--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/graphics/svg/SVGResource.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef SVGResource_h
+#define SVGResource_h
+
+#if ENABLE(SVG)
+
+#include "PlatformString.h"
+#include "Shared.h"
+#include "StringHash.h"
+
+#include <wtf/HashMap.h>
+#include <wtf/HashSet.h>
+
+namespace WebCore {
+
+    class AtomicString; 
+    class Document;
+    class RenderPath;
+    class SVGDocumentExtensions;
+    class SVGStyledElement;
+    class TextStream;
+
+    enum SVGResourceType {
+        // Painting mode
+        ClipperResourceType = 0,
+        MarkerResourceType = 1,
+        ImageResourceType = 2,
+        FilterResourceType = 3,
+        MaskerResourceType = 4
+    };
+
+    // The SVGResource file represent various graphics resources:
+    // - Filter resource
+    // - Clipper resource
+    // - Masker resource
+    // - Marker resource
+    // - Pattern resource
+    // - Linear/Radial gradient resource
+    //
+    // SVG creates/uses these resources.
+
+    class SVGResource : public Shared<SVGResource> {
+    public:
+        SVGResource();
+        virtual ~SVGResource();
+      
+        virtual void invalidate();
+
+        void addClient(SVGStyledElement*);
+
+        void repaintClients() const;
+        static void repaintClients(HashSet<SVGStyledElement*>);
+
+        virtual bool isPaintServer() const { return false; }
+        virtual bool isFilter() const { return false; }
+        virtual bool isClipper() const { return false; }
+        virtual bool isMarker() const { return false; }
+        virtual bool isMasker() const { return false; }
+
+        virtual TextStream& externalRepresentation(TextStream&) const;
+
+    private:
+        HashSet<SVGStyledElement*> m_clients;
+    };
+
+    SVGResource* getResourceById(Document*, const AtomicString&);
+
+    TextStream& operator<<(TextStream&, const SVGResource&);
+
+} // namespace WebCore
+
+#endif
+
+#endif // SVGResource_h