void
nsReferencedElement::Traverse(nsCycleCollectionTraversalCallback* aCB)
{
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*aCB, "mWatchDocument");
aCB->NoteXPCOMChild(mWatchDocument);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*aCB, "mContent");
aCB->NoteXPCOMChild(mElement);
}
static PLDHashOperator
TraverseRuleToBindingsMap(nsISupports* aKey, nsXMLBindingSet* aMatch, void* aContext)
{
nsCycleCollectionTraversalCallback *cb =
static_cast<nsCycleCollectionTraversalCallback*>(aContext);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, "mRuleToBindingsMap key");
cb->NoteXPCOMChild(aKey);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, "mRuleToBindingsMap value");
cb->NoteNativeChild(aMatch, &NS_CYCLE_COLLECTION_NAME(nsXMLBindingSet));
return PL_DHASH_NEXT;
}
void
nsSelectionState::DoTraverse(nsCycleCollectionTraversalCallback &cb)
{
for (PRUint32 i = 0, iEnd = mArray.Length(); i < iEnd; ++i)
{
nsRangeStore &item = mArray[i];
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb,
"selection state mArray[i].startNode");
cb.NoteXPCOMChild(item.startNode);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb,
"selection state mArray[i].endNode");
cb.NoteXPCOMChild(item.endNode);
}
}
NS_CYCLE_COLLECTION_CLASSNAME(nsXPCWrappedJS)::Traverse
(void *p, nsCycleCollectionTraversalCallback &cb)
{
nsISupports *s = static_cast<nsISupports*>(p);
NS_ASSERTION(CheckForRightISupports(s),
"not the nsISupports pointer we expect");
nsXPCWrappedJS *tmp = Downcast(s);
nsrefcnt refcnt = tmp->mRefCnt.get();
if (cb.WantDebugInfo()) {
char name[72];
if (tmp->GetClass())
JS_snprintf(name, sizeof(name), "nsXPCWrappedJS (%s)",
tmp->GetClass()->GetInterfaceName());
else
JS_snprintf(name, sizeof(name), "nsXPCWrappedJS");
cb.DescribeRefCountedNode(refcnt, sizeof(nsXPCWrappedJS), name);
} else {
NS_IMPL_CYCLE_COLLECTION_DESCRIBE(nsXPCWrappedJS, refcnt)
}
// nsXPCWrappedJS keeps its own refcount artificially at or above 1, see the
// comment above nsXPCWrappedJS::AddRef.
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "self");
cb.NoteXPCOMChild(s);
if (refcnt > 1) {
// nsXPCWrappedJS roots its mJSObj when its refcount is > 1, see
// the comment above nsXPCWrappedJS::AddRef.
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mJSObj");
cb.NoteScriptChild(nsIProgrammingLanguage::JAVASCRIPT,
tmp->GetJSObjectPreserveColor());
}
nsXPCWrappedJS* root = tmp->GetRootWrapper();
if (root == tmp) {
// The root wrapper keeps the aggregated native object alive.
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "aggregated native");
cb.NoteXPCOMChild(tmp->GetAggregatedNativeObject());
} else {
// Non-root wrappers keep their root alive.
