Deprecate currentView, useCurrentView properties of SVGSVGElement and SVGViewSpec interface

third_party/WebKit/Source/core/svg/SVGViewSpec.cpp

 /*
  * Copyright (C) 2007, 2010 Rob Buis <buis@kde.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
  * 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 "core/svg/SVGViewSpec.h"
 
-#include "bindings/core/v8/ExceptionMessages.h"
-#include "bindings/core/v8/ExceptionState.h"
 #include "core/SVGNames.h"
 #include "core/dom/ExceptionCode.h"
-#include "core/svg/SVGAnimatedTransformList.h"
-#include "core/svg/SVGParserUtilities.h"
-#include "platform/text/ParserUtilities.h"
 
 namespace blink {
 
 SVGViewSpec::SVGViewSpec(SVGSVGElement* contextElement)
     // Note: addToPropertyMap is not needed, as SVGViewSpec do not correspond to an element.
     // Note: We make tear-offs' contextElement the target element of SVGViewSpec.
     // This contextElement will be only used for keeping this alive from the tearoff.
     // SVGSVGElement holds a strong-ref to this SVGViewSpec, so this is kept alive as:
     // AnimatedProperty tearoff -(contextElement)-> SVGSVGElement -(RefPtr)-> SVGViewSpec.
     : SVGFitToViewBox(contextElement, PropertyMapPolicySkip)
     , m_contextElement(contextElement)
-    , m_transform(SVGAnimatedTransformList::create(contextElement, SVGNames::transformAttr, SVGTransformList::create()))
 {
     ASSERT(m_contextElement);
 
     viewBox()->setReadOnly();
     preserveAspectRatio()->setReadOnly();
-    m_transform->setReadOnly();
     // Note: addToPropertyMap is not needed, as SVGViewSpec do not correspond to an element.
 }
 
 DEFINE_TRACE(SVGViewSpec)
 {
     visitor->trace(m_contextElement);
-    visitor->trace(m_transform);
     SVGFitToViewBox::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(SVGViewSpec)
 {
     visitor->traceWrappers(m_contextElement);
 }
 
-bool SVGViewSpec::parseViewSpec(const String& spec)
-{
-    if (spec.isEmpty() || !m_contextElement)
-        return false;
-    if (spec.is8Bit()) {
-        const LChar* ptr = spec.characters8();
-        const LChar* end = ptr + spec.length();
-        return parseViewSpecInternal(ptr, end);
-    }
-    const UChar* ptr = spec.characters16();
-    const UChar* end = ptr + spec.length();
-    return parseViewSpecInternal(ptr, end);
-}
-
 void SVGViewSpec::reset()
 {
     resetZoomAndPan();
-    m_transform->baseValue()->clear();
     updateViewBox(FloatRect());
     ASSERT(preserveAspectRatio());
     preserveAspectRatio()->baseValue()->setAlign(SVGPreserveAspectRatio::SVG_PRESERVEASPECTRATIO_XMIDYMID);
     preserveAspectRatio()->baseValue()->setMeetOrSlice(SVGPreserveAspectRatio::SVG_MEETORSLICE_MEET);
-    m_viewTargetString = emptyString();
-}
-
-void SVGViewSpec::detachContextElement()
-{
-    m_transform = nullptr;
-    clearViewBox();
-    clearPreserveAspectRatio();
-    m_contextElement = nullptr;
-}
-
-SVGElement* SVGViewSpec::viewTarget() const
-{
-    if (!m_contextElement)
-        return nullptr;
-    Element* element = m_contextElement->treeScope().getElementById(AtomicString(m_viewTargetString));
-    if (!element || !element->isSVGElement())
-        return nullptr;
-    return toSVGElement(element);
-}
-
-String SVGViewSpec::viewBoxString() const
-{
-    if (!viewBox())
-        return String();
-
-    return viewBox()->currentValue()->valueAsString();
-}
-
-String SVGViewSpec::preserveAspectRatioString() const
-{
-    if (!preserveAspectRatio())
-        return String();
-
-    return preserveAspectRatio()->baseValue()->valueAsString();
-}
-
-String SVGViewSpec::transformString() const
-{
-    if (!m_transform)
-        return String();
-
-    return m_transform->baseValue()->valueAsString();
 }
 
 void SVGViewSpec::setZoomAndPan(unsigned short, ExceptionState& exceptionState)
 {
     // SVGViewSpec and all of its content is read-only.
     exceptionState.throwDOMException(NoModificationAllowedError, ExceptionMessages::readOnly());
 }
-
-static const LChar svgViewSpec[] = {'s', 'v', 'g', 'V', 'i', 'e', 'w'};
-static const LChar viewBoxSpec[] = {'v', 'i', 'e', 'w', 'B', 'o', 'x'};
-static const LChar preserveAspectRatioSpec[] = {'p', 'r', 'e', 's', 'e', 'r', 'v', 'e', 'A', 's', 'p', 'e', 'c', 't', 'R', 'a', 't', 'i', 'o'};
-static const LChar transformSpec[] = {'t', 'r', 'a', 'n', 's', 'f', 'o', 'r', 'm'};
-static const LChar zoomAndPanSpec[] = {'z', 'o', 'o', 'm', 'A', 'n', 'd', 'P', 'a', 'n'};
-static const LChar viewTargetSpec[] =  {'v', 'i', 'e', 'w', 'T', 'a', 'r', 'g', 'e', 't'};
-
-template<typename CharType>
-bool SVGViewSpec::parseViewSpecInternal(const CharType* ptr, const CharType* end)
-{
-    if (!skipString(ptr, end, svgViewSpec, WTF_ARRAY_LENGTH(svgViewSpec)))
-        return false;
-
-    if (ptr >= end || *ptr != '(')
-        return false;
-    ptr++;
-
-    while (ptr < end && *ptr != ')') {
-        if (*ptr == 'v') {
-            if (skipString(ptr, end, viewBoxSpec, WTF_ARRAY_LENGTH(viewBoxSpec))) {
-                if (ptr >= end || *ptr != '(')
-                    return false;
-                ptr++;
-                float x = 0.0f;
-                float y = 0.0f;
-                float width = 0.0f;
-                float height = 0.0f;
-                if (!(parseNumber(ptr, end, x) && parseNumber(ptr, end, y) && parseNumber(ptr, end, width) && parseNumber(ptr, end, height, DisallowWhitespace)))
-                    return false;
-                updateViewBox(FloatRect(x, y, width, height));
-                if (ptr >= end || *ptr != ')')
-                    return false;
-                ptr++;
-            } else if (skipString(ptr, end, viewTargetSpec, WTF_ARRAY_LENGTH(viewTargetSpec))) {
-                if (ptr >= end || *ptr != '(')
-                    return false;
-                const CharType* viewTargetStart = ++ptr;
-                while (ptr < end && *ptr != ')')
-                    ptr++;
-                if (ptr >= end)
-                    return false;
-                m_viewTargetString = String(viewTargetStart, ptr - viewTargetStart);
-                ptr++;
-            } else
-                return false;
-        } else if (*ptr == 'z') {
-            if (!skipString(ptr, end, zoomAndPanSpec, WTF_ARRAY_LENGTH(zoomAndPanSpec)))
-                return false;
-            if (ptr >= end || *ptr != '(')
-                return false;
-            ptr++;
-            if (!parseZoomAndPan(ptr, end))
-                return false;
-            if (ptr >= end || *ptr != ')')
-                return false;
-            ptr++;
-        } else if (*ptr == 'p') {
-            if (!skipString(ptr, end, preserveAspectRatioSpec, WTF_ARRAY_LENGTH(preserveAspectRatioSpec)))
-                return false;
-            if (ptr >= end || *ptr != '(')
-                return false;
-            ptr++;
-            if (!preserveAspectRatio()->baseValue()->parse(ptr, end, false))
-                return false;
-            if (ptr >= end || *ptr != ')')
-                return false;
-            ptr++;
-        } else if (*ptr == 't') {
-            if (!skipString(ptr, end, transformSpec, WTF_ARRAY_LENGTH(transformSpec)))
-                return false;
-            if (ptr >= end || *ptr != '(')
-                return false;
-            ptr++;
-            m_transform->baseValue()->parse(ptr, end);
-            if (ptr >= end || *ptr != ')')
-                return false;
-            ptr++;
-        } else
-            return false;
-
-        if (ptr < end && *ptr == ';')
-            ptr++;
-    }
-
-    if (ptr >= end || *ptr != ')')
-        return false;
-
-    return true;
-}
-
 } // namespace blink