本文整理汇总了C++中nsCycleCollectionTraversalCallback::NoteJSObject方法的典型用法代码示例。如果您正苦于以下问题:C++ nsCycleCollectionTraversalCallback::NoteJSObject方法的具体用法?C++ nsCycleCollectionTraversalCallback::NoteJSObject怎么用?C++ nsCycleCollectionTraversalCallback::NoteJSObject使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类nsCycleCollectionTraversalCallback
的用法示例。
在下文中一共展示了nsCycleCollectionTraversalCallback::NoteJSObject方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Downcast
NS_CYCLE_COLLECTION_CLASSNAME(nsXPCWrappedJS)::Traverse
(void *p, nsCycleCollectionTraversalCallback &cb)
{
nsISupports *s = static_cast<nsISupports*>(p);
MOZ_ASSERT(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, name);
} else {
NS_IMPL_CYCLE_COLLECTION_DESCRIBE(nsXPCWrappedJS, refcnt)
}
// A wrapper that is subject to finalization will only die when its JS object dies.
if (tmp->IsSubjectToFinalization())
return NS_OK;
// Don't let the extra reference for nsSupportsWeakReference keep a wrapper that is
// not subject to finalization alive.
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "self");
cb.NoteXPCOMChild(s);
if (tmp->IsValid()) {
MOZ_ASSERT(refcnt > 1);
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mJSObj");
cb.NoteJSObject(tmp->GetJSObjectPreserveColor());
}
if (tmp->IsRootWrapper()) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "aggregated native");
cb.NoteXPCOMChild(tmp->GetAggregatedNativeObject());
} else {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "root");
cb.NoteXPCOMChild(ToSupports(tmp->GetRootWrapper()));
}
return NS_OK;
}