinearGradientResourceType,
+    RadialGradientResourceType,
+    FilterResourceType,
+    ClipperResourceType
+};
+
 class RenderLayer;
 
 class RenderSVGResourceContainer : public RenderSVGHiddenContainer,
                                    public RenderSVGResource {
 public:
     explicit RenderSVGResourceContainer(SVGElement*);
     virtual ~RenderSVGResourceContainer();
 
     virtual void removeAllClientsFromCache(bool markForInvalidation = true) = 0;
     virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true) = 0;
 
     virtual void layout() override;
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override final;
     virtual bool isOfType(RenderObjectType type) const override { return type == RenderObjectSVGResourceContainer || RenderSVGHiddenContainer::isOfType(type); }
 
+    virtual RenderSVGResourceType resourceType() const = 0;
+
     void idChanged();
     void addClientRenderLayer(Node*);
     void addClientRenderLayer(RenderLayer*);
     void removeClientRenderLayer(RenderLayer*);
 
     void invalidateCacheAndMarkForLayout(SubtreeLayoutScope* = 0);
 
 protected:
     // When adding modes, make sure we don't overflow m_invalidationMask below.
     enum InvalidationMode {
@@ skipping 48 matching lines @@
 {
     if (RenderSVGResourceContainer* container = getRenderSVGResourceContainerById(treeScope, id)) {
         if (container->resourceType() == Renderer::s_resourceType)
             return static_cast<Renderer*>(container);
     }
     return 0;
 }
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderSVGResourceContainer, isSVGResourceContainer());
 
+#define DEFINE_RENDER_SVG_RESOURCE_TYPE_CASTS(thisType, typeName) \
+    DEFINE_TYPE_CASTS(thisType, RenderSVGResourceContainer, resource, resource->resourceType() == typeName, resource.resourceType() == typeName)
+
 }
 
 #endif