--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderSVGResource.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) Research In Motion Limited 2009-2010. 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 RenderSVGResource_h
+#define RenderSVGResource_h
+
+#if ENABLE(SVG)
+#include "SVGDocumentExtensions.h"
+
+namespace WebCore {
+
+enum RenderSVGResourceType {
+    MaskerResourceType,
+    MarkerResourceType,
+    PatternResourceType,
+    LinearGradientResourceType,
+    RadialGradientResourceType,
+    SolidColorResourceType,
+    FilterResourceType,
+    ClipperResourceType
+};
+
+enum RenderSVGResourceMode {
+    ApplyToDefaultMode = 1 << 0, // used for all resources except gradient/pattern
+    ApplyToFillMode    = 1 << 1,
+    ApplyToStrokeMode  = 1 << 2,
+    ApplyToTextMode    = 1 << 3 // used in combination with ApplyTo{Fill|Stroke}Mode
+};
+
+class Color;
+class FloatRect;
+class GraphicsContext;
+class RenderObject;
+class RenderStyle;
+class RenderSVGResourceSolidColor;
+
+class RenderSVGResource {
+public:
+    RenderSVGResource() { }
+    virtual ~RenderSVGResource() { }
+
+    virtual void invalidateClients() = 0;
+    virtual void invalidateClient(RenderObject*) = 0;
+
+    virtual bool applyResource(RenderObject*, RenderStyle*, GraphicsContext*&, unsigned short resourceMode) = 0;
+    virtual void postApplyResource(RenderObject*, GraphicsContext*&, unsigned short) { }
+    virtual FloatRect resourceBoundingBox(RenderObject*) = 0;
+
+    virtual RenderSVGResourceType resourceType() const = 0;
+
+    template<class Renderer>
+    Renderer* cast()
+    {
+        if (Renderer::s_resourceType == resourceType())
+            return static_cast<Renderer*>(this);
+
+        return 0;
+    }
+
+    // Helper utilities used in the render tree to access resources used for painting shapes/text (gradients & patterns only)
+    static RenderSVGResource* fillPaintingResource(const RenderObject*, const RenderStyle*);
+    static RenderSVGResource* strokePaintingResource(const RenderObject*, const RenderStyle*);
+    static RenderSVGResourceSolidColor* sharedSolidPaintingResource();
+
+    static void invalidateAllResourcesOfRenderer(RenderObject*);
+    static void markForLayoutAndParentResourceInvalidation(RenderObject*, bool needsLayout = true);
+
+private:
+    static void adjustColorForPseudoRules(const RenderStyle*, bool useFillPaint, Color&);
+    
+protected:
+    void markForLayoutAndResourceInvalidation(RenderObject*, bool needsBoundariesUpdate = true);
+};
+
+}
+
+#endif
+#endif