Move the SVG container code from rendering/svg to layout/svg.

Source/core/rendering/svg/RenderSVGViewportContainer.cpp

-/*
- * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
- * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
- * Copyright (C) 2009 Google, Inc.
- *
- * 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/RenderSVGViewportContainer.h"
-
-#include "core/layout/PaintInfo.h"
-#include "core/layout/svg/SVGLayoutSupport.h"
-#include "core/paint/SVGContainerPainter.h"
-#include "core/svg/SVGSVGElement.h"
-#include "core/svg/SVGUseElement.h"
-#include "platform/graphics/GraphicsContext.h"
-
-namespace blink {
-
-RenderSVGViewportContainer::RenderSVGViewportContainer(SVGElement* node)
-    : LayoutSVGContainer(node)
-    , m_didTransformToRootUpdate(false)
-    , m_isLayoutSizeChanged(false)
-    , m_needsTransformUpdate(true)
-{
-}
-
-void RenderSVGViewportContainer::determineIfLayoutSizeChanged()
-{
-    ASSERT(element());
-    if (!isSVGSVGElement(*element()))
-        return;
-
-    m_isLayoutSizeChanged = toSVGSVGElement(element())->hasRelativeLengths() && selfNeedsLayout();
-}
-
-void RenderSVGViewportContainer::calcViewport()
-{
-    SVGElement* element = this->element();
-    ASSERT(element);
-    if (!isSVGSVGElement(*element))
-        return;
-    SVGSVGElement* svg = toSVGSVGElement(element);
-    FloatRect oldViewport = m_viewport;
-
-    SVGLengthContext lengthContext(element);
-    m_viewport = FloatRect(svg->x()->currentValue()->value(lengthContext), svg->y()->currentValue()->value(lengthContext), svg->width()->currentValue()->value(lengthContext), svg->height()->currentValue()->value(lengthContext));
-
-    if (oldViewport != m_viewport) {
-        setNeedsBoundariesUpdate();
-        setNeedsTransformUpdate();
-    }
-}
-
-bool RenderSVGViewportContainer::calculateLocalTransform()
-{
-    m_didTransformToRootUpdate = m_needsTransformUpdate || SVGLayoutSupport::transformToRootChanged(parent());
-    if (!m_needsTransformUpdate)
-        return false;
-
-    m_localToParentTransform = AffineTransform::translation(m_viewport.x(), m_viewport.y()) * viewportTransform();
-    m_needsTransformUpdate = false;
-    return true;
-}
-
-AffineTransform RenderSVGViewportContainer::viewportTransform() const
-{
-    ASSERT(element());
-    if (isSVGSVGElement(*element())) {
-        SVGSVGElement* svg = toSVGSVGElement(element());
-        return svg->viewBoxToViewTransform(m_viewport.width(), m_viewport.height());
-    }
-
-    return AffineTransform();
-}
-
-bool RenderSVGViewportContainer::pointIsInsideViewportClip(const FloatPoint& pointInParent)
-{
-    // Respect the viewport clip (which is in parent coords)
-    if (!SVGLayoutSupport::isOverflowHidden(this))
-        return true;
-
-    return m_viewport.contains(pointInParent);
-}
-
-void RenderSVGViewportContainer::paint(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
-{
-    SVGContainerPainter(*this).paint(paintInfo);
-}
-
-}