| /* |
| * 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/properties/SVGPathSegListPropertyTearOff.h" |
| |
| #include "SVGNames.h" |
| #include "bindings/v8/ExceptionState.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/svg/SVGPathElement.h" |
| #include "core/svg/SVGPathSegWithContext.h" |
| #include "core/svg/properties/SVGAnimatedPathSegListPropertyTearOff.h" |
| |
| namespace WebCore { |
| |
| void SVGPathSegListPropertyTearOff::clearContextAndRoles() |
| { |
| ASSERT(m_values); |
| unsigned size = m_values->size(); |
| for (unsigned i = 0; i < size; ++i) { |
| ListItemType item = m_values->at(i); |
| static_cast<SVGPathSegWithContext*>(item.get())->setContextAndRole(0, PathSegUndefinedRole); |
| } |
| } |
| |
| void SVGPathSegListPropertyTearOff::clear(ExceptionState& exceptionState) |
| { |
| ASSERT(m_values); |
| if (m_values->isEmpty()) |
| return; |
| |
| clearContextAndRoles(); |
| SVGPathSegListPropertyTearOff::Base::clearValues(exceptionState); |
| } |
| |
| SVGPathSegListPropertyTearOff::PassListItemType SVGPathSegListPropertyTearOff::getItem(unsigned index, ExceptionState& exceptionState) |
| { |
| ListItemType returnedItem = Base::getItemValues(index, exceptionState); |
| if (returnedItem) { |
| ASSERT(static_cast<SVGPathSegWithContext*>(returnedItem.get())->contextElement() == contextElement()); |
| ASSERT(static_cast<SVGPathSegWithContext*>(returnedItem.get())->role() == m_pathSegRole); |
| } |
| return returnedItem.release(); |
| } |
| |
| SVGPathSegListPropertyTearOff::PassListItemType SVGPathSegListPropertyTearOff::replaceItem(PassListItemType passNewItem, unsigned index, ExceptionState& exceptionState) |
| { |
| // Not specified, but FF/Opera do it this way, and it's just sane. |
| if (!passNewItem) { |
| exceptionState.throwUninformativeAndGenericTypeError(); |
| return 0; |
| } |
| |
| if (index < m_values->size()) { |
| ListItemType replacedItem = m_values->at(index); |
| ASSERT(replacedItem); |
| static_cast<SVGPathSegWithContext*>(replacedItem.get())->setContextAndRole(0, PathSegUndefinedRole); |
| } |
| |
| ListItemType newItem = passNewItem; |
| return Base::replaceItemValues(newItem, index, exceptionState); |
| } |
| |
| SVGPathSegListPropertyTearOff::PassListItemType SVGPathSegListPropertyTearOff::removeItem(unsigned index, ExceptionState& exceptionState) |
| { |
| SVGPathSegListPropertyTearOff::ListItemType removedItem = SVGPathSegListPropertyTearOff::Base::removeItemValues(index, exceptionState); |
| if (removedItem) |
| static_cast<SVGPathSegWithContext*>(removedItem.get())->setContextAndRole(0, PathSegUndefinedRole); |
| return removedItem.release(); |
| } |
| |
| SVGPathElement* SVGPathSegListPropertyTearOff::contextElement() const |
| { |
| SVGElement* contextElement = m_animatedProperty->contextElement(); |
| ASSERT(contextElement); |
| return toSVGPathElement(contextElement); |
| } |
| |
| bool SVGPathSegListPropertyTearOff::processIncomingListItemValue(const ListItemType& newItem, unsigned* indexToModify) |
| { |
| SVGPathSegWithContext* newItemWithContext = static_cast<SVGPathSegWithContext*>(newItem.get()); |
| SVGAnimatedProperty* animatedPropertyOfItem = newItemWithContext->animatedProperty(); |
| |
| // Alter the role, after calling animatedProperty(), as that may influence the returned animated property. |
| newItemWithContext->setContextAndRole(contextElement(), m_pathSegRole); |
| |
| if (!animatedPropertyOfItem) |
| return true; |
| |
| // newItem belongs to a SVGPathElement, but its associated SVGAnimatedProperty is not an animated list tear off. |
| // (for example: "pathElement.pathSegList.appendItem(pathElement.createSVGPathSegClosepath())") |
| if (!animatedPropertyOfItem->isAnimatedListTearOff()) |
| return true; |
| |
| // Spec: If newItem is already in a list, it is removed from its previous list before it is inserted into this list. |
| // 'newItem' is already living in another list. If it's not our list, synchronize the other lists wrappers after the removal. |
| bool livesInOtherList = animatedPropertyOfItem != m_animatedProperty; |
| SVGAnimatedPathSegListPropertyTearOff* propertyTearOff = static_cast<SVGAnimatedPathSegListPropertyTearOff*>(animatedPropertyOfItem); |
| int indexToRemove = propertyTearOff->findItem(newItem.get()); |
| ASSERT(indexToRemove != -1); |
| |
| // Do not remove newItem if already in this list at the target index. |
| if (!livesInOtherList && indexToModify && static_cast<unsigned>(indexToRemove) == *indexToModify) |
| return false; |
| |
| propertyTearOff->removeItemFromList(indexToRemove, livesInOtherList); |
| |
| if (!indexToModify) |
| return true; |
| |
| // If the item lived in our list, adjust the insertion index. |
| if (!livesInOtherList) { |
| unsigned& index = *indexToModify; |
| // Spec: If the item is already in this list, note that the index of the item to (replace|insert before) is before the removal of the item. |
| if (static_cast<unsigned>(indexToRemove) < index) |
| --index; |
| } |
| |
| return true; |
| } |
| |
| } |