Move paint code from RenderSVGForeignObject to SVGForeignObjectPainter

Source/core/rendering/svg/RenderSVGForeignObject.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2009 Google, Inc.
  * 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.
  */
 
 #include "config.h"
 
 #include "core/rendering/svg/RenderSVGForeignObject.h"
 
+#include "core/paint/SVGForeignObjectPainter.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/RenderView.h"
 #include "core/rendering/svg/SVGRenderSupport.h"
-#include "core/rendering/svg/SVGRenderingContext.h"
 #include "core/rendering/svg/SVGResourcesCache.h"
 #include "core/svg/SVGForeignObjectElement.h"
-#include "platform/graphics/GraphicsContextStateSaver.h"
 
 namespace blink {
 
 RenderSVGForeignObject::RenderSVGForeignObject(SVGForeignObjectElement* node)
     : RenderSVGBlock(node)
     , m_needsTransformUpdate(true)
 {
 }
 
 RenderSVGForeignObject::~RenderSVGForeignObject()
 {
 }
 
 bool RenderSVGForeignObject::isChildAllowed(RenderObject* child, RenderStyle* style) const
 {
     // Disallow arbitary SVG content. Only allow proper <svg xmlns="svgNS"> subdocuments.
     return !child->isSVG() || child->isSVGRoot();
 }
 
 void RenderSVGForeignObject::paint(PaintInfo& paintInfo, const LayoutPoint&)
 {
-    if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection)
-        return;
-
-    PaintInfo childPaintInfo(paintInfo);
-    GraphicsContextStateSaver stateSaver(*childPaintInfo.context);
-    childPaintInfo.applyTransform(localTransform());
-
-    if (SVGRenderSupport::isOverflowHidden(this))
-        childPaintInfo.context->clip(m_viewport);
-
-    SVGRenderingContext renderingContext;
-    bool continueRendering = true;
-    if (paintInfo.phase == PaintPhaseForeground) {
-        renderingContext.prepareToRenderSVGContent(this, childPaintInfo);
-        continueRendering = renderingContext.isRenderingPrepared();
-    }
-
-    if (continueRendering) {
-        // Paint all phases of FO elements atomically, as though the FO element established its
-        // own stacking context.
-        bool preservePhase = paintInfo.phase == PaintPhaseSelection || paintInfo.phase == PaintPhaseTextClip;
-        LayoutPoint childPoint = IntPoint();
-        childPaintInfo.phase = preservePhase ? paintInfo.phase : PaintPhaseBlockBackground;
-        RenderBlock::paint(childPaintInfo, IntPoint());
-        if (!preservePhase) {
-            childPaintInfo.phase = PaintPhaseChildBlockBackgrounds;
-            RenderBlock::paint(childPaintInfo, childPoint);
-            childPaintInfo.phase = PaintPhaseFloat;
-            RenderBlock::paint(childPaintInfo, childPoint);
-            childPaintInfo.phase = PaintPhaseForeground;
-            RenderBlock::paint(childPaintInfo, childPoint);
-            childPaintInfo.phase = PaintPhaseOutline;
-            RenderBlock::paint(childPaintInfo, childPoint);
-        }
-    }
+    SVGForeignObjectPainter(*this).paint(paintInfo);
 }
 
 const AffineTransform& RenderSVGForeignObject::localToParentTransform() const
 {
     m_localToParentTransform = localTransform();
     m_localToParentTransform.translate(m_viewport.x(), m_viewport.y());
     return m_localToParentTransform;
 }
 
 void RenderSVGForeignObject::updateLogicalWidth()
@@ skipping 78 matching lines @@
         return false;
 
     // FOs establish a stacking context, so we need to hit-test all layers.
     HitTestLocation hitTestLocation(roundedLayoutPoint(localPoint));
     return RenderBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestForeground)
         || RenderBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestFloat)
         || RenderBlock::nodeAtPoint(request, result, hitTestLocation, LayoutPoint(), HitTestChildBlockBackgrounds);
 }
 
 }