FetchEventOpProxyChild.h

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_fetcheventopproxychild_h_

#define mozilla_dom_fetcheventopproxychild_h_

#include "ServiceWorkerOp.h"

#include "ServiceWorkerOpPromise.h"

#include "mozilla/MozPromise.h"

#include "mozilla/RefPtr.h"

#include "mozilla/dom/InternalRequest.h"

#include "mozilla/dom/PFetchEventOpProxyChild.h"

#include "nsISupportsImpl.h"

namespace mozilla::dom {

class InternalRequest;

class InternalResponse;

class ParentToChildServiceWorkerFetchEventOpArgs;

class FetchEventOpProxyChild final : public PFetchEventOpProxyChild {

  friend class PFetchEventOpProxyChild;

 public:

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FetchEventOpProxyChild, override);

  FetchEventOpProxyChild() = default;

  void Initialize(const ParentToChildServiceWorkerFetchEventOpArgs& aArgs);

  // Must only be called once and on a worker thread.

  SafeRefPtr<InternalRequest> ExtractInternalRequest();

  RefPtr<FetchEventPreloadResponseAvailablePromise>

  GetPreloadResponseAvailablePromise();

  RefPtr<FetchEventPreloadResponseTimingPromise>

  GetPreloadResponseTimingPromise();

  RefPtr<FetchEventPreloadResponseEndPromise> GetPreloadResponseEndPromise();

 private:

  ~FetchEventOpProxyChild() = default;

  mozilla::ipc::IPCResult RecvPreloadResponse(

      ParentToChildInternalResponse&& aResponse);

  mozilla::ipc::IPCResult RecvPreloadResponseTiming(ResponseTiming&& aTiming);

  mozilla::ipc::IPCResult RecvPreloadResponseEnd(ResponseEndArgs&& aArgs);

  void ActorDestroy(ActorDestroyReason) override;

  MozPromiseRequestHolder<FetchEventRespondWithPromise>

      mRespondWithPromiseRequestHolder;

  RefPtr<FetchEventOp> mOp;

  // Initialized on RemoteWorkerService::Thread, read on a worker thread.

  SafeRefPtr<InternalRequest> mInternalRequest;

  RefPtr<FetchEventPreloadResponseAvailablePromise::Private>

      mPreloadResponseAvailablePromise;

  RefPtr<FetchEventPreloadResponseTimingPromise::Private>

      mPreloadResponseTimingPromise;

  RefPtr<FetchEventPreloadResponseEndPromise::Private>

      mPreloadResponseEndPromise;

  // MozPromise intentionally does not expose synchronous access to the

  // resolved/rejected state of a promise, so track whether or not we've

  // resolved these promises manually.

  bool mPreloadResponseAvailablePromiseResolved = false;

  bool mPreloadResponseEndPromiseResolved = false;

  Maybe<ServiceWorkerOpResult> mCachedOpResult;

};

}  // namespace mozilla::dom

#endif  // mozilla_dom_fetcheventopproxychild_h_