diff options
Diffstat (limited to 'netwerk/base/nsSimpleStreamListener.cpp')
-rw-r--r-- | netwerk/base/nsSimpleStreamListener.cpp | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/netwerk/base/nsSimpleStreamListener.cpp b/netwerk/base/nsSimpleStreamListener.cpp new file mode 100644 index 000000000..da00de281 --- /dev/null +++ b/netwerk/base/nsSimpleStreamListener.cpp @@ -0,0 +1,83 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* 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/. */ + +#include "nsSimpleStreamListener.h" + +namespace mozilla { +namespace net { + +// +//---------------------------------------------------------------------------- +// nsISupports implementation... +//---------------------------------------------------------------------------- +// +NS_IMPL_ISUPPORTS(nsSimpleStreamListener, + nsISimpleStreamListener, + nsIStreamListener, + nsIRequestObserver) + +// +//---------------------------------------------------------------------------- +// nsIRequestObserver implementation... +//---------------------------------------------------------------------------- +// +NS_IMETHODIMP +nsSimpleStreamListener::OnStartRequest(nsIRequest *aRequest, + nsISupports *aContext) +{ + return mObserver ? + mObserver->OnStartRequest(aRequest, aContext) : NS_OK; +} + +NS_IMETHODIMP +nsSimpleStreamListener::OnStopRequest(nsIRequest* request, + nsISupports *aContext, + nsresult aStatus) +{ + return mObserver ? + mObserver->OnStopRequest(request, aContext, aStatus) : NS_OK; +} + +// +//---------------------------------------------------------------------------- +// nsIStreamListener implementation... +//---------------------------------------------------------------------------- +// +NS_IMETHODIMP +nsSimpleStreamListener::OnDataAvailable(nsIRequest* request, + nsISupports *aContext, + nsIInputStream *aSource, + uint64_t aOffset, + uint32_t aCount) +{ + uint32_t writeCount; + nsresult rv = mSink->WriteFrom(aSource, aCount, &writeCount); + // + // Equate zero bytes read and NS_SUCCEEDED to stopping the read. + // + if (NS_SUCCEEDED(rv) && (writeCount == 0)) + return NS_BASE_STREAM_CLOSED; + return rv; +} + +// +//---------------------------------------------------------------------------- +// nsISimpleStreamListener implementation... +//---------------------------------------------------------------------------- +// +NS_IMETHODIMP +nsSimpleStreamListener::Init(nsIOutputStream *aSink, + nsIRequestObserver *aObserver) +{ + NS_PRECONDITION(aSink, "null output stream"); + + mSink = aSink; + mObserver = aObserver; + + return NS_OK; +} + +} // namespace net +} // namespace mozilla |