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The Tor Browser
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FetchEventOpProxyChild.h (2788B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef mozilla_dom_fetcheventopproxychild_h__
      8 #define mozilla_dom_fetcheventopproxychild_h__
      9 
     10 #include "ServiceWorkerOp.h"
     11 #include "ServiceWorkerOpPromise.h"
     12 #include "mozilla/MozPromise.h"
     13 #include "mozilla/RefPtr.h"
     14 #include "mozilla/dom/InternalRequest.h"
     15 #include "mozilla/dom/PFetchEventOpProxyChild.h"
     16 #include "nsISupportsImpl.h"
     17 
     18 namespace mozilla::dom {
     19 
     20 class InternalRequest;
     21 class InternalResponse;
     22 class ParentToChildServiceWorkerFetchEventOpArgs;
     23 
     24 class FetchEventOpProxyChild final : public PFetchEventOpProxyChild {
     25  friend class PFetchEventOpProxyChild;
     26 
     27 public:
     28  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FetchEventOpProxyChild, override);
     29 
     30  FetchEventOpProxyChild() = default;
     31 
     32  void Initialize(const ParentToChildServiceWorkerFetchEventOpArgs& aArgs);
     33 
     34  // Must only be called once and on a worker thread.
     35  SafeRefPtr<InternalRequest> ExtractInternalRequest();
     36 
     37  RefPtr<FetchEventPreloadResponseAvailablePromise>
     38  GetPreloadResponseAvailablePromise();
     39 
     40  RefPtr<FetchEventPreloadResponseTimingPromise>
     41  GetPreloadResponseTimingPromise();
     42 
     43  RefPtr<FetchEventPreloadResponseEndPromise> GetPreloadResponseEndPromise();
     44 
     45 private:
     46  ~FetchEventOpProxyChild() = default;
     47 
     48  mozilla::ipc::IPCResult RecvPreloadResponse(
     49      ParentToChildInternalResponse&& aResponse);
     50 
     51  mozilla::ipc::IPCResult RecvPreloadResponseTiming(ResponseTiming&& aTiming);
     52 
     53  mozilla::ipc::IPCResult RecvPreloadResponseEnd(ResponseEndArgs&& aArgs);
     54 
     55  void ActorDestroy(ActorDestroyReason) override;
     56 
     57  MozPromiseRequestHolder<FetchEventRespondWithPromise>
     58      mRespondWithPromiseRequestHolder;
     59 
     60  RefPtr<FetchEventOp> mOp;
     61 
     62  // Initialized on RemoteWorkerService::Thread, read on a worker thread.
     63  SafeRefPtr<InternalRequest> mInternalRequest;
     64 
     65  RefPtr<FetchEventPreloadResponseAvailablePromise::Private>
     66      mPreloadResponseAvailablePromise;
     67  RefPtr<FetchEventPreloadResponseTimingPromise::Private>
     68      mPreloadResponseTimingPromise;
     69  RefPtr<FetchEventPreloadResponseEndPromise::Private>
     70      mPreloadResponseEndPromise;
     71 
     72  // MozPromise intentionally does not expose synchronous access to the
     73  // resolved/rejected state of a promise, so track whether or not we've
     74  // resolved these promises manually.
     75  bool mPreloadResponseAvailablePromiseResolved = false;
     76  bool mPreloadResponseEndPromiseResolved = false;
     77 
     78  Maybe<ServiceWorkerOpResult> mCachedOpResult;
     79 };
     80 
     81 }  // namespace mozilla::dom
     82 
     83 #endif  // mozilla_dom_fetcheventopproxychild_h__