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Diffstat (limited to 'dom/base/nsNodeInfoManager.cpp')
-rw-r--r--dom/base/nsNodeInfoManager.cpp33
1 files changed, 30 insertions, 3 deletions
diff --git a/dom/base/nsNodeInfoManager.cpp b/dom/base/nsNodeInfoManager.cpp
index 80f0aa786..1f751ea71 100644
--- a/dom/base/nsNodeInfoManager.cpp
+++ b/dom/base/nsNodeInfoManager.cpp
@@ -112,7 +112,8 @@ nsNodeInfoManager::nsNodeInfoManager()
mNonDocumentNodeInfos(0),
mTextNodeInfo(nullptr),
mCommentNodeInfo(nullptr),
- mDocumentNodeInfo(nullptr)
+ mDocumentNodeInfo(nullptr),
+ mRecentlyUsedNodeInfos{}
{
nsLayoutStatics::AddRef();
@@ -232,11 +233,19 @@ nsNodeInfoManager::GetNodeInfo(nsIAtom *aName, nsIAtom *aPrefix,
NodeInfo::NodeInfoInner tmpKey(aName, aPrefix, aNamespaceID, aNodeType,
aExtraName);
+ uint32_t index =
+ GetNodeInfoInnerHashValue(&tmpKey) % RECENTLY_USED_NODEINFOS_SIZE;
+ NodeInfo* ni = mRecentlyUsedNodeInfos[index];
+ if (ni && NodeInfoInnerKeyCompare(&(ni->mInner), &tmpKey)) {
+ RefPtr<NodeInfo> nodeInfo = ni;
+ return nodeInfo.forget();
+ }
+
void *node = PL_HashTableLookup(mNodeInfoHash, &tmpKey);
if (node) {
RefPtr<NodeInfo> nodeInfo = static_cast<NodeInfo*>(node);
-
+ mRecentlyUsedNodeInfos[index] = nodeInfo;
return nodeInfo.forget();
}
@@ -254,6 +263,7 @@ nsNodeInfoManager::GetNodeInfo(nsIAtom *aName, nsIAtom *aPrefix,
NS_IF_ADDREF(mDocument);
}
+ mRecentlyUsedNodeInfos[index] = newNodeInfo;
return newNodeInfo.forget();
}
@@ -272,16 +282,26 @@ nsNodeInfoManager::GetNodeInfo(const nsAString& aName, nsIAtom *aPrefix,
NodeInfo::NodeInfoInner tmpKey(aName, aPrefix, aNamespaceID, aNodeType);
+ uint32_t index =
+ GetNodeInfoInnerHashValue(&tmpKey) % RECENTLY_USED_NODEINFOS_SIZE;
+ NodeInfo* ni = mRecentlyUsedNodeInfos[index];
+ if (ni && NodeInfoInnerKeyCompare(&(ni->mInner), &tmpKey)) {
+ RefPtr<NodeInfo> nodeInfo = ni;
+ nodeInfo.forget(aNodeInfo);
+ return NS_OK;
+ }
+
void *node = PL_HashTableLookup(mNodeInfoHash, &tmpKey);
if (node) {
RefPtr<NodeInfo> nodeInfo = static_cast<NodeInfo*>(node);
+ mRecentlyUsedNodeInfos[index] = nodeInfo;
nodeInfo.forget(aNodeInfo);
return NS_OK;
}
- nsCOMPtr<nsIAtom> nameAtom = NS_Atomize(aName);
+ nsCOMPtr<nsIAtom> nameAtom = NS_AtomizeMainThread(aName);
NS_ENSURE_TRUE(nameAtom, NS_ERROR_OUT_OF_MEMORY);
RefPtr<NodeInfo> newNodeInfo =
@@ -297,6 +317,7 @@ nsNodeInfoManager::GetNodeInfo(const nsAString& aName, nsIAtom *aPrefix,
NS_IF_ADDREF(mDocument);
}
+ mRecentlyUsedNodeInfos[index] = newNodeInfo;
newNodeInfo.forget(aNodeInfo);
return NS_OK;
@@ -421,6 +442,12 @@ nsNodeInfoManager::RemoveNodeInfo(NodeInfo *aNodeInfo)
}
}
+ uint32_t index =
+ GetNodeInfoInnerHashValue(&aNodeInfo->mInner) % RECENTLY_USED_NODEINFOS_SIZE;
+ if (mRecentlyUsedNodeInfos[index] == aNodeInfo) {
+ mRecentlyUsedNodeInfos[index] = nullptr;
+ }
+
#ifdef DEBUG
bool ret =
#endif