nsresult
nsDOMWorkerScriptLoader::LoadScripts(JSContext* aCx,
const nsTArray<nsString>& aURLs,
PRBool aForWorker)
{
NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aCx, "Null context!");
mTarget = NS_GetCurrentThread();
NS_ASSERTION(mTarget, "This should never be null!");
if (mCanceled) {
return NS_ERROR_ABORT;
}
mForWorker = aForWorker;
mScriptCount = aURLs.Length();
if (!mScriptCount) {
return NS_ERROR_INVALID_ARG;
}
// Do all the memory work for these arrays now rather than checking for
// failures all along the way.
PRBool success = mLoadInfos.SetCapacity(mScriptCount);
NS_ENSURE_TRUE(success, NS_ERROR_OUT_OF_MEMORY);
// Need one runnable per script and then an extra for the finished
// notification.
success = mPendingRunnables.SetCapacity(mScriptCount + 1);
NS_ENSURE_TRUE(success, NS_ERROR_OUT_OF_MEMORY);
for (PRUint32 index = 0; index < mScriptCount; index++) {
ScriptLoadInfo* newInfo = mLoadInfos.AppendElement();
NS_ASSERTION(newInfo, "Shouldn't fail if SetCapacity succeeded above!");
newInfo->url.Assign(aURLs[index]);
if (newInfo->url.IsEmpty()) {
return NS_ERROR_INVALID_ARG;
}
success = newInfo->scriptObj.Hold(aCx);
NS_ENSURE_TRUE(success, NS_ERROR_FAILURE);
}
// Don't want timeouts, etc., from queuing up while we're waiting on the
// network or compiling.
AutoSuspendWorkerEvents aswe(this);
nsresult rv = DoRunLoop(aCx);
if (NS_FAILED(rv)) {
return rv;
}
// Verify that all scripts downloaded and compiled.
rv = VerifyScripts(aCx);
if (NS_FAILED(rv)) {
return rv;
}
rv = ExecuteScripts(aCx);
if (NS_FAILED(rv)) {
return rv;
}
return NS_OK;
}
int Engine::Run()
{
return DoRunLoop();
}
