DOMSVGPointList::~DOMSVGPointList()
{
// There are now no longer any references to us held by script or list items.
// Note we must use GetAnimValKey/GetBaseValKey here, NOT InternalList()!
void *key = mIsAnimValList ?
InternalAList().GetAnimValKey() :
InternalAList().GetBaseValKey();
SVGPointListTearoffTable().RemoveTearoff(key);
}
void
DOMSVGPathSegList::
MaybeRemoveItemFromAnimValListAt(uint32_t aIndex,
int32_t aArgCountForItem)
{
MOZ_ASSERT(!IsAnimValList(), "call from baseVal to animVal");
if (AttrIsAnimating()) {
// animVal not a clone of baseVal
return;
}
// This needs to be a strong reference; otherwise, the RemovingFromList call
// below might drop the last reference to animVal before we're done with it.
nsRefPtr<DOMSVGPathSegList> animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (!animVal) {
// No animVal list wrapper
return;
}
MOZ_ASSERT(animVal->mItems.Length() == mItems.Length(),
"animVal list not in sync!");
if (animVal->ItemAt(aIndex)) {
animVal->ItemAt(aIndex)->RemovingFromList();
}
animVal->mItems.RemoveElementAt(aIndex);
animVal->UpdateListIndicesFromIndex(aIndex, -(1 + aArgCountForItem));
}
void
DOMSVGPointList::MaybeRemoveItemFromAnimValListAt(uint32_t aIndex)
{
MOZ_ASSERT(!IsAnimValList(), "call from baseVal to animVal");
if (!AnimListMirrorsBaseList()) {
return;
}
// This needs to be a strong reference; otherwise, the RemovingFromList call
// below might drop the last reference to animVal before we're done with it.
RefPtr<DOMSVGPointList> animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
MOZ_ASSERT(animVal, "AnimListMirrorsBaseList() promised a non-null animVal");
MOZ_ASSERT(animVal->mItems.Length() == mItems.Length(),
"animVal list not in sync!");
if (animVal->mItems[aIndex]) {
animVal->mItems[aIndex]->RemovingFromList();
}
animVal->mItems.RemoveElementAt(aIndex);
UpdateListIndicesFromIndex(animVal->mItems, aIndex);
}
void
DOMSVGPathSegList::
MaybeInsertNullInAnimValListAt(uint32_t aIndex,
uint32_t aInternalIndex,
uint32_t aArgCountForItem)
{
NS_ABORT_IF_FALSE(!IsAnimValList(), "call from baseVal to animVal");
if (AttrIsAnimating()) {
// animVal not a clone of baseVal
return;
}
// The anim val list is in sync with the base val list
DOMSVGPathSegList *animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (!animVal) {
// No animVal list wrapper
return;
}
NS_ABORT_IF_FALSE(animVal->mItems.Length() == mItems.Length(),
"animVal list not in sync!");
animVal->mItems.InsertElementAt(aIndex, ItemProxy(nullptr, aInternalIndex));
animVal->UpdateListIndicesFromIndex(aIndex + 1, 1 + aArgCountForItem);
}
void
DOMSVGPathSegList::
MaybeRemoveItemFromAnimValListAt(PRUint32 aIndex,
PRUint32 aArgCountForItem)
{
NS_ABORT_IF_FALSE(!IsAnimValList(), "call from baseVal to animVal");
if (AttrIsAnimating()) {
// animVal not a clone of baseVal
return;
}
DOMSVGPathSegList *animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (!animVal) {
// No animVal list wrapper
return;
}
NS_ABORT_IF_FALSE(animVal->mItems.Length() == mItems.Length(),
"animVal list not in sync!");
if (animVal->ItemAt(aIndex)) {
animVal->ItemAt(aIndex)->RemovingFromList();
}
animVal->mItems.RemoveElementAt(aIndex);
animVal->UpdateListIndicesFromIndex(aIndex, -(1 + aArgCountForItem));
}
NS_IMETHODIMP
DOMSVGPointList::Clear()
{
if (IsAnimValList()) {
return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR;
}
if (Length() > 0) {
// 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();
Element()->DidChangePointList(true);
if (AttrIsAnimating()) {
Element()->AnimationNeedsResample();
}
}
return NS_OK;
}
void
DOMSVGPointList::MaybeRemoveItemFromAnimValListAt(uint32_t aIndex)
{
NS_ABORT_IF_FALSE(!IsAnimValList(), "call from baseVal to animVal");
if (AttrIsAnimating()) {
// animVal not a clone of baseVal
return;
}
// This needs to be a strong reference; otherwise, the RemovingFromList call
// below might drop the last reference to animVal before we're done with it.
