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Bug 1835177: Modernize SVGAttrTearoffTable to use StaticAutoPtr to manage deletion. r=boris

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Differential Revision: https://phabricator.services.mozilla.com/D179164
This commit is contained in:
Daniel Holbert 2023-06-01 23:57:08 +00:00
parent 0a47281515
commit d6b5a1fe9e
1 changed files with 6 additions and 4 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

10
dom/svg/SVGAttrTearoffTable.h
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@ -8,6 +8,7 @@
#define DOM_SVG_SVGATTRTEAROFFTABLE_H_
#include "mozilla/DebugOnly.h"
#include "mozilla/StaticPtr.h"
#include "nsTHashMap.h"
#include "nsDebug.h"
#include "nsHashKeys.h"
@ -41,13 +42,15 @@ class SVGAttrTearoffTable {
using SimpleTypePtrKey = nsPtrHashKey<SimpleType>;
using TearoffTable = nsTHashMap<SimpleTypePtrKey, TearoffType*>;
TearoffTable* mTable;
StaticAutoPtr<TearoffTable> mTable;
};
template <class SimpleType, class TearoffType>
TearoffType* SVGAttrTearoffTable<SimpleType, TearoffType>::GetTearoff(
SimpleType* aSimple) {
if (!mTable) return nullptr;
if (!mTable) {
return nullptr;
}
TearoffType* tearoff = nullptr;
@ -62,7 +65,7 @@ template <class SimpleType, class TearoffType>
void SVGAttrTearoffTable<SimpleType, TearoffType>::AddTearoff(
SimpleType* aSimple, TearoffType* aTearoff) {
if (!mTable) {
mTable = new TearoffTable;
mTable = new TearoffTable();
}
// We shouldn't be adding a tear-off if there already is one. If that happens,
@ -86,7 +89,6 @@ void SVGAttrTearoffTable<SimpleType, TearoffType>::RemoveTearoff(
mTable->Remove(aSimple);
if (mTable->Count() == 0) {
delete mTable;
mTable = nullptr;
}
}