1 files changed, 95 insertions, 0 deletions
diff --git a/Source/WebCore/rendering/RenderSVGResourceContainer.h b/Source/WebCore/rendering/RenderSVGResourceContainer.h
new file mode 100644
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+++ b/Source/WebCore/rendering/RenderSVGResourceContainer.h
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+/*
+ * 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
+
+#if ENABLE(SVG)
+#include "RenderSVGHiddenContainer.h"
+#include "RenderSVGResource.h"
+
+namespace WebCore {
+
+class RenderSVGResourceContainer : public RenderSVGHiddenContainer,
+                                   public RenderSVGResource {
+public:
+    RenderSVGResourceContainer(SVGStyledElement*);
+    virtual ~RenderSVGResourceContainer();
+
+    virtual void layout();
+    virtual void destroy();
+    virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle);
+
+    virtual bool isSVGResourceContainer() const { return true; }
+    virtual RenderSVGResourceContainer* toRenderSVGResourceContainer() { return this; }
+
+    static AffineTransform transformOnNonScalingStroke(RenderObject*, const AffineTransform& resourceTransform);
+
+    void idChanged();
+
+protected:
+    enum InvalidationMode {
+        LayoutAndBoundariesInvalidation,
+        BoundariesInvalidation,
+        RepaintInvalidation,
+        ParentOnlyInvalidation
+    };
+
+    // Used from the invalidateClient/invalidateClients methods from classes, inheriting from us.
+    void markAllClientsForInvalidation(InvalidationMode);
+    void markClientForInvalidation(RenderObject*, InvalidationMode);
+
+private:
+    friend class SVGResourcesCache;
+    void addClient(RenderObject*);
+    void removeClient(RenderObject*);
+
+private:
+    void registerResource();
+
+    AtomicString m_id;
+    bool m_registered;
+    HashSet<RenderObject*> m_clients;
+};
+
+inline RenderSVGResourceContainer* getRenderSVGResourceContainerById(Document* document, const AtomicString& id)
+{
+    if (id.isEmpty())
+        return 0;
+
+    if (RenderSVGResourceContainer* renderResource = document->accessSVGExtensions()->resourceById(id))
+        return renderResource;
+
+    return 0;
+}
+
+template<typename Renderer>
+Renderer* getRenderSVGResourceById(Document* document, const AtomicString& id)
+{
+    if (RenderSVGResourceContainer* container = getRenderSVGResourceContainerById(document, id))
+        return container->cast<Renderer>();
+
+    return 0;
+}
+
+}
+
+#endif
+#endif