nsRefPtr<DOMSVGPointList> animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (!animVal) {
// No animVal list wrapper
return;
}
NS_ABORT_IF_FALSE(animVal->mItems.Length() == mItems.Length(),
"animVal list not in sync!");
if (animVal->mItems[aIndex]) {
animVal->mItems[aIndex]->RemovingFromList();
}
animVal->mItems.RemoveElementAt(aIndex);
UpdateListIndicesFromIndex(animVal->mItems, aIndex);
}
void
DOMSVGPointList::MaybeInsertNullInAnimValListAt(uint32_t aIndex)
{
MOZ_ASSERT(!IsAnimValList(), "call from baseVal to animVal");
if (AttrIsAnimating()) {
// animVal not a clone of baseVal
return;
}
// The anim val list is in sync with the base val list
DOMSVGPointList *animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (!animVal) {
// No animVal list wrapper
return;
}
MOZ_ASSERT(animVal->mItems.Length() == mItems.Length(),
"animVal list not in sync!");
MOZ_ALWAYS_TRUE(animVal->mItems.InsertElementAt(aIndex, nullptr, fallible));
UpdateListIndicesFromIndex(animVal->mItems, aIndex + 1);
}
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();
}
}
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();
}
}
}
void
DOMSVGPointList::MaybeInsertNullInAnimValListAt(uint32_t aIndex)
{
NS_ABORT_IF_FALSE(!IsAnimValList(), "call from baseVal to animVal");
if (AttrIsAnimating()) {
// animVal not a clone of baseVal
return;
}
// The anim val list is in sync with the base val list
DOMSVGPointList *animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
if (!animVal) {
// No animVal list wrapper
return;
}
NS_ABORT_IF_FALSE(animVal->mItems.Length() == mItems.Length(),
"animVal list not in sync!");
animVal->mItems.InsertElementAt(aIndex, static_cast<nsISVGPoint*>(nullptr));
UpdateListIndicesFromIndex(animVal->mItems, aIndex + 1);
}
NS_IMETHODIMP
DOMSVGAnimatedLengthList::GetAnimVal(nsIDOMSVGLengthList **_retval)
{
if (!mAnimVal) {
mAnimVal = new DOMSVGLengthList(this, InternalAList().GetAnimValue());
}
NS_ADDREF(*_retval = mAnimVal);
return NS_OK;
}
/* readonly attribute nsIDOMSVGTransformList animVal; */
NS_IMETHODIMP
DOMSVGAnimatedTransformList::GetAnimVal(nsIDOMSVGTransformList** aAnimVal)
{
if (!mAnimVal) {
mAnimVal = new DOMSVGTransformList(this, InternalAList().GetAnimValue());
}
NS_ADDREF(*aAnimVal = mAnimVal);
return NS_OK;
}
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();
}
NS_INTERFACE_MAP_END
NS_IMETHODIMP
DOMSVGAnimatedLengthList::GetBaseVal(nsIDOMSVGLengthList **_retval)
{
if (!mBaseVal) {
mBaseVal = new DOMSVGLengthList(this, InternalAList().GetBaseValue());
}
NS_ADDREF(*_retval = mBaseVal);
return NS_OK;
}
NS_INTERFACE_MAP_END
//----------------------------------------------------------------------
// nsIDOMSVGAnimatedTransformList methods:
/* readonly attribute nsIDOMSVGTransformList baseVal; */
NS_IMETHODIMP
DOMSVGAnimatedTransformList::GetBaseVal(nsIDOMSVGTransformList** aBaseVal)
{
if (!mBaseVal) {
mBaseVal = new DOMSVGTransformList(this, InternalAList().GetBaseValue());
}
NS_ADDREF(*aBaseVal = mBaseVal);
return NS_OK;
}
void
DOMSVGPointList::MaybeInsertNullInAnimValListAt(uint32_t aIndex)
{
MOZ_ASSERT(!IsAnimValList(), "call from baseVal to animVal");
if (!AnimListMirrorsBaseList()) {
return;
}
// The anim val list is in sync with the base val list
DOMSVGPointList *animVal =
GetDOMWrapperIfExists(InternalAList().GetAnimValKey());
MOZ_ASSERT(animVal, "AnimListMirrorsBaseList() promised a non-null animVal");
MOZ_ASSERT(animVal->mItems.Length() == mItems.Length(),
"animVal list not in sync!");
MOZ_ALWAYS_TRUE(animVal->mItems.InsertElementAt(aIndex, nullptr, fallible));
UpdateListIndicesFromIndex(animVal->mItems, aIndex + 1);
}
bool
DOMSVGAnimatedLengthList::IsAnimating() const
{
return InternalAList().IsAnimating();
}
bool
SVGAnimatedTransformList::IsAnimating() const
{
return InternalAList().IsAnimating();
}
bool
DOMSVGPointList::AnimListMirrorsBaseList() const
{
return GetDOMWrapperIfExists(InternalAList().GetAnimValKey()) &&
!AttrIsAnimating();
}
bool
DOMSVGPointList::AttrIsAnimating() const
{
return InternalAList().IsAnimating();
}
bool
DOMSVGAnimatedNumberList::IsAnimating() const
{
return InternalAList().IsAnimating();
}
DOMSVGAnimatedNumberList::~DOMSVGAnimatedNumberList()
{
// Script no longer has any references to us, to our base/animVal objects, or
// to any of their list items.
SVGAnimatedNumberListTearoffTable().RemoveTearoff(&InternalAList());
}