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "root");
cb.NoteXPCOMChild(static_cast<nsIXPConnectWrappedJS*>(root));
}
return NS_OK;
}
static void
NoteChild(void *aScriptThing, const char *name, void *aClosure)
{
nsCycleCollectionTraversalCallback *cb =
static_cast<nsCycleCollectionTraversalCallback*>(aClosure);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, name);
cb->NoteJSChild(aScriptThing);
}
// Cycle-collection support
void
nsSMILCompositor::Traverse(nsCycleCollectionTraversalCallback* aCallback)
{
if (!mKey.mElement)
return;
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*aCallback, "Compositor mKey.mElement");
aCallback->NoteXPCOMChild(mKey.mElement);
}
void
nsSMILTimeContainer::Traverse(nsCycleCollectionTraversalCallback* aCallback)
{
const MilestoneEntry* p = mMilestoneEntries.Elements();
while (p < mMilestoneEntries.Elements() + mMilestoneEntries.Length()) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*aCallback, "mTimebase");
aCallback->NoteXPCOMChild(p->mTimebase.get());
++p;
}
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(HTMLOptionsCollection)
{
uint32_t i;
for (i = 0; i < tmp->mElements.Length(); ++i) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mElements[i]");
cb.NoteXPCOMChild(static_cast<Element*>(tmp->mElements[i]));
}
}
static void
TraverseElements(nsCycleCollectionTraversalCallback& cb,
const nsTArray<T>& array,
const char* name)
{
for (uint32_t i = 0, length = array.Length(); i < length; ++i) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, name);
AudioNode* node = array[i].get();
cb.NoteXPCOMChild(node);
}
}
void
nsTransactionStack::DoTraverse(nsCycleCollectionTraversalCallback &cb)
{
for (PRInt32 i = 0, qcount = mQue.GetSize(); i < qcount; ++i) {
nsTransactionItem *item =
static_cast<nsTransactionItem*>(mQue.ObjectAt(i));
if (item) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "transaction stack mQue[i]");
cb.NoteNativeChild(item, &NS_CYCLE_COLLECTION_NAME(nsTransactionItem));
}
}
}
void
nsTransactionStack::DoTraverse(nsCycleCollectionTraversalCallback &cb)
{
int32_t size = GetSize();
for (int32_t i = 0; i < size; ++i) {
nsTransactionItem* item = static_cast<nsTransactionItem*>(nsDeque::ObjectAt(i));
if (item) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "transaction stack mDeque[i]");
cb.NoteNativeChild(item, NS_CYCLE_COLLECTION_PARTICIPANT(nsTransactionItem));
}
}
}
void
nsSMILTimeContainer::Traverse(nsCycleCollectionTraversalCallback* aCallback)
{
AutoRestore<bool> saveHolding(mHoldingEntries);
mHoldingEntries = true;
const MilestoneEntry* p = mMilestoneEntries.Elements();
while (p < mMilestoneEntries.Elements() + mMilestoneEntries.Length()) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*aCallback, "mTimebase");
aCallback->NoteXPCOMChild(static_cast<nsIContent*>(p->mTimebase.get()));
++p;
}
}
static PLDHashOperator
TraverseKey(nsISupports* aKey, nsInsertionPointList* aData, void* aClosure)
{
nsCycleCollectionTraversalCallback &cb =
*static_cast<nsCycleCollectionTraversalCallback*>(aClosure);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mInsertionPointTable key");
cb.NoteXPCOMChild(aKey);
if (aData) {
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSTARRAY(*aData, nsXBLInsertionPoint,
"mInsertionPointTable value")
}
return PL_DHASH_NEXT;
}
void
CustomElementData::Traverse(nsCycleCollectionTraversalCallback& aCb) const
{
for (uint32_t i = 0; i < mReactionQueue.Length(); i++) {
if (mReactionQueue[i]) {
mReactionQueue[i]->Traverse(aCb);
}
}
if (mCustomElementDefinition) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(aCb, "mCustomElementDefinition");
aCb.NoteNativeChild(mCustomElementDefinition,
NS_CYCLE_COLLECTION_PARTICIPANT(CustomElementDefinition));
}
}
void
nsScriptObjectTracer::NoteJSChild(JS::GCCellPtr aGCThing, const char* aName,
void* aClosure)
{
nsCycleCollectionTraversalCallback* cb =
static_cast<nsCycleCollectionTraversalCallback*>(aClosure);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(*cb, aName);
if (aGCThing.is<JSObject>()) {
cb->NoteJSObject(&aGCThing.as<JSObject>());
} else if (aGCThing.is<JSScript>()) {
cb->NoteJSScript(&aGCThing.as<JSScript>());
} else {
MOZ_ASSERT(!mozilla::AddToCCKind(aGCThing.kind()));
}
}
void
nsHostObjectProtocolHandler::Traverse(const nsACString& aUri,
nsCycleCollectionTraversalCallback& aCallback)
{
if (!gDataTable) {
return;
}
DataInfo* res;
gDataTable->Get(aUri, &res);
if (!res) {
return;
}
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(aCallback, "HostObjectProtocolHandler DataInfo.mObject");
aCallback.NoteXPCOMChild(res->mObject);
}
