already_AddRefed<SVGTransform>
DOMSVGTransformList::Consolidate(ErrorResult& error)
{
if (IsAnimValList()) {
error.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
if (LengthNoFlush() == 0) {
return nullptr;
}
// Note that SVG 1.1 says, "The consolidation operation creates new
// SVGTransform object as the first and only item in the list" hence, even if
// LengthNoFlush() == 1 we can't return that one item (after making it a
// matrix type). We must orphan the existing item and then make a new one.
// First calculate our matrix
gfxMatrix mx = InternalList().GetConsolidationMatrix();
// Then orphan the existing items
Clear(error);
MOZ_ASSERT(!error.Failed(), "How could this fail?");
// And append the new transform
nsRefPtr<SVGTransform> transform = new SVGTransform(mx);
return InsertItemBefore(*transform, LengthNoFlush(), error);
}
already_AddRefed<DOMSVGPathSeg>
DOMSVGPathSegList::InsertItemBefore(DOMSVGPathSeg& aNewItem,
uint32_t aIndex,
ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
uint32_t internalIndex;
if (aIndex < LengthNoFlush()) {
internalIndex = mItems[aIndex].mInternalDataIndex;
} else {
aIndex = LengthNoFlush();
internalIndex = InternalList().mData.Length();
}
if (aIndex >= DOMSVGPathSeg::MaxListIndex()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsRefPtr<DOMSVGPathSeg> domItem = &aNewItem;
if (domItem->HasOwner()) {
domItem = domItem->Clone(); // must do this before changing anything!
}
uint32_t argCount = SVGPathSegUtils::ArgCountForType(domItem->Type());
// Ensure we have enough memory so we can avoid complex error handling below:
if (!mItems.SetCapacity(mItems.Length() + 1) ||
!InternalList().mData.SetCapacity(InternalList().mData.Length() + 1 + argCount)) {
aError.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
nsAttrValue emptyOrOldValue = Element()->WillChangePathSegList();
// Now that we know we're inserting, keep animVal list in sync as necessary.
MaybeInsertNullInAnimValListAt(aIndex, internalIndex, argCount);
float segAsRaw[1 + NS_SVG_PATH_SEG_MAX_ARGS];
domItem->ToSVGPathSegEncodedData(segAsRaw);
InternalList().mData.InsertElementsAt(internalIndex, segAsRaw, 1 + argCount);
mItems.InsertElementAt(aIndex, ItemProxy(domItem.get(), internalIndex));
// This MUST come after the insertion into InternalList(), or else under the
// insertion into InternalList() the values read from domItem would be bad
// data from InternalList() itself!:
domItem->InsertingIntoList(this, aIndex, IsAnimValList());
UpdateListIndicesFromIndex(aIndex + 1, argCount + 1);
Element()->DidChangePathSegList(emptyOrOldValue);
if (AttrIsAnimating()) {
Element()->AnimationNeedsResample();
}
return domItem.forget();
}
void
DOMSVGPathSegList::Clear(ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return;
}
if (LengthNoFlush() > 0) {
nsAttrValue emptyOrOldValue = Element()->WillChangePathSegList();
// DOM list items that are to be removed must be removed before we change
// the internal list, otherwise they wouldn't be able to copy their
// internal counterparts' values!
InternalListWillChangeTo(SVGPathData()); // clears mItems
if (!AttrIsAnimating()) {
// The anim val list is in sync with the base val list
DOMSVGPathSegList *animList =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (animList) {
animList->InternalListWillChangeTo(SVGPathData()); // clears its mItems
}
}
InternalList().Clear();
Element()->DidChangePathSegList(emptyOrOldValue);
if (AttrIsAnimating()) {
Element()->AnimationNeedsResample();
}
}
}
already_AddRefed<nsISVGPoint>
DOMSVGPointList::RemoveItem(uint32_t aIndex, ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
if (aIndex >= LengthNoFlush()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
AutoChangePointListNotifier notifier(this);
// Now that we know we're removing, keep animVal list in sync as necessary.
// Do this *before* touching InternalList() so the removed item can get its
// internal value.
