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Bug 1168007 (part 2) - Use PLDHashTable2 in nsFrameManagerBase. r=froydnj.

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This commit is contained in:
Nicholas Nethercote 2015-05-18 19:24:34 -07:00
parent f7e35f3076
commit 69832417c4
2 changed files with 15 additions and 16 deletions
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19
layout/base/nsFrameManager.cpp
View File

@ -76,6 +76,17 @@ static const PLDHashTableOps PlaceholderMapOps = {
nullptr
};
nsFrameManagerBase::nsFrameManagerBase()
: mPresShell(nullptr)
, mStyleSet(nullptr)
, mRootFrame(nullptr)
, mPlaceholderMap(&PlaceholderMapOps, sizeof(PlaceholderMapEntry))
, mUndisplayedMap(nullptr)
, mDisplayContentsMap(nullptr)
, mIsDestroyingFrames(false)
{
}
//----------------------------------------------------------------------
// XXXldb This seems too complicated for what I think it's doing, and it
@ -155,7 +166,7 @@ nsFrameManager::GetPlaceholderFrameFor(const nsIFrame* aFrame)
if (mPlaceholderMap.IsInitialized()) {
PlaceholderMapEntry *entry = static_cast<PlaceholderMapEntry*>
(PL_DHashTableSearch(const_cast<PLDHashTable*>(&mPlaceholderMap),
(PL_DHashTableSearch(const_cast<PLDHashTable2*>(&mPlaceholderMap),
aFrame));
if (entry) {
return entry->placeholderFrame;
@ -171,10 +182,6 @@ nsFrameManager::RegisterPlaceholderFrame(nsPlaceholderFrame* aPlaceholderFrame)
NS_PRECONDITION(aPlaceholderFrame, "null param unexpected");
NS_PRECONDITION(nsGkAtoms::placeholderFrame == aPlaceholderFrame->GetType(),
"unexpected frame type");
if (!mPlaceholderMap.IsInitialized()) {
PL_DHashTableInit(&mPlaceholderMap, &PlaceholderMapOps,
sizeof(PlaceholderMapEntry));
}
PlaceholderMapEntry *entry = static_cast<PlaceholderMapEntry*>
(PL_DHashTableAdd(&mPlaceholderMap,
aPlaceholderFrame->GetOutOfFlowFrame(), fallible));
@ -214,7 +221,7 @@ nsFrameManager::ClearPlaceholderFrameMap()
{
if (mPlaceholderMap.IsInitialized()) {
PL_DHashTableEnumerate(&mPlaceholderMap, UnregisterPlaceholders, nullptr);
PL_DHashTableFinish(&mPlaceholderMap);
mPlaceholderMap.Clear();
}
}

12
layout/base/nsFrameManagerBase.h
View File

@ -30,15 +30,7 @@ class nsStyleSet;
class nsFrameManagerBase
{
public:
nsFrameManagerBase()
: mPresShell(nullptr)
, mStyleSet(nullptr)
, mRootFrame(nullptr)
, mUndisplayedMap(nullptr)
, mDisplayContentsMap(nullptr)
, mIsDestroyingFrames(false)
{
}
nsFrameManagerBase();
bool IsDestroyingFrames() { return mIsDestroyingFrames; }
@ -64,7 +56,7 @@ protected:
// the pres shell owns the style set
nsStyleSet* mStyleSet;
nsIFrame* mRootFrame;
PLDHashTable mPlaceholderMap;
PLDHashTable2 mPlaceholderMap;
UndisplayedMap* mUndisplayedMap;
UndisplayedMap* mDisplayContentsMap;
bool mIsDestroyingFrames; // The frame manager is destroying some frame(s).