The Tor Browser: netwerk/base/src/nsSimpleStreamListener.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

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

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

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

     6 #include "nsSimpleStreamListener.h"

     8 //

     9 //----------------------------------------------------------------------------

    10 // nsISupports implementation...

    11 //----------------------------------------------------------------------------

    12 //

    13 NS_IMPL_ISUPPORTS(nsSimpleStreamListener,

    14                   nsISimpleStreamListener,

    15                   nsIStreamListener,

    16                   nsIRequestObserver)

    18 //

    19 //----------------------------------------------------------------------------

    20 // nsIRequestObserver implementation...

    21 //----------------------------------------------------------------------------

    22 //

    23 NS_IMETHODIMP

    24 nsSimpleStreamListener::OnStartRequest(nsIRequest *aRequest,

    25                                        nsISupports *aContext)

    26 {

    27     return mObserver ?

    28         mObserver->OnStartRequest(aRequest, aContext) : NS_OK;

    29 }

    31 NS_IMETHODIMP

    32 nsSimpleStreamListener::OnStopRequest(nsIRequest* request,

    33                                       nsISupports *aContext,

    34                                       nsresult aStatus)

    35 {

    36     return mObserver ?

    37         mObserver->OnStopRequest(request, aContext, aStatus) : NS_OK;

    38 }

    40 //

    41 //----------------------------------------------------------------------------

    42 // nsIStreamListener implementation...

    43 //----------------------------------------------------------------------------

    44 //

    45 NS_IMETHODIMP

    46 nsSimpleStreamListener::OnDataAvailable(nsIRequest* request,

    47                                         nsISupports *aContext,

    48                                         nsIInputStream *aSource,

    49                                         uint64_t aOffset,

    50                                         uint32_t aCount)

    51 {

    52     uint32_t writeCount;

    53     nsresult rv = mSink->WriteFrom(aSource, aCount, &writeCount);

    54     //

    55     // Equate zero bytes read and NS_SUCCEEDED to stopping the read.

    56     //

    57     if (NS_SUCCEEDED(rv) && (writeCount == 0))

    58         return NS_BASE_STREAM_CLOSED;

    59     return rv;

    60 }

    62 //

    63 //----------------------------------------------------------------------------

    64 // nsISimpleStreamListener implementation...

    65 //----------------------------------------------------------------------------

    66 //

    67 NS_IMETHODIMP

    68 nsSimpleStreamListener::Init(nsIOutputStream *aSink,

    69                              nsIRequestObserver *aObserver)

    70 {

    71     NS_PRECONDITION(aSink, "null output stream");

    73     mSink = aSink;

    74     mObserver = aObserver;

    76     return NS_OK;

    77 }

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