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Bug 1419305 - Part 1: Use MicroTask on CustomElements correctly

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Tag UXP Issue #1344
This commit is contained in:
Gaming4JC 2020-01-22 21:17:30 -05:00 • committed by Roy Tam
commit 8a0e7286e0
2 changed files with 7 additions and 8 deletions
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5
dom/base/CustomElementRegistry.cpp
View file

@ -1019,9 +1019,8 @@ CustomElementReactionsStack::Enqueue(Element* aElement,
} }
CycleCollectedJSContext* context = CycleCollectedJSContext::Get(); CycleCollectedJSContext* context = CycleCollectedJSContext::Get();
RefPtr<ProcessBackupQueueRunnable> processBackupQueueRunnable = RefPtr<BackupQueueMicroTask> bqmt = new BackupQueueMicroTask(this);
new ProcessBackupQueueRunnable(this); context->DispatchMicroTaskRunnable(bqmt.forget());
context->DispatchToMicroTask(processBackupQueueRunnable.forget());
} }
void void

10
dom/base/CustomElementRegistry.h
View file

@ -311,21 +311,21 @@ private:
void Enqueue(Element* aElement, CustomElementReaction* aReaction); void Enqueue(Element* aElement, CustomElementReaction* aReaction);
private: private:
class ProcessBackupQueueRunnable : public mozilla::Runnable { class BackupQueueMicroTask final : public mozilla::MicroTaskRunnable {
public: public:
explicit ProcessBackupQueueRunnable(CustomElementReactionsStack* aReactionStack) explicit BackupQueueMicroTask(CustomElementReactionsStack* aReactionStack)
: mReactionStack(aReactionStack) : MicroTaskRunnable()
, mReactionStack(aReactionStack)
{ {
MOZ_ASSERT(!mReactionStack->mIsBackupQueueProcessing, MOZ_ASSERT(!mReactionStack->mIsBackupQueueProcessing,
"mIsBackupQueueProcessing should be initially false"); "mIsBackupQueueProcessing should be initially false");
mReactionStack->mIsBackupQueueProcessing = true; mReactionStack->mIsBackupQueueProcessing = true;
} }
NS_IMETHOD Run() override virtual void Run(AutoSlowOperation& aAso) override
{ {
mReactionStack->InvokeBackupQueue(); mReactionStack->InvokeBackupQueue();
mReactionStack->mIsBackupQueueProcessing = false; mReactionStack->mIsBackupQueueProcessing = false;
return NS_OK;
} }
private: private: