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Bug 1268213 - BlobImplFile::GetTypeRunnable can be a WorkerMainThreadRunnable, r=khuey

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This commit is contained in:
Andrea Marchesini 2016-05-03 09:09:47 +02:00
parent 513590a1ac
commit f43145b4f3
1 changed files with 10 additions and 22 deletions
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32
dom/base/File.cpp
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@ -866,43 +866,33 @@ BlobImplFile::GetSize(ErrorResult& aRv)
namespace {
class GetTypeRunnable final : public Runnable
class GetTypeRunnable final : public WorkerMainThreadRunnable
{
public:
GetTypeRunnable(WorkerPrivate* aWorkerPrivate,
nsIEventTarget* aSyncLoopTarget,
BlobImpl* aBlobImpl)
: mWorkerPrivate(aWorkerPrivate)
, mSyncLoopTarget(aSyncLoopTarget)
: WorkerMainThreadRunnable(aWorkerPrivate,
NS_LITERAL_CSTRING("BlobImplFile :: GetType"))
, mBlobImpl(aBlobImpl)
{
MOZ_ASSERT(aWorkerPrivate);
MOZ_ASSERT(aSyncLoopTarget);
MOZ_ASSERT(aBlobImpl);
aWorkerPrivate->AssertIsOnWorkerThread();
}
NS_IMETHOD
Run() override
bool
MainThreadRun() override
{
MOZ_ASSERT(NS_IsMainThread());
nsAutoString type;
mBlobImpl->GetType(type);
RefPtr<MainThreadStopSyncLoopRunnable> runnable =
new MainThreadStopSyncLoopRunnable(mWorkerPrivate,
mSyncLoopTarget.forget(), true);
NS_WARN_IF(!runnable->Dispatch());
return NS_OK;
return true;
}
private:
~GetTypeRunnable()
{}
WorkerPrivate* mWorkerPrivate;
nsCOMPtr<nsIEventTarget> mSyncLoopTarget;
RefPtr<BlobImpl> mBlobImpl;
};
@ -925,14 +915,12 @@ BlobImplFile::GetType(nsAString& aType)
return;
}
AutoSyncLoopHolder syncLoop(workerPrivate);
RefPtr<GetTypeRunnable> runnable =
new GetTypeRunnable(workerPrivate, syncLoop.EventTarget(), this);
nsresult rv = NS_DispatchToMainThread(runnable);
NS_WARN_IF(NS_FAILED(rv));
new GetTypeRunnable(workerPrivate, this);
NS_WARN_IF(!syncLoop.Run());
ErrorResult rv;
runnable->Dispatch(rv);
NS_WARN_IF(rv.Failed());
return;
}