Remove SVGPathElement.pathSegList and related interfaces

third_party/WebKit/Source/core/svg/SVGPathSegList.h

-/*
- * Copyright (C) 2014 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SVGPathSegList_h
-#define SVGPathSegList_h
-
-#include "core/svg/SVGPathByteStream.h"
-#include "core/svg/SVGPathSeg.h"
-#include "core/svg/properties/SVGAnimatedProperty.h"
-#include "core/svg/properties/SVGListPropertyHelper.h"
-
-namespace blink {
-
-class SVGPathElement;
-class SVGPathSegListTearOff;
-
-class SVGPathSegList : public SVGListPropertyHelper<SVGPathSegList, SVGPathSeg> {
-public:
-    typedef void PrimitiveType;
-    typedef SVGPathSeg ItemPropertyType;
-    typedef SVGPathSegListTearOff TearOffType;
-    typedef SVGListPropertyHelper<SVGPathSegList, SVGPathSeg> Base;
-
-    static PassRefPtrWillBeRawPtr<SVGPathSegList> create(SVGPathElement* contextElement)
-    {
-        return adoptRefWillBeNoop(new SVGPathSegList(contextElement));
-    }
-    static PassRefPtrWillBeRawPtr<SVGPathSegList> create()
-    {
-        ASSERT_NOT_REACHED();
-        return nullptr;
-    }
-
-    ~SVGPathSegList() override;
-
-    const SVGPathByteStream& byteStream() const;
-    SVGPathByteStream& mutableByteStream();
-    void clearByteStream() { m_byteStream.clear(); }
-
-    // SVGListPropertyHelper methods with |m_byteStream| sync:
-
-    ItemPropertyType* at(size_t index)
-    {
-        updateListFromByteStream();
-        return Base::at(index);
-    }
-
-    size_t length()
-    {
-        updateListFromByteStream();
-        return Base::length();
-    }
-
-    bool isEmpty() const
-    {
-        if (m_listSyncedToByteStream)
-            return Base::isEmpty();
-
-        return !m_byteStream || m_byteStream->isEmpty();
-    }
-
-    void clear()
-    {
-        clearByteStream();
-        Base::clear();
-    }
-
-    void append(PassRefPtrWillBeRawPtr<ItemPropertyType> passNewItem)
-    {
-        updateListFromByteStream();
-        clearByteStream();
-        Base::append(passNewItem);
-    }
-
-    PassRefPtrWillBeRawPtr<ItemPropertyType> initialize(PassRefPtrWillBeRawPtr<ItemPropertyType> passItem)
-    {
-        clearByteStream();
-        return Base::initialize(passItem);
-    }
-
-    PassRefPtrWillBeRawPtr<ItemPropertyType> getItem(size_t index, ExceptionState& exceptionState)
-    {
-        updateListFromByteStream();
-        return Base::getItem(index, exceptionState);
-    }
-
-    PassRefPtrWillBeRawPtr<ItemPropertyType> insertItemBefore(PassRefPtrWillBeRawPtr<ItemPropertyType> passItem, size_t index)
-    {
-        updateListFromByteStream();
-        clearByteStream();
-        return Base::insertItemBefore(passItem, index);
-    }
-
-    PassRefPtrWillBeRawPtr<ItemPropertyType> replaceItem(PassRefPtrWillBeRawPtr<ItemPropertyType> passItem, size_t index, ExceptionState& exceptionState)
-    {
-        updateListFromByteStream();
-        clearByteStream();
-        return Base::replaceItem(passItem, index, exceptionState);
-    }
-
-    PassRefPtrWillBeRawPtr<ItemPropertyType> removeItem(size_t index, ExceptionState& exceptionState)
-    {
-        updateListFromByteStream();
-        clearByteStream();
-        return Base::removeItem(index, exceptionState);
-    }
-
-    PassRefPtrWillBeRawPtr<ItemPropertyType> appendItem(PassRefPtrWillBeRawPtr<ItemPropertyType> passItem);
-
-    // SVGPropertyBase:
-    PassRefPtrWillBeRawPtr<SVGPropertyBase> cloneForAnimation(const String&) const override;
-    PassRefPtrWillBeRawPtr<SVGPathSegList> clone() override;
-    String valueAsString() const override;
-    void setValueAsString(const String&, ExceptionState&);
-
-    void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
-    void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> fromValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toValue, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement*) override;
-    float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement*) override;
-
-    static AnimatedPropertyType classType() { return AnimatedPath; }
-
-    DECLARE_VIRTUAL_TRACE();
-
-    void invalidateList();
-
-private:
-    explicit SVGPathSegList(SVGPathElement*);
-    SVGPathSegList(SVGPathElement*, PassOwnPtr<SVGPathByteStream>);
-
-    friend class SVGPathSegListBuilder;
-    // This is only to be called from SVGPathSegListBuilder.
-    void appendWithoutByteStreamSync(PassRefPtrWillBeRawPtr<ItemPropertyType> passNewItem)
-    {
-        Base::append(passNewItem);
-    }
-
-    void updateListFromByteStream();
-
-    // FIXME: This pointer should be removed after SVGPathSeg has a tear-off.
-    //
-    // SVGPathSegList is either owned by SVGAnimatedPath or SVGPathSegListTearOff.
-    // Both keep |contextElement| alive, so this ptr is always valid.
-    GC_PLUGIN_IGNORE("528275")
-    SVGPathElement* m_contextElement;
-
-    mutable OwnPtr<SVGPathByteStream> m_byteStream;
-    bool m_listSyncedToByteStream;
-};
-
-inline PassRefPtrWillBeRawPtr<SVGPathSegList> toSVGPathSegList(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
-{
-    RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
-    ASSERT(base->type() == SVGPathSegList::classType());
-    return static_pointer_cast<SVGPathSegList>(base.release());
-}
-
-} // namespace blink
-
-#endif