MaybeRemoveItemFromAnimValListAt(aIndex);
// We have to return the removed item, so get it, creating it if necessary:
RefPtr<nsISVGPoint> result = GetItemAt(aIndex);
// Notify the DOM item of removal *before* modifying the lists so that the
// DOM item can copy its *old* value:
mItems[aIndex]->RemovingFromList();
InternalList().RemoveItem(aIndex);
mItems.RemoveElementAt(aIndex);
UpdateListIndicesFromIndex(mItems, aIndex);
return result.forget();
}
void
DOMSVGPointList::Clear(ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return;
}
if (LengthNoFlush() > 0) {
AutoChangePointListNotifier notifier(this);
// DOM list items that are to be removed must be removed before we change
// the internal list, otherwise they wouldn't be able to copy their
// internal counterparts' values!
InternalListWillChangeTo(SVGPointList()); // clears mItems
if (!AttrIsAnimating()) {
// The anim val list is in sync with the base val list
DOMSVGPointList *animList =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (animList) {
animList->InternalListWillChangeTo(SVGPointList()); // clears its mItems
}
}
InternalList().Clear();
}
}
already_AddRefed<SVGTransform>
DOMSVGTransformList::ReplaceItem(SVGTransform& newItem,
uint32_t index, ErrorResult& error)
{
if (IsAnimValList()) {
error.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
if (index >= LengthNoFlush()) {
error.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsRefPtr<SVGTransform> domItem = &newItem;
if (newItem.HasOwner()) {
domItem = newItem.Clone(); // must do this before changing anything!
}
AutoChangeTransformListNotifier notifier(this);
if (mItems[index]) {
// Notify any existing DOM item of removal *before* modifying the lists so
// that the DOM item can copy the *old* value at its index:
mItems[index]->RemovingFromList();
}
InternalList()[index] = domItem->ToSVGTransform();
mItems[index] = domItem;
// This MUST come after the ToSVGPoint() call, otherwise that call
// would end up reading bad data from InternalList()!
domItem->InsertingIntoList(this, index, IsAnimValList());
return domItem.forget();
}
already_AddRefed<nsISVGPoint>
DOMSVGPointList::InsertItemBefore(nsISVGPoint& aNewItem, uint32_t aIndex,
ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
aIndex = std::min(aIndex, LengthNoFlush());
if (aIndex >= nsISVGPoint::MaxListIndex()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsCOMPtr<nsISVGPoint> domItem = &aNewItem;
if (domItem->HasOwner() || domItem->IsReadonly() ||
domItem->IsTranslatePoint()) {
domItem = domItem->Copy(); // must do this before changing anything!
}
// Ensure we have enough memory so we can avoid complex error handling below:
if (!mItems.SetCapacity(mItems.Length() + 1, fallible) ||
!InternalList().SetCapacity(InternalList().Length() + 1)) {
aError.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
if (AnimListMirrorsBaseList()) {
DOMSVGPointList *animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
MOZ_ASSERT(animVal, "animVal must be a valid pointer");
if (!animVal->mItems.SetCapacity(
animVal->mItems.Length() + 1, fallible)) {
aError.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
}
AutoChangePointListNotifier notifier(this);
// Now that we know we're inserting, keep animVal list in sync as necessary.
MaybeInsertNullInAnimValListAt(aIndex);
InternalList().InsertItem(aIndex, domItem->ToSVGPoint());
MOZ_ALWAYS_TRUE(mItems.InsertElementAt(aIndex, domItem, fallible));
// This MUST come after the insertion into InternalList(), or else under the
// insertion into InternalList() the values read from domItem would be bad
// data from InternalList() itself!:
domItem->InsertingIntoList(this, aIndex, IsAnimValList());
UpdateListIndicesFromIndex(mItems, aIndex + 1);
return domItem.forget();
}
already_AddRefed<nsISVGPoint>
DOMSVGPointList::IndexedGetter(uint32_t aIndex, bool& aFound,
ErrorResult& aError)
{
if (IsAnimValList()) {
Element()->FlushAnimations();
}
aFound = aIndex < LengthNoFlush();
if (aFound) {
return GetItemAt(aIndex);
}
return nullptr;
}
already_AddRefed<SVGTransform>
DOMSVGTransformList::IndexedGetter(uint32_t index, bool& found,
ErrorResult& error)
{
if (IsAnimValList()) {
Element()->FlushAnimations();
}
found = index < LengthNoFlush();
if (found) {
return GetItemAt(index);
}
return nullptr;
}
already_AddRefed<nsIDOMSVGPoint>
DOMSVGPointList::InsertItemBefore(nsIDOMSVGPoint *aNewItem, uint32_t aIndex,
ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
aIndex = NS_MIN(aIndex, LengthNoFlush());
if (aIndex >= DOMSVGPoint::MaxListIndex()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsCOMPtr<DOMSVGPoint> domItem = do_QueryInterface(aNewItem);
if (!domItem) {
aError.Throw(NS_ERROR_DOM_SVG_WRONG_TYPE_ERR);
return nullptr;
}
if (domItem->HasOwner() || domItem->IsReadonly()) {
domItem = domItem->Clone(); // must do this before changing anything!
