1 files changed, 111 insertions, 0 deletions
diff --git a/Source/WebCore/svg/properties/SVGPathSegListPropertyTearOff.cpp b/Source/WebCore/svg/properties/SVGPathSegListPropertyTearOff.cpp
new file mode 100644
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--- /dev/null
+++ b/Source/WebCore/svg/properties/SVGPathSegListPropertyTearOff.cpp
@@ -0,0 +1,111 @@
+/*
+ * 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"
+
+#if ENABLE(SVG)
+#include "SVGPathSegListPropertyTearOff.h"
+
+#include "SVGAnimatedPathSegListPropertyTearOff.h"
+#include "SVGNames.h"
+#include "SVGPathElement.h"
+#include "SVGPathSegWithContext.h"
+
+namespace WebCore {
+
+void SVGPathSegListPropertyTearOff::clear(ExceptionCode& ec)
+{
+    SVGPathSegList& values = m_animatedProperty->values();
+    if (values.isEmpty())
+        return;
+
+    unsigned size = values.size();
+    for (unsigned i = 0; i < size; ++i) {
+        ListItemType item = values.at(i);
+        static_cast<SVGPathSegWithContext*>(item.get())->setContextAndRole(0, PathSegUndefinedRole);
+    }
+
+    SVGPathSegListPropertyTearOff::Base::clearValues(values, ec);
+}
+
+SVGPathSegListPropertyTearOff::PassListItemType SVGPathSegListPropertyTearOff::getItem(unsigned index, ExceptionCode& ec)
+{
+    SVGPathSegList& values = m_animatedProperty->values();
+    ListItemType returnedItem = Base::getItemValues(values, index, ec);
+    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::removeItem(unsigned index, ExceptionCode& ec)
+{
+    SVGPathSegList& values = m_animatedProperty->values();
+    SVGPathSegListPropertyTearOff::ListItemType removedItem = SVGPathSegListPropertyTearOff::Base::removeItemValues(values, index, ec);
+    if (removedItem)
+        static_cast<SVGPathSegWithContext*>(removedItem.get())->setContextAndRole(0, PathSegUndefinedRole);
+    return removedItem.release();
+}
+
+SVGPathElement* SVGPathSegListPropertyTearOff::contextElement() const
+{
+    SVGElement* contextElement = m_animatedProperty->contextElement();
+    ASSERT(contextElement);
+    ASSERT(contextElement->hasTagName(SVGNames::pathTag));
+    return static_cast<SVGPathElement*>(contextElement);
+}
+
+void 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;
+
+    // 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;
+
+    // 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;
+    int removedIndex = static_cast<SVGAnimatedPathSegListPropertyTearOff*>(animatedPropertyOfItem)->removeItemFromList(newItem.get(), livesInOtherList);
+    ASSERT(removedIndex != -1);
+
+    if (!indexToModify)
+        return;
+
+    // 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>(removedIndex) < index)
+            --index;
+    }
+}
+
+}
+
+#endif // ENABLE(SVG)