void ServiceWorkerGlobalScopeProxy::dispatchForeignFetchEvent(
int fetchEventID,
const WebServiceWorkerRequest& webRequest) {
if (!OriginTrials::foreignFetchEnabled(workerGlobalScope())) {
// If origin trial tokens have expired, or are otherwise no longer valid
// no events should be dispatched.
// TODO(mek): Ideally the browser wouldn't even start the service worker
// if its tokens have expired.
ServiceWorkerGlobalScopeClient::from(workerGlobalScope())
->respondToFetchEvent(fetchEventID, WTF::currentTime());
ServiceWorkerGlobalScopeClient::from(workerGlobalScope())
->didHandleFetchEvent(fetchEventID,
WebServiceWorkerEventResultCompleted,
WTF::currentTime());
return;
}
ScriptState::Scope scope(
workerGlobalScope()->scriptController()->getScriptState());
RefPtr<SecurityOrigin> origin =
SecurityOrigin::create(webRequest.referrerUrl());
WaitUntilObserver* waitUntilObserver = WaitUntilObserver::create(
workerGlobalScope(), WaitUntilObserver::Fetch, fetchEventID);
ForeignFetchRespondWithObserver* respondWithObserver =
ForeignFetchRespondWithObserver::create(
workerGlobalScope(), fetchEventID, webRequest.url(),
webRequest.mode(), webRequest.frameType(),
webRequest.requestContext(), origin, waitUntilObserver);
Request* request = Request::create(
workerGlobalScope()->scriptController()->getScriptState(), webRequest);
request->getHeaders()->setGuard(Headers::ImmutableGuard);
ForeignFetchEventInit eventInit;
eventInit.setCancelable(true);
eventInit.setRequest(request);
eventInit.setOrigin(origin->toString());
ForeignFetchEvent* fetchEvent = ForeignFetchEvent::create(
workerGlobalScope()->scriptController()->getScriptState(),
EventTypeNames::foreignfetch, eventInit, respondWithObserver,
waitUntilObserver);
waitUntilObserver->willDispatchEvent();
respondWithObserver->willDispatchEvent();
DispatchEventResult dispatchResult =
workerGlobalScope()->dispatchEvent(fetchEvent);
respondWithObserver->didDispatchEvent(dispatchResult);
// false is okay because waitUntil for foreign fetch event doesn't care
// about the promise rejection or an uncaught runtime script error.
waitUntilObserver->didDispatchEvent(false /* errorOccurred */);
}
void ServiceWorkerGlobalScopeProxy::dispatchFetchEvent(
int fetchEventID,
const WebServiceWorkerRequest& webRequest,
bool navigationPreloadSent) {
ScriptState::Scope scope(
workerGlobalScope()->scriptController()->getScriptState());
WaitUntilObserver* waitUntilObserver = WaitUntilObserver::create(
workerGlobalScope(), WaitUntilObserver::Fetch, fetchEventID);
RespondWithObserver* respondWithObserver = RespondWithObserver::create(
workerGlobalScope(), fetchEventID, webRequest.url(), webRequest.mode(),
webRequest.frameType(), webRequest.requestContext(), waitUntilObserver);
Request* request = Request::create(
workerGlobalScope()->scriptController()->getScriptState(), webRequest);
request->getHeaders()->setGuard(Headers::ImmutableGuard);
FetchEventInit eventInit;
eventInit.setCancelable(true);
eventInit.setRequest(request);
eventInit.setClientId(
webRequest.isMainResourceLoad() ? WebString() : webRequest.clientId());
eventInit.setIsReload(webRequest.isReload());
ScriptState* scriptState =
workerGlobalScope()->scriptController()->getScriptState();
FetchEvent* fetchEvent = FetchEvent::create(
scriptState, EventTypeNames::fetch, eventInit, respondWithObserver,
waitUntilObserver, navigationPreloadSent);
if (navigationPreloadSent) {
// Keep |fetchEvent| until onNavigationPreloadResponse() or
// onNavigationPreloadError() will be called.
m_pendingPreloadFetchEvents.add(fetchEventID, fetchEvent);
}
waitUntilObserver->willDispatchEvent();
respondWithObserver->willDispatchEvent();
DispatchEventResult dispatchResult =
workerGlobalScope()->dispatchEvent(fetchEvent);
respondWithObserver->didDispatchEvent(dispatchResult);
// false is okay because waitUntil for fetch event doesn't care about the
// promise rejection or an uncaught runtime script error.
waitUntilObserver->didDispatchEvent(false /* errorOccurred */);
}