}
// Ensure we have enough memory so we can avoid complex error handling below:
if (!mItems.SetCapacity(mItems.Length() + 1) ||
!InternalList().SetCapacity(InternalList().Length() + 1)) {
aError.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
nsAttrValue emptyOrOldValue = Element()->WillChangePointList();
// Now that we know we're inserting, keep animVal list in sync as necessary.
MaybeInsertNullInAnimValListAt(aIndex);
InternalList().InsertItem(aIndex, domItem->ToSVGPoint());
mItems.InsertElementAt(aIndex, domItem.get());
// This MUST come after the insertion into InternalList(), or else under the
// insertion into InternalList() the values read from domItem would be bad
// data from InternalList() itself!:
domItem->InsertingIntoList(this, aIndex, IsAnimValList());
UpdateListIndicesFromIndex(mItems, aIndex + 1);
Element()->DidChangePointList(emptyOrOldValue);
if (AttrIsAnimating()) {
Element()->AnimationNeedsResample();
}
return domItem.forget();
}
nsISVGPoint*
DOMSVGPointList::IndexedGetter(uint32_t aIndex, bool& aFound,
ErrorResult& aError)
{
if (IsAnimValList()) {
Element()->FlushAnimations();
}
aFound = aIndex < LengthNoFlush();
if (aFound) {
EnsureItemAt(aIndex);
return mItems[aIndex];
}
return nullptr;
}
already_AddRefed<SVGTransform>
DOMSVGTransformList::InsertItemBefore(SVGTransform& newItem,
uint32_t index, ErrorResult& error)
{
if (IsAnimValList()) {
error.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
index = std::min(index, LengthNoFlush());
if (index >= SVGTransform::MaxListIndex()) {
error.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsRefPtr<SVGTransform> domItem = &newItem;
if (newItem.HasOwner()) {
domItem = newItem.Clone(); // must do this before changing anything!
}
// Ensure we have enough memory so we can avoid complex error handling below:
if (!mItems.SetCapacity(mItems.Length() + 1) ||
!InternalList().SetCapacity(InternalList().Length() + 1)) {
error.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
nsAttrValue emptyOrOldValue = Element()->WillChangeTransformList();
// Now that we know we're inserting, keep animVal list in sync as necessary.
MaybeInsertNullInAnimValListAt(index);
InternalList().InsertItem(index, domItem->ToSVGTransform());
mItems.InsertElementAt(index, domItem.get());
// This MUST come after the insertion into InternalList(), or else under the
// insertion into InternalList() the values read from domItem would be bad
// data from InternalList() itself!:
domItem->InsertingIntoList(this, index, IsAnimValList());
UpdateListIndicesFromIndex(mItems, index + 1);
Element()->DidChangeTransformList(emptyOrOldValue);
if (mAList->IsAnimating()) {
Element()->AnimationNeedsResample();
}
return domItem.forget();
}
already_AddRefed<DOMSVGPathSeg>
DOMSVGPathSegList::RemoveItem(uint32_t aIndex,
ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
if (aIndex >= LengthNoFlush()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
// We have to return the removed item, so make sure it exists:
EnsureItemAt(aIndex);
nsAttrValue emptyOrOldValue = Element()->WillChangePathSegList();
// Notify the DOM item of removal *before* modifying the lists so that the
// DOM item can copy its *old* value:
ItemAt(aIndex)->RemovingFromList();
nsRefPtr<DOMSVGPathSeg> result = ItemAt(aIndex);
uint32_t internalIndex = mItems[aIndex].mInternalDataIndex;
uint32_t segType = SVGPathSegUtils::DecodeType(InternalList().mData[internalIndex]);
// NOTE: ArgCountForType returns a (small) unsigned value, but we're
// intentionally putting it in a signed value, because we're going to
// negate it, and you can't negate an unsigned value.
int32_t argCount = SVGPathSegUtils::ArgCountForType(segType);
// Now that we know we're removing, keep animVal list in sync as necessary.
// Do this *before* touching InternalList() so the removed item can get its
// internal value.
