--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/RenderSVGContainer.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,172 @@
+/*
+    Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
+                  2004, 2005, 2007, 2008 Rob Buis <buis@kde.org>
+                  2007 Eric Seidel <eric@webkit.org>
+    Copyright (C) 2009 Google, Inc.  All rights reserved.
+                  2009 Dirk Schulze <krit@webkit.org>
+
+    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
+    aint 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.
+*/
+
+#include "config.h"
+
+#if ENABLE(SVG)
+#include "RenderSVGContainer.h"
+
+#include "GraphicsContext.h"
+#include "RenderSVGResourceFilter.h"
+#include "RenderView.h"
+#include "SVGRenderSupport.h"
+#include "SVGStyledElement.h"
+
+namespace WebCore {
+
+RenderSVGContainer::RenderSVGContainer(SVGStyledElement* node)
+    : RenderSVGModelObject(node)
+    , m_drawsContents(true)
+{
+}
+
+void RenderSVGContainer::layout()
+{
+    ASSERT(needsLayout());
+
+    // RenderSVGRoot disables layoutState for the SVG rendering tree.
+    ASSERT(!view()->layoutStateEnabled());
+
+    // Allow RenderSVGViewportContainer to update its viewport.
+    calcViewport();
+
+    LayoutRepainter repainter(*this, m_everHadLayout && checkForRepaintDuringLayout());
+
+    // Allow RenderSVGTransformableContainer to update its transform.
+    calculateLocalTransform();
+
+    SVGRenderSupport::layoutChildren(this, selfNeedsLayout());
+
+    // Invalidate all resources of this client, if we changed something.
+    if (m_everHadLayout && selfNeedsLayout())
+        RenderSVGResource::invalidateAllResourcesOfRenderer(this);
+
+    repainter.repaintAfterLayout();
+    setNeedsLayout(false);
+}
+
+bool RenderSVGContainer::selfWillPaint() const
+{
+#if ENABLE(FILTERS)
+    const SVGRenderStyle* svgStyle = style()->svgStyle();
+    RenderSVGResourceFilter* filter = getRenderSVGResourceById<RenderSVGResourceFilter>(document(), svgStyle->filterResource());
+    if (filter)
+        return true;
+#endif
+    return false;
+}
+
+void RenderSVGContainer::paint(PaintInfo& paintInfo, int, int)
+{
+    if (paintInfo.context->paintingDisabled() || !drawsContents())
+        return;
+
+    // Spec: groups w/o children still may render filter content.
+    if (!firstChild() && !selfWillPaint())
+        return;
+
+    PaintInfo childPaintInfo(paintInfo);
+    childPaintInfo.context->save();
+
+    // Let the RenderSVGViewportContainer subclass clip if necessary
+    applyViewportClip(childPaintInfo);
+
+    childPaintInfo.applyTransform(localToParentTransform());
+
+    bool continueRendering = true;
+    if (childPaintInfo.phase == PaintPhaseForeground)
+        continueRendering = SVGRenderSupport::prepareToRenderSVGContent(this, childPaintInfo);
+
+    if (continueRendering) {
+        childPaintInfo.updatePaintingRootForChildren(this);
+        for (RenderObject* child = firstChild(); child; child = child->nextSibling())
+            child->paint(childPaintInfo, 0, 0);
+    }
+
+    if (paintInfo.phase == PaintPhaseForeground)
+        SVGRenderSupport::finishRenderSVGContent(this, childPaintInfo, paintInfo.context);
+
+    childPaintInfo.context->restore();
+
+    // FIXME: This really should be drawn from local coordinates, but currently we hack it
+    // to avoid our clip killing our outline rect.  Thus we translate our
+    // outline rect into parent coords before drawing.
+    // FIXME: This means our focus ring won't share our rotation like it should.
+    // We should instead disable our clip during PaintPhaseOutline
+    if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth() && style()->visibility() == VISIBLE) {
+        IntRect paintRectInParent = enclosingIntRect(localToParentTransform().mapRect(repaintRectInLocalCoordinates()));
+        paintOutline(paintInfo.context, paintRectInParent.x(), paintRectInParent.y(), paintRectInParent.width(), paintRectInParent.height());
+    }
+}
+
+// addFocusRingRects is called from paintOutline and needs to be in the same coordinates as the paintOuline call
+void RenderSVGContainer::addFocusRingRects(Vector<IntRect>& rects, int, int)
+{
+    IntRect paintRectInParent = enclosingIntRect(localToParentTransform().mapRect(repaintRectInLocalCoordinates()));
+    if (!paintRectInParent.isEmpty())
+        rects.append(paintRectInParent);
+}
+
+FloatRect RenderSVGContainer::objectBoundingBox() const
+{
+    return SVGRenderSupport::computeContainerBoundingBox(this, SVGRenderSupport::ObjectBoundingBox);
+}
+
+FloatRect RenderSVGContainer::strokeBoundingBox() const
+{
+    return SVGRenderSupport::computeContainerBoundingBox(this, SVGRenderSupport::StrokeBoundingBox);
+}
+
+FloatRect RenderSVGContainer::repaintRectInLocalCoordinates() const
+{
+    FloatRect repaintRect = SVGRenderSupport::computeContainerBoundingBox(this, SVGRenderSupport::RepaintBoundingBox);
+    SVGRenderSupport::intersectRepaintRectWithResources(this, repaintRect);
+    return repaintRect;
+}
+
+bool RenderSVGContainer::nodeAtFloatPoint(const HitTestRequest& request, HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction)
+{
+    // Give RenderSVGViewportContainer a chance to apply its viewport clip
+    if (!pointIsInsideViewportClip(pointInParent))
+        return false;
+
+    FloatPoint localPoint = localToParentTransform().inverse().mapPoint(pointInParent);
+
+    if (!SVGRenderSupport::pointInClippingArea(this, localPoint))
+        return false;
+                
+    for (RenderObject* child = lastChild(); child; child = child->previousSibling()) {
+        if (child->nodeAtFloatPoint(request, result, localPoint, hitTestAction)) {
+            updateHitTestResult(result, roundedIntPoint(localPoint));
+            return true;
+        }
+    }
+
+    // Spec: Only graphical elements can be targeted by the mouse, period.
+    // 16.4: "If there are no graphics elements whose relevant graphics content is under the pointer (i.e., there is no target element), the event is not dispatched."
+    return false;
+}
+
+}
+
+#endif // ENABLE(SVG)