netwerk/base/src/nsAsyncStreamCopier.h

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/base/src/nsAsyncStreamCopier.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,81 @@
     1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.7 +
     1.8 +#ifndef nsAsyncStreamCopier_h__
     1.9 +#define nsAsyncStreamCopier_h__
    1.10 +
    1.11 +#include "nsIAsyncStreamCopier.h"
    1.12 +#include "nsIAsyncStreamCopier2.h"
    1.13 +#include "mozilla/Mutex.h"
    1.14 +#include "nsStreamUtils.h"
    1.15 +#include "nsCOMPtr.h"
    1.16 +
    1.17 +class nsIRequestObserver;
    1.18 +
    1.19 +//-----------------------------------------------------------------------------
    1.20 +
    1.21 +class nsAsyncStreamCopier : public nsIAsyncStreamCopier, nsIAsyncStreamCopier2
    1.22 +{
    1.23 +public:
    1.24 +    NS_DECL_THREADSAFE_ISUPPORTS
    1.25 +    NS_DECL_NSIREQUEST
    1.26 +    NS_DECL_NSIASYNCSTREAMCOPIER
    1.27 +
    1.28 +    // nsIAsyncStreamCopier2
    1.29 +    // We declare it by hand instead of NS_DECL_NSIASYNCSTREAMCOPIER2
    1.30 +    // as nsIAsyncStreamCopier2 duplicates methods of nsIAsyncStreamCopier
    1.31 +    NS_IMETHOD Init(nsIInputStream *aSource,
    1.32 +                    nsIOutputStream *aSink,
    1.33 +                    nsIEventTarget *aTarget,
    1.34 +                    uint32_t aChunkSize,
    1.35 +                    bool aCloseSource,
    1.36 +                    bool aCloseSink);
    1.37 +
    1.38 +    nsAsyncStreamCopier();
    1.39 +    virtual ~nsAsyncStreamCopier();
    1.40 +
    1.41 +    //-------------------------------------------------------------------------
    1.42 +    // these methods may be called on any thread
    1.43 +
    1.44 +    bool IsComplete(nsresult *status = nullptr);
    1.45 +    void   Complete(nsresult status);
    1.46 +
    1.47 +private:
    1.48 +    nsresult InitInternal(nsIInputStream *source,
    1.49 +                          nsIOutputStream *sink,
    1.50 +                          nsIEventTarget *target,
    1.51 +                          uint32_t chunkSize,
    1.52 +                          bool closeSource,
    1.53 +                          bool closeSink);
    1.54 +
    1.55 +    static void OnAsyncCopyComplete(void *, nsresult);
    1.56 +
    1.57 +    void AsyncCopyInternal();
    1.58 +    nsresult ApplyBufferingPolicy();
    1.59 +    nsIRequest* AsRequest();
    1.60 +
    1.61 +    nsCOMPtr<nsIInputStream>       mSource;
    1.62 +    nsCOMPtr<nsIOutputStream>      mSink;
    1.63 +
    1.64 +    nsCOMPtr<nsIRequestObserver>   mObserver;
    1.65 +
    1.66 +    nsCOMPtr<nsIEventTarget>       mTarget;
    1.67 +
    1.68 +    nsCOMPtr<nsISupports>          mCopierCtx;
    1.69 +
    1.70 +    mozilla::Mutex                 mLock;
    1.71 +
    1.72 +    nsAsyncCopyMode                mMode;
    1.73 +    uint32_t                       mChunkSize;
    1.74 +    nsresult                       mStatus;
    1.75 +    bool                           mIsPending;
    1.76 +    bool                           mCloseSource;
    1.77 +    bool                           mCloseSink;
    1.78 +    bool                           mShouldSniffBuffering;
    1.79 +
    1.80 +    friend class ProceedWithAsyncCopy;
    1.81 +    friend class AsyncApplyBufferingPolicyEvent;
    1.82 +};
    1.83 +
    1.84 +#endif // !nsAsyncStreamCopier_h__

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