MaybeRemoveItemFromAnimValListAt(aIndex, argCount);
InternalList().mData.RemoveElementsAt(internalIndex, 1 + argCount);
mItems.RemoveElementAt(aIndex);
UpdateListIndicesFromIndex(aIndex, -(argCount + 1));
Element()->DidChangePathSegList(emptyOrOldValue);
if (AttrIsAnimating()) {
Element()->AnimationNeedsResample();
}
return result.forget();
}
//----------------------------------------------------------------------
void
DOMSVGTransformList::Clear(ErrorResult& error)
{
if (IsAnimValList()) {
error.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return;
}
if (LengthNoFlush() > 0) {
AutoChangeTransformListNotifier notifier(this);
// Notify any existing DOM items of removal *before* truncating the lists
// so that they can find their SVGTransform internal counterparts and copy
// their values. This also notifies the animVal list:
mAList->InternalBaseValListWillChangeLengthTo(0);
mItems.Clear();
InternalList().Clear();
}
}
already_AddRefed<nsIDOMSVGPoint>
DOMSVGPointList::ReplaceItem(nsIDOMSVGPoint *aNewItem, uint32_t aIndex,
ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
nsCOMPtr<DOMSVGPoint> domItem = do_QueryInterface(aNewItem);
if (!domItem) {
aError.Throw(NS_ERROR_DOM_SVG_WRONG_TYPE_ERR);
return nullptr;
}
if (aIndex >= LengthNoFlush()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
if (domItem->HasOwner() || domItem->IsReadonly()) {
domItem = domItem->Clone(); // must do this before changing anything!
}
nsAttrValue emptyOrOldValue = Element()->WillChangePointList();
if (mItems[aIndex]) {
// Notify any existing DOM item of removal *before* modifying the lists so
// that the DOM item can copy the *old* value at its index:
mItems[aIndex]->RemovingFromList();
}
InternalList()[aIndex] = domItem->ToSVGPoint();
mItems[aIndex] = domItem;
// This MUST come after the ToSVGPoint() call, otherwise that call
// would end up reading bad data from InternalList()!
domItem->InsertingIntoList(this, aIndex, IsAnimValList());
Element()->DidChangePointList(emptyOrOldValue);
if (AttrIsAnimating()) {
Element()->AnimationNeedsResample();
}
return domItem.forget();
}
already_AddRefed<nsISVGPoint>
DOMSVGPointList::RemoveItem(uint32_t aIndex, ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
if (aIndex >= LengthNoFlush()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsAttrValue emptyOrOldValue = Element()->WillChangePointList();
// Now that we know we're removing, keep animVal list in sync as necessary.
// Do this *before* touching InternalList() so the removed item can get its
// internal value.
MaybeRemoveItemFromAnimValListAt(aIndex);
// We have to return the removed item, so make sure it exists:
EnsureItemAt(aIndex);
// Notify the DOM item of removal *before* modifying the lists so that the
// DOM item can copy its *old* value:
mItems[aIndex]->RemovingFromList();
nsCOMPtr<nsISVGPoint> result = mItems[aIndex];
InternalList().RemoveItem(aIndex);
mItems.RemoveElementAt(aIndex);
UpdateListIndicesFromIndex(mItems, aIndex);
Element()->DidChangePointList(emptyOrOldValue);
if (AttrIsAnimating()) {
Element()->AnimationNeedsResample();
}
return result.forget();
}
//----------------------------------------------------------------------
void
DOMSVGTransformList::Clear(ErrorResult& error)
{
if (IsAnimValList()) {
error.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return;
}
if (LengthNoFlush() > 0) {
nsAttrValue emptyOrOldValue = Element()->WillChangeTransformList();
// Notify any existing DOM items of removal *before* truncating the lists
// so that they can find their SVGTransform internal counterparts and copy
// their values. This also notifies the animVal list:
mAList->InternalBaseValListWillChangeLengthTo(0);
mItems.Clear();
InternalList().Clear();
Element()->DidChangeTransformList(emptyOrOldValue);
if (mAList->IsAnimating()) {
Element()->AnimationNeedsResample();
}
}
}
already_AddRefed<SVGTransform>
DOMSVGTransformList::RemoveItem(uint32_t index, ErrorResult& error)
{
if (IsAnimValList()) {
error.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
if (index >= LengthNoFlush()) {
error.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsAttrValue emptyOrOldValue = Element()->WillChangeTransformList();
// Now that we know we're removing, keep animVal list in sync as necessary.
