mirror of
https://github.com/mozilla/gecko-dev.git
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98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_FetchDriver_h
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#define mozilla_dom_FetchDriver_h
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#include "nsAutoPtr.h"
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#include "nsIAsyncVerifyRedirectCallback.h"
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#include "nsIChannelEventSink.h"
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#include "nsIInterfaceRequestor.h"
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#include "nsIStreamListener.h"
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#include "nsRefPtr.h"
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#include "mozilla/DebugOnly.h"
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class nsIOutputStream;
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class nsILoadGroup;
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class nsIPrincipal;
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namespace mozilla {
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namespace dom {
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class BlobSet;
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class InternalRequest;
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class InternalResponse;
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class FetchDriverObserver
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{
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(FetchDriverObserver);
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virtual void OnResponseAvailable(InternalResponse* aResponse) = 0;
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virtual void OnResponseEnd() = 0;
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protected:
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virtual ~FetchDriverObserver()
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{ };
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};
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class FetchDriver MOZ_FINAL : public nsIStreamListener,
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public nsIChannelEventSink,
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public nsIInterfaceRequestor,
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public nsIAsyncVerifyRedirectCallback
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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NS_DECL_NSICHANNELEVENTSINK
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NS_DECL_NSIINTERFACEREQUESTOR
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NS_DECL_NSIASYNCVERIFYREDIRECTCALLBACK
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explicit FetchDriver(InternalRequest* aRequest, nsIPrincipal* aPrincipal,
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nsILoadGroup* aLoadGroup);
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NS_IMETHOD Fetch(FetchDriverObserver* aObserver);
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private:
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nsCOMPtr<nsIPrincipal> mPrincipal;
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nsCOMPtr<nsILoadGroup> mLoadGroup;
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nsRefPtr<InternalRequest> mRequest;
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nsRefPtr<InternalResponse> mResponse;
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nsCOMPtr<nsIOutputStream> mPipeOutputStream;
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nsRefPtr<FetchDriverObserver> mObserver;
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nsCOMPtr<nsIInterfaceRequestor> mNotificationCallbacks;
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nsCOMPtr<nsIAsyncVerifyRedirectCallback> mRedirectCallback;
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nsCOMPtr<nsIChannel> mOldRedirectChannel;
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nsCOMPtr<nsIChannel> mNewRedirectChannel;
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uint32_t mFetchRecursionCount;
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DebugOnly<bool> mResponseAvailableCalled;
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FetchDriver() = delete;
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FetchDriver(const FetchDriver&) = delete;
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FetchDriver& operator=(const FetchDriver&) = delete;
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~FetchDriver();
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nsresult Fetch(bool aCORSFlag);
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nsresult ContinueFetch(bool aCORSFlag);
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nsresult BasicFetch();
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nsresult HttpFetch(bool aCORSFlag = false, bool aCORSPreflightFlag = false, bool aAuthenticationFlag = false);
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nsresult ContinueHttpFetchAfterNetworkFetch();
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// Returns the filtered response sent to the observer.
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already_AddRefed<InternalResponse>
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BeginAndGetFilteredResponse(InternalResponse* aResponse);
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// Utility since not all cases need to do any post processing of the filtered
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// response.
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void BeginResponse(InternalResponse* aResponse);
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nsresult FailWithNetworkError();
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nsresult SucceedWithResponse();
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nsresult DoesNotRequirePreflight(nsIChannel* aChannel);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_FetchDriver_h
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