Moving RenderSVG* files from rendering/ to layout/

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/layout/HitTestResult.h"
-#include "core/layout/svg/SVGLayoutSupport.h"
-#include "core/layout/svg/SVGResourcesCache.h"
-#include "core/paint/SVGForeignObjectPainter.h"
-#include "core/rendering/RenderView.h"
-#include "core/svg/SVGForeignObjectElement.h"
-
-namespace blink {
-
-RenderSVGForeignObject::RenderSVGForeignObject(SVGForeignObjectElement* node)
-    : RenderSVGBlock(node)
-    , m_needsTransformUpdate(true)
-{
-}
-
-RenderSVGForeignObject::~RenderSVGForeignObject()
-{
-}
-
-bool RenderSVGForeignObject::isChildAllowed(LayoutObject* child, const LayoutStyle& style) const
-{
-    // Disallow arbitary SVG content. Only allow proper <svg xmlns="svgNS"> subdocuments.
-    return !child->isSVG() || child->isSVGRoot();
-}
-
-void RenderSVGForeignObject::paint(const PaintInfo& paintInfo, const LayoutPoint&)
-{
-    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()
-{
-    // FIXME: Investigate in size rounding issues
-    // FIXME: Remove unnecessary rounding when layout is off ints: webkit.org/b/63656
-    setWidth(static_cast<int>(roundf(m_viewport.width())));
-}
-
-void RenderSVGForeignObject::computeLogicalHeight(LayoutUnit, LayoutUnit logicalTop, LogicalExtentComputedValues& computedValues) const
-{
-    // FIXME: Investigate in size rounding issues
-    // FIXME: Remove unnecessary rounding when layout is off ints: webkit.org/b/63656
-    // FIXME: Is this correct for vertical writing mode?
-    computedValues.m_extent = static_cast<int>(roundf(m_viewport.height()));
-    computedValues.m_position = logicalTop;
-}
-
-void RenderSVGForeignObject::layout()
-{
-    ASSERT(needsLayout());
-
-    SVGForeignObjectElement* foreign = toSVGForeignObjectElement(node());
-
-    bool updateCachedBoundariesInParents = false;
-    if (m_needsTransformUpdate) {
-        m_localTransform = foreign->calculateAnimatedLocalTransform();
-        m_needsTransformUpdate = false;
-        updateCachedBoundariesInParents = true;
-    }
-
-    FloatRect oldViewport = m_viewport;
-
-    // Cache viewport boundaries
-    SVGLengthContext lengthContext(foreign);
-    FloatPoint viewportLocation(foreign->x()->currentValue()->value(lengthContext), foreign->y()->currentValue()->value(lengthContext));
-    m_viewport = FloatRect(viewportLocation, FloatSize(foreign->width()->currentValue()->value(lengthContext), foreign->height()->currentValue()->value(lengthContext)));
-    if (!updateCachedBoundariesInParents)
-        updateCachedBoundariesInParents = oldViewport != m_viewport;
-
-    // Set box origin to the foreignObject x/y translation, so positioned objects in XHTML content get correct
-    // positions. A regular RenderBoxModelObject would pull this information from LayoutStyle - in SVG those
-    // properties are ignored for non <svg> elements, so we mimic what happens when specifying them through CSS.
-
-    // FIXME: Investigate in location rounding issues - only affects RenderSVGForeignObject & LayoutSVGText
-    setLocation(roundedIntPoint(viewportLocation));
-
-    bool layoutChanged = everHadLayout() && selfNeedsLayout();
-    RenderBlock::layout();
-    ASSERT(!needsLayout());
-
-    // If our bounds changed, notify the parents.
-    if (updateCachedBoundariesInParents)
-        RenderSVGBlock::setNeedsBoundariesUpdate();
-
-    // Invalidate all resources of this client if our layout changed.
-    if (layoutChanged)
-        SVGResourcesCache::clientLayoutChanged(this);
-}
-
-bool RenderSVGForeignObject::nodeAtFloatPoint(const HitTestRequest& request, HitTestResult& result, const FloatPoint& pointInParent, HitTestAction hitTestAction)
-{
-    // Embedded content is drawn in the foreground phase.
-    if (hitTestAction != HitTestForeground)
-        return false;
-
-    AffineTransform localTransform = this->localTransform();
-    if (!localTransform.isInvertible())
-        return false;
-
-    FloatPoint localPoint = localTransform.inverse().mapPoint(pointInParent);
-
-    // Early exit if local point is not contained in clipped viewport area
-    if (SVGLayoutSupport::isOverflowHidden(this) && !m_viewport.contains(localPoint))
-        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);
-}
-
-}