// Do this *before* touching InternalList() so the removed item can get its
// internal value.
MaybeRemoveItemFromAnimValListAt(index);
// We have to return the removed item, so get it, creating it if necessary:
nsRefPtr<SVGTransform> result = GetItemAt(index);
// Notify the DOM item of removal *before* modifying the lists so that the
// DOM item can copy its *old* value:
result->RemovingFromList();
InternalList().RemoveItem(index);
mItems.RemoveElementAt(index);
UpdateListIndicesFromIndex(mItems, index);
Element()->DidChangeTransformList(emptyOrOldValue);
if (mAList->IsAnimating()) {
Element()->AnimationNeedsResample();
}
return result.forget();
}
already_AddRefed<nsISVGPoint>
DOMSVGPointList::ReplaceItem(nsISVGPoint& aNewItem, uint32_t aIndex,
ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
if (aIndex >= LengthNoFlush()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsCOMPtr<nsISVGPoint> domItem = &aNewItem;
if (domItem->HasOwner() || domItem->IsReadonly() ||
domItem->IsTranslatePoint()) {
domItem = domItem->Copy(); // must do this before changing anything!
}
AutoChangePointListNotifier notifier(this);
if (mItems[aIndex]) {
// Notify any existing DOM item of removal *before* modifying the lists so
// that the DOM item can copy the *old* value at its index:
mItems[aIndex]->RemovingFromList();
}
InternalList()[aIndex] = domItem->ToSVGPoint();
mItems[aIndex] = domItem;
// This MUST come after the ToSVGPoint() call, otherwise that call
// would end up reading bad data from InternalList()!
domItem->InsertingIntoList(this, aIndex, IsAnimValList());
return domItem.forget();
}
already_AddRefed<DOMSVGPathSeg>
DOMSVGPathSegList::ReplaceItem(DOMSVGPathSeg& aNewItem,
uint32_t aIndex,
ErrorResult& aError)
{
if (IsAnimValList()) {
aError.Throw(NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR);
return nullptr;
}
if (aIndex >= LengthNoFlush()) {
aError.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return nullptr;
}
nsRefPtr<DOMSVGPathSeg> domItem = &aNewItem;
if (domItem->HasOwner()) {
domItem = domItem->Clone(); // must do this before changing anything!
}
nsAttrValue emptyOrOldValue = Element()->WillChangePathSegList();
if (ItemAt(aIndex)) {
// Notify any existing DOM item of removal *before* modifying the lists so
// that the DOM item can copy the *old* value at its index:
ItemAt(aIndex)->RemovingFromList();
}
uint32_t internalIndex = mItems[aIndex].mInternalDataIndex;
// We use InternalList() to get oldArgCount since we may not have a DOM
// wrapper at the index being replaced.
uint32_t oldType = SVGPathSegUtils::DecodeType(InternalList().mData[internalIndex]);
// NOTE: ArgCountForType returns a (small) unsigned value, but we're
// intentionally putting it in a signed variable, because we're going to
// subtract these values and might produce something negative.
int32_t oldArgCount = SVGPathSegUtils::ArgCountForType(oldType);
int32_t newArgCount = SVGPathSegUtils::ArgCountForType(domItem->Type());
float segAsRaw[1 + NS_SVG_PATH_SEG_MAX_ARGS];
domItem->ToSVGPathSegEncodedData(segAsRaw);
bool ok = !!InternalList().mData.ReplaceElementsAt(
internalIndex, 1 + oldArgCount,
segAsRaw, 1 + newArgCount);
if (!ok) {
aError.Throw(NS_ERROR_OUT_OF_MEMORY);
return nullptr;
}
ItemAt(aIndex) = domItem;
// This MUST come after the ToSVGPathSegEncodedData call, otherwise that call
// would end up reading bad data from InternalList()!
domItem->InsertingIntoList(this, aIndex, IsAnimValList());
int32_t delta = newArgCount - oldArgCount;
if (delta != 0) {
for (uint32_t i = aIndex + 1; i < LengthNoFlush(); ++i) {
mItems[i].mInternalDataIndex += delta;
}
}
Element()->DidChangePathSegList(emptyOrOldValue);
if (AttrIsAnimating()) {
Element()->AnimationNeedsResample();
}
return domItem.forget();
}
NS_IMETHODIMP
DOMSVGPointList::GetLength(uint32_t *aLength)
{
*aLength = LengthNoFlush();
return NS_OK;
}
