| /* |
| * 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/NewSVGAnimatedProperty.h" |
| #include "core/svg/properties/NewSVGListPropertyHelper.h" |
| #include "wtf/WeakPtr.h" |
| |
| namespace WebCore { |
| |
| class SVGPathElement; |
| class SVGPathSegListTearOff; |
| |
| class SVGPathSegList : public NewSVGListPropertyHelper<SVGPathSegList, SVGPathSeg> { |
| public: |
| typedef void PrimitiveType; |
| typedef SVGPathSeg ItemPropertyType; |
| typedef SVGPathSegListTearOff TearOffType; |
| typedef NewSVGListPropertyHelper<SVGPathSegList, SVGPathSeg> Base; |
| |
| static PassRefPtr<SVGPathSegList> create(SVGPathElement* contextElement, SVGPathSegRole role = PathSegUndefinedRole) |
| { |
| return adoptRef(new SVGPathSegList(contextElement, role)); |
| } |
| |
| virtual ~SVGPathSegList(); |
| |
| const SVGPathByteStream* byteStream() const; |
| void clearByteStream() { m_byteStream.clear(); } |
| |
| // NewSVGListPropertyHelper 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(PassRefPtr<ItemPropertyType> passNewItem) |
| { |
| updateListFromByteStream(); |
| clearByteStream(); |
| Base::append(passNewItem); |
| } |
| |
| PassRefPtr<ItemPropertyType> initialize(PassRefPtr<ItemPropertyType> passItem) |
| { |
| clearByteStream(); |
| return Base::initialize(passItem); |
| } |
| |
| PassRefPtr<ItemPropertyType> getItem(size_t index, ExceptionState& exceptionState) |
| { |
| updateListFromByteStream(); |
| return Base::getItem(index, exceptionState); |
| } |
| |
| PassRefPtr<ItemPropertyType> insertItemBefore(PassRefPtr<ItemPropertyType> passItem, size_t index) |
| { |
| updateListFromByteStream(); |
| clearByteStream(); |
| return Base::insertItemBefore(passItem, index); |
| } |
| |
| PassRefPtr<ItemPropertyType> replaceItem(PassRefPtr<ItemPropertyType> passItem, size_t index, ExceptionState& exceptionState) |
| { |
| updateListFromByteStream(); |
| clearByteStream(); |
| return Base::replaceItem(passItem, index, exceptionState); |
| } |
| |
| PassRefPtr<ItemPropertyType> removeItem(size_t index, ExceptionState& exceptionState) |
| { |
| updateListFromByteStream(); |
| clearByteStream(); |
| return Base::removeItem(index, exceptionState); |
| } |
| |
| PassRefPtr<ItemPropertyType> appendItem(PassRefPtr<ItemPropertyType> passItem); |
| |
| // NewSVGPropertyBase: |
| PassRefPtr<SVGPathSegList> clone(); |
| virtual PassRefPtr<NewSVGPropertyBase> cloneForAnimation(const String&) const OVERRIDE; |
| virtual String valueAsString() const OVERRIDE; |
| void setValueAsString(const String&, ExceptionState&); |
| |
| virtual void add(PassRefPtr<NewSVGPropertyBase>, SVGElement*) OVERRIDE; |
| virtual void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtr<NewSVGPropertyBase> fromValue, PassRefPtr<NewSVGPropertyBase> toValue, PassRefPtr<NewSVGPropertyBase> toAtEndOfDurationValue, SVGElement*) OVERRIDE; |
| virtual float calculateDistance(PassRefPtr<NewSVGPropertyBase> to, SVGElement*) OVERRIDE; |
| |
| static AnimatedPropertyType classType() { return AnimatedPath; } |
| |
| private: |
| SVGPathSegList(SVGPathElement*, SVGPathSegRole); |
| SVGPathSegList(SVGPathElement*, SVGPathSegRole, PassOwnPtr<SVGPathByteStream>); |
| |
| friend class SVGPathSegListBuilder; |
| // This is only to be called from SVGPathSegListBuilder. |
| void appendWithoutByteStreamSync(PassRefPtr<ItemPropertyType> passNewItem) |
| { |
| Base::append(passNewItem); |
| } |
| |
| void updateListFromByteStream(); |
| void invalidateList(); |
| |
| // FIXME: This pointer should be removed after SVGPathSeg has a tear-off. |
| // FIXME: oilpan: This is raw-ptr to avoid reference cycles. |
| // SVGPathSegList is either owned by SVGAnimatedPath or |
| // SVGPathSegListTearOff. Both keep |contextElement| alive, |
| // so this ptr is always valid. |
| SVGPathElement* m_contextElement; |
| |
| SVGPathSegRole m_role; |
| mutable OwnPtr<SVGPathByteStream> m_byteStream; |
| bool m_listSyncedToByteStream; |
| }; |
| |
| inline PassRefPtr<SVGPathSegList> toSVGPathSegList(PassRefPtr<NewSVGPropertyBase> passBase) |
| { |
| RefPtr<NewSVGPropertyBase> base = passBase; |
| ASSERT(base->type() == SVGPathSegList::classType()); |
| return static_pointer_cast<SVGPathSegList>(base.release()); |
| } |
| |
| } // namespace WebCore |
| |
| #endif |