Remove SVGLocatable and SVGTransformable

Source/core/svg/SVGLocatable.cpp

-/*
- * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org>
- * Copyright (C) 2009 Google, Inc.  All rights reserved.
- * 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/svg/SVGLocatable.h"
-
-#include "SVGNames.h"
-#include "bindings/v8/ExceptionState.h"
-#include "core/dom/ExceptionCode.h"
-#include "core/rendering/RenderObject.h"
-#include "core/svg/SVGGraphicsElement.h"
-
-namespace WebCore {
-
-static bool isViewportElement(Node* node)
-{
-    return (node->hasTagName(SVGNames::svgTag)
-        || node->hasTagName(SVGNames::symbolTag)
-        || node->hasTagName(SVGNames::foreignObjectTag)
-        || node->hasTagName(SVGNames::imageTag));
-}
-
-SVGElement* SVGLocatable::nearestViewportElement(const SVGElement* element)
-{
-    ASSERT(element);
-    for (Element* current = element->parentOrShadowHostElement(); current; current = current->parentOrShadowHostElement()) {
-        if (isViewportElement(current))
-            return toSVGElement(current);
-    }
-
-    return 0;
-}
-
-SVGElement* SVGLocatable::farthestViewportElement(const SVGElement* element)
-{
-    ASSERT(element);
-    SVGElement* farthest = 0;
-    for (Element* current = element->parentOrShadowHostElement(); current; current = current->parentOrShadowHostElement()) {
-        if (isViewportElement(current))
-            farthest = toSVGElement(current);
-    }
-    return farthest;
-}
-
-AffineTransform SVGLocatable::computeCTM(SVGElement* element, CTMScope mode, StyleUpdateStrategy styleUpdateStrategy)
-{
-    ASSERT(element);
-    if (styleUpdateStrategy == AllowStyleUpdate)
-        element->document().updateLayoutIgnorePendingStylesheets();
-
-    AffineTransform ctm;
-
-    SVGElement* stopAtElement = mode == NearestViewportScope ? nearestViewportElement(element) : 0;
-    for (Element* currentElement = element; currentElement; currentElement = currentElement->parentOrShadowHostElement()) {
-        if (!currentElement->isSVGElement())
-            break;
-
-        ctm = toSVGElement(currentElement)->localCoordinateSpaceTransform(mode).multiply(ctm);
-
-        // For getCTM() computation, stop at the nearest viewport element
-        if (currentElement == stopAtElement)
-            break;
-    }
-
-    return ctm;
-}
-
-AffineTransform SVGLocatable::getTransformToElement(SVGElement* target, ExceptionState& es, StyleUpdateStrategy styleUpdateStrategy)
-{
-    AffineTransform ctm = getCTM(styleUpdateStrategy);
-
-    if (target && target->isSVGGraphicsElement()) {
-        AffineTransform targetCTM = toSVGGraphicsElement(target)->getCTM(styleUpdateStrategy);
-        if (!targetCTM.isInvertible()) {
-            es.throwUninformativeAndGenericDOMException(InvalidStateError);
-            return ctm;
-        }
-        ctm = targetCTM.inverse() * ctm;
-    }
-
-    return ctm;
-}
-
-}